A method, system and storage medium for evaluating electrolyte recovery of power lithium battery

Abstract

The present invention relates to the technical field of battery recycling, and is a method, system and storage medium for evaluating the electrolyte recycling of power lithium batteries. The specific method comprises: collecting initial state data of the electrolyte in the electrolyte recycling storage tank of the waste power lithium battery; evaluating and calculating the recoverable rate of the electrolyte; according to the recoverable rate of the electrolyte, performing impurity separation and purification treatment on the electrolyte determined to be recoverable, and evaluating the recovery quality of the purified electrolyte; integrating and evaluating the comprehensive value coefficient of the electrolyte recycling process according to the recoverable rate obtained by the evaluation before the electrolyte recycling and the recovery quality obtained by the evaluation after the electrolyte recycling; real-time monitoring of key value influencing factors in the electrolyte recycling process, and targeted optimization of the battery recycling process; the present invention solves the problems in the prior art that the recovery quality and purity of the electrolyte in the battery electrolyte recycling process are low and the electrolyte recycling treatment method with different recovery values ​​is single.

Description

Technical Field

[0001] The present invention relates to the technical field of battery recycling, and is a method, system and storage medium for evaluating the recovery of electrolyte of a power lithium battery. Background Art

[0002] Battery electrolyte is an important component of the waste battery recycling and disposal system. It may contain harmful substances such as heavy metals and organic compounds, which require special treatment to prevent environmental pollution and health risks. In the existing battery recycling process, the quality and purity of the electrolyte in the battery electrolyte recycling process are low. At the same time, there are many types of waste lithium batteries, and different lithium batteries have different recycling values ​​and require different treatment methods. Therefore, in the waste battery recycling and disposal system, the treatment of electrolyte is an aspect that needs to be focused on and improved.

[0003] In the existing disclosed invention technologies, for example, a Chinese patent with publication number CN1 13745685A discloses a waste battery recycling and disposal system and process thereof, wherein the system comprises: a waste lithium battery cascade utilization production line, which screens, disassembles, and capacity tests waste lithium batteries, and packs and assembles lithium-ion single cells that can be recycled; the waste lithium battery cascade utilization production line comprises a waste lithium battery disassembly system, a capacity separation system, and a pack reassembly system; a waste lithium battery resource recovery production line, which recycles lithium-ion single cells that cannot be recycled and waste lithium-ion single cells generated during the operation of the waste lithium battery cascade utilization production line; and a hazardous waste incineration disposal system, which incinerates hazardous wastes generated during the operation of the waste lithium battery cascade utilization production line and the waste lithium battery resource recovery production line.

[0004] The above patent does not take into account the wide variety of waste lithium batteries. Different lithium batteries have different recycling values ​​and require different treatment methods. There is a problem of incomplete battery recycling and treatment in the technical background. Summary of the invention

[0005] The technical problem to be solved by the present invention is to address the problems in the prior art that the recovery quality and purity of the electrolyte in the battery electrolyte recycling process are low and the electrolyte recycling treatment method with different recovery values ​​is single. A method, system and storage medium for evaluating the electrolyte recycling of power lithium batteries are proposed.

[0006] In order to achieve the above object, the technical solution of a method for evaluating the recovery of electrolyte of a power lithium battery of the present invention comprises the following steps:

[0007] S1: Collecting the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery;

[0008] S2: Multiple component analysis monitoring points are evenly set in each area of ​​the electrolyte recovery storage tank, the electrolyte component data of each component analysis monitoring point is obtained, the electrolyte component data is imported into the recyclable component ratio verification strategy, and the recyclability of the electrolyte is evaluated and calculated;

[0009] S3: Based on the recovery rate of the electrolyte, the electrolyte that is determined to be recoverable is subjected to impurity separation and purification treatment, and the recovery quality of the purified electrolyte is evaluated;

[0010] S4: Based on the recyclability obtained by the evaluation before the electrolyte recycling and the recycling quality obtained by the evaluation after the electrolyte recycling, the comprehensive value coefficient of this electrolyte recycling process is evaluated;

[0011] S5: Based on the comprehensive value coefficient, real-time monitoring of key value influencing factors in the electrolyte recovery process is carried out, and targeted optimization of the battery recovery process is carried out.

[0012] Specifically, in S1, the initial state data of the electrolyte includes: proportion data of different types of organic solvents in the electrolyte, electrolyte concentration data, electrolyte content data and solute concentration data.

[0013] Specifically, in S2, the strategy for importing electrolyte composition data into the recyclable component ratio verification is as follows:

[0014] S21: Obtain electrolyte composition data at each component analysis monitoring point. Two adjacent component analysis monitoring points automatically become a component control group, where the component data set in the electrolyte monitored by the two component analysis monitoring points is U = {u1, u2...u i ...u I} and V = {v1, v2...v j ...v J}, where u i is the proportion of the i-th component in the electrolyte in the monitoring area of ​​the first component analysis monitoring point, and I is the total number of component types in the electrolyte monitored by the first component analysis monitoring point; v j is the proportion of the jth component in the electrolyte in the monitoring area of ​​the second component analysis monitoring point, and J is the total number of component types in the electrolyte monitored by the second component analysis monitoring point;

[0015] S22: Importing the component data in the control group into the electrolyte component confirmation value calculation strategy to obtain the electrolyte component confirmation value; the electrolyte component confirmation value calculation strategy is: Among them, α1 and α2 are the mixing ratio coefficient of the electrolyte at the first component analysis monitoring point and the mixing ratio coefficient of the second component analysis monitoring point respectively;

[0016] S23: Determine the composition data of the electrolyte in the area monitored by the composition analysis monitoring point according to the confirmed value of the electrolyte composition;

[0017] When S≥S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∪V;

[0018] When S<S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∩V;

[0019] Among them, S0 is the electrolyte composition confirmation threshold;

[0020] ∪, ∩ are the symbols for union and intersection respectively.

[0021] Specifically, in S2, the calculation strategy of the recovery rate η of the electrolyte is as follows:

[0022]

[0023] Among them, f() represents the number of data contained in the data set;

[0024] W0 is the target recycling component dataset in the electrolyte recycling process in the battery recycling plant.

[0025] Specifically, in S3, the impurity separation and purification treatment of the electrolyte determined to be recyclable according to the recyclability of the electrolyte includes:

[0026] S31: extracting the recoverable rate η of the electrolyte calculated in S2;

[0027] S32: judging whether to continue the battery recycling process according to the recyclability rate η of the electrolyte;

[0028] The judging steps are as follows:

[0029] When η≥1, the judgment result is to continue recycling, and the electrolyte continues to be separated from impurities and purified;

[0030] When η<1, the judgment result is to suspend recycling, mix the recyclable components in the electrolyte with other electrolytes for utilization, or further purify the residual recyclable components in the electrolyte.

[0031] Specifically, in S3, the specific evaluation strategy for evaluating the recovery quality of the purified electrolyte is as follows:

[0032] S33: Determine the types of different compounds and chemical bonds in the electrolyte by mass spectrometry analysis;

[0033] S34: Separating different compounds in the electrolyte by gas chromatography to obtain the contents of the different compounds in the electrolyte;

[0034] S35: Combine gas chromatography and mass spectrometry to evaluate the quality of the purified electrolyte recovery;

[0035]

[0036] Wherein, θ is the recovered quality of the purified electrolyte; Z is the total number of different compounds in the electrolyte determined by mass spectrometry analysis;

[0037] C z , are the actual content and target content of the zth compound in the purified electrolyte, respectively;

[0038] B z , are the actual number of chemical bond types and the target number of chemical bond types of the zth compound in the purified electrolyte, respectively;

[0039] β1 and β2 are the quality influencing factors related to the content of compounds in the electrolyte and the quality influencing factors related to the type of chemical bonds, respectively.

[0040] Specifically, in S4, the integrated evaluation strategy of the comprehensive value coefficient of the electrolyte recovery process is as follows:

[0041] K = (μ1 × η + μ2 × θ) × M;

[0042] Among them, μ1, μ2 are value error factors, μ1+μ2=1;

[0043] K is the comprehensive value coefficient of the electrolyte recovery process; M is the investment cost data of a single electrolyte recovery process in the battery recycling plant.

[0044] In addition, the electrolyte recovery and evaluation system of a power lithium battery of the present invention includes the following modules:

[0045] Specifically, data collection module, recycling rate assessment module, recycling quality assessment module, comprehensive value coefficient fusion assessment module, recycling process optimization module;

[0046] The data acquisition module is used to collect the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery;

[0047] The recyclability evaluation module is used to evenly set multiple component analysis monitoring points in various areas of the electrolyte recovery storage tank, obtain electrolyte component data at each component analysis monitoring point, import the electrolyte component data into the recyclable component ratio verification strategy, and evaluate and calculate the recyclability of the electrolyte;

[0048] The recycling quality assessment module performs impurity separation and purification on the electrolyte determined to be recyclable according to the recyclability of the electrolyte, and performs recycling quality assessment on the purified electrolyte;

[0049] The comprehensive value coefficient fusion evaluation module integrates and evaluates the comprehensive value coefficient of the electrolyte recovery process according to the recyclability obtained by the evaluation before the electrolyte recovery and the recovery quality obtained by the evaluation after the electrolyte recovery;

[0050] The recycling process optimization module monitors the key value influencing factors in the electrolyte recycling process in real time according to the comprehensive value coefficient, and optimizes the battery recycling process in a targeted manner.

[0051] A storage medium stores instructions, and when a computer reads the instructions, the computer executes the electrolyte recovery and evaluation method for a power lithium battery.

[0052] An electronic device comprises a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the above-mentioned electrolyte recovery and evaluation method for a power lithium battery when executing the computer program.

[0053] Compared with the prior art, the technical effects of the present invention are as follows:

[0054] 1. The present invention can ensure that the quality of the recovered electrolyte reaches a certain standard by performing component analysis monitoring and recoverability evaluation on the electrolyte, and can effectively improve the efficiency and quality of recycling the electrolyte of waste power lithium batteries.

[0055] 2. The present invention calculates and evaluates the comprehensive value coefficient and conducts a comprehensive evaluation during the electrolyte recovery process, which can better grasp the comprehensive value of the treatment process and is conducive to a comprehensive evaluation of the benefits of the entire recovery process.

[0056] 3. The present invention monitors the key value influencing factors in the electrolyte recovery process in real time, and optimizes the battery recovery process in a targeted manner, which is beneficial to improving the efficiency and economy of the recovery process, realizing the efficient recovery and resource utilization of the electrolyte in the battery recovery process, and is beneficial to reducing resource waste and environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0058] in:

[0059] Figure 1 A schematic diagram of a flow chart of a method for evaluating electrolyte recovery of a power lithium battery of the present invention;

[0060] Figure 2 It is a structural schematic diagram of an electrolyte recovery and evaluation system for a power lithium battery of the present invention; DETAILED DESCRIPTION

[0061] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0062] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0063] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0064] Embodiment 1:

[0065] like Figure 1 As shown, a method for evaluating the recovery of electrolyte of a power lithium battery according to an embodiment of the present invention is as follows: Figure 1 As shown, the specific steps are as follows:

[0066] Take a male business traveler as an example, and conduct real-time monitoring of the hygiene status of the room during his stay in the smart hotel. The specific steps are as follows:

[0067] S1: Collecting the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery;

[0068] In S1, the initial state data of the electrolyte includes: proportion data of different types of organic solvents in the electrolyte, electrolyte concentration data, electrolyte content data and solute concentration data.

[0069] S2: Multiple component analysis monitoring points are evenly set in each area of ​​the electrolyte recovery storage tank, the electrolyte component data of each component analysis monitoring point is obtained, the electrolyte component data is imported into the recyclable component ratio verification strategy, and the recyclability of the electrolyte is evaluated and calculated;

[0070] In S2, the strategy for importing electrolyte composition data into the recyclable component ratio verification is as follows:

[0071] S21: Obtain electrolyte composition data at each component analysis monitoring point. Two adjacent component analysis monitoring points automatically become a component control group, where the component data set in the electrolyte monitored by the two component analysis monitoring points is U = {u1, u2...u i ...u I} and V = {v1, v2...v j ...v J}, where u i is the proportion of the i-th component in the electrolyte in the monitoring area of ​​the first component analysis monitoring point, and I is the total number of component types in the electrolyte monitored by the first component analysis monitoring point; v j is the proportion of the jth component in the electrolyte in the monitoring area of ​​the second component analysis monitoring point, and J is the total number of component types in the electrolyte monitored by the second component analysis monitoring point;

[0072] S22: Importing the component data in the control group into the electrolyte component confirmation value calculation strategy to obtain the electrolyte component confirmation value; the electrolyte component confirmation value calculation strategy is: Among them, α1 and α2 are the mixing ratio coefficient of the electrolyte at the first component analysis monitoring point and the mixing ratio coefficient of the second component analysis monitoring point respectively;

[0073] S23: Determine the composition data of the electrolyte in the area monitored by the composition analysis monitoring point according to the confirmed value of the electrolyte composition;

[0074] When S≥S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∪V;

[0075] When S<S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∩V;

[0076] Among them, S0 is the electrolyte composition confirmation threshold;

[0077] ∪, ∩ are the symbols for union and intersection respectively.

[0078] In S2, the calculation strategy of the recovery rate η of the electrolyte is as follows:

[0079]

[0080] Among them, f() represents the number of data contained in the data set;

[0081] W0 is the target recycling component dataset in the electrolyte recycling process in the battery recycling plant.

[0082] S3: Based on the recovery rate of the electrolyte, the electrolyte that is determined to be recoverable is subjected to impurity separation and purification treatment, and the recovery quality of the purified electrolyte is evaluated;

[0083] In S3, the step of separating and purifying the electrolyte determined to be recyclable according to the recyclability of the electrolyte includes:

[0084] S31: extracting the recoverable rate η of the electrolyte calculated in S2;

[0085] S32: judging whether to continue the battery recycling process according to the recyclability rate η of the electrolyte;

[0086] The judging steps are as follows:

[0087] When η≥1, the judgment result is to continue recycling, and the electrolyte continues to be separated from impurities and purified;

[0088] When η<1, the judgment result is to suspend recycling, mix the recyclable components in the electrolyte with other electrolytes for utilization, or further purify the residual recyclable components in the electrolyte.

[0089] In S3, the specific evaluation strategy for evaluating the recovery quality of the purified electrolyte is as follows:

[0090] S33: Determine the types of different compounds and chemical bonds in the electrolyte by mass spectrometry analysis;

[0091] S34: Separating different compounds in the electrolyte by gas chromatography to obtain the contents of the different compounds in the electrolyte;

[0092] S35: Combine gas chromatography and mass spectrometry to evaluate the quality of the purified electrolyte recovery;

[0093]

[0094] Wherein, θ is the recovered quality of the purified electrolyte; Z is the total number of different compounds in the electrolyte determined by mass spectrometry analysis;

[0095] C z , are the actual content and target content of the zth compound in the purified electrolyte, respectively;

[0096] B z , are the actual number of chemical bond types and the target number of chemical bond types of the zth compound in the purified electrolyte, respectively;

[0097] β1 and β2 are the quality influencing factors related to the content of compounds in the electrolyte and the quality influencing factors related to the type of chemical bonds, respectively.

[0098] S4: Based on the recyclability obtained by the evaluation before the electrolyte recycling and the recycling quality obtained by the evaluation after the electrolyte recycling, the comprehensive value coefficient of this electrolyte recycling process is evaluated;

[0099] In S4, the integrated evaluation strategy of the comprehensive value coefficient of the electrolyte recovery process is as follows:

[0100] K = (μ1 × η + μ2 × θ) × M;

[0101] Among them, μ1, μ2 are value error factors, μ1+μ2=1;

[0102] K is the comprehensive value coefficient of the electrolyte recovery process; M is the investment cost data of a single electrolyte recovery process in the battery recycling plant.

[0103] S5: Based on the comprehensive value coefficient, real-time monitoring of key value influencing factors in the electrolyte recovery process is carried out, and targeted optimization of the battery recovery process is carried out.

[0104] Embodiment 2:

[0105] like Figure 2 As shown, an electrolyte recovery and evaluation system for a power lithium battery according to an embodiment of the present invention is as follows: Figure 2 As shown, it includes the following modules:

[0106] Data collection module, recycling rate assessment module, recycling quality assessment module, comprehensive value coefficient fusion assessment module, recycling process optimization module;

[0107] The data acquisition module is used to collect the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery;

[0108] The recyclability evaluation module is used to evenly set multiple component analysis monitoring points in various areas of the electrolyte recovery storage tank, obtain electrolyte component data at each component analysis monitoring point, import the electrolyte component data into the recyclable component ratio verification strategy, and evaluate and calculate the recyclability of the electrolyte;

[0109] The recycling quality assessment module performs impurity separation and purification on the electrolyte determined to be recyclable according to the recyclability of the electrolyte, and performs recycling quality assessment on the purified electrolyte;

[0110] The comprehensive value coefficient fusion evaluation module integrates and evaluates the comprehensive value coefficient of the electrolyte recovery process according to the recyclability obtained by the evaluation before the electrolyte recovery and the recovery quality obtained by the evaluation after the electrolyte recovery;

[0111] The recycling process optimization module monitors the key value influencing factors in the electrolyte recycling process in real time according to the comprehensive value coefficient, and optimizes the battery recycling process in a targeted manner.

[0112] Embodiment three:

[0113] This embodiment provides an electronic device, including: a processor and a memory, wherein the memory stores a computer program that can be called by the processor;

[0114] The processor executes the above-mentioned electrolyte recovery evaluation method for a power lithium battery by calling a computer program stored in the memory.

[0115] The electronic device may have relatively large differences due to different configurations or performances, and may include one or more processors (Central Processing Units, CPU) and one or more memories, wherein the memory stores at least one computer program, which is loaded and executed by the processor to implement a method for evaluating the recovery of electrolyte of a power lithium battery provided in the above method embodiment. The electronic device may also include other components for realizing the functions of the device, for example, the electronic device may also have components such as a wired or wireless network interface and an input and output interface, so as to input and output data. This embodiment will not be described in detail here.

[0116] Embodiment 4:

[0117] This embodiment provides a computer-readable storage medium having a rewritable computer program stored thereon;

[0118] When the computer program runs on a computer device, the computer device executes the above-mentioned electrolyte recovery evaluation method for a power lithium battery.

[0119] For example, the computer readable storage medium can be a read-only memory (ROM), a random access memory (RAM), a compact disc (CD-ROM), a magnetic tape, a floppy disk, an optical data storage device, etc.

[0120] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0121] It should be understood that determining B based on A does not mean determining B only based on A. B can also be determined based on A and / or other information.

[0122] The above embodiments can be implemented in whole or in part by software, hardware, firmware or any other combination. When implemented by software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When a computer instruction or computer program is loaded or executed on a computer, a process or function according to an embodiment of the present invention is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. Computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center through a wired network or / and a wireless network. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (for example, a floppy disk, a hard disk, a tape), an optical medium (for example, a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state hard disk.

[0123] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed in the present invention can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0124] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0125] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of units is only one, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0126] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0127] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0128] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0129] In summary, compared with the prior art, the technical effects of the present invention are as follows:

[0130] 1. The present invention can ensure that the quality of the recovered electrolyte reaches a certain standard by performing component analysis monitoring and recoverability evaluation on the electrolyte, and can effectively improve the efficiency and quality of recycling the electrolyte of waste power lithium batteries.

[0131] 2. The present invention calculates and evaluates the comprehensive value coefficient and conducts a comprehensive evaluation during the electrolyte recovery process, which can better grasp the comprehensive value of the treatment process and is conducive to a comprehensive evaluation of the benefits of the entire recovery process.

[0132] 3. The present invention monitors the key value influencing factors in the electrolyte recovery process in real time, and optimizes the battery recovery process in a targeted manner, which is beneficial to improving the efficiency and economy of the recovery process, realizing the efficient recovery and resource utilization of the electrolyte in the battery recovery process, and is beneficial to reducing resource waste and environmental pollution.

[0133] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A method for evaluating the recovery of electrolyte of a power lithium battery, characterized in that: The method comprises the following specific steps: S1: Collecting the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery; S2: Multiple component analysis monitoring points are evenly set in each area of ​​the electrolyte recovery storage tank, the electrolyte component data of each component analysis monitoring point is obtained, the electrolyte component data is imported into the recyclable component ratio verification strategy, and the recyclability of the electrolyte is evaluated and calculated; S3: Based on the recovery rate of the electrolyte, the electrolyte that is determined to be recoverable is subjected to impurity separation and purification treatment, and the recovery quality of the purified electrolyte is evaluated; S4: Based on the recyclability obtained by the evaluation before the electrolyte recycling and the recycling quality obtained by the evaluation after the electrolyte recycling, the comprehensive value coefficient of this electrolyte recycling process is evaluated; S5: Based on the comprehensive value coefficient, real-time monitoring of key value influencing factors in the electrolyte recovery process is carried out, and targeted optimization of the battery recovery process is carried out; In S2, the strategy for importing electrolyte composition data into the recyclable component ratio verification is as follows: S21: Obtain electrolyte composition data at each component analysis monitoring point. Two adjacent component analysis monitoring points automatically become a component control group, where the component data set in the electrolyte monitored by the two component analysis monitoring points is U = {u1, u2...u i ...u I } and V={v1,v2...v j ...v J }, where u i is the proportion of the i-th component in the electrolyte in the monitoring area of ​​the first component analysis monitoring point, and I is the total number of component types in the electrolyte monitored by the first component analysis monitoring point; v j is the proportion of the jth component in the electrolyte in the monitoring area of ​​the second component analysis monitoring point, and J is the total number of component types in the electrolyte monitored by the second component analysis monitoring point; S22: Importing the component data in the control group into the electrolyte component confirmation value calculation strategy to obtain the electrolyte component confirmation value; the electrolyte component confirmation value calculation strategy is: Among them, α1 and α2 are the mixing ratio coefficients of the electrolyte at the first component analysis monitoring point and the mixing ratio coefficients of the second component analysis monitoring point, respectively; S23: Determine the composition data of the electrolyte in the area monitored by the composition analysis monitoring point according to the confirmed value of the electrolyte composition; When S≥S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∪V; When S<S0, the confirmed composition data W of the electrolyte in the area monitored by the component analysis monitoring point is: W=U∩V; Among them, S0 is the electrolyte composition confirmation threshold; ∪,∩ are the symbols of union and intersection respectively; In S2, the calculation strategy of the recovery rate η of the electrolyte is as follows: Among them, f() represents the number of data contained in the data set; W0 is the target recycling component dataset in the electrolyte recycling process in the battery recycling plant; In S3, the step of separating and purifying the electrolyte determined to be recyclable according to the recyclability of the electrolyte includes: S31: extracting the recoverable rate η of the electrolyte calculated in S2; S32: judging whether to continue the battery recycling process according to the recyclability rate η of the electrolyte; The judgment steps are as follows: When η≥1, the judgment result is to continue recycling, and the electrolyte continues to be separated from impurities and purified; When η<1, the judgment result is to suspend recycling and separate the recyclable components in the electrolyte from other electrolytes. Liquid mixing or further purification of the residual recyclable components in the electrolyte; In S3, the specific evaluation strategy for evaluating the recovery quality of the purified electrolyte is as follows: S33: Determine the types of different compounds and chemical bonds in the electrolyte by mass spectrometry analysis; S34: Separating different compounds in the electrolyte by gas chromatography to obtain the contents of the different compounds in the electrolyte; S35: Combine gas chromatography and mass spectrometry to evaluate the quality of the purified electrolyte recovery; Wherein, θ is the recovered quality of the purified electrolyte; Z is the total number of different compounds in the electrolyte determined by mass spectrometry analysis; C z , are the actual content and target content of the zth compound in the purified electrolyte, respectively; B z ,B z 0 are the actual number of chemical bond types and the target number of chemical bond types of the zth compound in the purified electrolyte, respectively; β1 and β2 are the quality influencing factors related to the content of compounds in the electrolyte and the quality influencing factors related to the types of chemical bonds, respectively; In S4, the integrated evaluation strategy of the comprehensive value coefficient of the electrolyte recovery process is as follows: K = (μ1×η+μ2×θ)×M; Among them, μ1, μ2 are value error factors, μ1+μ2=1; K is the comprehensive value coefficient of the electrolyte recovery process; M is the investment cost data of a single electrolyte recovery process in the battery recycling plant.

2. The electrolyte recovery evaluation method for a power lithium battery according to claim 1, characterized in that: In S1, the initial state data of the electrolyte includes: proportion data of different types of organic solvents in the electrolyte, electrolyte concentration data, electrolyte content data and solute concentration data.

3. A power lithium battery electrolyte recovery evaluation system, which is implemented based on a power lithium battery electrolyte recovery evaluation method according to any one of claims 1 to 2, characterized in that: The system includes the following modules: Data collection module, recycling rate assessment module, recycling quality assessment module, comprehensive value coefficient fusion assessment module, recycling process optimization module; The data acquisition module is used to collect the initial state data of the electrolyte in the electrolyte recovery storage tank of the waste power lithium battery; The recyclability evaluation module is used to evenly set multiple component analysis monitoring points in various areas of the electrolyte recovery storage tank, obtain electrolyte component data at each component analysis monitoring point, import the electrolyte component data into the recyclable component ratio verification strategy, and evaluate and calculate the recyclability of the electrolyte; The recycling quality assessment module performs impurity separation and purification on the electrolyte determined to be recyclable according to the recyclability of the electrolyte, and performs recycling quality assessment on the purified electrolyte; The comprehensive value coefficient fusion evaluation module integrates and evaluates the comprehensive value coefficient of the electrolyte recovery process according to the recyclability obtained by the evaluation before the electrolyte recovery and the recovery quality obtained by the evaluation after the electrolyte recovery; The recycling process optimization module monitors the key value influencing factors in the electrolyte recycling process in real time according to the comprehensive value coefficient, and optimizes the battery recycling process in a targeted manner.

4. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the electrolyte recovery evaluation method for a power lithium battery as described in any one of claims 1-2 is implemented.

5. An electronic device, characterized in that: include: A memory for storing instructions; A processor is used to execute the instruction so that the device performs the operation of implementing the electrolyte recovery evaluation method of a power lithium battery as described in any one of claims 1-2.

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