CN114204093A - Method for bending and edge sealing of soft package button battery - Google Patents
Method for bending and edge sealing of soft package button battery Download PDFInfo
- Publication number
- CN114204093A CN114204093A CN202010989233.4A CN202010989233A CN114204093A CN 114204093 A CN114204093 A CN 114204093A CN 202010989233 A CN202010989233 A CN 202010989233A CN 114204093 A CN114204093 A CN 114204093A
- Authority
- CN
- China
- Prior art keywords
- soft
- edge
- sealing
- button battery
- package button
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 76
- 238000005452 bending Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 55
- 230000037303 wrinkles Effects 0.000 claims abstract description 17
- 239000012785 packaging film Substances 0.000 claims abstract description 9
- 229920006280 packaging film Polymers 0.000 claims abstract description 9
- 238000009459 flexible packaging Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004049 embossing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention belongs to the technical field of soft package batteries, and relates to a method for bending and sealing edges of a soft package button battery, which comprises the steps of obtaining the soft package button battery with a hot sealing edge, wherein the extending direction of the hot sealing edge is along the radial direction of the soft package button battery; the axial direction of the soft package button battery at the heat-sealing edge is bent in the same direction at intervals to form pressing parts, and a wrinkle part is formed between every two adjacent pressing parts; the corrugated part is pressed and attached to the pressing part adjacent to the corrugated part. Carry out syntropy bending type through every interval at a distance on the heat-seal limit with the axial of the soft packet of button cell in heat-seal border and become to press the splenium, adjacent press to form the fold portion between the splenium, press the fold portion the laminating adjacent with the fold portion on pressing the splenium, replaced the mode of pressing the ripple limit to the risk of having avoided the impressed watermark head to crush flexible packaging film has also avoided because the soft packet of button cell's that the pressure ripple produced bad outward appearance, the not good problem of performance.
Description
Technical Field
The invention belongs to the technical field of soft package batteries, and particularly relates to a method for bending and edge sealing of a soft package button battery.
Background
The soft-package button battery has the advantages of good safety performance (no explosion happens like a steel shell and aluminum shell battery cell), light weight and the like, so that the soft-package button battery is more and more widely applied.
The existing soft package button battery is usually required to be corrugated to an annular sealing edge in the preparation process, the risk of crushing an aluminum plastic film exists in the corrugation pressing process, and the problem of poor appearance easily occurs in the embossing position in the bending process after embossing.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problem that the existing soft package button battery has the risk of crushing an aluminum plastic film in the process of pressing ripples, the method for bending and sealing the edges of the soft package button battery is provided.
In order to solve the technical problem, an embodiment of the invention provides a method for bending and edge sealing a soft package button battery, which comprises the following steps: obtaining a soft package button battery with a hot sealing edge, wherein the extending direction of the hot sealing edge is along the radial direction of the soft package button battery;
the heat-sealing edges are bent in the same direction along the axial direction of the soft-package button battery at intervals to form pressing parts, and a wrinkle part is formed between every two adjacent pressing parts;
and pressing and attaching the folded part to the pressing part adjacent to the folded part.
Optionally, the pressing portion is tightly attached to the outer side wall of the soft package button battery.
Optionally, the corrugated portion is closely attached to the pressing portion.
Optionally, the corrugated portion is attached to the pressing portion clockwise or counterclockwise along the circumferential direction of the soft-packaged button battery.
Optionally, the number of the fold portions is greater than or equal to 2.
Optionally, before obtaining the soft-package button battery with the hot edge sealing, the method for bending and edge sealing of the soft-package button battery further includes obtaining a pole core with a positive pole tab and a negative pole tab;
obtaining a first half shell having a first hem seal and a second half shell having a second hem seal formed by stamping a flexible packaging film;
placing the pole piece in the first half shell;
butting the first sealing edge and the second sealing edge, so that the first half shell and the second half shell form a shell for accommodating the pole core, and the outer end of the positive pole lug and the outer end of the negative pole lug respectively penetrate out from the space between the first sealing edge and the second sealing edge;
and heat-sealing the first sealed edge and the second sealed edge to form the heat sealed edge.
Optionally, after the first sealing edge and the second sealing edge are heat-sealed to form the hot sealing edge, the method for bending the sealing edge of the soft-package button battery further includes cutting the hot sealing edge to cut off redundant leftover materials.
Optionally, the first half shell is provided with a first pole core pit, the pole core being accommodated within the first pole core pit.
Optionally, the second half shell is provided with a second pole core pit, and after the first half shell and the second half shell are butted, the first pole core pit and the second pole core pit form a containing cavity for containing the pole core.
Optionally, the flexible packaging film is an aluminum-plastic composite film.
Compared with the prior art, the method for bending and sealing the edge of the soft-package button battery provided by the embodiment of the invention has the advantages that the heat-sealing edge is bent in the same direction along the axial direction of the soft-package button battery at intervals on the heat-sealing edge to form the pressing parts, the wrinkle parts are formed between the adjacent pressing parts, and the wrinkle parts are pressed and attached to the pressing parts adjacent to the wrinkle parts, so that the mode of pressing the ripple edges is replaced, the risk that the soft package film is crushed by the embossing seal head is avoided, and the problems of poor appearance and poor performance of the soft-package button battery caused by ripple pressing are also avoided.
Drawings
Fig. 1 is a schematic structural diagram of a soft pack button battery provided by an embodiment of the invention when a heat-sealed edge is not pressed;
fig. 2 is a schematic structural diagram of the soft pack button battery of fig. 1 when the hot-sealed edge is pressed to form a pressing part and a crumpled part;
fig. 3 is a schematic structural view of the pouch button cell of fig. 2 in which a wrinkle portion is attached to a pressing portion.
The reference numerals in the specification are as follows:
1. soft-packaged button batteries;
11. performing hot edge sealing; 111. a pressing part; 112. a wrinkle part;
12. a positive tab; 13. and a negative tab.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, which are schematic structural diagrams of a soft-package button battery in various states, the method for bending and edge sealing of the soft-package button battery provided by the embodiment of the invention includes the following steps:
s10: obtaining a soft-package button battery 1 with a thermal sealing edge 11, wherein the extending direction of the thermal sealing edge 11 is along the radial direction of the soft-package button battery 1;
s20: the heat sealing edge 11 is bent in the same direction along the axial direction of the soft package button battery 1 at intervals on the heat sealing edge 11 to form pressing parts 111, and when the pressing parts 111 are formed, a corrugated part 112 is formed between the adjacent pressing parts 111;
s30: the wrinkle part 112 is pressed and bonded to the pressing part 111 adjacent to the wrinkle part 112.
Carry out the syntropy bending type with heat banding 11 along soft packet of button cell 1's axial through a distance at a certain interval on heat-seal limit 11 and press portion 111, adjacent press and form fold portion 112 between the portion 111, press the laminating with fold portion 112 on the portion 111 of pressing that is adjacent with fold portion 112, replaced the mode of pressing the ripple limit, thereby avoided the risk that the flexible packaging film was crushed to the impressed watermark head, also avoided because the soft packet of button cell 1 that the pressure ripple produced the outward appearance is bad, the problem of not good performance.
In one embodiment, as shown in fig. 3, the pressing portion 111 is tightly attached to the outer side wall of the soft pack button battery 1. The size of the soft package button battery 1 can be effectively reduced. Wherein, can press into hot banding 11 through the mode that the manual work was pressed and press the portion 111, perhaps can press through the machine, when pressing through the machine, can adopt the pressing die head with soft packet of button cell's shape looks adaptation, press hot banding 11 through the driving piece drive pressing die head.
In one embodiment, as shown in fig. 3, the corrugated portion 112 is tightly attached to the pressing portion 111. The size of the soft package button battery 1 can be effectively reduced. The wrinkled portion 112 may be attached to the pressing portion 111 by manual pressing, or the wrinkled portion 112 may be pressed by a machine, which is not limited herein.
Preferably, as shown in fig. 3, the wrinkled portion 112 is attached to the pressing portion 111 clockwise or counterclockwise along the circumferential direction of the softly wrapped button battery 1. So as to reduce the size of the soft package button cell 1 and improve the appearance of the soft package button cell 1.
Of course, the wrinkles 112 may not be completely attached to the pressing portion 111 clockwise or counterclockwise along the circumferential direction of the softly-packaged button battery, and a part of the wrinkles may be attached to the pressing portion 111 clockwise along the circumferential direction of the softly-packaged button battery, and another part of the wrinkles may be attached to the pressing portion 111 counterclockwise along the circumferential direction of the softly-packaged button battery, which is not limited herein.
In one embodiment, as shown in fig. 2-3, the number of the corrugated portions 112 is greater than or equal to 2. The distance and the number of the folded parts 112 can be adaptively adjusted according to the specific size of the pouch button cell 1, for example, 6 folded parts 112 can be provided, and the invention is not limited herein.
In an embodiment, before step S10, that is, before obtaining the pouch button cell 1 having the heat seal edge 11, the method for bending the seal edge of the pouch button cell further includes:
step S40: obtaining a pole core with a positive pole lug 12 and a negative pole lug 13;
step S50: obtaining a first half shell having a first hem seal and a second half shell having a second hem seal formed by stamping a flexible packaging film; the positive tab 12 and the negative tab 13 are not particularly limited, and may be selected according to actual requirements, for example, metal strips or metal sheets made of gold, platinum, aluminum, copper, or the like may be used; the pole core is not particularly limited, and a winding core or a lamination structure cell commonly used in the art can be adopted; the soft packaging film is preferably an aluminum-plastic composite film which is good in compression resistance, heat sealing performance and sealing performance, can effectively prevent the leakage of the battery in the soft package button battery, and prolongs the service life of the soft package button battery;
step S60: placing the pole piece in the first half shell;
step S70: butting the first sealing edge and the second sealing edge, so that the first half shell and the second half shell form a shell for containing the pole core, and the outer end of the positive pole lug 12 and the outer end of the negative pole lug 13 respectively penetrate out from the space between the first sealing edge and the second sealing edge;
step S80: and heat sealing the first sealing edge and the second sealing edge to form a hot sealing edge 11.
In step S50, a first half shell having a first hem seal and a second half shell having a second hem seal stamped and formed from flexible packaging film are obtained. The first half shell which can be punched is provided with a first pole core pit for accommodating the pole core, the second half shell is not provided with a pole core pit for accommodating the pole core, and the whole pole core is accommodated in the first pole core pit; the first half shell which is punched into the pole core accommodating cavity can be provided with a first pole core pit, the second half shell which is punched into the pole core accommodating cavity can be provided with a second pole core pit, and after the first half shell and the second half shell are butted, the first pole core pit and the second pole core pit form an accommodating cavity for accommodating the pole core, and the pole core is accommodated in the accommodating cavity.
In step S80, heat-sealing the first and second sealed edges to form a hot sealed edge 11; and when the first sealing edge and the second sealing edge are heat sealed, the heat sealing machine can carry out heat sealing.
In an embodiment, after step S80, that is, after the heat-sealing the first sealing edge and the second sealing edge to form the thermal sealing edge 11, the method for bending the sealing edge of the softly sealed button cell further includes:
step S90: the heat-sealed sides 11 are cut to remove excess trim. Wherein the hot seal 11 can be cut by a cutting machine.
In an embodiment, after step S30, that is, after the pressing and attaching the wrinkle part 112 to the pressing part 111 adjacent to the wrinkle part 112, the method for bending the edge sealing of the softly-packed button cell further includes:
step S100: the sleeve is sleeved on the periphery of the skirt edge (formed by the wrinkle part 112 and the pressing part 111) of the soft package button battery through the film sleeving machine so as to protect the soft package button battery.
Compared with the prior art, the method for bending and sealing the edge of the soft-package button battery provided by the embodiment of the invention has the advantages that the hot-seal edge 11 is bent in the same direction along the axial direction of the soft-package button battery 1 at intervals on the hot-seal edge 11 to form the pressing parts 111, the folded parts 112 are formed between the adjacent pressing parts 111, and the folded parts 112 are pressed and attached to the pressing parts 111 adjacent to the folded parts 112, so that a mode of pressing the corrugated edges is replaced, the risk that the soft package film is damaged by pressing of an embossing seal head is avoided, and the problems of poor appearance and poor performance of the soft-package button battery 1 caused by corrugation pressing are also avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for bending and edge sealing of a soft package button battery is characterized by comprising the following steps:
obtaining a soft package button battery with a hot sealing edge, wherein the extending direction of the hot sealing edge is along the radial direction of the soft package button battery;
the heat-sealing edges are bent in the same direction along the axial direction of the soft-package button battery at intervals to form pressing parts, and a wrinkle part is formed between every two adjacent pressing parts;
and pressing and attaching the folded part to the pressing part adjacent to the folded part.
2. The method for bending and edge sealing of the soft-package button battery according to claim 1, wherein the pressing part is tightly attached to the outer side wall of the soft-package button battery.
3. The method for bending and sealing edges of the soft-package button battery according to claim 2, wherein the folded part is tightly attached to the pressing part.
4. The method for bending and sealing the edge of the soft-package button battery according to claim 1, wherein the wrinkled part is attached to the pressing part clockwise or anticlockwise along the circumferential direction of the soft-package button battery.
5. The method for bending and edge sealing of the soft-package button battery according to claim 1, wherein the number of the wrinkles is greater than or equal to 2.
6. The method for bending and edge sealing of the soft-package button battery according to claim 1, wherein before the soft-package button battery with the hot edge sealing is obtained, the method for bending and edge sealing of the soft-package button battery further comprises the steps of obtaining a pole core with a positive pole lug and a negative pole lug;
obtaining a first half shell having a first hem seal and a second half shell having a second hem seal formed by stamping a flexible packaging film;
placing the pole piece in the first half shell;
butting the first sealing edge and the second sealing edge, so that the first half shell and the second half shell form a shell for accommodating the pole core, and the outer end of the positive pole lug and the outer end of the negative pole lug respectively penetrate out from the space between the first sealing edge and the second sealing edge;
and heat-sealing the first sealed edge and the second sealed edge to form the heat sealed edge.
7. The method for bending the edge banding for the soft-package button cell as claimed in claim 6, wherein after said heat-sealing the first edge banding and the second edge banding to form the heat-sealed edge banding, the method for bending the edge banding for the soft-package button cell further comprises cutting the heat-sealed edge banding to cut off excess leftover materials.
8. The method for bending and sealing edges of the soft-package button battery according to claim 6, wherein the first half shell is provided with a first pole core pit, and the pole core is accommodated in the first pole core pit.
9. The method for bending and sealing the edge of the soft-package button cell according to claim 8, wherein the second half shell is provided with a second polar core pit, and after the first half shell and the second half shell are butted, the first polar core pit and the second polar core pit form a containing cavity for containing the polar core.
10. The method for bending and edge sealing of the soft-package button cell according to claim 6, wherein the soft packaging film is made of an aluminum-plastic composite film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989233.4A CN114204093A (en) | 2020-09-18 | 2020-09-18 | Method for bending and edge sealing of soft package button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989233.4A CN114204093A (en) | 2020-09-18 | 2020-09-18 | Method for bending and edge sealing of soft package button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114204093A true CN114204093A (en) | 2022-03-18 |
Family
ID=80645228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010989233.4A Pending CN114204093A (en) | 2020-09-18 | 2020-09-18 | Method for bending and edge sealing of soft package button battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114204093A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110091753A1 (en) * | 2009-10-21 | 2011-04-21 | Ditto | Rechargeable lithium ion button cell battery |
| CN208062190U (en) * | 2018-04-17 | 2018-11-06 | 广东国光电子有限公司 | A kind of flexible packing lithium ion battery |
| CN208208836U (en) * | 2018-06-04 | 2018-12-07 | 广东国光电子有限公司 | A kind of Soft Roll disc Li-ion batteries piles |
| CN109860445A (en) * | 2019-01-10 | 2019-06-07 | 金能电池(东莞)有限公司 | A kind of novel aluminum plastic film button cell |
| CN110137519A (en) * | 2019-05-27 | 2019-08-16 | 广东新宇智能装备有限公司 | A kind of side Zhe Tang mechanism and its folding edge ironing technology for Soft Roll bluetooth button cell |
| CN110416442A (en) * | 2019-06-19 | 2019-11-05 | 金能电池(东莞)有限公司 | A kind of multi pole ears plastic-aluminum film battery |
| CN111244380A (en) * | 2020-02-25 | 2020-06-05 | 惠州锂威新能源科技有限公司 | Laminate type soft package button battery |
| CN111605169A (en) * | 2020-06-02 | 2020-09-01 | 路华置富电子(深圳)有限公司 | Wrinkle-making die, method for manufacturing soft-package button cell and soft-package button cell |
-
2020
- 2020-09-18 CN CN202010989233.4A patent/CN114204093A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110091753A1 (en) * | 2009-10-21 | 2011-04-21 | Ditto | Rechargeable lithium ion button cell battery |
| CN208062190U (en) * | 2018-04-17 | 2018-11-06 | 广东国光电子有限公司 | A kind of flexible packing lithium ion battery |
| CN208208836U (en) * | 2018-06-04 | 2018-12-07 | 广东国光电子有限公司 | A kind of Soft Roll disc Li-ion batteries piles |
| CN109860445A (en) * | 2019-01-10 | 2019-06-07 | 金能电池(东莞)有限公司 | A kind of novel aluminum plastic film button cell |
| CN110137519A (en) * | 2019-05-27 | 2019-08-16 | 广东新宇智能装备有限公司 | A kind of side Zhe Tang mechanism and its folding edge ironing technology for Soft Roll bluetooth button cell |
| CN110416442A (en) * | 2019-06-19 | 2019-11-05 | 金能电池(东莞)有限公司 | A kind of multi pole ears plastic-aluminum film battery |
| CN111244380A (en) * | 2020-02-25 | 2020-06-05 | 惠州锂威新能源科技有限公司 | Laminate type soft package button battery |
| CN111605169A (en) * | 2020-06-02 | 2020-09-01 | 路华置富电子(深圳)有限公司 | Wrinkle-making die, method for manufacturing soft-package button cell and soft-package button cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1739766B1 (en) | Film-packaged electric device and its manufacturing method | |
| JP2000173559A (en) | Thin battery bag body | |
| JP5676172B2 (en) | Manufacturing method of laminated film exterior laminated battery | |
| CN112736288B (en) | Battery packaging method, battery and electronic equipment | |
| JP5205790B2 (en) | Battery and battery manufacturing method | |
| CN213212234U (en) | Soft package battery | |
| CN114204093A (en) | Method for bending and edge sealing of soft package button battery | |
| CN111605169B (en) | Wrinkle-making die, method for manufacturing soft-package button cell and soft-package button cell | |
| CN108428812B (en) | Packaging shell and laminate polymer battery | |
| JP7434168B2 (en) | battery | |
| JP2002319374A (en) | Sealed battery | |
| JP2006156161A (en) | Sealed battery | |
| JP4016217B2 (en) | Battery manufacturing method | |
| JP4806892B2 (en) | battery | |
| CN213401325U (en) | Soft package battery | |
| CN209880672U (en) | Secondary battery | |
| CN213401326U (en) | Soft package battery | |
| CN217544689U (en) | Battery with a battery cell | |
| CN216085079U (en) | Battery packaging bag sealing device and exhaust equipment for soft package battery | |
| CN220731647U (en) | Soft package battery | |
| CN217655968U (en) | Power battery and vehicle | |
| CN114156518A (en) | Packaging method of soft package button battery | |
| CN216563324U (en) | Soft packet of plastic-aluminum membrane shell for lithium cell | |
| CN219832824U (en) | Aluminum plastic film structure for cylindrical battery and cylindrical battery thereof | |
| CN114899537B (en) | Soft package lithium battery aluminum plastic film heat sealing method and soft package lithium battery structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |