CN110970680A - Method for disassembling battery core - Google Patents
Method for disassembling battery core Download PDFInfo
- Publication number
- CN110970680A CN110970680A CN201811140413.4A CN201811140413A CN110970680A CN 110970680 A CN110970680 A CN 110970680A CN 201811140413 A CN201811140413 A CN 201811140413A CN 110970680 A CN110970680 A CN 110970680A
- Authority
- CN
- China
- Prior art keywords
- positive electrode
- negative electrode
- plates
- disassembling
- handles
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004806 packaging method and process Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Processing Of Solid Wastes (AREA)
- Primary Cells (AREA)
Abstract
The invention relates to a method for disassembling a battery core, which comprises the following steps: cutting three sides of the packaging bag; opening a bag sheet of the packaging bag; cutting the positive electrode handles and the negative electrode handles in the packaging bag; removing the tapes fixed on the positive plates, the negative plates and the isolating films; the separation mold is pulled up so that the respective positive electrode plates and the respective negative electrode plates are stacked, respectively. Therefore, the device can be classified and recycled according to the disassembled element materials, and further reduces the pollution to the environment.
Description
Technical Field
The invention relates to a battery core technology, in particular to a method for disassembling a battery core.
Background
With the progress and development of science and technology, batteries are increasingly popularized in various fields such as household appliances, electronic devices, electric locomotives or electric vehicles, wherein lithium batteries in the batteries have the advantages of stable power supply, good endurance, long service life and the like, and are an indispensable main role of the above devices.
However, after the batteries are used for a long time, the batteries need to be replaced or reimbursed for other factors such as reduction of the storage efficiency, aging of materials and the like or for safety in use. The disassembled or reimbursed batteries are partially discarded as general wastes, and the other part is recycled by a specific recycling manufacturer, and the above-mentioned methods are different, but the batteries are finally treated by grinding, burning or burying, so that not only the environment is seriously polluted, but also most of the components composing the batteries are recyclable materials, and a waste of limited resources is caused.
In view of the above, the present inventors have made extensive studies and studies to solve the above problems in combination with the application of the above prior art, and as a result, the present inventors have improved the present invention.
Disclosure of Invention
An object of the present invention is to provide a method for disassembling a battery cell, which reduces environmental pollution by disassembling and separating components and classifying and recycling the components according to materials.
In order to achieve the above objects, the present invention provides a method for disassembling a battery cell, the battery cell includes a packaging bag, a plurality of positive plates, a plurality of negative plates, a plurality of tapes and a separator, each of the positive plates has a positive handle, each of the negative plates has a negative handle, the method includes:
a) cutting three sides of the packaging bag;
b) opening a sheet of the packaging bag;
c) cutting the positive electrode handles and the negative electrode handles in the packaging bag;
d) removing the adhesive tapes fixed on the positive plates, the negative plates and the isolating films; and
e) the separation mold is pulled up so that the positive electrode plates and the negative electrode plates are stacked, respectively.
The invention also has the following effect that the disassembly of the battery core can be fully or semi-automatically operated through the continuous operation of the equipment.
Drawings
Fig. 1 is a schematic view of a battery core assembly according to the present invention.
Fig. 2 is a flow chart of a method for disassembling a battery cell according to the present invention.
Fig. 3 is a schematic cut-away view of the package of the present invention.
Fig. 4 is a cut-away view of the pole pieces of the present invention.
FIG. 5 is a schematic view of the combination of each plate, tape and separator of the present invention.
FIG. 6 is a schematic view of the tape of the present invention after removal.
FIG. 7 is a schematic view of the separator of the present invention after being pulled upward.
Fig. 8 is a cut-away view of the outer pole pieces of the package of the present invention.
Description of the symbols:
< the present invention >
1 … battery core
10 … packaging bag
11 … bag feeding sheet
12 … lower bag sheet
20 … positive plate
21 … positive pole handle
30 … negative plate
31 … negative pole handle
40 … adhesive tape
50 … isolating film
60 … external positive electrode handle
70 … external negative pole handle
a to f ….
Detailed Description
The detailed description and technical contents of the present invention are described below with reference to the accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the present invention.
Referring to fig. 1, a battery cell 1 mainly includes a packaging bag 10, a plurality of positive plates 20, a plurality of negative plates 30, a plurality of tapes 40, and a separator 50.
The packing bag 10 is a rectangular body having an upper bag sheet 11 and a lower bag sheet 12, which can be made of aluminum foil. The top edge of each positive plate 20 is connected with a positive handle 21, the top edge of each negative plate 30 is connected with a negative handle 31, each positive plate 20 and each negative plate 30 are separately stacked by a separation film 50, and each positive plate 20 and each negative plate 30 are arranged in a spaced and staggered manner, that is, any positive plate 20 is arranged between two adjacent negative plates 30.
The positive electrode stems 21 of the positive electrode plates 20 are stacked and combined with each other, and the negative electrode stems 31 of the negative electrode plates 30 are also stacked and combined with each other. And the combined structure of the positive electrode plates 20, the negative electrode plates 30 and the separator 50, which is accommodated inside the packaging bag 10 and filled with the electrolyte, is fixed by the tapes 40, so as to be combined into a battery cell 1.
Furthermore, the battery core 1 further includes an external positive electrode handle 60 and an external negative electrode handle 70, a portion of the external positive electrode handle 60 extends into the packaging bag 10 to connect with the positive electrode handle 21 of each positive electrode plate 20, and another portion of the external positive electrode handle 60 is exposed outside the packaging bag 10; a part of the external negative electrode stem 70 is inserted into the packaging bag 10 and connected to the negative electrode stem 31 of each negative electrode plate 30, and the other part of the external negative electrode stem 70 is exposed outside the packaging bag 10.
Referring to fig. 2 to 8, the present invention provides a method for disassembling a battery cell, which includes the steps of:
a) cutting three sides of the packing bag 10; referring to FIG. 3, in this step, a knife is used to cut three sides of the package 10, and one side of the package 10 having the external positive electrode handle 60 and the external negative electrode handle 70 is not cut; it can also be defined that one side of the package bag 10 combined with each positive electrode handle 21 and each negative electrode handle 31 is not cut, so as to avoid short circuit.
b) Opening a sheet of the packing bag 10; the bag sheet may be an upper bag sheet 11 or comprises an upper bag sheet 11 and a lower bag sheet 12, and the upper bag sheet 11 and the lower bag sheet 12 are opened towards one side of each positive electrode handle 21 and one side of each negative electrode handle 31 together, so that the positive electrode handles 21 of the positive electrode plates 20 and the negative electrode handles 31 of the negative electrode plates 30 are exposed; the positive electrode stems 21 of the positive electrode plates 20 and the negative electrode stems 31 of the negative electrode plates 30 may be exposed by opening only the upper bag sheet 11 toward one side of the positive electrode stems 21 and the negative electrode stems 31.
c) The positive electrode handles 21 and the negative electrode handles 31 cut off from the inside of the packaging bag 10; as shown in fig. 4, in this step, the positive electrode handles 21 and the negative electrode handles 31 are cut by a cutter, and the positive electrode handles 21 are cut to separate the positive electrode plates 20; similarly, the combined structure of the positive electrode plate 20, the negative electrode plate 30, the separator 50 and the tape 40 can be taken out of the packaging bag 10 when the negative electrode plates 30 are separated from each other after the negative electrode handles 31 are cut.
d) Removing the tapes 40 fixed to the positive electrode plates 20, the negative electrode plates 30, and the separators 50; as shown in fig. 5 and 6, the tapes 40 fixed to the positive electrode plates 20, the negative electrode plates 30, and the separators 50 are removed in this step, so that the positive electrode plates 20 and the negative electrode plates 30 are not restrained and restricted by the tapes 40.
e) Pulling up the separation mold 50 so that the positive electrode plates 20 and the negative electrode plates 30 are stacked, respectively; referring to fig. 7, the separation mold 50 is pulled up in this step, so that the positive electrode plates 20 and the negative electrode plates 30 are separated and stacked into a stack of positive electrode plates 20 and another stack of negative electrode plates 30, respectively.
Further, the method for disassembling the battery cell further comprises a step f): this step f) can be performed after step e) or before step a), as shown in fig. 8, wherein step f) is cutting the outer positive electrode stem 60 and the outer negative electrode stem 70 from the package 10.
After the above-described battery cell dismantling process is completed, the packaging bag 10, the positive electrode plate 20, the negative electrode plate 30, the separator 50, the positive electrode handles 21, and the negative electrode handles 31 are placed in different containers and classified.
Claims (10)
1. A method of disassembling a battery cell having a package, positive plates, negative plates, adhesive tapes, and a separator, each positive plate having a positive handle, each negative plate having a negative handle, the method comprising the steps of:
a) cutting three sides of the packaging bag;
b) opening a sheet of the packaging bag;
c) cutting the positive electrode handles and the negative electrode handles in the packaging bag;
d) removing the adhesive tapes fixed on the positive plates, the negative plates and the isolating films; and
e) the separation mold is pulled up so that the positive electrode plates and the negative electrode plates are stacked, respectively.
2. The method for disassembling a battery cell according to claim 1, wherein in the step a), one side of the packaging bag combined with each of the positive electrode handle and the negative electrode handle is not cut.
3. The method for disassembling a battery cell according to claim 1, wherein the packaging bag has an upper bag piece and a lower bag piece, and step b) is performed by opening the upper bag piece and the lower bag piece to one side of each of the positive electrode handles and the negative electrode handles, so that each of the positive electrode handles and each of the negative electrode handles are exposed.
4. The method for disassembling a battery cell according to claim 1, wherein the packaging bag has an upper bag piece, and step b) is performed by lifting the upper bag piece toward one side of each of the positive electrode handles and the negative electrode handles, so as to expose each of the positive electrode handles and each of the negative electrode handles.
5. The method for disassembling a battery cell according to claim 1, wherein the positive electrode plates are separated from each other after the positive electrode stems are cut in step c).
6. The method for disassembling a battery cell according to claim 1, wherein the negative electrode plates are separated from each other after the negative electrode handles are cut off in step c).
7. The method for disassembling a battery cell according to claim 1, wherein after the step c) is completed, the combined structure having each of the positive electrode plates, each of the negative electrode plates, the separator and each of the adhesive tapes is taken out of the package bag.
8. The method for disassembling a battery cell according to claim 1, wherein the battery cell further comprises an external positive electrode handle and an external negative electrode handle, the method further comprising a step f) of cutting the external positive electrode handle and the external negative electrode handle on the packaging bag.
9. The method for disassembling battery cells according to claim 8, wherein the step f) is performed after the step e).
10. The method for disassembling battery cells according to claim 8, wherein the step f) is performed before the step a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140413.4A CN110970680A (en) | 2018-09-28 | 2018-09-28 | Method for disassembling battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140413.4A CN110970680A (en) | 2018-09-28 | 2018-09-28 | Method for disassembling battery core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110970680A true CN110970680A (en) | 2020-04-07 |
Family
ID=70027842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811140413.4A Pending CN110970680A (en) | 2018-09-28 | 2018-09-28 | Method for disassembling battery core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110970680A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780461A (en) * | 2023-01-30 | 2023-03-14 | 扬州市华翔有色金属有限公司 | Waste lead storage battery classification recovery processing device |
| CN117239278A (en) * | 2023-11-13 | 2023-12-15 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117239278A (en) * | 2023-11-13 | 2023-12-15 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
| CN117239278B (en) * | 2023-11-13 | 2024-03-12 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
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Application publication date: 20200407 |