CN117317541A - Automatic liquid system of annotating of lithium cell - Google Patents
Automatic liquid system of annotating of lithium cell Download PDFInfo
- Publication number
- CN117317541A CN117317541A CN202311374849.0A CN202311374849A CN117317541A CN 117317541 A CN117317541 A CN 117317541A CN 202311374849 A CN202311374849 A CN 202311374849A CN 117317541 A CN117317541 A CN 117317541A
- Authority
- CN
- China
- Prior art keywords
- battery
- liquid injection
- liquid
- clamping
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 102
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 51
- 239000007924 injection Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000005303 weighing Methods 0.000 claims abstract description 31
- 239000003792 electrolyte Substances 0.000 claims abstract description 25
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000037452 priming Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The application provides an automatic lithium battery liquid injection system, include according to annotating first weighing machine that liquid order set gradually, second carousel device, annotate liquid mechanism, mechanism of standing, sealing mechanism, second weighing machine and battery discharge mechanism, first weighing machine is used for acquireing weight before the battery annotates the liquid, second carousel device is used for the centre gripping of battery, and lets the notes liquid mouth of battery up, annotate liquid mechanism and pour into the extranal packing of battery with electrolyte through annotating the liquid mouth in, the mechanism of standing is used for stewing the inside electrolyte of battery, sealing mechanism is used for sealing annotating the liquid mouth, second weighing machine is used for acquireing weight after the battery annotates the liquid, battery discharge mechanism is used for carrying out ejection of compact to the battery. The liquid injection efficiency and consistency can be improved, and the problems possibly brought by manual operation are reduced.
Description
Technical Field
The application relates to the field of soft package lithium battery processing equipment, in particular to an automatic lithium battery liquid injection system.
Background
In the prior art, the manual battery injection is usually operated through the following steps: the operator needs to be ready for the required equipment and materials, including electrolyte, batteries, filling tools, filling stations or holders, etc., and because electrolyte may be corrosive or hazardous, the operator typically needs to wear appropriate personal protective equipment, such as gloves, goggles and protective wear, and the batteries need to be placed in the appropriate locations, typically on the filling stations. The filling station typically has a stable support structure to hold and stabilize the battery, and an operator is required to open the filling port of the battery, typically a small hole or channel, to fill the battery with electrolyte, and to fill the battery with electrolyte. This typically requires the use of a syringe or manually controlled liquid delivery system to ensure accuracy and control of the injection, and after injection, the cell typically needs to be left for a period of time to ensure even distribution of electrolyte within the cell and to eliminate air bubbles, once the electrolyte is evenly distributed, the operator seals the cell's injection port, typically with a sealer or sealing device, and the operator can check the cell for any leaks or problems and perform the necessary cleaning work to ensure cell quality and safety. However, the above-described process requires a certain time and human resources and is susceptible to operator skill levels and human error.
Disclosure of Invention
The invention aims to provide an automatic lithium battery liquid injection system which can improve liquid injection efficiency and consistency and reduce problems possibly caused by manual operation.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides an automatic notes liquid system of lithium cell, includes according to annotating liquid in proper order first weighing machine that sets gradually constructs, second carousel device, annotates liquid mechanism, mechanism of standing, sealing mechanism, second weighing machine constructs and battery discharge mechanism, first weighing machine constructs weight before being used for obtaining the battery notes liquid, second carousel device is used for the centre gripping of battery, and lets the notes liquid mouth of battery up, annotate liquid mechanism and pour into the extranal packing of battery into electrolyte through annotating the liquid mouth in, the mechanism of standing is used for stewing the inside electrolyte of battery, sealing mechanism is used for sealing annotating the liquid mouth, second weighing machine constructs weight after being used for obtaining the battery notes liquid, battery discharge mechanism is used for carrying out ejection of compact to the battery.
Further, the first weighing mechanism comprises a supporting frame, a protective shell and a first weighing device, wherein the first weighing device is arranged in the protective shell, the protective shell is arranged on the supporting frame, and a weighing inlet hole is formed in the top of the protective shell.
Further, be provided with a plurality of ring array battery clamping device of arranging on the second carousel device, battery clamping device is used for pressing from both sides tight battery, lets the battery be in vertical state, and the notes liquid mouth of battery up, battery clamping device is including pressing from both sides tight bottom plate, pressing from both sides tight movable plate, pressing from both sides tight fixed plate and pressing from both sides tight drive arrangement, pressing from both sides tight movable plate and installing on pressing from both sides tight bottom through the slide rail, pressing from both sides tight fixed plate and pressing from both sides tight movable plate relatively and install on pressing from both sides tight bottom, pressing from both sides tight drive arrangement can drive and press from both sides tight movable plate and be close to or keep away from the motion that presss from both sides tight fixed plate.
Further, seal the mechanism and include third mounting bracket, third lifting module and seal the subassembly, seal the subassembly and install on third lifting module, third lifting module installs on the third mounting bracket, third lifting module can drive and seal subassembly seat elevating movement, seal the subassembly and include first sealing plate, second sealing plate, fourth lifting module, crane and driving roller, the driving roller is installed relatively around on the crane, the elevating movement is done to fourth lifting module drivable driving roller, the driving roller can drive first sealing plate and second sealing plate and do the motion that is close to or keep away from relatively.
Further, the standing mechanism comprises a standing cover and a cover lifting driving device, and the cover lifting driving device can drive the standing cover to do lifting movement.
Further, annotate liquid mechanism and include annotate liquid frame, annotate liquid probe, annotate liquid pump, opening device and annotate liquid device, annotate liquid probe and install on annotating liquid device, annotate liquid device can drive annotate liquid probe lateral movement, annotate liquid pump and annotate liquid probe and be connected for annotate liquid probe and carry electrolyte, opening device sets up in annotating the below of liquid probe for open the notes liquid mouth of battery extranal packing, opening device includes two opening plates, be provided with the sucking disc on the opening plate, the sucking disc adsorbs extranal packing area both sides, opens the wrapping bag through the cylinder drive and annotates the liquid mouth.
Further, the clamping driving device comprises a driving cylinder and a driving rod, and the driving cylinder can drive the driving rod to push the clamping moving plate to be close to or far away from the clamping fixing plate.
The beneficial effects of this application are:
in operation, first, the first weighing mechanism is used to measure the weight of each battery before filling, and this weight measurement can be used as a reference to ensure the accuracy and control of filling, then the battery is transferred to the second turntable device, which is used to clamp the battery and ensure that the filling port of the battery is upward. This is to prepare the battery to receive the electrolyte, and the electrolyte injection mechanism is responsible for injecting the electrolyte into the outer package of the battery through the electrolyte injection port. This process requires precise control to ensure proper priming volume and position. After the liquid is injected, the battery needs to enter a standing mechanism. The function of this mechanism is to distribute the electrolyte evenly within the cell and to exclude air bubbles that may be present. After standing, the battery is transferred to a sealing mechanism for sealing the liquid filling port of the battery. This step is to prevent leakage of electrolyte and external contaminants into the cell. After the battery is sealed, the battery is transmitted to a second weighing mechanism for measuring the weight of the battery after the battery is injected with liquid. This weight measurement can verify the accuracy of the injection and detect if any problems have occurred. Finally, the battery after the liquid injection and sealing is sent to a battery discharging mechanism to continue the subsequent production flow or packaging.
In conclusion, the working principle of the battery liquid injection device is based on automatic control and accurate measurement, and aims to ensure consistency and quality of a battery liquid injection process, reduce manual intervention and improve production efficiency. The system can be applied to lithium battery production, especially mass production, so as to improve the production efficiency and the product quality.
Drawings
Fig. 1 is a schematic structural diagram of an automatic liquid injection system for a lithium battery according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a first weighing mechanism according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a second turntable device according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a battery clamping device according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a battery clamping device according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural diagram of a liquid injection mechanism according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a liquid injection mechanism according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural view of a sealing mechanism according to an embodiment of the present disclosure;
Detailed Description
The terminology used in the description of the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an automatic lithium battery liquid injection system b includes a first weighing mechanism b1, a second turntable device b2, a liquid injection mechanism b3, a standing mechanism b4, a sealing mechanism b5, a second weighing mechanism b6 and a battery discharging mechanism b7 sequentially arranged according to the liquid injection sequence, wherein the first weighing mechanism b1 is used for obtaining the weight of the battery before liquid injection, the second turntable device b2 is used for clamping the battery, the liquid injection port of the battery is upward, the liquid injection mechanism b3 injects electrolyte into the outer package of the battery through the liquid injection port, the standing mechanism b4 is used for standing the electrolyte in the battery, the sealing mechanism b5 is used for sealing the liquid injection port, the second weighing mechanism b6 is used for obtaining the weight of the battery after liquid injection, and the battery discharging mechanism b7 is used for discharging the battery.
As shown in fig. 2, the first weighing mechanism b1 includes a support frame b11, a protective housing b12, and a first weighing device b13, the first weighing device b13 is disposed in the protective housing b12, the protective housing b12 is mounted on the support frame b11, and a weighing inlet hole b14 is provided at the top of the protective housing b 12.
As shown in fig. 3, the second turntable device b2 is provided with a plurality of battery clamping devices b21 arranged in an annular array, the battery clamping devices b21 are used for clamping the battery, the battery is in a vertical state, and the liquid injection port of the battery faces upwards.
As shown in fig. 4 and 5, the battery clamping device b21 includes a clamping bottom plate b211, a clamping moving plate b212, a clamping fixing plate b213, and a clamping driving device b214, the clamping moving plate b212 is mounted on the clamping bottom by a slide rail, the clamping fixing plate b213 is mounted on the clamping bottom with respect to the clamping moving plate b212, and the clamping driving device b214 can drive the clamping moving plate b212 to move toward or away from the clamping fixing plate b213.
The clamping driving device b214 includes a driving cylinder and a driving rod, and the driving cylinder can drive the driving rod to push the clamping moving plate b212 to approach or separate from the clamping fixing plate b213.
As shown in fig. 6, the priming mechanism b3 includes a priming rack b31, a priming probe b32, a priming pump b33, an opening device, and a priming device b34. The liquid filling probe b32 is arranged on the liquid filling device b34, the liquid filling device b34 can drive the liquid filling probe b32 to move left and right, the liquid filling pump b33 is connected with the liquid filling probe b32 and is used for conveying electrolyte to the liquid filling probe b32, the opening device is arranged below the liquid filling probe b32 and is used for opening a liquid filling port of a battery outer package, the opening device comprises two opening plates, suction cups are arranged on the opening plates, the suction cups adsorb two sides of an outer package belt, and the liquid filling port of a packaging bag is opened through driving of an air cylinder. The opening device is driven by the air cylinder to open the liquid filling port of the battery outer package, and the process is quick and reliable. This ensures the high efficiency of the priming process.
As shown in fig. 7, the stationary mechanism b4 includes a stationary cover b41 and a cover lifting drive b42. The design of the standing mechanism b4 facilitates uniform distribution and absorption of the electrolyte in battery manufacturing to improve the performance, stability and consistency of the battery and to ensure the quality and safety of the battery.
As shown in fig. 8, the sealing mechanism b5 includes a third mounting frame b51, a third lifting module b52 and a sealing assembly b53, the sealing assembly b53 is mounted on the third lifting module b52, the third lifting module b52 is mounted on the third mounting frame b51, the third lifting module b52 can drive the sealing assembly b53 to move up and down, the sealing assembly b53 includes a first sealing plate b531, a second sealing plate b532, a fourth lifting module b533, a lifting frame b534 and a driving roller b535, the driving roller b535 is mounted on the lifting frame b534 back and forth relatively, the fourth lifting module b533 can drive the driving roller b535 to move up and down, and the driving roller b535 can drive the first sealing plate b531 to move relatively close to or far away from the second sealing plate b 532. The use of the sealing mechanism b5 ensures that the sealing of each cell is consistent, thereby improving the quality and consistency of the sealing of the cells. By controlling the relative positions of the first sealing plate b531 and the second sealing plate b532 by driving the roller b535, effective sealing of the battery pack can be achieved. This helps to prevent leakage of electrolyte inside the battery, improving safety and stability of the battery.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments or implications herein must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the embodiments herein. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
The terms first, second, third, fourth and the like in the description and in the claims of embodiments of the application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented, for example, in sequences other than those illustrated or described herein. Furthermore, the terms "may include" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing embodiments are merely illustrative of the technical solutions of the embodiments of the present application, and are not limiting thereof. Although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with equivalents. Such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. An automatic lithium battery liquid injection system which is characterized in that: including annotating liquid sequentially set up first weighing machine constructs, second carousel device, annotate liquid mechanism, mechanism of standing, sealing mechanism, second weighing machine constructs and battery discharge mechanism, first weighing machine constructs and is used for obtaining the weight before the battery annotates the liquid, second carousel device is used for the centre gripping of battery, and lets the notes liquid mouth of battery up, annotate liquid mechanism and pour into the extranal packing of battery with electrolyte through annotating the liquid mouth in, it is used for stewing the inside electrolyte of battery to stand the mechanism, sealing mechanism is used for sealing annotating the liquid mouth, second weighing machine constructs and is used for obtaining the weight after the battery annotates the liquid, battery discharge mechanism is used for carrying out the ejection of compact to the battery.
2. The automatic lithium battery liquid injection system according to claim 1, wherein: the first weighing mechanism comprises a supporting frame, a protective shell and a first weighing device, wherein the first weighing device is arranged in the protective shell, the protective shell is arranged on the supporting frame, and a weighing inlet hole is formed in the top of the protective shell.
3. The automatic lithium battery liquid injection system according to claim 1, wherein: the battery clamping device is used for clamping the battery, the battery is in a vertical state, a liquid injection port of the battery faces upwards, the battery clamping device comprises a clamping bottom plate, a clamping moving plate, a clamping fixing plate and a clamping driving device, the clamping moving plate is mounted on the clamping bottom through a sliding rail, the clamping fixing plate is mounted on the clamping bottom relatively to the clamping moving plate, and the clamping driving device can drive the clamping moving plate to move close to or far away from the clamping fixing plate.
4. The automatic lithium battery liquid injection system according to claim 1, wherein: the sealing mechanism comprises a third mounting frame, a third lifting module and a sealing assembly, the sealing assembly is mounted on the third lifting module, the third lifting module is mounted on the third mounting frame, the third lifting module can drive a sealing assembly seat to move up and down, the sealing assembly comprises a first sealing plate, a second sealing plate, a fourth lifting module, a lifting frame and a driving roller, the driving roller is mounted on the lifting frame in a front-back opposite mode, the fourth lifting module can drive the driving roller to do lifting motion, and the driving roller can drive the first sealing plate and the second sealing plate to do relative approaching or keeping away from motion.
5. The automatic lithium battery liquid injection system according to claim 1, wherein: the standing mechanism comprises a standing cover and a cover lifting driving device, and the cover lifting driving device can drive the standing cover to do lifting movement.
6. The automatic lithium battery liquid injection system according to claim 1, wherein: the liquid injection mechanism comprises a liquid injection rack, a liquid injection probe, a liquid injection pump, an opening device and a liquid injection device, wherein the liquid injection probe is arranged on the liquid injection device, the liquid injection device can drive the liquid injection probe to move left and right, the liquid injection pump is connected with the liquid injection probe and is used for conveying electrolyte to the liquid injection probe, the opening device is arranged below the liquid injection probe and is used for opening a liquid injection port of a battery external package, the opening device comprises two opening plates, suction cups are arranged on the opening plates, the suction cups adsorb two sides of an external package belt, and the liquid injection port of a packaging bag is opened through driving of a cylinder.
7. The automatic lithium battery liquid injection system according to claim 6, wherein: the clamping driving device comprises a driving cylinder and a driving rod, and the driving cylinder can drive the driving rod to push the clamping moving plate to be close to or far away from the clamping fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374849.0A CN117317541A (en) | 2023-10-23 | 2023-10-23 | Automatic liquid system of annotating of lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374849.0A CN117317541A (en) | 2023-10-23 | 2023-10-23 | Automatic liquid system of annotating of lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117317541A true CN117317541A (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311374849.0A Pending CN117317541A (en) | 2023-10-23 | 2023-10-23 | Automatic liquid system of annotating of lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117317541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025145616A1 (en) * | 2024-01-03 | 2025-07-10 | 宁德时代新能源科技股份有限公司 | Electrolyte injection system and electrolyte injection method for battery |
-
2023
- 2023-10-23 CN CN202311374849.0A patent/CN117317541A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025145616A1 (en) * | 2024-01-03 | 2025-07-10 | 宁德时代新能源科技股份有限公司 | Electrolyte injection system and electrolyte injection method for battery |
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