CN213905465U - Soft-packaged power lithium ion single battery cell - Google Patents
Soft-packaged power lithium ion single battery cell Download PDFInfo
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- CN213905465U CN213905465U CN202022143971.5U CN202022143971U CN213905465U CN 213905465 U CN213905465 U CN 213905465U CN 202022143971 U CN202022143971 U CN 202022143971U CN 213905465 U CN213905465 U CN 213905465U
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- battery cell
- lithium ion
- soft
- power lithium
- air bag
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a soft packet of lithium ion battery cell technical field discloses a soft packet of power lithium ion battery cell, including last mould, lower mould, the lower mould is provided with the shaping arch, it is equipped with the shaping pit to go up the mould. The utility model has the advantages of it is following and effect: the hole punching die for the soft-packaged power lithium ion battery cell is used for punching the hole in the aluminum plastic film, the pit of the formed cell main body and the forming convex part of the reserved air bag part are formed, after the cell main body is packaged by the aluminum plastic film, the formed air bag is propped open by the convex part, when the cell is baked and vacuumized, water vapor in the cell can be smoothly pumped away, the aluminum plastic film after baking can not be wrinkled, and the baking effect is good.
Description
Technical Field
The utility model relates to a soft packet of power lithium ion battery cell technical field, in particular to soft packet of power lithium ion battery cell.
Background
In the production process of the soft package lithium ion battery cell at present, after the assembly and encapsulation of the battery cell and the aluminum plastic film are finished, the water in the battery cell is dried by a contact type drying oven generally. The contact type drying oven is used for pressurizing and heating through the clamping plate, heat is transferred to the interior of the battery cell through the clamping plate, and a certain breathing (vacuumizing-vacuum maintaining-nitrogen introducing) frequency is set, so that the battery cell is dried. However, when the battery is baked, the aluminum-plastic film at the air bag is tightly attached (as shown in fig. 5), so that the battery cell is in a sealed structure, water vapor cannot be pumped away through vacuum and is deposited inside the battery cell, and after the battery is baked, long protruding stripes appear on the surface of the aluminum-plastic film, which affects the appearance of the battery cell. When a cell with smaller thickness is produced, the phenomenon occurs more frequently, and about 20% of cell aluminum plastic film appearance wrinkles exist in one batch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a soft packet of power lithium ion battery cell has electric core and toasts effectual effect.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a soft packet of power lithium ion battery cell, includes plastic-aluminum membrane, electric core main part, the plastic-aluminum membrane is formed with the gasbag, the inside shaping of gasbag has the convex part.
Through adopting above-mentioned technical scheme, electricity core main part encapsulation is in the plastic-aluminum membrane, when using the contact oven to toast the evacuation, prop open the gasbag with the inside convex part of ability, makes the gasbag not laminate, and the inside aqueous vapor of electricity core can be taken out smoothly during the evacuation, and the plastic-aluminum membrane outward appearance does not have the fold after toasting, and the electricity core toasts effectually.
The utility model discloses a further set up to: the inside both sides of gasbag all are provided with the convex part, two the convex part is contradicted each other will the gasbag struts.
The utility model discloses a further set up to: the two convex parts are symmetrically arranged.
The utility model discloses a further set up to: the convex part is in a long strip shape.
The utility model discloses a further set up to: the convex part is formed on the inner side of the air bag after the outer wall of the aluminum plastic film is inwards concave.
Another object of the utility model is to provide a soft packet of power lithium ion battery cell dashes hole mould, include last mould, lower mould, the lower mould is provided with the shaping arch, it is equipped with the shaping pit to go up the mould.
By adopting the technical scheme, when the hole is punched, the aluminum-plastic film is arranged between the upper die and the lower die, and after the upper die and the lower die are attached, the forming bulge and the forming pit form the forming convex part at the reserved air bag part of the aluminum-plastic film.
The utility model discloses a further set up to: the molding bulges are provided with two, and the molding pits are provided with two.
Through adopting above-mentioned technical scheme, encapsulation electricity core body and formation gasbag can be folded to the gasbag, and the shaping arch sets up two, and the shaping pit is used for two convex parts of shaping on the plastic-aluminum membrane.
The utility model discloses a further set up to: the lower die is provided with a pit punching groove body, the upper die is provided with a pit punching press block, and the pit punching groove body and the pit punching press block are used for forming the pit of the cell main body.
The utility model has the advantages that: the hole punching die for the soft-packaged power lithium ion battery cell is used for punching the hole in the aluminum plastic film, the pit of the formed cell main body and the forming convex part of the reserved air bag part are formed, after the cell main body is packaged by the aluminum plastic film, the formed air bag is propped open by the convex part, when the cell is baked and vacuumized, water vapor in the cell can be smoothly pumped away, the aluminum plastic film after baking can not be wrinkled, and the baking effect is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the structure schematic diagram of the soft-packaged power lithium ion single battery of the present invention.
Fig. 2 is a schematic view of the aluminum-plastic film structure of the present invention.
Fig. 3 is the utility model discloses a soft packet of lithium ion battery cell dashes the structural schematic diagram of hole mould.
Fig. 4 is a schematic view of the upper die structure of the present invention.
Fig. 5 is a schematic structural diagram of a soft-package power lithium ion single battery in the prior art.
In the figure, 1, an upper die; 11. punching a pit and pressing a block; 12. forming a pit; 2. a lower die; 21. a pit punching groove body; 22. forming a bulge; 3. an aluminum-plastic film; 31. an air bag; 32. a convex portion; 33. the battery cell body is provided with a pit; 34. an air bag part is reserved.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example (b): the utility model provides a soft packet of power lithium ion battery cell, as shown in figure 1, figure 2, includes plastic-aluminum membrane 3, electric core main part, is formed with electric core main part pit, gasbag 31 in the plastic-aluminum membrane 3, and electric core main part is located electric core main part pit. Both sides of the inner wall of the air bag 31 are provided with strip-shaped convex parts 32, the convex parts 32 are formed on the inner side of the battery cell after the outer wall of the aluminum plastic film 3 is inwards concave, and the two convex parts 32 are symmetrically arranged and are mutually contacted to prop the air bag 31 open.
Aluminum-plastic membrane 3 uses soft packet of power lithium ion battery cell to dash hole mould to handle when handling, as shown in fig. 3, fig. 4, soft packet of power lithium ion battery cell dashes hole mould and includes mould 1, lower mould 2, goes up mould 1 and is provided with shaping pit 12, dashes hole briquetting 11, lower mould 2 is provided with shaping arch 22, dashes hole cell body 21, shaping pit 12, dashes hole briquetting 11 quantity and is two, shaping arch 22, dashes hole cell body 21 quantity and is two. The aluminum-plastic film 3 is arranged between the upper die 1 and the lower die 2, after the upper die 1 and the lower die 2 are attached, the forming bulge 22 and the forming pit 12 reserve a forming convex part 32 of the air bag 31 part on the aluminum-plastic film 3, and the pit punching press block 11 and the pit punching groove body 21 form a battery cell main body pit on the aluminum-plastic film 3.
When the soft-package power lithium ion battery cell is baked and vacuumized, the air bag 31 is opened due to the convex part 32, water vapor in the battery cell can be smoothly pumped away, no wrinkle can be formed on the surface of the battery cell after baking, and the baking effect is good.
Claims (5)
1. The utility model provides a soft packet of power lithium ion battery cell, includes plastic-aluminum membrane (3), electric core main part, its characterized in that: the aluminum plastic film (3) is provided with an air bag (31), and a convex part (32) is formed in the air bag (31).
2. The soft-packaged power lithium ion single battery cell of claim 1, characterized in that: protruding parts (32) are arranged on two sides of the interior of the air bag (31), and the protruding parts (32) are mutually abutted to prop the air bag (31) open.
3. The soft-packaged power lithium ion single battery cell of claim 2, characterized in that: the two convex parts (32) are symmetrically arranged.
4. The soft-packaged power lithium ion single battery cell of claim 1, characterized in that: the convex part (32) is in a long strip shape.
5. The soft-packaged power lithium ion single battery cell of claim 1, characterized in that: the convex part (32) is formed on the inner side of the air bag (31) after the outer wall of the aluminum-plastic film (3) is inwards concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143971.5U CN213905465U (en) | 2020-09-25 | 2020-09-25 | Soft-packaged power lithium ion single battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143971.5U CN213905465U (en) | 2020-09-25 | 2020-09-25 | Soft-packaged power lithium ion single battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213905465U true CN213905465U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022143971.5U Active CN213905465U (en) | 2020-09-25 | 2020-09-25 | Soft-packaged power lithium ion single battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213905465U (en) |
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2020
- 2020-09-25 CN CN202022143971.5U patent/CN213905465U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20211027 Address after: 441000 No.18 Wuxi Road, high tech Zone, Xiangyang City, Hubei Province Patentee after: CAMEL GROUP NEW ENERGY CELL Co.,Ltd. Address before: Floor g6-1001, Wuhan New Energy Research Institute building, 999 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: Camel Group Wuhan New Energy Technology Co.,Ltd. |