Process management apparatus and method of operation thereof

Abstract

According to the embodiments disclosed in the disclosure, a process management device can include an injection device for injecting an electrolyte into a battery cell disposed in a tray, and a controller for correcting an electrolyte injection amount injected into each battery cell based on a non-operation period of the injection device and a number of trays for which injection of the electrolyte is completed after injection of the electrolyte is started.

Description

Technical Field

[0001] Cross-reference to related applications

[0002] This application claims priority and benefit to Korean Patent Application 10-2023-0175255, filed on December 6, 2023, with the Korean Intellectual Property Office, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The embodiments disclosed herein relate to process management devices and their operating methods. Background Technology

[0004] Recently, research and development on rechargeable batteries have been actively pursued. Here, a rechargeable battery is a battery capable of being charged and discharged, and can be interpreted as including all recent lithium-ion batteries, such as conventional Ni / Cd and Ni / MH batteries. Among rechargeable batteries, lithium-ion batteries can achieve higher energy densities than conventional Ni / Cd and Ni / MH batteries, and can be manufactured in a compact and lightweight manner, thus offering high availability for powering mobile devices. Recently, with its application expanding to powering electric vehicles, lithium-ion batteries have attracted attention as a next-generation energy storage medium.

[0005] The manufacturing process of secondary batteries includes an electrolyte injection process, and defects may occur due to electrolyte leakage or insufficiency if the correct amount of electrolyte is not injected during the electrolyte injection process. Summary of the Invention

[0006] Technical issues

[0007] The embodiments disclosed herein relate to providing a process management apparatus and a method of operation thereof, which prevents insufficient amounts of electrolyte injected into each battery cell.

[0008] The technical objectives of the embodiments disclosed herein are not limited to those described above, and those skilled in the art will be able to clearly understand other objectives not described from the following description.

[0009] Technical solution

[0010] According to the embodiments disclosed herein, a process management apparatus may include: an injection device configured to inject electrolyte into battery cells disposed in trays; and a controller configured to adjust the amount of electrolyte injected into each battery cell based on the non-operation time of the injection device and the number of trays after which injection has been completed since the start of electrolyte injection.

[0011] According to an implementation, when the non-operation time of the injection device is greater than or equal to a first time, the controller can perform the correction until the number of trays that have been injected reaches a preset value.

[0012] According to an embodiment, the preset value can be set to the number of trays included in one cycle of the electrolyte being injected by the injection device.

[0013] According to an embodiment, when the non-operation time of the injection device is greater than or equal to the first time and less than the second time, the controller can add a first value to the electrolyte injection amount.

[0014] According to an embodiment, when the non-operation time of the injection device is greater than or equal to a second time, the controller can correct the electrolyte injection amount based on the number of trays that have completed injection.

[0015] According to an implementation, the controller can be configured to: add a second value to the electrolyte injection amount when the number of trays that have completed injection is less than a first number; and add a third value to the electrolyte injection amount when the number of trays that have completed injection is greater than or equal to the first number and less than a preset value.

[0016] According to an embodiment, the amount of electrolyte injected to be corrected can be determined based on the non-operation time of the injection device.

[0017] According to the embodiments disclosed herein, a process management method may include: obtaining the non-operation time of an injection device configured to inject electrolyte into battery cells disposed in trays; and correcting the amount of electrolyte injected into each battery cell based on the non-operation time of the injection device and the number of trays after which injection has been completed since the start of electrolyte injection.

[0018] According to an embodiment, the step of correcting the electrolyte injection volume may include: when the non-operation time of the injection device is greater than or equal to a first time, performing the correction until the number of trays that have been injected reaches a preset value.

[0019] According to an embodiment, the step of correcting the electrolyte injection amount may include: when the non-operation time of the injection device is greater than or equal to the first time and less than the second time, adding a first value to the electrolyte injection amount.

[0020] According to an embodiment, the step of correcting the electrolyte injection amount may include: when the non-operation time of the injection device is greater than or equal to a second time, correcting the electrolyte injection amount based on the number of trays that have completed injection.

[0021] According to an implementation, the step of correcting the electrolyte injection amount may include: when the number of trays that have completed injection is less than a first number, adding a second value to the electrolyte injection amount; and when the number of trays that have completed injection is greater than or equal to the first number and less than a preset value, adding a third value to the electrolyte injection amount.

[0022] Beneficial effects

[0023] The process management apparatus and its operating method according to the embodiments disclosed herein can prevent insufficient electrolyte injection into each battery cell, thereby reducing the defect rate.

[0024] In addition, it can provide various effects that can be identified directly or indirectly through this article. Attached Figure Description

[0025] Figure 1 This is a block diagram illustrating a process management apparatus according to one embodiment disclosed herein.

[0026] Figure 2 This is a view illustrating the relationship between non-operation time and reduced injection volume according to one embodiment disclosed herein.

[0027] Figure 3 This is a view showing an example of the result of employing a correction method according to one embodiment disclosed herein.

[0028] Figure 4 This is a flowchart describing a process management method according to one embodiment disclosed herein.

[0029] Figure 5 This is a flowchart describing a process for correcting the electrolyte injection amount according to one embodiment disclosed herein.

[0030] Figure 6 This is a block diagram illustrating the hardware configuration of a computing system for performing an operation method of a process management apparatus according to one embodiment disclosed herein. Detailed Implementation

[0031] In the following description, various embodiments of the invention will be illustrated with reference to the accompanying drawings. However, it should be understood that this is not intended to limit the invention to specific embodiments, but rather to include various modifications, equivalents, and / or substitutions to the embodiments of the invention.

[0032] Unless the relevant context explicitly specifies otherwise, the singular form of the noun corresponding to an item in this document may include one or more items. In this document, each of the phrases such as “A or B,” “at least one of A and B,” “at least one of A or B,” “A, B, or C,” “at least one of A, B, and C,” and “at least one of A, B, or C” may include any one of the items listed together in the corresponding phrases or all possible combinations thereof. Terms such as “first,” “second,” “first,” or “second” may be used simply to distinguish a corresponding component from another component and do not limit the corresponding component in another respect (e.g., importance or order). When a component (e.g., first) is described as “connected” or “linked” to another component (e.g., second) (with or without the terms “functionally” or “communically”), this means that the component may be connected to the other component directly (e.g., wired), wirelessly, or via a third component.

[0033] Each component described herein (e.g., a module or program) may include a single object or multiple objects. According to various implementations, one or more of the corresponding components described above may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple components (e.g., modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the multiple components in the same or similar manner as the functions performed by the corresponding components of the multiple components prior to integration. According to various implementations, the operations performed by modules, programs, or other components may be performed sequentially, in parallel, repeatedly, or heuristically, or one or more operations may be performed in a different order or omitted, or one or more other operations may be added.

[0034] As used herein, the terms "module" or "part" may encompass units implemented in hardware, software, or firmware, and are used interchangeably with terms such as logic, logic block, component, or circuit. A module may be an integrated component, or the smallest unit of a component, or a portion thereof performing one or more functions. For example, according to one implementation, a module may be implemented as an application-specific integrated circuit (ASIC).

[0035] Various embodiments described herein can be implemented as software (e.g., a program or application) that includes one or more machine-readable commands stored in a storage medium (e.g., a memory). For example, a device's processor can retrieve at least one of the stored one or more commands from the storage medium and execute the command. This allows the device to operate to perform at least one function according to at least one retrieved command. The one or more commands may include code generated by a compiler or code that can be executed by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, "non-transitory storage medium" means a tangible device and only means that it does not include signals (e.g., electromagnetic waves), and this term does not distinguish between cases where data is stored semi-permanently and temporarily in the storage medium.

[0036] Figure 1 This is a block diagram illustrating a process management apparatus according to one embodiment disclosed herein.

[0037] refer to Figure 1 The process management device 1 may include an injection device 100 and a controller 200.

[0038] The process management device 1 can manage the process of injecting electrolyte into each battery cell during the electrolyte injection process of injecting electrolyte into the battery cell during the battery manufacturing process.

[0039] The process management device 1 can prevent defects caused by insufficient amount of electrolyte injected into the battery cell (injection amount), such as during non-operation time of the injection device 100 or when a cleaning tray is added during the electrolyte injection process.

[0040] In addition, the process management device 1 can maintain a constant and accurate injection amount into each battery cell by correcting the electrolyte injection amount.

[0041] Therefore, the process management device 1 can prevent defects caused by insufficient amount of electrolyte injected into the battery cell and increase production by reducing the defect rate in the manufacturing process.

[0042] In the electrolyte injection process, a tray is typically used to inject the electrolyte into multiple battery cells simultaneously. The tray can hold multiple battery cells for electrolyte injection. For example, multiple battery cells can be arranged in a matrix on each tray.

[0043] A tray containing battery cells can be inserted into an injection device 100 for injecting electrolyte. The injection device 100 can inject electrolyte into the battery cells disposed on the tray.

[0044] The injection device 100 may have, for example, a nozzle configured to inject electrolyte into a battery cell. The injection device 100 may include various known auxiliary devices, including a tank for storing electrolyte, a pump for supplying electrolyte from the tank to the nozzle, etc.

[0045] When a tray is added, the injection device 100 can inject electrolyte into multiple battery cells positioned on the tray. For example, each battery cell positioned on the tray may have an open upper side, and the nozzle of the injection device 100 can enter the open upper side of each battery cell to inject electrolyte into the battery cell. In this case, the injection device 100 can be configured to inject a predetermined amount of electrolyte.

[0046] The injection device 100 can be configured to inject a predetermined amount of electrolyte into each battery cell. In this case, the actual amount of electrolyte injected into the battery cell may be reduced due to electrolyte adhering to the surface of the nozzle used for injecting electrolyte, the pipes used to supply electrolyte from the storage tank, etc.

[0047] Typically, nozzles, pipes, etc., are made of materials such as metal, and as the non-operation time of the injection device 100 increases, its surface dries, increasing electrolyte adhesion and potentially further reducing the amount of electrolyte injected into the battery cell. In this case, the amount of electrolyte injected into the battery cell may be insufficient, leading to defects.

[0048] Therefore, the process management device 1 can adjust the electrolyte injection amount based on the non-operation time of the injection device 100. In one embodiment, the controller 200 can adjust the electrolyte injection amount differently depending on the non-operation time of the injection device 100.

[0049] The controller 200 can perform overall control of the injection operation of the injection device 100. The controller 200 can correct the amount of electrolyte injected from the injection device 100 into the battery cell.

[0050] According to an implementation, the controller 200 can adjust the electrolyte injection amount based on the non-operation time of the injection device 100 and the number of trays that have completed injection after the start of electrolyte injection.

[0051] The controller 200 can acquire the non-operation time of the injection device 100. Here, the non-operation time of the injection device 100 can be the time during which the injection device 100 does not inject electrolyte. For example, the controller 200 can calculate the difference between the start time of operation of the injection device 100 (e.g., the start time of electrolyte injection) and the end time of a previous operation of the injection device 100 (e.g., the last time the electrolyte was injected into the tray) as the non-operation time.

[0052] According to one embodiment, the controller 200 can perform a correction when the non-operation time of the injection device is a first time or longer and until the number of trays that have been injected reaches a preset value. The first time can be set experimentally and statistically, and is set, for example, when the injection volume becomes insufficient due to electrolyte surface adhesion.

[0053] When a predetermined level of electrolyte is fully injected from the injection device 100, the amount of electrolyte injected will not decrease due to electrolytes or the like adhering to the surface of the nozzle, pipe, etc. of the injection device 100. Therefore, the controller 200 can make corrections until the number of trays that have been injected reaches a preset value.

[0054] According to an embodiment, the preset value can be set to the number of trays included in one cycle of electrolyte injection by the injection device 100. For example, the operation cycle of the injection device 100 can be based on the completion of electrolyte injection into a predetermined number of trays. For example, the injection device 100 can set the completion of electrolyte injection into battery cells arranged in 11 trays as one cycle, and in this case, the preset value can be set to 11.

[0055] Since the amount of electrolyte injected does not decrease due to the adhesion of electrolyte to the surface of the injection device 100 when the electrolyte injection of the injection device 100 completes a cycle, the controller 200 may not need to correct the amount of electrolyte injected thereafter.

[0056] According to the embodiment, when the non-operation time of the injection device 100 is greater than or equal to a first time and less than a second time, the controller 200 may add a first value to the electrolyte injection amount. For example, the controller 200 may add the first value to a preset amount to the electrolyte injection amount injected from the injection device 100. Here, the second time may have a larger value than the first time.

[0057] The controller 200 can add and compensate for the amount of injected electrolyte to compensate for the reduction of electrolyte injected into the battery cell due to the non-operation time of the injection device 100.

[0058] According to the implementation, when the non-operation time of the injection device 100 is greater than or equal to the second time, the controller 200 can correct the electrolyte injection amount based on the number of trays that have been injected.

[0059] When the non-operation time of the injection device 100 is greater than or equal to the second time, the amount of electrolyte reduced due to the non-operation time is large. Therefore, the controller 200 can adjust the amount of electrolyte compensation as the electrolyte injection process proceeds, rather than uniformly compensating for the amount of electrolyte injected into the added tray.

[0060] According to one implementation, when the number of trays that have completed injection is less than a first number, the controller 200 can add a second value to the electrolyte injection amount. In this case, the second time can have a larger value than the first time, and therefore the second value used to correct the electrolyte injection amount can be greater than the first value.

[0061] According to the implementation method, when the number of trays that have been injected is greater than or equal to a first number and less than a preset value, the controller 200 can add a third value to the electrolyte injection amount.

[0062] In one implementation, the third value may be smaller than the second value because the injection process via the tray reduces electrolyte loss through pipes, etc.

[0063] According to the implementation method, the amount of electrolyte to be corrected can be determined based on the non-operation time of the injection device 100. For example, the process management device 1 can count the amount of electrolyte that decreases due to the non-operation time of the injection device 100, and then determine the correction amount based on the non-operation time. For example, the first to third values ​​described above can be set differently depending on the non-operation time of the injection device 100.

[0064] According to another embodiment, the processing management device 1 can determine whether the tray added to the injection device 100 is a cleaning tray.

[0065] When the tray is cleaned, as the surface of the tray dries like the nozzles, pipes, etc. of the injection device 100, some of the electrolyte to be injected into the battery cell may be reduced due to adhesion, etc.

[0066] Therefore, the process management device 1 can determine whether a cleaning tray is placed into the input tray during the electrolyte injection process and correct the electrolyte injection volume.

[0067] According to one embodiment, when the tray added to the injection device 100 is a cleaning tray, the controller 200 can allow the tray to pass through the injection chamber and the pressing chamber of the injection device 100. The controller 200 can first undergo a preparation process by allowing the cleaning tray to pass through the injection device 100 without electrolyte injection.

[0068] Subsequently, the controller 200 can clean the upper and lower parts of the cleaning tray. Because of the possibility of foreign matter such as cleaning liquids present during the tray cleaning process, the controller 200 can clean both the upper and lower parts of the cleaning tray.

[0069] The controller 200 can control the injection device 100 to inject electrolyte into the battery cells positioned in the cleaning tray after the cleaning tray has been cleaned.

[0070] According to the embodiment, the controller 200 can perform corrections during one cycle of the injection device 100. As described above, when the electrolyte injection process of the injection device 100 completes one cycle, the electrolyte level does not decrease due to surface adhesion or the like, therefore the controller 200 can correct the electrolyte injection amount during one cycle of the injection device 100.

[0071] According to an embodiment, the process management device 1 may further include an interface panel (not shown) for receiving user input. The user can manipulate the interface panel of the process management device 1 to control the electrolyte injection process or check the progress of the process.

[0072] For example, the process management device 1 can receive control input for operating the process from the user via input devices such as touch input, button input, mouse, etc., and display graphics, UI, etc., such as a screen to assist in selecting control input on the interface panel. According to an embodiment, the interface panel may include a human-machine interface (HMI) panel.

[0073] According to one embodiment, the interface panel may include a UI for specifying the cleaning panel. Users can manipulate the UI to input commands to the process management device 1.

[0074] According to one implementation, the controller 200 can perform the cleaning of the tray based on user input. For example, the UI can be a UI used to indicate whether the tray added to the injection device 100 is a cleaning tray. For example, the user can input a confirmation button indicating that the tray is a cleaning tray through the UI of the interface panel, or input the number of cleaning trays.

[0075] The user can input instructions via the UI to indicate whether the tray added to the injection device 100 is a cleaning tray, and the controller 200 can receive the signal based on the user's input and determine whether the tray added to the injection device 100 is a cleaning tray.

[0076] According to the implementation, a correction amount for the electrolyte injection volume can be set based on the difference in electrolyte injection volume between the clean tray and the uncleaned tray. The controller 200 can control the injection device 100 to inject the set correction amount added to the preset amount.

[0077] The amount of electrolyte injected in each of the clean and uncleaned trays can be confirmed experimentally and statistically, and, for example, the controller 200 can determine that the difference between the average injection amount in the clean and uncleaned trays is a correction amount.

[0078] Figure 2 This is a view illustrating the relationship between non-operation time and reduced injection volume according to one embodiment disclosed herein.

[0079] refer to Figure 2 This confirms the reduced electrolyte injection volume due to the non-operation time of the injection device 100. (Reference) Figure 2 The graph shown confirms that as the non-operation time of the injection device 100 increases, the reduction in injection volume tends to increase.

[0080] Therefore, the process management device 1 can adjust the electrolyte injection amount according to the non-operating time of the injection device 100, so that the electrolyte is injected into the battery cell, thereby preventing defects caused by insufficient electrolyte injected into the battery cell and reducing the defect rate.

[0081] Figure 3 This is a view showing an example of the result of employing a correction method according to one embodiment disclosed herein.

[0082] Reference Figure 3 The results of the calibration method applied by the process management device 1 can be confirmed. Figure 3 The defect rate is shown when the correction method according to an embodiment of the present invention is applied and when the correction method is not applied.

[0083] First, refer to Figure 3 In the absence of a correction method, when operation begins after the non-operation time of the injection device 100 has elapsed, it can be confirmed that the defect rate in the first tray is quite high at 34.72%. This is because, as described above, as the surfaces of the nozzles, pipes, etc., dry out, some of the electrolyte to be injected into the battery cell is reduced due to adhesion, etc.

[0084] However, when the correction method of the process management device 1 is applied, it can be confirmed that the defect rate in the first tray is significantly reduced to 3.82% after the non-operation time of the injection device 100 has passed.

[0085] Furthermore, compared to before the application of the correction method, it can be confirmed that the total defect rate of the trays (trays 1 to 11) injected during one cycle of the injection device 100 was also significantly reduced from 3.77% to 0.73%.

[0086] In other words, the process management device 1 can control the amount of electrolyte injected into the battery cell by taking into account the non-operating time of the injection device 100, thereby significantly reducing the defect rate during the non-operating time of the injection device 100.

[0087] Figure 3 It is shown that during one cycle of the injection device 100, 288 battery cells are positioned in each tray and 11 trays are added, but the number of battery cells positioned in each tray and the number of trays injected during one cycle of the injection device 100 are not limited thereto.

[0088] Figure 4 This is a flowchart describing a process management method according to one embodiment disclosed herein.

[0089] refer to Figure 4 The process management method may include obtaining the non-operation time of the injection device for injecting electrolyte into the battery cells set in the tray (S10), and correcting the amount of electrolyte injected into each battery cell based on the non-operation time of the injection device and the number of trays that have completed injection after the start of electrolyte injection (S20).

[0090] In operation S10, the controller 200 can acquire the non-operation time of the injection device 100. For example, the controller 200 can calculate the difference between the start time of operation of the injection device 100 (e.g., the start time of electrolyte injection) and the completion time of a previous operation of the injection device 100 (e.g., the last time the electrolyte was injected into the tray) as the non-operation time.

[0091] In operation S20, the controller 200 can correct the amount of electrolyte injected from the injection device 100 into each battery cell. In one embodiment, the controller 200 can correct the amount of electrolyte injected based on the non-operation time of the injection device 100 and the number of trays that have completed injection.

[0092] Figure 5 This is a flowchart describing a process for correcting the electrolyte injection amount according to one embodiment disclosed herein.

[0093] Reference Figure 5 The process management device 1 can adjust the electrolyte injection amount based on the non-operation time of the injection device 100 and the number of trays that have completed injection.

[0094] During operation S100, the controller 200 can acquire the non-operation time of the injection device 100. The controller 200 can determine whether to correct the electrolyte injection amount and the correction amount of the electrolyte based on the non-operation time of the injection device 100.

[0095] In operation S110, the controller 200 can determine whether the non-operation time of the injection device 100 is greater than or equal to a first time. When the non-operation time of the injection device 100 is less than the first time ("No" in S110), the process can proceed to operation S120. When the non-operation time of the injection device 100 is greater than or equal to the first time ("Yes" in S110), the process can proceed to operation S130.

[0096] In operation S120, the controller 200 can perform normal injection without correcting the amount of electrolyte injected into each battery cell. Here, "normal injection" can mean that the injection device 100 injects a preset amount of electrolyte into each battery cell.

[0097] In operation S130, the controller 200 can determine whether the non-operation time of the injection device 100 is greater than or equal to the second time. When the non-operation time of the injection device 100 is less than the second time ("No" in S130), the process can proceed to operation S140. When the non-operation time of the injection device 100 is the second time or longer ("Yes" in S130), the process can proceed to operation S160.

[0098] In operation S140, the controller 200 can correct the electrolyte injection amount of the injection device 100 to include a first value.

[0099] In operation S150, the controller 200 can count the number of trays that have completed injection. The controller 200 can determine whether the number of trays that have completed injection is greater than or equal to a preset value. When the number of trays that have completed injection is less than the preset value, injection can continue according to the corrected injection amount. In this case, the number of trays that have completed injection can be increased by 1 each time electrolyte is injected into the tray.

[0100] When the number of trays that have been injected reaches a preset value, the controller 200 can complete the process.

[0101] In operation S160, the controller 200 can determine whether the number of trays that have completed injection is greater than or equal to a first quantity. When the number of trays that have completed injection is less than the first quantity ("No" in S160), the process can proceed to operation S170. When the number of trays that have completed injection is greater than or equal to the first quantity ("Yes" in S160), the process can proceed to operation S180.

[0102] In operation S170, the controller 200 can correct the electrolyte injection amount of the injection device 100 to include a second value.

[0103] In operation S180, the controller 200 can determine whether the number of trays that have completed injection is greater than or equal to a preset value. When the number of trays that have completed injection is less than the preset value ("No" in S180), the process can proceed to operation S190. In this case, the number of trays that have completed injection can increase by 1 each time electrolyte injection into the trays is completed.

[0104] In operation S190, the controller 200 can correct the electrolyte injection amount of the injection device 100 to include a third value.

[0105] The process management device 1 can prevent defects caused by insufficient electrolyte injection by adjusting the electrolyte injection amount according to the non-operation time of the injection device 100.

[0106] Figure 6 This is a block diagram illustrating the hardware configuration of a computing system for performing a method of operating process management apparatus according to one embodiment disclosed herein.

[0107] refer to Figure 6 The computing system 1000 according to one embodiment disclosed herein may include a microcontroller unit (MCU) 1010, a memory 1020, an input / output I / F 1030, and a communication I / F 1040.

[0108] MCU 1010 can be used to execute various programs stored in memory 1020 (e.g., a program for correcting injection volume), process various types of information through these programs, and allow execution of programs including... Figure 1 The processor is the controller of the process management device shown above.

[0109] The memory 1020 can store various types of programs, such as injection volume correction programs. Furthermore, the memory 1020 can store various types of information, such as correction results.

[0110] The memory 1020 can be provided as multiple memories as needed. The memory 1020 can be volatile or non-volatile. As volatile memory, the memory 1020 can use RAM, DRAM, SRAM, etc. As non-volatile memory, the memory 1020 can use ROM, PROM, EAROM, EPROM, EEPROM, flash memory, etc. The examples of memory 1020 listed above are illustrative only and are not limited to these examples.

[0111] The input / output I / F 1030 can be an interface for connecting input devices (not shown), such as a keyboard, mouse, or touch panel, and output devices (not shown), such as a display, to the MCU 1010 and allowing the input and output devices, as well as the MCU 1010, to send and receive data.

[0112] The Communication I / F 1040 is a component capable of sending various types of data to and receiving various types of data from a server, and can be a device capable of supporting wired or wireless communication.

[0113] As described above, a computer program according to one embodiment disclosed herein can be implemented for executing Figure 1 The modules that demonstrate the functions shown are, for example, recorded in memory 1020 and processed by MCU 1010.

[0114] As stated above, although all components constituting the embodiments disclosed herein are described as operating by being coupled or by being coupled, the embodiments disclosed herein are not necessarily limited to these embodiments. In other words, one or more of all components may be operated by selective coupling without departing from the purpose of the embodiments disclosed herein.

[0115] Furthermore, unless otherwise stated, the foregoing terms such as “comprising,” “constituting,” or “having” mean that the corresponding component may be inherent and should therefore be interpreted as further including rather than excluding another component. Unless otherwise defined, all terms including technical or scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments disclosed herein pertain. Commonly used terms, such as those defined in dictionaries, should be interpreted as consistent with the meaning in the context of the relevant art and not as having an ideal or overly formal meaning, unless expressly defined herein.

[0116] The above description is merely an exemplary description of the technical spirit disclosed herein, and those skilled in the art will be able to make various modifications and changes to this document without departing from the essential characteristics of the disclosed embodiments. Therefore, the embodiments disclosed herein are not intended to limit the technical ideas disclosed herein, but are for illustrative purposes, and the scope of the technical ideas disclosed herein is not limited by these embodiments. The scope of the technical ideas disclosed herein should be interpreted by the appended claims, and all technical ideas within the equivalent scope should be interpreted as included within the scope of this document.

Claims

1. A process management device, the process management device comprising: An injection device configured to inject electrolyte into battery cells disposed in a tray; as well as A controller configured to adjust the amount of electrolyte injected into each battery cell based on the non-operation time of the injection device and the number of trays that have completed injection after the start of electrolyte injection.

2. The process management device according to claim 1, wherein, When the non-operation time of the injection device is greater than or equal to the first time, the controller performs the correction until the number of trays that have been injected reaches a preset value.

3. The process management device according to claim 2, wherein, The preset value is set to the number of trays included in one cycle of the electrolyte being injected by the injection device.

4. The process management device according to claim 2, wherein, When the non-operation time of the injection device is greater than or equal to the first time and less than the second time, the controller adds the first value to the electrolyte injection amount.

5. The process management device according to claim 2, wherein, When the non-operation time of the injection device is greater than or equal to the second time, the controller corrects the electrolyte injection amount based on the number of trays that have completed injection.

6. The process management device according to claim 5, wherein, The controller is configured to: When the number of trays that have been injected is less than the first number, the amount of electrolyte injected is added to the second value; as well as When the number of trays that have been injected is greater than or equal to the first number but less than the preset value, the amount of electrolyte injected is added to the third value.

7. The process management device according to claim 1, wherein, The amount of electrolyte injected to be corrected is determined based on the non-operation time of the injection device.

8. A process management method, the process management method comprising the following steps: The non-operation time of the injection device is obtained, the injection device being configured to inject electrolyte into battery cells disposed in a tray; as well as The amount of electrolyte injected into each battery cell is corrected based on the non-operation time of the injection device and the number of trays that have completed injection after the start of electrolyte injection.

9. The process management method according to claim 8, wherein, The step of calibrating the electrolyte injection volume includes: when the non-operation time of the injection device is greater than or equal to a first time, performing the calibration until the number of trays that have been injected reaches a preset value.

10. The process management method according to claim 9, wherein, The step of correcting the electrolyte injection amount includes: when the non-operation time of the injection device is greater than or equal to the first time and less than the second time, adding a first value to the electrolyte injection amount.

11. The process management method according to claim 9, wherein, The step of calibrating the electrolyte injection volume includes: when the non-operation time of the injection device is greater than or equal to a second time, calibrating the electrolyte injection volume based on the number of trays that have completed injection.

12. The process management method according to claim 11, wherein, The steps for calibrating the electrolyte injection volume include: When the number of trays that have completed injection is less than the first number, the electrolyte injection amount is added to the second value; and When the number of trays that have been injected is greater than or equal to the first number but less than the preset value, the amount of electrolyte injected is added to the third value.

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