CN117239278A - Battery cell disassembling method and battery cell disassembling device - Google Patents
Battery cell disassembling method and battery cell disassembling device Download PDFInfo
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- CN117239278A CN117239278A CN202311505911.5A CN202311505911A CN117239278A CN 117239278 A CN117239278 A CN 117239278A CN 202311505911 A CN202311505911 A CN 202311505911A CN 117239278 A CN117239278 A CN 117239278A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims description 57
- 238000003475 lamination Methods 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 description 15
- 238000011084 recovery Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The application provides a battery cell disassembling method and a battery cell disassembling device, wherein the battery cell disassembling method comprises the following steps: turning the cell to be disassembled until the overlapped area between the ending diaphragm and the first section diaphragm is relatively upward; fixing the non-overlapping region of the ending diaphragm; uncovering an overlapping area between the ending diaphragm and the first section diaphragm to obtain an uncovered first section diaphragm; and (5) pulling the uncovered first section of diaphragm to disassemble. In the technical scheme, the battery cell to be disassembled is pre-disassembled and turned over until the overlapped area is relatively upward; fixing the non-overlapping region of the ending diaphragm; uncovering the overlapping area of the ending diaphragm and the first section diaphragm; pulling the uncovered first section of diaphragm to disassemble; the disassembly process of the laminated battery is simplified, the automatic disassembly of the laminated battery is realized, and the disassembly efficiency of the laminated battery is improved.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery cell disassembling method and a battery cell disassembling device.
Background
At present, with the urgent requirement of long endurance mileage of electric vehicles, the technical route of light weight and high energy density of batteries is a consensus in the battery industry.
Laminated power cells have begun to rise significantly with their unique advantages in the use of batteries for electric vehicles. However, the current recovery method for the power battery mainly comprises the steps of disassembling and crushing, and then adopting physical and chemical means to recover valuable metals, and the method for directly crushing the battery after disassembling not only can lead to tedious and tedious process of whole separation and recovery, but also can lead to the introduction of a large amount of impurities in the recovery of valuable metals in the subsequent positive electrode active materials, so that the subsequent recovery increases the multistage impurity removal process and the quality of the recovered products is not high.
Disclosure of Invention
The application provides a battery cell disassembling method and a battery cell disassembling device, which are used for realizing automatic disassembly of laminated batteries and improving the disassembly efficiency of the batteries.
In a first aspect, a method for disassembling a battery cell is provided, including the following steps:
step one: turning the cell to be disassembled until the overlapped area between the ending diaphragm and the first section diaphragm is relatively upward;
the battery cell to be disassembled is a laminated battery cell; after the lamination of the lamination battery core is finished, the diaphragm can continuously wind around the lamination battery core, and the diaphragm continuously wound outside the lamination battery core is a ending diaphragm; the first section of diaphragm is the end part of the diaphragm, which starts to wrap the pole piece; an overlapping area is formed between the first section diaphragm and the ending diaphragm, and the overlapping area is an overlapping part of the first section diaphragm and the ending diaphragm; the non-overlapping region is a portion of the ending diaphragm that is outside of the overlapping region;
step two: fixing the non-overlapping region of the ending diaphragm;
step three: uncovering the overlapping area of the ending diaphragm and the first section diaphragm to obtain the uncovered first section diaphragm;
step four: and (5) pulling the uncovered first section of diaphragm to disassemble.
In the technical scheme, the battery cell to be disassembled is turned over until the overlapping area is relatively upward; fixing the non-overlapping region of the ending diaphragm; uncovering the overlapping area of the ending diaphragm and the first section diaphragm to obtain the uncovered first section diaphragm; pulling the uncovered first section of diaphragm to disassemble; the disassembly process of the laminated battery is simplified, the automatic disassembly of the laminated battery is realized, and the disassembly efficiency of the laminated battery is improved.
In a second aspect, a battery cell disassembling device is provided, comprising a frame, wherein the frame is provided with a film pressing mechanism and a film uncovering mechanism,
the film pressing mechanism is used for fixing the non-overlapping area of the ending diaphragm,
the film uncovering mechanism is used for uncovering the overlapping area of the ending diaphragm and the first section diaphragm; wherein,
the battery core to be disassembled is a laminated battery core; after the lamination of the lamination battery core is finished, the diaphragm can continuously wind around the lamination battery core, and the diaphragm continuously wound outside the lamination battery core is a ending diaphragm; the first section of diaphragm is the end part of the diaphragm, which starts to wrap the pole piece; an overlapping area is formed between the first section diaphragm and the ending diaphragm, and the overlapping area is an overlapping part of the first section diaphragm and the ending diaphragm; the non-overlapping region is a portion of the ending diaphragm that is outside of the overlapping region.
In the above technical solution, the cells to be disassembled are pre-disassembled, and turned over until the overlapping area is relatively upward; fixing a non-overlapping region of the ending diaphragm by using the film pressing mechanism; uncovering an overlapping area of the ending diaphragm and the first section diaphragm by using a diaphragm uncovering mechanism to obtain the uncovered first section diaphragm; finally, the uncovered first section of diaphragm is pulled to be disassembled; the disassembly process of the laminated battery is simplified, the automatic disassembly of the laminated battery is realized, and the disassembly efficiency of the laminated battery is improved.
Drawings
Fig. 1 is a flow chart of a method for disassembling a battery cell according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a laminated battery cell according to an embodiment of the present application;
fig. 3 is a schematic structural view of a laminated battery and a separator according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a cell disassembling device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a traction mechanism and a receiving box according to an embodiment of the present application.
The reference numeral 1-battery cell to be disassembled, 2-overlapping area, 3-first section diaphragm, 4-ending diaphragm, 18-diaphragm, 17-negative pole piece, 16-positive pole piece, 5-film pressing mechanism, 6-film uncovering mechanism, 7-feeding mechanism, 8-mechanical clamping jaw, 9-rotating mechanism, 10-battery cell toggle mechanism, 11-working station, 12-auxiliary station, 13-negative pole piece material receiving box, 14-positive pole piece material receiving box and 15-traction mechanism.
Detailed Description
The application is further described in detail below by means of the figures and examples. The features and advantages of the present application will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.
In order to facilitate understanding of the battery cell disassembling method and the battery cell disassembling device provided by the embodiment of the application, application scenes of the battery cell disassembling method and the battery cell disassembling device are explained first. The battery core disassembling method provided by the embodiment of the application is used for realizing automatic disassembly of the laminated battery, improving the disassembly efficiency of the battery and is applied to battery disassembly. Laminated power cells have begun to rise significantly with their unique advantages in the use of batteries for electric vehicles. However, the current recovery method for the power battery mainly comprises the steps of disassembling and crushing, and then adopting physical and chemical means to recover valuable metals, and the method for directly crushing the battery after disassembling not only can lead to tedious and tedious process of whole separation and recovery, but also can lead to the introduction of a large amount of impurities in the recovery of valuable metals in the subsequent positive electrode active materials, so that the subsequent recovery increases the multistage impurity removal process and the quality of the recovered products is not high. Therefore, the embodiment of the application provides a battery cell disassembling method and a battery cell disassembling device, so that the automatic disassembling of the laminated battery is realized, and the disassembling efficiency of the battery is improved. The following detailed description is of embodiments with reference to the specific drawings.
The embodiment of the application discloses a battery disassembling method and battery disassembling equipment, wherein a battery cell 1 to be disassembled is taken as an example of a square battery cell, the square battery cell comprises a diaphragm and a pole piece, the pole piece comprises a positive pole piece and a negative pole piece, the diaphragm is positioned between the positive pole piece and the negative pole piece, the stacking sequence of layers in the battery cell is generally the diaphragm, the positive pole piece, the diaphragm, the negative pole piece and the diaphragm, and the diaphragm keeps insulation between the positive pole piece and the negative pole piece.
The battery cell 1 to be disassembled is a laminated battery cell. When the battery cell is produced, after lamination type battery cell lamination is completed, the diaphragm can be continuously wound around the battery cell, the winding number of turns is at least 1.5, the diaphragm which is continuously wound outside the battery cell for at least 1.5 turns is called as a tail-end diaphragm, and then the tail end of the diaphragm is fixed on the battery cell by using an adhesive tape. The diaphragm outside the battery cell has the function of protecting the battery cell. After the battery cell is arranged in the shell, the diaphragm at the outer side of the battery cell can also keep insulation between the battery cell and the shell, so that the safety of the battery device is ensured.
Referring to fig. 1 to 3, fig. 1 is a flow chart of a method for disassembling a battery cell according to an embodiment of the present application. Fig. 2 is a schematic structural diagram of a laminated battery cell according to an embodiment of the present application. Fig. 3 is a schematic structural diagram of a laminated battery and a separator according to an embodiment of the present application. In fig. 1, an embodiment of the present application provides a method for disassembling a battery cell, including the following steps:
firstly, pre-disassembling the cell 1 to be disassembled, and turning over until the overlapping area 2 is relatively upward. It should be noted that, as shown in fig. 3, the membrane 18 of the cell 1 to be disassembled includes a first section membrane 3 and a final section membrane 4. The battery cell 1 to be disassembled is a laminated battery cell; after the lamination of the lamination cell is completed, the diaphragm 18 can continue to wind around the lamination cell, the winding number is at least 1.5, and the diaphragm which is continuously wound outside the lamination cell is a ending diaphragm; the first separator 3 refers to the end of the separator that begins to wrap around the pole piece. An overlapping area 2 is formed between the first section membrane 3 and the ending membrane 4; the overlap region 2 refers to the overlap of the leading and trailing diaphragms 3, 4; the non-overlapping area refers to the membrane portion of the ending membrane outside the overlapping area 2.
Then, the non-overlapping region of the ending diaphragm 4 is fixed; uncovering the overlapping area 2 of the ending diaphragm 4 and the first section diaphragm 3 to obtain an uncovered first section diaphragm; that is, the ending diaphragm 4 is fixed, and the starting end of the first-stage diaphragm 3 is peeled off, to obtain the peeled first-stage diaphragm.
Finally, the uncovered first section of diaphragm 3 is pulled to be disassembled; the process of reverse lamination of the battery cell 1 to be disassembled is realized. Specifically, the process of pulling the uncovered first section of membrane 3 may be horizontal, vertical, or partially horizontal, or partially vertical.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a traction mechanism and a receiving box according to an embodiment of the present application. In a specific embodiment, the method further comprises:
during the horizontal traction process of the uncovered first section of diaphragm 3, the negative electrode plate 17 is positioned on the lower side surface of the diaphragm 18, the positive electrode plate 16 is positioned on the upper side surface of the diaphragm 18, and the negative electrode plate 17 and the positive electrode plate 16 are collected at different collecting positions. As shown in fig. 5, the up-down direction is shown by arrow a in the figure; in this embodiment, the negative electrode sheet 17 is collected below, and the positive electrode sheet 16 is collected in the subsequent process, so that the risk of mixing materials such as negative electrode copper scraps into the positive electrode can be greatly reduced, and the fine recovery of electrode materials is ensured.
In the technical scheme, the battery cell 1 to be disassembled is pre-disassembled and turned over until the overlapped area 2 is upward relatively; a non-overlapping region of the fixed ending diaphragm 4; uncovering the overlapping area 2 of the ending diaphragm 4 and the first section diaphragm 3 to obtain an uncovered first section diaphragm; the first section of the membrane 3 which is uncovered by horizontal traction is disassembled; the disassembly process of the laminated battery is simplified, the automatic disassembly of the laminated battery is realized, and the disassembly efficiency of the laminated battery is improved.
In a specific embodiment, before the step of turning the cell to be disassembled up relatively to the overlap area between the ending membrane and the first section membrane, the method further comprises:
pre-dismantling the battery cell to be dismantled, specifically comprising the following steps:
step a: removing a shell of the battery cell to be disassembled;
step b: cutting off the electrode lugs of the battery core to be disassembled;
step c: acquiring the starting of a diaphragm; the beginning of the diaphragm is the end of the diaphragm from which disassembly begins.
Specifically, the pre-disassembly process includes: removing the shell, cutting the tab, obtaining the starting of the diaphragm 18 and the like, so that the disassembly process of the battery cell 1 to be disassembled is smoother, the automatic disassembly of the battery cell is realized, and the disassembly efficiency of the battery cell is improved.
Referring to fig. 4 and fig. 5, fig. 4 is a schematic structural diagram of a battery cell disassembling device according to an embodiment of the present application. Fig. 5 is a schematic structural diagram of a traction mechanism and a receiving box according to an embodiment of the present application. In fig. 4, an embodiment of the present application provides a device for disassembling a battery cell, including a rack. The frame is provided with a film pressing mechanism 5 and a film uncovering mechanism 6. Wherein, the film pressing mechanism 5 is used for fixing the non-overlapping area of the ending diaphragm 4; wherein the battery core to be disassembled is a laminated battery core; after the lamination of the lamination cell is finished, the diaphragm can continuously wind around the lamination cell, and the diaphragm continuously wound outside the lamination cell is a ending diaphragm; the first section of diaphragm is the end part of the diaphragm, which is wrapped by the pole piece at the beginning; an overlapping area is formed between the first section of diaphragm and the ending diaphragm, and the overlapping area is the overlapping part of the first section of diaphragm and the ending diaphragm; the non-overlapping region is the portion of the diaphragm that ends the diaphragm outside the overlapping region.
In particular, the film pressing mechanism 5 may be a press block, a mechanical clamping jaw, or other mechanism capable of fixing the ending diaphragm 4. And the film uncovering mechanism 6 is used for uncovering the overlapped area 2 of the ending diaphragm 4 and the first section diaphragm 3. Specifically, the film uncovering mechanism 6 may be a gripper, a roller set, or other mechanisms capable of fixing the first section of the diaphragm 3 and driving the first section of the diaphragm 3 to move horizontally.
In the above technical solution, the cell 1 to be disassembled is pre-disassembled, and turned over until the overlapping area 2 is relatively upward; fixing the non-overlapping region of the ending diaphragm 4 by using a film pressing mechanism 5; uncovering the overlapped area 2 of the ending diaphragm 4 and the first section diaphragm 3 by using a uncovering mechanism 6 to obtain an uncovered first section diaphragm; the first section of the membrane 3 which is uncovered by horizontal traction is disassembled; in the device, the utilized mechanism has higher automation degree and less quantity, simplifies the disassembly process of the laminated battery, realizes the automatic disassembly of the laminated battery and improves the disassembly efficiency of the laminated battery.
With continued reference to fig. 4, in one particular possible embodiment, a feed mechanism 7 is also included. Wherein the feeding mechanism 7 comprises a mechanical jaw 8. The mechanical clamping jaw 8 is connected with a rotating mechanism 9 for vertically rotating the battery cell 1 to be disassembled. The vertical rotation direction is the direction vertical to the lamination surface of the lamination battery cell. After the battery core is separated, the situation that the ending diaphragm is located above the battery core 1 to be disassembled relatively exists, and a rotating mechanism is arranged when the mechanical clamping jaw is used for feeding, so that the battery core is overturned to the position that the ending diaphragm is located below the battery core relatively and is attached to the working station 11, the film pressing mechanism 5 and the film uncovering mechanism 6 are convenient to realize the reverse lamination process, and the battery disassembling efficiency is improved. Specifically, the cell is a single cell.
With continued reference to fig. 4, in one particular possible embodiment, a battery toggle mechanism 10 is also included. Wherein the frame is provided with a working station 11. And the battery core shifting mechanism 10 is used for shifting the long side of the battery core 1 to be disassembled until the overlapping area 2 of the first section of diaphragm 3 and the ending diaphragm 4 is exposed after the battery core 1 to be disassembled is positioned at the working station 11. The film pressing mechanism 5 and the film uncovering mechanism 6 are convenient to realize the reverse lamination process, and the battery disassembling efficiency is improved.
With continued reference to fig. 4, in one particular possible embodiment, the rear end of the work station 11 is provided with a plurality of auxiliary stations 12 side by side. The number of auxiliary stations 12 is plural (two or more), such as two, three, or other different numbers. The auxiliary station 12 is used for reserving enough space for the cell 1 to be disassembled to be shifted to expose the overlapping area 2 of the first section of membrane 3 and the ending membrane 4. The number of turns of the winding battery cell of the battery cell ending diaphragm is different, so that the number of turns of the winding battery cell is different when the battery cell is shifted to expose the overlapping area, and enough space for shifting the battery cell 1 to be disassembled is reserved at the rear end of the working station.
With continued reference to fig. 5, in one particular possible embodiment, positive and negative sheet receiving bins 14 and 13 are also included. The negative plate receiving box and the positive plate receiving box are sequentially arranged along the traction direction of the film uncovering mechanism. Wherein, positive plate material receiving box 14 is used for collecting the positive plate. And the negative plate receiving box 13 is used for collecting the negative plates. During the horizontal traction process of the uncovered first section of diaphragm 3, the negative electrode plate 17 is positioned on the lower side surface of the diaphragm 18, the positive electrode plate 16 is positioned on the upper side surface of the diaphragm 18, and the negative electrode plate 17 and the positive electrode plate 16 are collected at different collecting positions. In this embodiment, the negative electrode sheet 17 is collected below the separator 18, and the positive electrode sheet 16 is collected in the subsequent process, so that the risk of mixing materials such as negative electrode copper scraps into the positive electrode can be greatly reduced, and fine recovery of electrode materials is ensured.
In a specific embodiment, a pre-disassembly mechanism is also included. The pre-disassembly mechanism is used for pre-disassembling the battery cell to be disassembled. Pre-dismantling the battery cell to be dismantled, specifically comprising the following steps:
step a: removing a shell of the battery cell to be disassembled;
step b: cutting off the electrode lugs of the battery core to be disassembled;
step c: acquiring the starting of a diaphragm; the beginning of the diaphragm is the end of the diaphragm from which disassembly begins.
Specifically, the pre-disassembly process includes: removing the shell, cutting the tab, obtaining the starting of the diaphragm 18 and the like, so that the disassembly process of the battery cell 1 to be disassembled is smoother, the automatic disassembly of the battery cell is realized, and the disassembly efficiency of the battery cell is improved.
In a specific embodiment, a traction mechanism 15 is also included. Wherein the traction mechanism 15 is used for traction of the diaphragm 18. In particular, the traction mechanism 15 is used to pull the uncovered head section of the membrane. The traction mechanism 15 provides sufficient power for the battery's counter-lamination to ensure reliability of battery disassembly. When necessary, the scraping plate/poking plate is arranged on the positive plate receiving box 14 and the negative plate receiving box 13 and used for scraping the pole piece from the diaphragm, so that the pole piece cannot be recovered under the condition that the pole piece is adhered to the diaphragm, the smoothness and reliability of pole piece recovery are ensured, and the battery dismantling efficiency is further ensured. Or, before the battery cell is disassembled, the stress between the pole piece and the diaphragm is reduced by loosening the battery cell, so that the negative pole piece naturally drops and is collected in the process of being pulled, and the positive pole piece drops and is collected in the process of being wound, the reliability of the disassembly can be improved, and the disassembly efficiency is ensured.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. are directions or positional relationships based on the operation state of the present application are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The application has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the application can be subjected to various substitutions and improvements, and all fall within the protection scope of the application.
Claims (10)
1. The battery cell disassembling method is characterized by comprising the following steps of:
step one: turning the cell to be disassembled until the overlapped area between the ending diaphragm and the first section diaphragm is relatively upward;
the battery cell to be disassembled is a laminated battery cell; after the lamination of the lamination battery core is finished, the diaphragm can continuously wind around the lamination battery core, and the diaphragm continuously wound outside the lamination battery core is a ending diaphragm; the first section of diaphragm is the end part of the diaphragm, which starts to wrap the pole piece; an overlapping area is formed between the first section diaphragm and the ending diaphragm, and the overlapping area is an overlapping part of the first section diaphragm and the ending diaphragm; the non-overlapping region is a portion of the ending diaphragm that is outside of the overlapping region;
step two: fixing the non-overlapping region of the ending diaphragm;
step three: uncovering the overlapping area of the ending diaphragm and the first section diaphragm to obtain the uncovered first section diaphragm;
step four: and (5) pulling the uncovered first section of diaphragm to disassemble.
2. The method of cell disassembly as claimed in claim 1, further comprising:
in the traction process of the uncovered first section of diaphragm, the negative electrode plate is positioned on the lower side surface of the diaphragm, the positive electrode plate is positioned on the upper side surface of the diaphragm, and the negative electrode plate and the positive electrode plate are collected at different collecting positions.
3. The cell disassembly method according to claim 1 or 2, further comprising, before the step of turning the cell to be disassembled up relatively to the overlap area between the ending diaphragm and the first section diaphragm:
pre-dismantling the battery cell to be dismantled, specifically comprising the following steps:
step a: removing the shell of the battery cell to be disassembled;
step b: cutting off the electrode lugs of the battery cell to be disassembled;
step c: acquiring the starting of a diaphragm; the beginning of the diaphragm is the end of the diaphragm from which disassembly begins.
4. The battery cell disassembling device is characterized by comprising a frame, wherein a film pressing mechanism and a film uncovering mechanism are arranged on the frame,
the film pressing mechanism is used for fixing the non-overlapping area of the ending diaphragm,
the film uncovering mechanism is used for uncovering the overlapping area of the ending diaphragm and the first section diaphragm; wherein,
the battery core to be disassembled is a laminated battery core; after the lamination of the lamination battery core is finished, the diaphragm can continuously wind around the lamination battery core, and the diaphragm continuously wound outside the lamination battery core is a ending diaphragm; the first section of diaphragm is the end part of the diaphragm, which starts to wrap the pole piece; an overlapping area is formed between the first section diaphragm and the ending diaphragm, and the overlapping area is an overlapping part of the first section diaphragm and the ending diaphragm; the non-overlapping region is a portion of the ending diaphragm that is outside of the overlapping region.
5. The cell disassembly device of claim 4, further comprising a feed mechanism, wherein,
the feeding mechanism comprises a mechanical clamping jaw,
the mechanical clamping jaw is connected with a rotating mechanism for vertically rotating the battery cell to be disassembled, wherein,
the direction of vertical rotation is the direction perpendicular to the lamination surface of the lamination cell.
6. The cell disassembly device of claim 4, further comprising a cell toggle mechanism, wherein,
the machine frame is provided with a working station,
and the battery core shifting mechanism is used for shifting the long side of the battery core to be disassembled until the overlapping area of the first section of diaphragm and the ending diaphragm is exposed after the battery core to be disassembled is positioned at the working station.
7. The cell disassembly device of claim 6, wherein a plurality of auxiliary stations are arranged side by side at the rear end of the working station,
the auxiliary station is used for reserving a space for the to-be-disassembled battery cell to be stirred to expose the overlapping area of the first section of diaphragm and the ending diaphragm.
8. The cell disassembly device of claim 4, further comprising a positive and a negative tab receiving bin, wherein,
the negative plate material receiving box and the positive plate material receiving box are sequentially arranged along the traction direction of the film uncovering mechanism;
the positive plate collecting box is used for collecting the positive plates;
the negative plate collecting box is used for collecting the negative plates.
9. The cell disassembly device according to any one of claims 4-8, further comprising a pre-disassembly mechanism, wherein,
the pre-disassembly mechanism is used for pre-disassembling the battery cell to be disassembled.
10. The cell disassembly device of claim 9, further comprising a traction mechanism, wherein,
the traction mechanism is used for traction of the uncovered first section of diaphragm.
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| CN202311505911.5A CN117239278B (en) | 2023-11-13 | 2023-11-13 | Battery cell disassembling method and battery cell disassembling device |
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| CN202311505911.5A CN117239278B (en) | 2023-11-13 | 2023-11-13 | Battery cell disassembling method and battery cell disassembling device |
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| CN117239278B CN117239278B (en) | 2024-03-12 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970680A (en) * | 2018-09-28 | 2020-04-07 | 有量科技股份有限公司 | Method for disassembling battery core |
| CN111370796A (en) * | 2018-12-25 | 2020-07-03 | 有研工程技术研究院有限公司 | Device and method for disassembling waste laminated power battery and separating positive and negative pole pieces |
| WO2021209074A1 (en) * | 2020-04-14 | 2021-10-21 | 宁波诺丁汉大学 | Lithium ion traction battery recycling method |
| CN114665181A (en) * | 2022-04-18 | 2022-06-24 | 广州工业智能研究院 | Battery separator and process method thereof |
| CN115312900A (en) * | 2022-09-01 | 2022-11-08 | 武汉蔚能电池资产有限公司 | Laminated battery cell disassembling device and disassembling method thereof |
| CN115528336A (en) * | 2022-04-08 | 2022-12-27 | 武汉蔚能电池资产有限公司 | Disassembling and recycling method, disassembling device and battery recycling method |
| CN218333946U (en) * | 2022-07-18 | 2023-01-17 | 风帆有限责任公司 | Core package detaching device behind lithium ion battery lamination |
| CN219881744U (en) * | 2023-06-01 | 2023-10-24 | 中创新航科技集团股份有限公司 | Separator of lamination battery |
-
2023
- 2023-11-13 CN CN202311505911.5A patent/CN117239278B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970680A (en) * | 2018-09-28 | 2020-04-07 | 有量科技股份有限公司 | Method for disassembling battery core |
| CN111370796A (en) * | 2018-12-25 | 2020-07-03 | 有研工程技术研究院有限公司 | Device and method for disassembling waste laminated power battery and separating positive and negative pole pieces |
| WO2021209074A1 (en) * | 2020-04-14 | 2021-10-21 | 宁波诺丁汉大学 | Lithium ion traction battery recycling method |
| CN115528336A (en) * | 2022-04-08 | 2022-12-27 | 武汉蔚能电池资产有限公司 | Disassembling and recycling method, disassembling device and battery recycling method |
| CN114665181A (en) * | 2022-04-18 | 2022-06-24 | 广州工业智能研究院 | Battery separator and process method thereof |
| CN218333946U (en) * | 2022-07-18 | 2023-01-17 | 风帆有限责任公司 | Core package detaching device behind lithium ion battery lamination |
| CN115312900A (en) * | 2022-09-01 | 2022-11-08 | 武汉蔚能电池资产有限公司 | Laminated battery cell disassembling device and disassembling method thereof |
| CN219881744U (en) * | 2023-06-01 | 2023-10-24 | 中创新航科技集团股份有限公司 | Separator of lamination battery |
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