RMS-based accounting and tracing method and apparatus for proportion of recycled material, and storage medium

Abstract

Provided in the present application are an RMS-based accounting and tracing method and apparatus for the proportion of a recycled material, and a storage medium. The method comprises: collecting production material data within a preset system boundary range on a production line, wherein the production material data comprises the proportion of externally purchased salt in an element i of salt used in the production of a raw material of a self-produced positive electrode material, the proportion of a recycled material in the element i of the externally purchased salt, the proportion of self-produced salt in the element i of the salt used in the production of the raw material of the self-produced positive electrode material, and the proportion of a recycled material in the element i of the self-produced salt, and the salt used in the production of the raw material of the self-produced positive electrode material comprises the self-produced salt and the externally purchased salt; and on the basis of the production material data and a preset accounting formula for the proportion of a recycled material in the element i of the raw material of the self-produced positive electrode material, obtaining the proportion of the recycled material in the element i of the raw material of the self-produced positive electrode material. By using the present application, the proportion of a recycled material can be precisely accounted.

Description

Recycled material proportion calculation and traceability method, device and storage medium based on RMS

[0001] This application claims priority. The application number of the prior application is PCT / CN2023 / 134168, and the prior application date is November 24, 2023. The entire contents of the prior application are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of new energy material technology, and in particular to a recycled material ratio accounting and traceability method, device, equipment and storage medium based on RMS. Background Art

[0003] With the rapid development of the global new energy economy and the rise of the electric vehicle industry, demand for batteries has increased significantly. Batteries and their cathode materials contain a high concentration of metal elements, such as cobalt, lithium, and nickel. However, if batteries and their cathode materials are produced entirely from virgin minerals, there is a risk of resource depletion and environmental sustainability challenges. To address these issues, many countries and regions have enacted regulations requiring the use of a certain percentage of waste or recycled materials in the production of batteries and their cathode materials, and have outlined a timetable for gradual implementation. These policies aim to reduce the mining of virgin minerals and promote the efficient recovery and recycling of waste resources.

[0004] Because the production process of batteries and their positive electrode materials is complex and involves multiple sources of raw materials, there is currently a lack of a method that can scientifically and systematically calculate the proportion of recycled materials in batteries, positive electrode materials, and production raw materials. At the same time, technical research on the traceability of recycled materials throughout the entire supply chain is also incomplete, which has brought many difficulties to regulatory authorities and industry practices. Furthermore, it is currently impossible to know the proportion of recycled materials in batteries, positive electrode materials, and production raw materials. Therefore, how to establish a method that can more scientifically and systematically calculate the proportion of recycled materials in batteries, positive electrode materials, and production raw materials and trace the source of recycled materials has become a problem that needs to be solved urgently in the current technical field. Summary of the Invention

[0005] The purpose of this application is to address the deficiencies of the above-mentioned existing technologies and propose a recycled material proportion accounting and traceability method, device, equipment and storage medium based on RMS, which can perform a relatively scientific and systematic proportion accounting and traceability of recycled materials for batteries, positive electrode materials and production raw materials.

[0006] In the first aspect, the present application provides a method for calculating the proportion of recycled materials based on RMS, including:

[0007] During a preset collection period, production material data within a preset system boundary range on the production line is collected; wherein the production material data includes: the proportion of purchased salt in element i of all salts used in the production of self-produced positive electrode material raw materials, the proportion of recycled materials in element i of the purchased salts, the proportion of self-produced salt in element i of all salts used in the production of self-produced positive electrode material raw materials, and the proportion of recycled materials in element i of the self-produced salts; the total salt used in the production of self-produced positive electrode material raw materials consists of self-produced salt and purchased salt;

[0008] According to the production material data and the preset calculation formula for the proportion of recycled materials of element i in the self-produced positive electrode material raw materials, the proportion of recycled materials in element i of the self-produced positive electrode material raw materials is obtained;

[0009] Among them, the self-produced positive electrode material raw material is a compound containing element i; the element i is any one of nickel, cobalt, manganese, aluminum, iron, phosphorus or lithium.

[0010] This application collects production material data during the process of producing self-produced positive electrode material raw materials, and obtains the proportion of recycled materials of element i in the self-produced positive electrode material raw materials based on the production material data and the calculation formula of the proportion of recycled materials of element i in the self-produced positive electrode material raw materials, thereby achieving a more accurate calculation of the proportion of recycled materials of element i in the self-produced positive electrode material raw materials, and then the proportion of recycled materials of element i in the self-produced positive electrode material raw materials can be known.

[0011] In combination with the first aspect, in a possible implementation, when the raw materials of the self-produced salt are all recycled materials or recycled raw materials, the proportion of recycled materials in the i element of the self-produced salt is 100%, and the calculation formula for the proportion of recycled materials of the i element of the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +(1-y i );

[0012] Where y i The proportion of purchased salt in the total salt element i used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi R is the proportion of recycled materials in the i element of the purchased salt, in %; Pi It is the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials, in %.

[0013] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of the i element of the purchased salt used in the production of the self-produced positive electrode material raw material and the mass of the i element of the self-produced salt used in the production of the self-produced positive electrode material raw material;

[0014] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0015] Where m MSRi The mass of element i in the purchased salt used in the production of self-produced positive electrode material raw materials, in kg; m MRi is the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials, in kg; i It is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %.

[0016] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of element i of the purchased salt used in the production of self-produced positive electrode material raw materials, the recovery rate of element i from all salt to self-produced positive electrode material raw materials, the mass of element i of the black powder used in the production of self-produced salt, the recovery rate of element i from black powder to self-produced salt, and the mass of element i in the self-produced positive electrode material raw materials obtained from the production:

[0017] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0018] Where m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the element i from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced cathode material raw materials, in kg;

[0019] And, the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0020] Where m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

[0021] In combination with the first aspect, in a possible implementation, the formula for calculating the proportion of i element recycled materials in the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +R MBi *(1-y i ),

[0022] Among them, yi is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi R is the proportion of recycled materials in the i element of the purchased salt, in %; MBi R is the proportion of recycled materials in the i element of the self-produced salt, in %; Pi It is the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials, in %.

[0023] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of the i element of the purchased salt used in the production of the self-produced positive electrode material raw material and the mass of the i element of the self-produced salt used in the production of the self-produced positive electrode material raw material;

[0024] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0025] Where m MSRi is the mass of element i of the purchased salt used in the production of positive electrode material raw materials, in kg; m MRi is the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials, in kg; i It is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %.

[0026] In combination with the first aspect, in a possible implementation, the production material data further includes: the mass of element i of the purchased salt used in the production of self-produced positive electrode material raw materials, the recovery rate of element i from all salts to self-produced positive electrode material raw materials, the mass of element i of the black powder used in the production of self-produced salt, the mass of element i in the purchased materials used in the production of self-produced salt, the recovery rate of element i from black powder to self-produced salt, and the mass of element i in the self-produced positive electrode material raw materials obtained from the production;

[0027] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0028] Where m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the element i from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced cathode material raw materials, in kg;

[0029] The proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0030] Where m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

[0031] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of element i in the black powder used in producing the self-produced salt, the mass of element i in the purchased materials used in producing the self-produced salt, and the proportion of recycled materials in element i in the purchased materials;

[0032] The proportion of recycled materials in the i element of the self-produced salt can be expressed as:

[0033] Where m Bi is the mass of element i in the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; R MSCi is the proportion of recycled materials in the i element of the purchased materials, in %; R MBi is the proportion of recycled materials in the i element of the self-produced salt, in %.

[0034] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of element i in the black powder used in producing the self-produced salt, the mass of element i in the purchased materials used in producing the self-produced salt, and the proportion of recycled materials in element i in the purchased materials;

[0035] The proportion of recycled materials in the i element of the self-produced salt can be expressed as:

[0036] Where m Bi is the mass of element i in the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; R MSCi is the proportion of recycled materials in the i element of the purchased materials, in %; R MBi is the proportion of recycled materials in the i element of the self-produced salt, in %.

[0037] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the proportion of purchased positive electrode material raw materials in element i of all positive electrode material raw materials used in the production of self-produced positive electrode materials, the proportion of recycled materials in element i of the purchased positive electrode material raw materials, and the proportion of self-produced positive electrode material raw materials in element i of all positive electrode material raw materials used in the production of self-produced positive electrode materials;

[0038] Obtaining the proportion of recycled material in element i of the self-produced positive electrode material according to the production material data, the proportion of recycled material in element i of the self-produced positive electrode material raw material, and a preset calculation formula for the proportion of recycled material in element i of the self-produced positive electrode material;

[0039] Among them, all positive electrode material raw materials used in the production of self-produced positive electrode materials include self-produced positive electrode material raw materials and purchased positive electrode material raw materials.

[0040] In combination with the first aspect, in a possible implementation, the formula for calculating the proportion of i element recycled materials in the self-produced positive electrode material is: R Ci =R Pi *(1-x i )+R Wi *x i ;

[0041] Where x i The proportion of the purchased positive electrode material raw materials in the element i of all the positive electrode material raw materials used in the production of the self-produced positive electrode material, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wi R is the proportion of recycled materials in the i element of the purchased positive electrode material raw materials, in %; Pi R is the percentage of recycled materials in the i element of the self-produced positive electrode material raw materials, in %; Ci is the proportion of i element recycled materials in the self-produced positive electrode material.

[0042] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of the i element of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material and the mass of the i element of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material;

[0043] The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as:

[0044] Where m PSi is the mass of element i of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; mPi is the mass of element i of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; x i It is the proportion of purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, and the unit is %.

[0045] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of element i of the purchased positive electrode material raw materials used in the production of the self-produced positive electrode material, the recovery rate of element i from all self-produced positive electrode material raw materials to the self-produced positive electrode material, and the mass of element i of the self-produced positive electrode material obtained in the production;

[0046] The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as:

[0047] Where m PSi is the mass of element i of the purchased positive electrode material used in the production of the self-produced positive electrode material, in kg; v 3i is the recovery rate of the element i from the self-produced positive electrode material raw material to the self-produced positive electrode material, in %; m ECi It is the mass of element i of the self-produced positive electrode material produced, in kg.

[0048] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the proportion of purchased positive electrode materials in the element i of all positive electrode materials used in battery production, the proportion of recycled materials in the element i of the purchased positive electrode materials, and the proportion of self-produced positive electrode materials in the element i of all positive electrode materials used in battery production;

[0049] Obtain the proportion of recycled materials in element i of the battery based on the production material data, the proportion of recycled materials in element i of the self-produced positive electrode material, and a preset formula for calculating the proportion of recycled materials in element i of the battery;

[0050] Among them, all the positive electrode materials used in the production of the battery include self-produced positive electrode materials and purchased positive electrode materials.

[0051] In conjunction with the first aspect, in one possible implementation, the formula for calculating the proportion of recycled materials of element i in the battery can be expressed as:

[0052] R i =R Ci *(1-z i )+R CSi *z i ;

[0053] Where z iis the proportion of the purchased positive electrode material in the i element of all the positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSi R is the proportion of recycled materials in the i element of the purchased positive electrode material, in %; Ci R is the proportion of recycled materials in the i element of the self-produced positive electrode material, in %; i is the proportion of recycled materials in the i element of the battery.

[0054] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the quality of the i element of the purchased positive electrode material used in the production of the battery and the quality of the i element of the self-produced positive electrode material used in the production of the battery;

[0055] The proportion of the i element of all the positive electrode materials used in the production of the battery can be expressed as:

[0056] Where m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; m Ci is the mass of element i of the self-produced positive electrode material used in the production of the battery, in kg; z i It is the proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery, in %.

[0057] In conjunction with the first aspect, in one possible implementation, the production material data further includes: the mass of element i of the purchased positive electrode material used in battery production, the recovery rate of element i from all positive electrode materials to batteries, and the mass of element i of the produced batteries;

[0058] The proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery can be expressed as:

[0059] Where m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; v 4i is the recovery rate of the element i from all positive electrode materials to the battery, in %; m Ei is the mass of element i of the produced battery, in kg.

[0060] In conjunction with the first aspect, in a possible implementation, the production material data further includes: the proportion of recycled raw material j in element i of purchased positive electrode material raw materials and the proportion of recycled raw material j in element i of self-produced positive electrode material raw materials; j is waste battery or waste process material;

[0061] According to the production material data and the preset calculation formula for the proportion of recycled raw material j in element i of the self-produced positive electrode material, the proportion of recycled raw material j in element i of the self-produced positive electrode material is obtained.

[0062] The calculation formula for the proportion of recycled raw material j in the element i of the self-produced positive electrode material is: R Cij =R Pij *(1-x i )+R Wij *x i ;

[0063] Where x i The proportion of the purchased positive electrode material raw materials in the element i of all the positive electrode material raw materials used in the production of the self-produced positive electrode material, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wij R is the proportion of recycled raw material j in the element i of the purchased positive electrode material, in %; Pij R is the proportion of recycled raw material j in element i of the self-produced positive electrode material raw material, in %; Cij is the proportion of recycled raw material j in element i of the self-produced positive electrode material.

[0064] In conjunction with the first aspect, in a possible implementation, the production material data further includes: the proportion of recycled raw material j in element i of purchased positive electrode materials and the proportion of recycled raw material j in element i of self-produced positive electrode materials; j is waste batteries or waste process materials;

[0065] The calculation formula for the proportion of recycled raw materials j in the i element of the battery can be expressed as: R ij =R Cij *(1-z i )+R CSij *z i ;

[0066] Where z i is the proportion of the purchased positive electrode material in the element i of all the positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSij R is the proportion of recycled raw material j in the element i of the purchased positive electrode material, in %; Cij R is the proportion of recycled raw material j in element i of the self-produced positive electrode material, in %; ij is the proportion of recycled raw material j in element i of the battery.

[0067] In the second aspect, the present application provides a recycled material traceability method based on RMS, comprising:

[0068] Based on the RMS-based recycled material ratio calculation method as described in the first aspect or a possible implementation of the first aspect, the recycled material is traced according to the BTB;

[0069] The traceability of recycled materials according to BTB includes:

[0070] The recycled materials are coded and traced according to the operations before the leaching process of the production process, the recycled materials are traced by time period according to the leaching process, and the recycled materials are traced by batches according to the operations after the leaching process.

[0071] This application adopts a recycled material traceability method based on RMS, and adopts the BTB traceability method based on code (Barcode) traceability, time period (Time) traceability and batch (Batche) traceability, and adopts different traceability means to trace the different production processes of batteries, positive electrode materials and their production raw materials in different ways to adapt to different production characteristics. It can trace the source of recycled materials in a relatively scientific and systematic way, improve the traceability accuracy, reduce complex manual operations, and unify the management of the traceability process, improve the accuracy of recycled material data, and improve the traceability efficiency.

[0072] In conjunction with the second aspect, in one possible implementation, the method includes:

[0073] The coding traceability refers to the establishment of a code for each piece of waste battery, waste process material, black powder or purchased material, and the code includes the element composition information, element weight information and recycled material ratio information; the code is entered into the system;

[0074] The time period traceability refers to marking both self-produced salt and purchased salt according to the time period and generating a corresponding time period code, which contains the element composition information, element weight information and recycled material ratio information of the time period; and entering the time period code into the system;

[0075] The batch traceability refers to establishing a batch code for each batch of self-produced positive electrode material raw materials, purchased positive electrode material raw materials, self-produced positive electrode materials, purchased positive electrode materials or batteries; the batch code contains element composition information, element weight information and recycled material ratio information; the batch code is entered into the system.

[0076] In conjunction with the second aspect, in one possible implementation, the method includes:

[0077] Establish a purchased commodity traceability code for the purchased commodity, the purchased commodity traceability code including the purchased commodity information code and the raw material information used in the production of the purchased commodity, and enter the purchased commodity traceability code into the system;

[0078] The purchased goods are the purchased materials, the purchased salts, the purchased cathode material raw materials or the purchased cathode materials;

[0079] The purchased commodity information code is the purchased material code, the purchased salt time period code, the purchased positive electrode material raw material batch code or the purchased positive electrode material batch code;

[0080] The raw material information used in the production of the purchased goods includes the traceability code of each raw material used in the production of the purchased goods and the usage information of the corresponding raw material;

[0081] The purchased product traceability code is the purchased material traceability code, the purchased salt traceability code, the purchased positive electrode material raw material traceability code or the purchased positive electrode material traceability code.

[0082] In conjunction with the second aspect, in one possible implementation, the method includes:

[0083] On the production line, after the self-produced product is produced through the corresponding processing steps, a self-produced product traceability code is created for the self-produced product based on the processing process. The self-produced product traceability code includes the self-produced product information code and the raw material information used in the production of the self-produced product. The self-produced product traceability code is entered into the system;

[0084] The self-produced product is the black powder, the self-produced salt, the self-produced positive electrode material raw material, the self-produced positive electrode material or the battery;

[0085] The self-produced product information code is the waste battery code, the waste process material code, the black powder code, the purchased material code, the self-produced salt time period code, the purchased salt time period code, the self-produced positive electrode material raw material batch code, the purchased positive electrode material raw material batch code, the self-produced positive electrode material batch code, the purchased positive electrode material batch code or the battery batch code;

[0086] The raw material information used in producing the self-produced product includes the traceability code of each raw material used in producing the self-produced product and the usage amount information of the corresponding raw material.

[0087] In conjunction with the second aspect, in one possible implementation, the method includes:

[0088] Determine the self-produced products for which the recycled material ratio or recycled material traceability needs to be calculated;

[0089] Obtain the traceability code of the self-produced product;

[0090] According to the traceability code of the self-produced product, information on the proportion of recycled materials in the self-produced product or information on the source of the recycled materials is obtained.

[0091] In a third aspect, the present application provides a recycled material ratio calculation device based on RMS, comprising: a data acquisition unit and a recycled material ratio calculation unit; wherein,

[0092] The data collection unit is used to collect production material data used in the RMS-based recycled material proportion calculation method as described in the first aspect or a possible implementation of the first aspect within a preset collection period; the recycled material proportion calculation unit calculates the recycled material proportion based on the production material data collected by the data collection unit and the calculation formula in the RMS-based recycled material proportion calculation method as described in the first aspect or a possible implementation of the first aspect.

[0093] In a fourth aspect, the present application provides a recycled material traceability device based on RMS, comprising: a traceability unit;

[0094] The traceability unit is used to trace the recycled material based on the RMS-based recycled material traceability method as described in the second aspect or a possible implementation of the second aspect.

[0095] In a fifth aspect, the present application provides an electronic device, one or more processors; and a memory on which one or more programs are stored. When the one or more programs are executed by the one or more processors, the one or more processors implement the steps of the RMS-based recycled material proportion calculation method as described in the first aspect or the possible implementation method of the first aspect, or implement the steps of the RMS-based recycled material traceability method as described in the second aspect or the possible implementation method of the second aspect.

[0096] By integrating the RMS-based recycled material proportion calculation method described in the first aspect and its possible implementation methods or the RMS-based recycled material traceability method described in the second aspect and its possible implementation methods on electronic devices, the present application can quickly trace the recycled material proportion on-site and provide feedback on the on-site recycled material proportion calculation and traceability through various electronic devices, which is more scalable.

[0097] In a sixth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, it implements the steps of the RMS-based recycled material proportion calculation method as described in the first aspect or a possible implementation of the first aspect, or implements the steps of the RMS-based recycled material traceability method as described in the second aspect or a possible implementation of the second aspect.

[0098] This application stores the RMS-based recycled material proportion calculation method described in the first aspect and its possible implementation methods or the RMS-based recycled material traceability method described in the second aspect and its possible implementation methods in the form of programs in a storage medium. By running or reading the executable program in the storage medium, the recycled material proportion can be quickly calculated and on-site traced. It is applicable to more operating systems and different application platforms and has stronger scalability. BRIEF DESCRIPTION OF THE DRAWINGS

[0099] FIG1 is a flow chart of a method for calculating the proportion of recycled materials based on RMS provided in an embodiment of the present application;

[0100] FIG2 is a process flow chart of a recycled material ratio calculation and traceability method based on RMS provided in an embodiment of the present application;

[0101] FIG3 is a battery generation diagram of a method for calculating the proportion of recycled materials based on RMS provided in an embodiment of the present application;

[0102] FIG4 is a schematic structural diagram of a recycled material ratio calculation device based on RMS provided in an embodiment of the present application;

[0103] FIG5 is a schematic diagram of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0104] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the embodiments of this application.

[0105] It is worth noting that due to the complexity of the production process of batteries and their positive electrode materials and the involvement of multiple sources of raw materials, there is currently a lack of a method that can scientifically and systematically calculate the proportion of recycled materials in batteries, positive electrode materials and production raw materials, and it is also impossible to trace the recycled materials in batteries, positive electrode materials and production raw materials. Based on this, the present application provides a method, device, equipment and storage medium for calculating and tracing the proportion of recycled materials based on RMS, which can scientifically and systematically calculate and trace the proportion of recycled materials in batteries, positive electrode materials and production raw materials. In order to better illustrate the solution of the present application, it will be specifically described from the following examples.

[0106] Some technical terms are explained as follows. Unexplained technical terms shall be based on the common understanding of those skilled in the art:

[0107] This application provides a set of standards for calculating the proportion and traceability of recycled materials, including a variety of methods for calculating the proportion and traceability of recycled materials for batteries, positive electrode materials and production raw materials. For the sake of convenience, the set of standards for calculating the proportion and traceability of recycled materials provided by this application is referred to as: Recycled Material Standard, i.e.: RMS (Recycled Material Standard).

[0108] Recycled raw materials are renewable raw materials that can be processed to regain their usable value. Recycled raw materials include discarded batteries and other waste. Recycled materials are materials that have been processed to regain their usable value. Black powder is a black powder obtained by crushing recycled raw materials.

[0109] Self-produced salt refers to salt produced by the company itself, and purchased salt refers to salt purchased from an external supplier. Self-produced salt and purchased salt are the same substance and may be nickel sulfate, cobalt sulfate, manganese sulfate, lithium sulfate, aluminum nitrate, ammonium dihydrogen phosphate, ferrous sulfate, or other similar substances. Self-produced positive electrode material raw materials refer to positive electrode material raw materials produced by the company itself, and purchased positive electrode material raw materials refer to positive electrode material raw materials purchased from an external supplier. Self-produced positive electrode material raw materials and purchased positive electrode material raw materials are the same substance and may be precursors or lithium salts for producing positive electrode materials. Precursors may be nickel-cobalt-manganese hydroxide, nickel-cobalt-aluminum hydroxide, ferric phosphate, manganese-iron mixed metal salts, manganese carbonate, cobalt oxide, or other similar substances. Lithium salts may be lithium carbonate, lithium hydroxide, or other similar substances. Self-produced positive electrode materials refer to positive electrode materials produced by oneself, and purchased positive electrode materials refer to positive electrode materials purchased from external suppliers. Self-produced positive electrode materials and purchased positive electrode materials are the same substances, which can be lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium iron phosphate, lithium manganese iron phosphate, lithium manganese oxide, lithium cobalt oxide, lithium-rich manganese oxide or other similar substances.

[0110] Example 1

[0111] 1 is a flow chart of a method for calculating the proportion of recycled materials based on RMS provided in an embodiment of the present application, comprising steps S11 to S12, specifically:

[0112] Step S11: within a preset collection period, collect production material data within a preset system boundary range on the production line; wherein, the production material data includes: the proportion of purchased salt in the i-element of all salts used in the production of self-produced positive electrode material raw materials, the proportion of recycled materials in the i-element of the purchased salts, the proportion of self-produced salt in the i-element of all salts used in the production of self-produced positive electrode material raw materials, and the proportion of recycled materials in the i-element of the self-produced salts; all salts used in the production of self-produced positive electrode material raw materials are composed of self-produced salts and purchased salts. wherein, the self-produced positive electrode material raw materials are compounds containing the i-element; the i-element is any one of nickel, cobalt, manganese, aluminum, iron, phosphorus or lithium.

[0113] Step S12: Obtain the proportion of recycled materials in the element i of the self-produced positive electrode material raw materials based on the production material data and a preset formula for calculating the proportion of recycled materials in the element i of the self-produced positive electrode material raw materials.

[0114] It's worth noting that depending on the size of the factory, companies will configure production lines of varying lengths. These lines can be all or part of a production line for batteries, cathode materials, precursors, lithium salts, self-produced salt, or black powder. Based on the recycled material ratio calculation requirements for different products, production material data for the corresponding production lines is collected.

[0115] In some embodiments of the present application, in the production line from black powder to salt solution, a certain amount of purchased materials is generally added as needed during the process of generating salt solution from black powder. That is, black powder and purchased materials are used in the production of salt solution. Black powder generally refers to a black powder obtained by crushing recycled raw materials, i.e., recycled materials account for 100% of the black powder.

[0116] In some embodiments of the present application, on the production line from salt to positive electrode material raw materials, generally, as needed, a certain amount of purchased salt is added to the self-produced salt, and the ingredients are mixed to generate self-produced positive electrode material raw materials. That is, self-produced salt and purchased salt are used when generating self-produced positive electrode material raw materials. Among them, self-produced salt refers to salt produced by oneself, and purchased salt refers to salt purchased from an external supplier. Self-produced salt and purchased salt are the same substance, which can be nickel sulfate, cobalt sulfate, manganese sulfate, lithium sulfate, aluminum nitrate, ammonium dihydrogen phosphate, ferrous sulfate or other similar substances. Self-produced positive electrode material raw materials refer to positive electrode material raw materials produced by oneself, and purchased positive electrode material raw materials refer to positive electrode material raw materials purchased from an external supplier. Self-produced positive electrode material raw materials and purchased positive electrode material raw materials are the same substance, which can be precursors or lithium salts for producing positive electrode materials. The precursors can be nickel cobalt manganese hydroxide, nickel cobalt aluminum hydroxide, ferric phosphate, manganese carbonate, cobalt trioxide or other similar substances, and the lithium salt can be lithium carbonate, lithium hydroxide or other similar substances.

[0117] In some embodiments of the present application, on the production line from positive electrode material raw materials to positive electrode materials, generally, as needed, a certain amount of purchased positive electrode material raw materials is added to the self-produced positive electrode material raw materials, and the ingredients are mixed to generate self-produced positive electrode materials. That is, when generating self-produced positive electrode materials, self-produced positive electrode material raw materials and purchased positive electrode material raw materials are used. Self-produced positive electrode materials refer to positive electrode materials produced by oneself, and purchased positive electrode materials refer to positive electrode materials purchased from external suppliers. Self-produced positive electrode materials and purchased positive electrode materials are the same substance, which can be lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium iron phosphate, lithium manganese oxide, lithium cobalt oxide, lithium-rich manganese oxide or other similar substances. In some embodiments of the present application, on the production line from positive electrode materials to batteries, generally, as needed, a certain amount of purchased positive electrode materials is added to the self-produced positive electrode materials, and the ingredients are mixed to generate batteries. That is, the raw materials of the battery are self-produced positive electrode materials and purchased positive electrode materials.

[0118] In some embodiments of the present application, i-element is recovered from waste batteries to generate positive electrode materials, including: extracting i-element from the waste batteries into a leachate, then, on the one hand, adding purchased metal salts when extracting precursors from the leachate; on the other hand, adding purchased crude salts when extracting lithium salts from the leachate; mixing the extracted precursors and lithium salts with purchased precursors and refined salts to prepare a mixture, and generating positive electrode materials based on the mixture. According to the above-mentioned production processes of precursors and lithium salts, the production processes of precursors and lithium salts are similar, and the time nodes of the raw materials input are similar. Both are generated by adding purchased salts after the leachate. In order to facilitate the use of a recycled material accounting formula that applies to both precursors and lithium salts, a common name is given to the precursors and lithium salts, such as positive electrode material raw materials; similarly, a common name is given to purchased metal salts and purchased crude salts, such as purchased salts. At the same time, for the sake of correspondence in name, a new name is given to the leachate, such as self-produced salt. The calculation formula after applying the new name can be used to calculate the proportion of recycled materials of each element in the precursor, and can also be used to calculate the proportion of recycled materials of each element in the lithium salt, which is both convenient and accurate.

[0119] In some embodiments of the present application, when extracting the positive electrode material raw material according to the leachate, purchased salt is added, including: extracting the leachate, and adding the qualified extracted liquid to the ingredients to make a batching liquid, adding the purchased salt to the batching liquid to react, and extracting the self-produced positive electrode material raw material.

[0120] In some embodiments of the present application, the purchased salt is at least one of a purchased lithium salt, a purchased nickel salt, a purchased cobalt salt, a purchased manganese salt, a purchased iron salt or a purchased phosphate salt.

[0121] In some embodiments of the present application, as shown in Figure 2, there is a process flow diagram for calculating and tracing the proportion of recycled materials based on RMS, as provided in embodiments of the present application. Specifically, the waste battery module is first obtained, then the module is disassembled to obtain the battery cells. This process precedes the leaching process, and coding traceability can be used to trace the recycled materials. The battery cells and process materials are discharged, pyrolyzed, and crushed to screen out the battery black powder. The battery black powder is then oxidized and leached to extract the leachate.

[0122] In Figure 2, when extracting the precursor (i.e., the self-produced cathode material raw material) from the leachate, the qualified liquid extracted from the leachate is added to the batching to make a batching liquid; the purchased nickel-cobalt salt is added to the batching liquid for reaction to obtain the precursor (i.e., the self-produced cathode material raw material). The process of preparing the batching liquid from the leachate belongs to the leaching process, and the recycled material can be traced by time period. The extracted lithium salt and the precursor are then mixed, and purchased refined salt (i.e., lithium salt, equivalent to the purchased cathode material raw material) and the purchased precursor (i.e., the purchased cathode material raw material) are added to obtain a mixture. According to the reaction of the mixture, the NCM ternary recycled cathode material composed of nickel (Ni), cobalt (Co), manganese (Mn), and lithium (Li) is obtained; among them, the process of preparing the mixture is the post-leaching process, and the recycled material can be batch traced based on the mixture.

[0123] In Figure 2, lithium salts and precursors (collectively referred to as self-produced cathode material raw materials) can be extracted from the leachate. When extracting lithium salts from the leachate, the leachate is extracted to obtain a raffinate; the raffinate is subjected to a causticizing reaction to produce a causticized solution; and purchased crude salt (i.e., purchased salt) is added to the causticized solution to fully extract the lithium salts from the causticized solution.

[0124] It is worth noting that purchased lithium salts include purchased refined salts and purchased coarse salts. Purchased coarse salts (i.e., purchased salts) are added when extracting lithium salts, and purchased refined salts (i.e., purchased positive electrode material raw materials) are added during calcination. The purchased metal salts in Figure 2 include purchased nickel-cobalt salts.

[0125] Finally, the self-produced cathode material raw material is obtained based on the lithium salt and the precursor. The self-produced cathode material raw material, the purchased refined lithium salt, and the purchased cathode material raw material are then mixed to obtain the self-produced cathode material, thereby recycling the self-produced cathode material from waste batteries to obtain the regenerated cathode material.

[0126] It is worth noting that during the extraction of lithium salts and NCM regenerated cathode materials from the caustic solution and the mixed material, respectively, the failed lithium element compounds are directly repaired using purchased lithium salts to restore the electrochemical properties of the compounds. The restored compounds can then be reused as recycled materials. Similarly, purchased nickel-cobalt salts are added to the batching solution, and purchased precursors are added to the mixed material. After producing self-produced cathode materials based on RMS, the proportion of recycled materials for each element in the waste battery is calculated from the self-produced cathode materials. This includes both recycled raw materials from the waste batteries and recycled raw materials for purchased lithium salts, purchased nickel-cobalt salts, and purchased precursors, allowing for an accurate calculation of the recycled material proportion for each element based on the entire RMS process.

[0127] In some embodiments of the present application, the RMS process in Figure 2 is used to recycle and regenerate NCM ternary regenerated positive electrode materials, or the RMS process in Figure 2 is used to recycle and regenerate NCA ternary regenerated positive electrode materials composed of nickel, cobalt, aluminum (Al) and lithium to obtain the proportion of recycled materials in the NCM ternary regenerated positive electrode materials or the NCA ternary regenerated positive electrode materials.

[0128] In some embodiments of this application, the battery production process is shown in Figure 3. As shown in the figure, in the production line from cathode materials to batteries, a certain amount of purchased cathode materials is generally added to the self-produced cathode materials as needed to form the battery. In other words, the raw materials of the battery are a combination of self-produced cathode materials and purchased cathode materials.

[0129] The embodiment of the present application regenerates the positive electrode material after recycling the i element from the waste batteries based on RMS, and traces the recycled material based on RMS. Therefore, the elements in the waste batteries in use can be used to generate the positive electrode material, which has high applicability and practicality.

[0130] In some embodiments of the present application, when all the raw materials of the self-produced salt are recycled materials, the proportion of recycled materials in the i element of the self-produced salt is 100%, and the calculation formula for the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +(1-y i );

[0131] Where y i The proportion of purchased salt in the total salt element i used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi R is the proportion of recycled materials in the i element of the purchased salt, in %; Pi It is the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials, in %.

[0132] It is worth noting that the proportion of recycled materials in the i element of purchased salt should be provided by the corresponding external supplier, and the external supplier can use the calculation method of the proportion of recycled materials provided in this application to calculate it.

[0133] In some embodiments of the present application, the production material data also includes: the mass of element i of the purchased salt used in the production of self-produced positive electrode material raw materials and the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials. The proportion of the purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0134] Where m MSRi The mass of element i in the purchased salt used in the production of self-produced positive electrode material raw materials, in kg; m MRi is the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials, in kg; i It is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %.

[0135] For example, when it is necessary to calculate the proportion of recycled materials in the nickel element of the precursor, such as the proportion of recycled materials in the nickel element of nickel cobalt manganese hydroxide, that is, the raw material of the self-produced positive electrode material is nickel cobalt manganese hydroxide, and the i element is nickel. Collect the corresponding production material data on the production line of the nickel cobalt manganese hydroxide, collect the mass of the nickel element of the self-produced salt used, such as the mass of the nickel element of the self-produced nickel sulfate is 433kg; collect the mass of the nickel element of the purchased salt used, that is, the mass of the nickel element of the purchased nickel sulfate is 276kg; collect the proportion of recycled materials in the nickel element of the purchased salt, which is provided by an external supplier, such as the proportion of recycled materials in the nickel element of the purchased nickel sulfate is 50%. When the nickel element of the self-produced nickel sulfate is all recycled materials, that is, the proportion of recycled materials in the nickel element of the self-produced salt is 100%. The calculation formula for the proportion of recycled materials of the i element of the self-produced positive electrode material raw material is as follows:

[0136] The above formula can be used to calculate the proportion of recycled materials in the nickel element of a ternary lithium-ion battery positive electrode material precursor. Similarly, the same method can be used to calculate the proportion of recycled materials of the i element in other self-produced positive electrode material raw materials.

[0137] In addition, the production material data also includes: the mass of element i in the purchased salt used in the production of self-produced positive electrode material raw materials, the recovery rate of element i from all salt to self-produced positive electrode material raw materials, the mass of element i in the black powder used in the production of self-produced salt, the recovery rate of element i from black powder to self-produced salt and the mass of element i in the self-produced positive electrode material raw materials obtained from production.

[0138] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can also be expressed as:

[0139] Where m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the element i from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced cathode material raw materials, in kg;

[0140] And, the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0141] Where m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

[0142] For example, get v 1i and v 2i There are many ways to obtain the numerical value, and it is recommended to use conventional methods in this field. 1i and v 2i The average value of multiple experimental results can also be taken.

[0143] When the proportion of recycled materials in the i element of the self-produced salt is not set to 100%, the calculation formula for the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +R MBi *(1-y i ),

[0144] Among them, y i is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi R is the proportion of recycled materials in the i element of the purchased salt, in %; MBi R is the proportion of recycled materials in the i element of the self-produced salt, in %; Pi It is the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials, in %.

[0145] Taking into account that when producing self-produced salt, sometimes the raw materials used are not all recycled materials or recycled raw materials, that is, sometimes virgin mineral materials are used, so the parameter R is introduced MBi As the proportion of recycled materials in the i element of the self-produced salt, the application scope of the calculation formula for the proportion of recycled materials of the i element in the positive electrode material raw materials is further expanded, and the accuracy of the calculation of the proportion of recycled materials is improved.

[0146] Accordingly, the proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0147] Where m MSRi is the mass of element i of the purchased salt used in the production of self-produced precursors, in kg; m MRi is the mass of element i of the self-produced salt used in the production of the self-produced precursor, in kg; y i It is the proportion of purchased salt in the i element of all salts used in the production of the self-produced precursor, in %.

[0148] The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0149] Where m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the element i from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced cathode material raw materials, in kg;

[0150] And, the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as:

[0151] Where m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

[0152] The mass m of element i in the self-produced positive electrode material raw material obtained from the above production EPi In fact, it is the mass of the i element in the self-produced positive electrode material raw materials obtained in the process from black powder to self-produced salt to self-produced positive electrode material raw materials.

[0153] During the production process, the production material data also includes: the mass of element i in the black powder used in the production of self-produced salt, the mass of element i in the purchased materials used in the production of self-produced salt, and the proportion of recycled materials in element i in the purchased materials.

[0154] The proportion of recycled materials in the element i of the self-produced salt can be expressed as:

[0155] Where m Bi is the mass of element i in the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; R MSCi is the proportion of recycled materials in the i element of the purchased materials, in %; R MBi is the proportion of recycled materials in the i element of the self-produced salt, in %.

[0156] For example, when it is necessary to calculate the proportion of recycled materials in the lithium element of lithium salt, such as the proportion of recycled materials in the lithium element of lithium carbonate, that is, the raw material of the self-produced positive electrode material is lithium carbonate, and the i element is lithium. Collect the corresponding production material data on the production line of the lithium carbonate production: collect the mass of the lithium element of the self-produced salt used, such as the mass of the lithium element of the self-produced lithium sulfate is 113kg; collect the mass of the lithium element of the purchased salt used, that is, the mass of the lithium element of the purchased lithium sulfate is 80kg; collect the proportion of recycled materials in the lithium element of the purchased salt, provided by the external supplier, such as the proportion of recycled materials in the lithium element of the purchased lithium sulfate is 60%. At the same time, collect the corresponding production material data when producing the self-produced salt, that is, collect the corresponding production material data when producing the self-produced lithium sulfate: collect the mass of the i element in the black powder used, such as the mass of the lithium element in the black powder is 330kg; collect the mass of the i element in the purchased material used, such as the mass of the lithium element in the purchased material is 40kg; collect the proportion of recycled materials in the i element in the purchased material, such as the proportion of recycled materials in the lithium element in the purchased material is 50%. The formula for calculating the proportion of i-element recycled materials in the above-mentioned self-produced positive electrode material raw materials is:

[0157] The above formula can be used to calculate the proportion of recycled materials in the lithium element of lithium salt. Similarly, the same method can be used to calculate the proportion of recycled materials of the i element in other self-produced positive electrode material raw materials.

[0158] It is worth noting that the output of the previous section may be used entirely in the next section, or only part of it may be used in the next section. It is necessary to determine the corresponding raw material source based on the specific products that need to be calculated and to be flexible. For example, in the black powder to salt section, 330kg of black powder containing lithium was input, and 40kg of purchased materials containing lithium were input, and about 368.89kg of self-produced salt containing lithium was produced. When the next section only needs 113kg of self-produced salt containing lithium, it only needs to take 113kg of self-produced salt containing lithium from the output of the previous section.

[0159] In some embodiments of the present application, the production material data also includes: the proportion of purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, the proportion of recycled materials in the i element of the purchased positive electrode material raw materials, and the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials.

[0160] Furthermore, the proportion of recycled material in element i of the self-produced positive electrode material raw materials is obtained based on the production material data, the proportion of recycled material in element i of the self-produced positive electrode material raw materials, and the preset calculation formula for the proportion of recycled material in element i of the self-produced positive electrode material raw materials. The total positive electrode material raw materials used in the production of the self-produced positive electrode material include both self-produced positive electrode material raw materials and purchased positive electrode material raw materials.

[0161] Among them, the calculation formula for the proportion of i element recycled materials of the self-produced positive electrode material is: R Ci =R Pi *(1-x i )+R Wi *x i ;

[0162] Where x i The proportion of the purchased positive electrode material raw materials in the element i of all the positive electrode material raw materials used in the production of the self-produced positive electrode material, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wi R is the proportion of recycled materials in the i element of the purchased positive electrode material raw materials, in %; Pi R is the percentage of recycled materials in the i element of the self-produced positive electrode material raw materials, in %; Ci is the proportion of i element recycled materials in the self-produced positive electrode material.

[0163] Based on the calculation formula of the proportion of recycled materials of element i in the self-produced positive electrode material raw materials, another expression of the calculation formula of the proportion of recycled materials of element i in the self-produced positive electrode material can be obtained as follows: Ci =(RMi *y i +R MBi *(1-y i ))*(1-x i )+R wi *x i

[0164] In some embodiments of the present application, the production material data further includes: the mass of the i element of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material and the mass of the i element of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material;

[0165] The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as:

[0166] Where m PSi is the mass of element i of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; m Pi is the mass of element i of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; x i It is the proportion of purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, and the unit is %.

[0167] In some embodiments of the present application, the production material data further includes: the mass of the element i of the purchased positive electrode material raw materials used in the production of the self-produced positive electrode material, the recovery rate of the element i from all the self-produced positive electrode material raw materials to the self-produced positive electrode material, and the mass of the element i of the self-produced positive electrode material obtained by production;

[0168] The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as:

[0169] Where m PSi is the mass of element i of the purchased positive electrode material used in the production of the self-produced positive electrode material, in kg; v 3i is the recovery rate of the element i from the self-produced positive electrode material raw material to the self-produced positive electrode material, in %; m ECi It is the mass of element i of the self-produced positive electrode material produced, in kg.

[0170] For example, get v 3i There are many ways to obtain the numerical value, and it is recommended to use conventional methods in this field. 3i The average value of multiple experimental results can also be taken.

[0171] In some embodiments of the present application, the production material data further includes: the proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery, the proportion of recycled materials in the i element of the purchased positive electrode materials, and the proportion of self-produced positive electrode materials in the i element of all positive electrode materials used in the production of the battery;

[0172] Obtain the proportion of recycled materials in element i of the battery based on the production material data, the proportion of recycled materials in element i of the self-produced positive electrode material, and a preset formula for calculating the proportion of recycled materials in element i of the battery;

[0173] Among them, all the positive electrode materials used in the production of the battery include self-produced positive electrode materials and purchased positive electrode materials.

[0174] The calculation formula for the proportion of recycled materials of element i in the battery can be expressed as:

[0175] R i =R Ci *(1-z i )+R CSi *z i ;

[0176] Where z i is the proportion of the purchased positive electrode material in the i element of all the positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSi R is the proportion of recycled materials in the i element of the purchased positive electrode material, in %; Ci R is the proportion of recycled materials in the i element of the self-produced positive electrode material, in %; i is the proportion of recycled materials in the i element of the battery.

[0177] In some embodiments of the present application, the production material data further includes: the mass of the i element of the purchased positive electrode material used in the production of the battery and the mass of the i element of the self-produced positive electrode material used in the production of the battery;

[0178] The proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery can be expressed as:

[0179] Where m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; m Ci is the mass of element i of the self-produced positive electrode material used in the production of the battery, in kg; z i It is the proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery, in %.

[0180] In some embodiments of the present application, the production material data further includes: the mass of the i element of the purchased positive electrode material used in the production of the battery, the recovery rate of the i element from all the positive electrode materials to the battery, and the mass of the i element of the produced battery;

[0181] The proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery can be expressed as:

[0182] Where m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; v 4i is the recovery rate of the element i from all positive electrode materials to the battery, in %; m Ei is the mass of element i of the produced battery, in kg.

[0183] For example, get v 4i There are many ways to obtain the numerical value, and it is recommended to use conventional methods in this field. 4i The average value of multiple experimental results can also be taken.

[0184] According to the above formula, we can also get:

[0185] Where m Ci is the mass of element i of the self-produced positive electrode material used in the production of the battery, in kg.

[0186] [Corrected 24.11.2024 according to Rule 91] Therefore, the formula for calculating the proportion of recycled materials of element i in the battery can also be expressed as:

[0187] In some embodiments of the present application, the production material data further includes: the proportion of recycled raw material j in element i of purchased positive electrode material raw materials and the proportion of recycled raw material j in element i of self-produced positive electrode material raw materials; j is waste battery or waste process material;

[0188] According to the production material data and the preset calculation formula for the proportion of recycled raw material j in element i of the self-produced positive electrode material, the proportion of recycled raw material j in element i of the self-produced positive electrode material is obtained.

[0189] Based on the calculation formula of the proportion of recycled raw materials of element i in the self-produced positive electrode material and the calculation formula of the proportion of recycled raw materials of element i in the battery, the following can be obtained:

[0190] The calculation formula for the proportion of recycled raw material j in the element i of the self-produced positive electrode material is: R Cij =R Pij *(1-xi )+R Wij *x i ;

[0191] Where x i The proportion of the purchased positive electrode material raw materials in the element i of all the positive electrode material raw materials used in the production of the self-produced positive electrode material, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wij R is the proportion of recycled raw material j in the element i of the purchased positive electrode material, in %; Pij R is the proportion of recycled raw material j in element i of the self-produced positive electrode material raw material, in %; Cij is the proportion of recycled raw material j in element i of the self-produced positive electrode material.

[0192] In some embodiments of the present application, the production material data further includes: the proportion of recycled raw material j in element i of purchased positive electrode materials and the proportion of recycled raw material j in element i of self-produced positive electrode materials; j is waste battery or waste process material;

[0193] The calculation formula for the proportion of recycled raw materials j of element i in the battery can be expressed as: R ij =R Cij *(1-z i )+R CSij *z i ;

[0194] Where z i is the proportion of the purchased positive electrode material in the element i of all the positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSij R is the proportion of recycled raw material j in the element i of the purchased positive electrode material, in %; Cij R is the proportion of recycled raw material j in element i of the self-produced positive electrode material, in %; ij is the proportion of recycled raw material j in element i of the battery.

[0195] In some embodiments of the present application, when obtaining the proportion of recycled raw materials in the i element of the self-produced positive electrode material, the nickel-containing recycled raw materials include: at least one of nickel-containing battery waste, pure nickel waste, nickel alloy waste, waste nickel powder, nickel salt waste, nickel mud, nickel-containing catalyst waste or nickel-containing ash.

[0196] In some embodiments of the present application, when obtaining the raw material proportion of the i element in the self-produced positive electrode material, the cobalt-containing recycled raw materials include: at least one of: cobalt-containing battery waste, pure cobalt waste, cobalt alloy waste, cobalt salt waste, cobalt-containing catalyst waste or cobalt slag waste.

[0197] In some embodiments of the present application, when obtaining the proportion of recycled raw materials in the i element of the self-produced positive electrode material, the lithium-containing recycled raw materials include: ① lithium-containing battery waste, which includes: lithium-containing waste batteries and at least one of lithium battery recycled positive electrode material wastes such as lithium cobaltate, lithium nickel cobalt manganese oxide, lithium iron phosphate, lithium manganate, lithium nickel cobalt aluminum oxide or lithium nickel oxide generated in the production process of lithium batteries, and at least one of electrolyte materials such as lithium hexafluorophosphate or negative electrode material wastes such as lithium titanate; ② lithium salt waste, which includes: at least one of lithium carbonate, lithium hydroxide monohydrate, lithium bromide, lithium fluoride, lithium chloride or metallic lithium; ③ other lithium-containing wastes, including: at least one of lithium-containing slag or lithium-containing alloys remaining in the ore smelting process.

[0198] In some embodiments of the present application, when obtaining the proportion of recycled raw materials in the i element of the self-produced positive electrode material, the manganese-containing recycled raw materials include: at least one of manganese-containing battery waste, manganese alloy waste, manganese salt waste, nickel mud, manganese ore waste, manganese oxide slag or chemical manganese mud.

[0199] In some embodiments of the present application, when obtaining the proportion of recycled raw materials in the i element of the self-produced positive electrode material, the phosphorus-containing recycled raw materials include: at least one of: phosphorus-containing battery waste, phosphate salt waste, phosphogypsum, phosphate tailings, phosphate fertilizer slag, phosphating slag or phosphate mud.

[0200] In some embodiments of the present application, when obtaining the proportion of recycled raw materials in the i element of the self-produced positive electrode material, the iron-containing recycled raw materials include: at least one of: iron-containing battery waste, pure iron waste, iron salt waste, automobile dismantling materials, alloy steel waste or cast iron waste, etc.

[0201] It is worth noting that the sources of recycled raw materials include: the aforementioned waste batteries and process materials. The source of recycled raw materials within the aforementioned waste batteries is specifically post-consumer battery waste. Other sources of recycled raw materials include waste containing any of the following elements: nickel, cobalt, manganese, aluminum, iron, phosphorus, or lithium, such as waste generated during the production process or waste generated during daily life.

[0202] The embodiments of the present application take into account the proportion of recycled materials in the element in the purchased salt, the ratio of the element purchased salt input corresponding to the element in the whole process to the total input of the corresponding element raw metal, the corresponding purchased material input in the black powder and the ratio, and the metal recovery rate and purchase rate of the self-produced positive electrode material raw materials recovered from the black powder, so as to obtain clearer production material data, thereby providing a clearer accounting process, and further improving the accuracy and credibility of the calculated proportion of recycled materials in the electrode material, which is conducive to the accurate tracing of the proportion of recycled materials.

[0203] The embodiment of the present application collects production material data during the process of producing positive electrode materials. Through the production material data and the preset recycled material ratio calculation formula, the recycled material ratio can be accurately traced, thereby improving the recycling supervision efficiency.

[0204] The embodiment of the present application collects production material data during the process of preparing self-produced positive electrode materials, and obtains the recycled material ratio of the elements based on a preset recycled material ratio calculation formula, and accurately calculates the recycled material ratio, thereby improving the recycling efficiency and filling the technical gap in the recycling industry chain that cannot calculate battery recycled materials.

[0205] Example 2

[0206] The embodiment of the present application provides a recycled material traceability method based on RMS, including: based on the RMS-based recycled material proportion calculation method as described in Example 1, and tracing the recycled material according to BTB.

[0207] It is worth noting that due to the complexity of the production process of batteries and their positive electrode materials and the involvement of multiple sources of raw materials, the technical research on the traceability of recycled materials throughout the supply chain is also incomplete, which has brought many difficulties to regulatory authorities and industry practices. Based on this, this application provides a recycled material traceability method based on RMS to automatically trace different processing processes by coding, time period and batch, improve traceability accuracy, reduce complex manual operations, and unify the management of the traceability process, improve the accuracy of recycled material traceability data, and improve traceability efficiency.

[0208] In some embodiments, the recycled materials are traced according to the BTB, including: coding and tracing the recycled raw materials according to the operations before the leaching process based on the RMS process, tracing the recycled materials by time period according to the leaching process, and tracing the recycled materials by batches according to the operations after the leaching process.

[0209] In some embodiments, the recycled materials are traced according to the BTB, including: the coding traceability refers to establishing a code for each waste battery, waste process material, black powder or purchased material, and the code contains elemental composition information, elemental weight information and recycled material ratio information; the code is entered into the system; the time period traceability refers to marking the self-produced salt and the purchased salt according to the time period and generating a corresponding time period code, and the time period code contains the elemental composition information, elemental weight information and recycled material ratio information of the time period; the time period code is entered into the system; the batch traceability refers to establishing a batch code for each batch of self-produced positive electrode material raw materials, purchased positive electrode material raw materials, self-produced positive electrode materials, purchased positive electrode materials or batteries; the batch code contains elemental composition information, elemental weight information and recycled material ratio information; the batch code is entered into the system.

[0210] In some embodiments, tracing recycled materials according to the BTB includes: establishing a purchased product traceability code for the purchased product, the purchased product traceability code including the purchased product information code and information about the raw materials used in producing the purchased product, and entering the purchased product traceability code into the system; the purchased product is the purchased material, the purchased salt, the purchased cathode material raw material, or the purchased cathode material; the purchased product information code is the purchased material code, the purchased salt time period code, the purchased cathode material raw material batch code, or the purchased cathode material batch code; the raw material information used in producing the purchased product includes the traceability code of each raw material used in producing the purchased product and information about the usage of the corresponding raw material; the purchased product traceability code is the purchased material traceability code, the purchased salt traceability code, the purchased cathode material raw material traceability code, or the purchased cathode material traceability code. Relevant information about the purchased product traceability code is provided by the external supplier. The traceability method of the traceability code of purchased goods can refer to the RMS-based recycled material traceability method of this application.

[0211] In some embodiments, the recycled materials are traced according to the BTB, including: on the production line, after the self-produced product is produced through the corresponding processing steps, a self-produced product traceability code is established for the self-produced product according to the processing process, the self-produced product traceability code includes the self-produced product information code and the raw material information used in the production of the self-produced product, and the self-produced product traceability code is entered into the system; the self-produced product is the black powder, the self-produced salt, the self-produced positive electrode material raw material, the self-produced positive electrode material or the battery; the self-produced product information code is the waste battery code, the waste process material code, the black powder code, the purchased material code, the self-produced salt time period code, the purchased salt time period code, the self-produced positive electrode material raw material batch code, the purchased positive electrode material raw material batch code, the self-produced positive electrode material batch code, the purchased positive electrode material batch code or the battery batch code; the raw material information used in the production of the self-produced product includes the traceability code of each raw material used in the production of the self-produced product and the usage information of the corresponding raw material.

[0212] In some embodiments, when it is necessary to trace the proportion of recycled materials in a specific product, first, determine the self-produced product for which the proportion of recycled materials or the traceability of recycled materials needs to be calculated; second, obtain the traceability code of the self-produced product; finally, based on the traceability code of the self-produced product, obtain the recycled material proportion information or the source information of the recycled materials in the self-produced product.

[0213] In some embodiments, when it is necessary to calculate and trace the proportion of recycled materials in a specific product, according to the RMS-based recycled material traceability method and the RMS-based recycled material proportion calculation method disclosed in this article, the recycled material proportion calculation formula and the values ​​of the relevant parameters in the formula can be obtained, so that a more accurate proportion of recycled materials in the product can be obtained, and the recycled materials in the product can be traced more accurately.

[0214] It is worth noting that all purchased materials, that is, materials purchased from external suppliers, used in the production process of batteries, positive electrode materials and production raw materials, need to be provided by external suppliers. External suppliers can use the RMS-based recycled material proportion accounting and traceability method provided in this application.

[0215] For example, when the type of product requiring recycled material traceability is a battery, the recycled material in the battery can be traced according to the RMS-based recycled material traceability method as follows:

[0216] 1) Obtain the traceability code of the battery to be traced.

[0217] 2) According to the traceability code of the battery, the battery batch code and the raw material information used in the production of the battery are obtained; the raw material information used in the production of the battery includes the traceability code of the self-produced positive electrode material, the usage amount of the self-produced positive electrode material, the traceability code of the purchased positive electrode material, and the usage amount of the purchased positive electrode material; according to the battery batch code, the element composition information, element weight information and recycled material ratio information of the battery are obtained.

[0218] 3) Based on the traceability code of the purchased positive electrode material, obtain the batch code of the purchased positive electrode material and the raw material information used in the production of the purchased positive electrode material; based on the batch code of the purchased positive electrode material, obtain the elemental composition information, elemental weight information and recycled material ratio information of the purchased positive electrode material; the relevant information of the traceability code of the purchased positive electrode material is provided by the external supplier.

[0219] 4) According to the traceability code of the self-produced positive electrode material, the batch code of the self-produced positive electrode material and the raw material information used in the production of the self-produced positive electrode material are obtained. The raw material information used in the production of the self-produced positive electrode material includes the traceability code of the self-produced positive electrode material raw material, the usage amount of the self-produced positive electrode material raw material, the traceability code of the purchased positive electrode material raw material and the usage amount of the purchased positive electrode material raw material; according to the batch code of the self-produced positive electrode material, the element composition information, element weight information and recycled material ratio information of the self-produced positive electrode material are obtained.

[0220] 5) Based on the traceability code of the purchased positive electrode material raw materials, obtain the batch code of the purchased positive electrode material raw materials and the raw material information used in the production of the purchased positive electrode material raw materials; based on the batch code of the purchased positive electrode material raw materials, obtain the elemental composition information, elemental weight information and recycled material proportion information of the purchased positive electrode material raw materials; the relevant information of the traceability code of the purchased positive electrode material raw materials is provided by the external supplier.

[0221] 6) According to the traceability code of the self-produced positive electrode material raw materials, the batch code of the self-produced positive electrode material raw materials and the raw material information used in the production of the self-produced positive electrode material raw materials are obtained. The raw material information used in the production of the self-produced positive electrode material raw materials includes the self-produced salt traceability code, the usage of the self-produced salt, the purchased salt traceability code and the usage of the purchased salt; according to the batch code of the self-produced positive electrode material raw materials, the elemental composition information, elemental weight information and recycled material proportion information of the self-produced positive electrode material raw materials are obtained.

[0222] 7) Based on the purchased salt traceability code, obtain the purchased salt time period code and the raw material information used in the production of purchased salt; based on the purchased salt time period code, obtain the elemental composition information, elemental weight information and recycled material ratio information of the purchased salt in that time period; the relevant information of the purchased salt traceability code is provided by the external supplier.

[0223] 8) According to the self-produced salt traceability code, the self-produced salt time period code and the raw material information used in the production of self-produced salt are obtained. The raw material information used in the production of self-produced salt includes the black powder traceability code, the amount of black powder used, the purchased material traceability code and the amount of purchased material used; according to the self-produced salt time period code, the elemental composition information, elemental weight information and recycled material ratio information of the self-produced salt in that time period are obtained.

[0224] 9) Based on the purchased material traceability code, obtain the purchased material code and the raw material information used in the production of the purchased material, and based on the purchased material code, obtain the elemental composition information, element weight information and recycled material ratio information of the purchased material; the relevant information of the purchased material traceability code is provided by the external supplier.

[0225] 10) Based on the black powder traceability code, obtain the black powder code and the raw material information used in the production of the black powder. The raw material information used in the production of the black powder includes the waste material code and the amount of waste material used; the waste material code includes at least one of the waste battery code, the waste process material code, or other waste material code; based on the black powder code, obtain the elemental composition information, element weight information, and recycled material ratio information of the black powder.

[0226] The BTB traceability method based on barcode traceability, time period traceability and batch traceability is adopted. Different traceability means are used to trace the recycled materials in different stages to adapt to the processing process of different recycled materials. The recycled materials are traced more scientifically and systematically, so as to use barcode traceability-time period traceability-batch traceability (BTB) as the evidence chain, thereby improving the accuracy of the recycled material proportion data.

[0227] The above-mentioned application provides a variety of methods for calculating the proportion and tracing the recycled materials of batteries, positive electrode materials and production raw materials. These recycled material proportion calculation and traceability methods together constitute a set of recycled material calculation and traceability standards, referred to as: recycled material standards, namely: RMS (Recycled Material Standard).

[0228] Example 3

[0229] FIG4 is a schematic structural diagram of a recycled material ratio calculation device based on RMS provided in an embodiment of the present application, which includes: a data acquisition unit 21 and a recycled material ratio calculation unit 22 .

[0230] The data collection unit 21 is used to collect the production material data used in the RMS-based recycled material ratio calculation method described in Implementation 1 within a preset collection period;

[0231] The recycled material ratio calculation unit 22 calculates the recycled material ratio based on the production material data collected by the data collection unit 21 and the calculation formula in the recycled material ratio calculation method based on RMS as described in Implementation 1.

[0232] The embodiment of the present application uses a data acquisition unit 21 to collect production material data in the process of extracting self-produced positive electrode materials from waste batteries, and transmits the production material data to the recycled raw material proportion accounting unit 22; after receiving the production material data, the recycled raw material proportion accounting unit 22 substitutes the production material data into multiple preset recycled raw material proportion accounting formulas to obtain the recycled raw material proportion of the element, thereby accurately tracing the recycled raw material proportion based on the RMS recycled material proportion calculation method.

[0233] Example 4

[0234] An embodiment of the present application provides a recycled material traceability device based on RMS, including: a traceability unit; a traceability unit for tracing the recycled material based on the steps of the RMS-based recycled material traceability method as described in Example 2.

[0235] In some embodiments, the recycled materials are traced according to the BTB, including: coding and tracing the recycled raw materials according to the operations before the leaching process of the production process, tracing the recycled materials by time period according to the leaching process, and tracing the recycled materials by batches after the leaching process.

[0236] This application adopts a recycled material traceability device based on RMS, and uses the BTB traceability method of code (Barcode) traceability, time period (Time) traceability and batch (Batche) traceability, and adopts different traceability means to trace the recycled materials in different ways to adapt to the processing process of different recycled materials. It can accurately trace the source of the recycled materials, thereby improving the recycling efficiency of the recycled materials.

[0237] Example 5

[0238] Figure 5 is a schematic diagram of an electronic device provided in an embodiment of the present application. In the figure, electronic device 31 includes one or more processors 33 and memory 32. Memory 32 stores one or more computer programs 34. When executed by the one or more processors 33, the one or more processors 33 implement the steps of the RMS-based recycled material accounting method described in Example 1, or the steps of the RMS-based recycled material traceability method described in Example 2.

[0239] It is worth noting that the electronic devices are not limited to computers, smart phones, tablet computers and dedicated smart detection instruments.

[0240] The embodiments of the present application can quickly calculate the proportion of recycled materials on-site through various electronic devices by integrating the RMS-based recycled material accounting method described in Example 1 on electronic devices, or can perform on-site recycled material traceability by integrating the RMS-based recycled material traceability method described in Example 2 on electronic devices, which has more applicable scenarios and stronger applicability and scalability.

[0241] Example 6

[0242] An embodiment of the present application provides a readable computer storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the RMS-based recycled material accounting method as described in Example 1 are implemented, or the steps of the RMS-based recycled material traceability method as described in Example 2 are implemented.

[0243] It is worth noting that the computer program is not limited to computer programming language or pseudo code.

[0244] The embodiments of the present application store the RMS-based recycled material accounting method described in Example 1 in a storage medium in the form of a program, or integrate the RMS-based recycled material traceability method described in Example 2 on an electronic device. By running or reading the executable program in the storage medium, the recycled material ratio can be quickly calculated or traced, etc., and is applicable to more operating systems and different application platforms, with greater scalability.

[0245] Those skilled in the art will appreciate that the embodiments of the present application may also provide computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.

[0246] The present application is described with reference to the flow chart and / or block diagram of the method, device (system), and computer program product according to the embodiment of the present application. It should be understood that each flow process and / or box in the flow chart and / or block diagram and the combination of the flow process and / or box in the flow chart and / or block diagram can be realized by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processing machine or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for realizing the function specified in one flow chart flow or multiple flows and / or one box or multiple boxes of the block diagram.

[0247] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0248] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, so that the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0249] The above is only a preferred implementation of the embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the embodiment of the present application. These improvements and modifications should also be regarded as the scope of protection of the embodiment of the present application.

Claims

1. A method for calculating the proportion of recycled materials based on RMS, characterized in that: include: During a preset collection period, the production material data within the preset system boundary range on the production line are collected; wherein the production material data include: the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, the proportion of recycled materials in the i element of the purchased salt, the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, and the proportion of recycled materials in the i element of the self-produced salt; the total salt used in the production of self-produced positive electrode material raw materials is composed of self-produced salt and purchased salt; According to the production material data and the preset calculation formula for the proportion of recycled materials of element i in the self-produced positive electrode material raw materials, the proportion of recycled materials in element i of the self-produced positive electrode material raw materials is obtained; Among them, the self-produced positive electrode material raw material is a compound containing element i; the element i is any one of nickel, cobalt, manganese, aluminum, iron, phosphorus or lithium.

2. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 1, characterized in that: When all the raw materials of the self-produced salt are recycled materials, the proportion of recycled materials in the i element of the self-produced salt is 100%, and the calculation formula for the proportion of recycled materials in the i element of the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +(1-y i ); In the formula, y i The proportion of purchased salt in the total salt element i used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi is the proportion of recycled materials in the i element of the purchased salt, in %; R Pi It is the proportion of recycled materials in element i of the self-produced positive electrode material raw materials, in %.

3. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 2 is characterized in that: The production material data also includes: the mass of the i element of the purchased salt used in the production of the self-produced positive electrode material raw material and the mass of the i element of the self-produced salt used in the production of the self-produced positive electrode material raw material; The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m MSRi The mass of element i in the purchased salt used to produce the self-produced positive electrode material raw materials, in kg; m MRi is the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials, in kg; i It is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %.

4. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 2 is characterized in that: The production material data also includes: the mass of element i in the purchased salt used in the production of self-produced positive electrode material raw materials, the recovery rate of element i from all salts to self-produced positive electrode material raw materials, the mass of element i in the black powder used in the production of self-produced salt, the recovery rate of element i from black powder to self-produced salt, and the mass of element i in the self-produced positive electrode material raw materials obtained by production; The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the i element from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced positive electrode material raw material produced, in kg; And, the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

5. The method for calculating the proportion of recycled materials based on RMS according to claim 1, characterized in that: The calculation formula for the proportion of i-element recycled materials in the self-produced positive electrode material raw materials is: R Pi =R Mi *y i +R MBi *(1-y i ), Among them, y i is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; (1-y i ) is the proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %; R Mi is the proportion of recycled materials in the i element of the purchased salt, in %; R MBi is the proportion of recycled materials in the i element of the self-produced salt, in %; R Pi It is the proportion of recycled materials in element i of the self-produced positive electrode material raw materials, in %.

6. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 5, characterized in that: The production material data also includes: the mass of the i element of the purchased salt used in the production of the self-produced positive electrode material raw material and the mass of the i element of the self-produced salt used in the production of the self-produced positive electrode material raw material; The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m MSRi is the mass of element i of the purchased salt used in the production of positive electrode raw materials, in kg; m MRi is the mass of element i of the self-produced salt used in the production of self-produced positive electrode material raw materials, in kg; i It is the proportion of purchased salt in the i element of all salts used in the production of self-produced positive electrode material raw materials, in %.

7. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 5, characterized in that: The production material data also includes: the mass of element i in the purchased salt used in the production of self-produced positive electrode material raw materials, the recovery rate of element i from all salts to self-produced positive electrode material raw materials, the mass of element i in the black powder used in the production of self-produced salt, the mass of element i in the purchased materials used in the production of self-produced salt, the recovery rate of element i from black powder to self-produced salt, and the mass of element i in the self-produced positive electrode material raw materials obtained from production; The proportion of purchased salt in the element i of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m MSRi is the mass of element i of the purchased salt used in the production of the self-produced positive electrode material raw material, in kg; v 2i is the recovery rate of the i element from all salts to the self-produced positive electrode material raw materials, in %; m EPi The mass of element i in the self-produced positive electrode material raw material produced, in kg; The proportion of self-produced salt in the i element of all salts used in the production of self-produced positive electrode material raw materials can be expressed as: In the formula, m Bi is the mass of element i of the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; v 1i is the recovery rate of the i element from black powder to self-produced salt, in %.

8. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 6, characterized in that: The production material data also includes: the mass of element i in the black powder used in producing the self-produced salt, the mass of element i in the purchased materials used in producing the self-produced salt, and the proportion of recycled materials in element i in the purchased materials; The proportion of recycled materials in the i element of the self-produced salt can be expressed as: In the formula, m Bi is the mass of element i in the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; R MSCi is the proportion of recycled materials in the i element of the purchased materials, in %; R MBi is the proportion of recycled materials in element i of the self-produced salt, in %.

9. The method for calculating the proportion of recycled materials based on RMS according to claim 7, characterized in that: The production material data also includes: the mass of element i in the black powder used in producing the self-produced salt, the mass of element i in the purchased materials used in producing the self-produced salt, and the proportion of recycled materials in element i in the purchased materials; The proportion of recycled materials in the i element of the self-produced salt can be expressed as: In the formula, m Bi is the mass of element i in the black powder used in the production of self-produced salt, in kg; m MSCi is the mass of element i in the purchased material used in the production of self-produced salt, in kg; R MSCi is the proportion of recycled materials in the i element of the purchased materials, in %; R MBi is the proportion of recycled materials in element i of the self-produced salt, in %.

10. The method for calculating the proportion of recycled materials based on RMS according to any one of claims 1 to 9, characterized in that: The production material data also includes: the proportion of purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, the proportion of recycled materials in the i element of the purchased positive electrode material raw materials, and the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials; According to the production material data, the proportion of recycled materials in the i element of the self-produced positive electrode material raw material and the preset calculation formula for the proportion of recycled materials in the i element of the self-produced positive electrode material, the proportion of recycled materials in the i element of the self-produced positive electrode material is obtained; Among them, all positive electrode material raw materials used in the production of self-produced positive electrode materials include self-produced positive electrode material raw materials and purchased positive electrode material raw materials.

11. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 10, characterized in that: The calculation formula for the proportion of i-element recycled materials of self-produced positive electrode materials is: R Ci =R Pi *(1-x i )+R Wi *x i ; In the formula, x i is the proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wi R is the proportion of recycled materials in the i element of the purchased positive electrode material raw material, in %; Pi R is the proportion of recycled materials in the i element of the self-produced positive electrode material raw material, in %; Ci It is the proportion of i element recycled materials in the self-produced positive electrode material.

12. The method for calculating the proportion of recycled materials based on RMS according to claim 11, characterized in that: The production material data also includes: the mass of the i element of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material and the mass of the i element of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material; The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as: In the formula, m PSi is the mass of the i element of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; m Pi is the mass of element i of the self-produced positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; x i It is the proportion of purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %.

13. The method for calculating the proportion of recycled materials based on RMS according to claim 11, characterized in that: The production material data also includes: the mass of the i element of the purchased positive electrode material raw materials used in the production of the self-produced positive electrode material, the recovery rate of the i element from all the self-produced positive electrode material raw materials to the self-produced positive electrode material, and the mass of the i element of the self-produced positive electrode material obtained by production; The proportion of the purchased positive electrode material raw materials in the i element of all the positive electrode material raw materials used in the production of the self-produced positive electrode material can be expressed as: In the formula, m PSi is the mass of element i of the purchased positive electrode material raw material used in the production of the self-produced positive electrode material, in kg; v 3i is the recovery rate of the i element from the self-produced positive electrode material raw material to the self-produced positive electrode material, in %; m ECi It is the mass of element i of the self-produced positive electrode material produced, in kg.

14. The method for calculating the proportion of recycled materials based on RMS according to any one of claims 11 to 13, characterized in that: The production material data also includes: the proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of batteries, the proportion of recycled materials in the i element of the purchased positive electrode materials, and the proportion of self-produced positive electrode materials in the i element of all positive electrode materials used in the production of batteries; According to the production material data, the proportion of recycled materials in the i element of the self-produced positive electrode material and the preset calculation formula for the proportion of recycled materials in the i element of the battery, the proportion of recycled materials in the i element of the battery is obtained; Among them, all the positive electrode materials used in the production of the battery include self-produced positive electrode materials and purchased positive electrode materials.

15. The method for calculating the proportion of recycled materials based on RMS as claimed in claim 14, characterized in that: The calculation formula for the proportion of recycled materials of element i in the battery can be expressed as: R i =R Ci *(1-zi)+R CSi *z i ; In the formula, z i is the proportion of the purchased positive electrode material in the i element of all the positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSi R is the proportion of recycled materials in the i element of the purchased positive electrode material, in %; Ci is the proportion of recycled materials in the i element of the self-produced positive electrode material, in %; R i is the proportion of recycled materials in the i element of the battery.

16. The method for calculating the proportion of recycled materials based on RMS according to claim 15, characterized in that: The production material data also includes: the quality of the i element of the purchased positive electrode material used in the production of the battery and the quality of the i element of the self-produced positive electrode material used in the production of the battery; The proportion of the purchased positive electrode material in the i element of all positive electrode materials used in the production of the battery can be expressed as: In the formula, m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; m Ci is the mass of element i of the self-produced positive electrode material used in the production of the battery, in kg; z i It is the proportion of purchased positive electrode materials in the i element of all positive electrode materials used in the production of the battery, in %.

17. The method for calculating the proportion of recycled materials based on RMS according to claim 15, characterized in that: The production material data also includes: the mass of the i element of the purchased positive electrode material used in the production of the battery, the recovery rate of the i element from all the positive electrode materials to the battery, and the mass of the i element of the produced battery; The proportion of the purchased positive electrode material in the i element of all positive electrode materials used in the production of the battery can be expressed as: In the formula, m CSi is the mass of element i of the purchased positive electrode material used in the production of the battery, in kg; v 4i is the recovery rate of the i element from all positive electrode materials to the battery, in %; m Ei is the mass of element i of the produced battery, in kg.

18. The method for calculating the proportion of recycled materials based on RMS according to claim 11, characterized in that: The production material data also includes: the proportion of recycled raw material j in the i element of the purchased positive electrode material raw material and the proportion of recycled raw material j in the i element of the self-produced positive electrode material raw material; j is waste battery or waste process material; According to the production material data and the preset calculation formula for the proportion of recycled raw material j in element i of the self-produced positive electrode material, the proportion of recycled raw material j in element i of the self-produced positive electrode material is obtained; The calculation formula for the proportion of recycled raw material j in element i of the self-produced positive electrode material is: R Cij =R Pij *(1-x i )+R Wij *x i ; In the formula, x i is the proportion of the purchased positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; (1-x i ) is the proportion of self-produced positive electrode material raw materials in the i element of all positive electrode material raw materials used in the production of self-produced positive electrode materials, in %; R Wij R is the proportion of recycled raw material j in element i of the purchased positive electrode material, in %; Pij R is the proportion of recycled raw material j in element i of the self-produced positive electrode material raw material, in %; Cij is the proportion of recycled raw material j in element i of the self-produced positive electrode material.

19. The method for calculating the proportion of recycled materials based on RMS according to claim 14, characterized in that: The production material data also includes: the proportion of recycled raw material j in element i of purchased positive electrode materials and the proportion of recycled raw material j in element i of self-produced positive electrode materials; j is waste battery or waste process material; The calculation formula for the proportion of recycled raw materials j in the i element of the battery can be expressed as: R ij =R Cij *(1-z i )+R CSij *z i ; In the formula, z i is the proportion of the purchased positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; (1-z i ) is the proportion of self-produced positive electrode material in the i element of all positive electrode materials used in the production of the battery, in %; R CSij R is the proportion of recycled raw material j in element i of the purchased positive electrode material, in %; Cij is the proportion of recycled raw material j in element i of the self-produced positive electrode material, in %; R ij is the proportion of recycled raw material j in element i of the battery.

20. A recycled material traceability method based on RMS, characterized in that: include: Based on the RMS-based recycled material proportion calculation method as described in any one of claims 1 to 19, the recycled material is traced according to the BTB; Among them, the traceability of recycled materials according to BTB includes: The recycled materials are traced by coding according to the operations before the leaching process of the production process, traced by time period according to the leaching process, and traced by batches according to the operations after the leaching process.

21. The RMS-based recycled material traceability method according to claim 20, characterized in that: include: The coding traceability means that each waste battery, waste process material, black powder or purchased material is coded, and the coding includes element composition information, element weight information and recycled material ratio information; the coding is entered into the system; The time period traceability refers to marking both self-produced salt and purchased salt according to the time period and generating a corresponding time period code, wherein the time period code includes the element composition information, element weight information and recycled material proportion information of the time period; and entering the time period code into the system; The batch traceability refers to establishing a batch code for each batch of self-produced positive electrode material raw materials, purchased positive electrode material raw materials, self-produced positive electrode materials, purchased positive electrode materials or batteries; the batch code contains element composition information, element weight information and recycled material ratio information; the batch code is entered into the system.

22. The RMS-based recycled material traceability method according to claim 21, characterized in that: include: Establish a purchased commodity traceability code for the purchased commodity, the purchased commodity traceability code includes the purchased commodity information code and the raw material information used in the production of the purchased commodity, and enter the purchased commodity traceability code into the system; The purchased commodity is the purchased material, the purchased salt, the purchased cathode material raw material or the purchased cathode material; The purchased commodity information code is the purchased material code, the purchased salt time period code, the purchased positive electrode material raw material batch code or the purchased positive electrode material batch code; The raw material information used in producing the purchased goods includes the traceability code of each raw material used in producing the purchased goods and the usage amount information of the corresponding raw material; The purchased product traceability code is the purchased material traceability code, the purchased salt traceability code, the purchased positive electrode raw material traceability code or the purchased positive electrode material traceability code.

23. The RMS-based recycled material traceability method according to claim 21 or 22, characterized in that: include: On the production line, after the self-produced product is produced through the corresponding process, a self-produced product traceability code is established for the self-produced product according to the processing process. The self-produced product traceability code includes the self-produced product information code and the raw material information used in the production of the self-produced product, and the self-produced product traceability code is entered into the system; The self-produced product is the black powder, the self-produced salt, the self-produced positive electrode material raw material, the self-produced positive electrode material or the battery; The self-produced product information code is the waste battery code, the waste process material code, the black powder code, the purchased material code, the self-produced salt time period code, the purchased salt time period code, the self-produced positive electrode material raw material batch code, the purchased positive electrode material raw material batch code, the self-produced positive electrode material batch code, the purchased positive electrode material batch code or the battery batch code; The raw material information used in producing the self-produced product includes the traceability code of each raw material used in producing the self-produced product and the usage amount information of the corresponding raw material.

24. The RMS-based recycled material traceability method according to claim 23, characterized in that: include: Determine the self-produced products for which the recycled material ratio or recycled material traceability needs to be calculated; Obtain the traceability code of the self-produced product; According to the traceability code of the self-produced product, the proportion information of recycled materials in the self-produced product or the source information of the recycled materials is obtained.

25. A recycled material ratio calculation device based on RMS, characterized in that: include: Data collection unit and recycled material ratio calculation unit; among which, The data collection unit is used to collect production material data used in the RMS-based recycled material ratio calculation method according to any one of claims 1 to 19 within a preset collection period; The recycled material ratio calculation unit calculates the recycled material ratio based on the production material data collected by the data collection unit and the calculation formula in the RMS-based recycled material ratio calculation method as described in any one of claims 1 to 19.

26. A recycled material traceability device based on RMS, characterized in that: include: Traceability unit; The traceability unit is used to trace the recycled material based on the RMS-based recycled material traceability method as described in any one of claims 20-24.

27. An electronic device, characterized in that: One or more processors; a memory having one or more programs stored thereon, which, when executed by the one or more programs, enable the one or more processors to implement the steps of the RMS-based recycled material proportion calculation method as described in any one of claims 1 to 19 or the steps of the RMS-based recycled material traceability method as described in any one of claims 20 to 24.

28. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the recycled material proportion calculation method based on RMS as described in any one of claims 1 to 19 or the steps of the recycled material traceability method based on RMS as described in any one of claims 20 to 24 are implemented.

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