CN114156518A - Packaging method of soft package button battery - Google Patents
Packaging method of soft package button battery Download PDFInfo
- Publication number
- CN114156518A CN114156518A CN202010928966.7A CN202010928966A CN114156518A CN 114156518 A CN114156518 A CN 114156518A CN 202010928966 A CN202010928966 A CN 202010928966A CN 114156518 A CN114156518 A CN 114156518A
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- Prior art keywords
- edge
- soft
- angle
- half shell
- heat
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 92
- 238000004049 embossing Methods 0.000 claims abstract description 15
- 239000012785 packaging film Substances 0.000 claims abstract description 9
- 229920006280 packaging film Polymers 0.000 claims abstract description 9
- 230000000295 complement effect Effects 0.000 claims abstract description 6
- 238000009459 flexible packaging Methods 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000004080 punching Methods 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
- 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
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process 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
- 239000012528 membrane Substances 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
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
- H01M10/0427—Button 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 packaging method of a soft package button battery, which 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; a first angle is formed between the first sealing edge and the side wall of the first half shell, and a second angle is formed between the second sealing edge and the second half shell; the first angle is complementary to the second angle, and the first angle and the second angle are non-orthogonal; 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; heat-sealing the first sealed edge and the second sealed edge to form a hot sealed edge; embossing the heat-sealed edges; and locking the embossed heat-sealing edge to form a skirt edge surrounding the periphery of the shell. The packaging method can not cause pulling to the heat-sealing edge and damage to the internal structure of the pole core.
Description
Technical Field
The invention belongs to the technical field of soft package batteries, and particularly relates to a packaging method of a soft package button battery.
Background
The button cell is also called as button cell, which is a cell with the external dimension like a small button, generally has larger diameter and thinner thickness; button cells are widely used in various miniature electronic products due to their small size. In recent years, with the development of science and technology, button batteries are more and more deeply inserted into the lives of people, which puts higher and higher requirements on the safety performance of the button batteries.
Particularly, the soft package button battery has the advantages of good safety performance (unlike a steel shell aluminum shell battery cell which can explode), light weight and the like.
Present soft packet of button cell is when the encapsulation, need dash the hole to form to the plastic-aluminum membrane on, the inferior valve, arrange the utmost point core in, in the inferior valve, the banding of inferior valve on the horizontal packaging, embossing pattern is pressed to the banding, the terminal surface that directly pushes the horizontal banding bends it, make the banding directly become vertical direction (along soft packet of button cell's axial) by horizontal direction (along soft packet of button cell), the hem is accomplished to rethread locking mechanism, this kind of packaging method causes the harm and causes the harm to the utmost point core easily to the banding.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problems that the edge sealing is easy to damage and the pole core is easy to damage by the existing packaging method of the soft package button battery, the packaging method of the soft package button battery is provided.
In order to solve the technical problem, an embodiment of the present invention provides a method for packaging a soft-package button battery, including:
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; the first seal forming a first angle with a sidewall of the first half shell and the second seal forming a second angle with the second half shell; the first angle is complementary to the second angle, and the first angle and the second angle are non-orthogonal;
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;
heat-sealing the first seal edge and the second seal edge to form a hot seal edge, wherein the first angle and the second angle are not changed after heat-sealing;
embossing the hot seal edge;
and locking the embossed hot seal edge to form a skirt edge surrounding the periphery of the shell.
Optionally, after the first sealing edge and the second sealing edge are heat sealed to form a hot sealing edge, the method for packaging a button cell with soft package further includes connecting the positive tab and the negative tab to a positive electrode and a negative electrode of an external power supply respectively, and forming the button cell with soft package through the external power supply.
Optionally, before the soft package button battery is formed by the external power supply, the first sealing edge and the second sealing edge are heat-sealed, and after the heat sealing edge is formed, the method for packaging the soft package button battery further includes cutting the heat sealing edge to cut off redundant leftover bits.
Optionally, after the embossed hot seal edge is locked to form a skirt surrounding the periphery of the shell, the method for packaging the soft-package button cell further includes sleeving a sleeve on the periphery of the skirt through a film sleeving machine.
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 first angle is in the range of 110 ° -160 °; the second angle is in the range of 20-70 degrees.
Optionally, embossing the heat seal edge by an embosser; the embossing part of the embossing machine is provided with a sawtooth structure so as to press the heat-sealing edges into sawtooth heat-sealing edges.
Optionally, the pole core adopts a winding core, or the pole core adopts a battery core with a laminated structure.
Optionally, the flexible packaging film is an aluminum-plastic composite film.
Compared with the prior art, the packaging method of the soft package button battery provided by the embodiment of the invention has the advantages that the soft package film is punched into the first half shell with the first sealing edge and the second half shell with the second sealing edge, the first angle is formed between the first sealing edge and the side wall of the first half shell, and the second angle is formed between the second sealing edge and the second half shell; the first angle is complementary to the second angle, and the first angle and the second angle are non-orthogonal; make first banding for the lateral wall of first half shell has inclined certain angle, the second banding has inclined certain angle for the lateral wall of second half shell, make when carrying out the heat-seal to first banding and second banding, can directly form the heat banding that has certain inclination, thereby when locking the formation in the shirt rim around the casing periphery in the heat-seal limit that will have certain inclination, can not cause the pull to the heat-seal limit, prevent to cause the harm to the heat-seal limit, and when locking the formation in the shirt rim around the casing periphery in the heat-seal limit that will have certain inclination, can not cause the harm to the inner structure of utmost point core.
Drawings
Fig. 1 is a cross-sectional view of a soft-packaged button cell provided by an embodiment of the invention when the soft-packaged button cell is heat-sealed and has an inclined heat-sealed edge;
fig. 2 is a cross-sectional view of a pouch button cell provided by an embodiment of the invention when heat-sealed;
fig. 3 is a schematic structural diagram of a soft-package button battery provided by an embodiment of the present invention after heat sealing, which has an oblique heat sealing edge and is embossed;
fig. 4 is a schematic structural diagram of a soft-package button battery provided by an embodiment of the present invention when a skirt is formed by a hot sealing edge after locking.
The reference numerals in the specification are as follows:
1. a pole piece; 11. a positive tab; 12. a negative tab;
2. a housing; 21. a first half shell; 211. first edge sealing; 22. a second half shell; 221. second edge sealing; 23. performing hot edge sealing; 24. a skirt edge;
31. an end socket upper die; 32. and (5) sealing head lower dies.
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.
The packaging method of the soft package button battery provided by the embodiment of the invention comprises the following steps: as shown in the figures 1-4 of the drawings,
s10: obtaining a pole core 1 with a positive pole lug 11 and a negative pole lug 12; the positive tab 11 and the negative tab 12 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 1 is not particularly limited, and a winding core or a lamination structure of a battery cell commonly used in the art may be used; 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 battery;
s20: obtaining a first half-shell 21 with a first sealing edge 211 and a second half-shell 22 with a second sealing edge 221, obtained by flexible packaging film stamping; a first angle α is formed between first seal 211 and the side wall of first half-shell 21, and a second angle β is formed between second seal 221 and second half-shell 22; the first angle α is complementary to the second angle β, and the first angle α and the second angle β are non-orthogonal;
s30: the pole piece 1 is placed in the first half-shell 21;
s40: butting the first sealing edge 211 and the second sealing edge 221, so that the first half shell 21 and the second half shell 22 form a shell 2 for accommodating the pole core 1, and the outer end of the positive pole tab 11 and the outer end of the negative pole tab 12 respectively penetrate through the space between the first sealing edge 211 and the second sealing edge 221;
s50: heat-sealing the first and second seals 211, 221 to form the hot seal 23, wherein the first and second angles are unchanged after heat-sealing;
s60: as shown in fig. 3, the heat seal edge 23 is embossed;
s70: as shown in fig. 4, the embossed heat-seal lands 23 are locked to form a skirt 24 around the outer periphery of the case 2.
Compared with the prior art, the packaging method of the soft-package button cell provided by the embodiment of the invention has the advantages that the soft packaging film is punched into the first half shell 21 with the first sealing edge 211 and the second half shell 22 with the second sealing edge 221, the first angle alpha is formed between the first sealing edge 211 and the side wall of the first half shell 21, and the second angle beta is formed between the second sealing edge 221 and the second half shell 22; the first angle α is complementary to the second angle β, and the first angle α and the second angle β are non-orthogonal; make first banding 211 for the lateral wall of first half shell 21 has inclined certain angle, second banding 221 has inclined certain angle for the lateral wall of second half shell 22, make when carrying out the heat-seal to first banding 211 and second banding 221 through the packaging machine, can directly form the heat-seal limit 23 that has certain inclination, thereby locking the mechanism and locking the formation in the shirt rim 24 around casing 2 periphery in the heat-seal limit 23 that will have certain inclination, can not cause the dragging to heat-seal limit 23, prevent to cause the harm to heat-seal limit 23, and locking the mechanism and locking the formation in the shirt rim 24 around casing 2 periphery in the heat-seal limit 23 that will have certain inclination, can not cause the harm to the inner structure of utmost point core 1.
In step S20, a first half shell 21 having a first sealing edge 211 and a second half shell 22 having a second sealing edge 221, which are formed by flexible packaging film punching, are obtained. Wherein the first half-shell 21, which may be stamped, has a first pole core pit for accommodating the pole core 1, the second half-shell 21 does not have a pole core pit for accommodating the pole core 1, and the entire pole core 1 is accommodated in the first pole core pit; the first half shell 21 that can also be the punching press has first pole core hole, and the second half shell 22 that punches has second pole core hole, and after first half shell 21 and second half shell 22 docked, first pole core hole and second pole core hole formed the holding chamber that holds pole core 1, and pole core 1 holds in holding the intracavity.
Preferably, the first angle α is in the range of 110 ° to 160 °; the second angle beta is in the range of 20 deg. -70 deg.. Within this range, when the inclined heat seal edge 23 formed by heat-sealing the first seal edge 211 and the second seal edge 221 is locked by the locking mechanism to form the skirt 24 around the outer periphery of the housing 2, the heat seal edge 23 cannot be damaged by pulling.
In one embodiment, the first angle α is 120 ° and the second angle β is 60 °. The effect of locking the heat seal edge 23 to form the skirt 24 is better.
In step S50, heat-sealing the first sealing edge 211 and the second sealing edge 221 to form a hot sealing edge 23; wherein, the first sealing edge 211 and the second sealing edge 221 can be heat sealed by a heat sealing machine when being heat sealed; the packaging machine can be modified by adopting the existing packaging machine, as shown in fig. 2, only the upper sealing head die 31 and the lower sealing head die 32 in the packaging machine need to be designed into the profiling structures matched with the inclination angles of the first sealing edge 211 and the second sealing edge 221, so that the heat-sealed edges 23 with corresponding inclination angles (namely, the inclination angles of the original sealing edges are not changed) can be formed after the first sealing edge 211 and the second sealing edge 221 are heat-sealed.
In step S60, the heat-sealed side 23 is embossed; wherein the heat seal edge 23 may be embossed by an embosser (not shown); the embossing part of the embossing machine is also designed by matching the inclination angles of the first sealing edge 211 and the second sealing edge 221, so that the inclination angle of the heat-sealed edge 23 formed by the first sealing edge 211 and the second sealing edge 221 cannot be changed in the embossing process, and the subsequent locking step of the heat-sealed edge 23 is facilitated.
In step S70, the embossed heat-seal land 23 is locked to form a skirt 24 around the outer periphery of the case 2. Wherein the embossed heat-seal edges 23 can be locked by a locking mechanism (not shown) to form a skirt 24 around the outer periphery of the housing 2; the locking mechanism may be an existing locking mechanism, and the specific structure of the locking mechanism is not limited herein as long as the heat-sealing edge 23 with a certain inclination angle can be locked into a skirt 24 surrounding the periphery of the housing 2.
In one embodiment, the embossing portion of the embosser has a serrated configuration to compress the heat seal edge 23 into a serrated heat seal edge 23. The embossing part of the embossing machine is not necessarily a saw-toothed structure, but may be a wave-shaped structure or other structures.
In an embodiment, after the step S50, that is, after the first sealing edge 211 and the second sealing edge 221 are heat-sealed to form the thermal sealing edge 23, the method for packaging a pouch button cell further includes
Step S80: the positive tab 11 and the negative tab 12 are respectively connected to a positive electrode and a negative electrode of an external power supply, and the soft-package button battery is formed by the external power supply to activate the soft-package button battery, wherein the forming adopts the existing forming method, so more detailed operation steps are not repeated herein.
In an embodiment, before step S80 and after step S50, that is, before the positive tab 11 and the negative tab 12 are connected to the positive electrode and the negative electrode of the external power supply, respectively, and before the soft package button battery is formed by the external power supply, the first sealing edge 211 and the second sealing edge 221 are heat-sealed, and after the heat sealing edge 23 is formed, the method for packaging the soft package button battery further includes
Step S90: the hot seal 23 is cut to remove excess trim. Wherein the hot seal 23 may be cut by a guillotine; wherein the guillootine can adopt current guillootine to repack, only need change the direction that cuts of cutter, change into promptly can to cut the structure that has certain inclination's hot banding 23 for the guillootine can cut the heat-seal limit 23 that has certain inclination.
In an embodiment, after step S70, namely, after the embossed heat-sealing edge 23 is locked to form the skirt 24 around the outer periphery of the casing 2, the method for packaging a soft-pack button cell further includes
Step S100: and sleeving a sleeve on the periphery of the skirt edge 24 through a film sleeving machine so as to protect the soft package button cell.
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 packaging method of a soft package button battery is characterized by comprising the following steps:
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; the first seal forming a first angle with a sidewall of the first half shell and the second seal forming a second angle with the second half shell; the first angle is complementary to the second angle, and the first angle and the second angle are non-orthogonal;
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;
heat-sealing the first seal edge and the second seal edge to form a hot seal edge, wherein the first angle and the second angle are not changed after heat-sealing;
embossing the hot seal edge;
and locking the embossed hot seal edge to form a skirt edge surrounding the periphery of the shell.
2. The packaging method of the soft-package button battery according to claim 1, wherein after the first sealing edge and the second sealing edge are heat sealed to form a heat sealing edge, the packaging method of the soft-package button battery further comprises connecting the positive tab and the negative tab with a positive electrode and a negative electrode of an external power supply respectively, and forming the soft-package button battery through the external power supply.
3. The method for packaging a soft-package button cell according to claim 2, wherein before the soft-package button cell is formed by the external power supply, the first sealing edge and the second sealing edge are heat-sealed, and after the hot sealing edge is formed, the method for packaging a soft-package button cell further comprises cutting the hot sealing edge to cut off excess leftover materials.
4. The method for packaging a soft-packaged button cell according to claim 1, wherein after the embossed hot seal edge is locked to form a skirt surrounding the outer periphery of the shell, the method for packaging a soft-packaged button cell further comprises sleeving a sleeve on the outer periphery of the skirt by a film sleeving machine.
5. The packaging method of the soft-package button battery according to claim 1, characterized in that the first half shell is provided with a first pole core pit, and the pole core is accommodated in the first pole core pit.
6. The packaging method of the soft-packaged button cell is characterized in that 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.
7. The packaging method of the soft-packaged button cell according to claim 1, wherein the first angle is in the range of 110 ° -160 °; the second angle is in the range of 20-70 degrees.
8. The packaging method of the soft-packaged button cell according to claim 1, characterized in that the hot seal edge is embossed by an embosser; the embossing part of the embossing machine is provided with a sawtooth structure so as to press the heat-sealing edges into sawtooth heat-sealing edges.
9. The packaging method of the soft package button battery according to claim 1, wherein the pole core is a winding core or a laminated core.
10. The packaging method of the soft-package button battery according to claim 1, wherein the soft packaging film is an aluminum-plastic composite film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928966.7A CN114156518A (en) | 2020-09-07 | 2020-09-07 | Packaging method of soft package button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928966.7A CN114156518A (en) | 2020-09-07 | 2020-09-07 | Packaging method of soft package button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114156518A true CN114156518A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928966.7A Pending CN114156518A (en) | 2020-09-07 | 2020-09-07 | Packaging method of soft package button battery |
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| CN (1) | CN114156518A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197644A1 (en) * | 2003-04-02 | 2004-10-07 | Keith Buckle | Zinc/air 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 |
| CN210956892U (en) * | 2019-12-06 | 2020-07-07 | 新余赣锋电子有限公司 | Formula soft-packaged electric core is buckled to butterfly bean |
| CN211125885U (en) * | 2019-11-27 | 2020-07-28 | 蜂巢能源科技有限公司 | Sealing head structure for heat sealing of soft package lithium ion 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
- 2020-09-07 CN CN202010928966.7A patent/CN114156518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197644A1 (en) * | 2003-04-02 | 2004-10-07 | Keith Buckle | Zinc/air 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 |
| CN211125885U (en) * | 2019-11-27 | 2020-07-28 | 蜂巢能源科技有限公司 | Sealing head structure for heat sealing of soft package lithium ion battery |
| CN210956892U (en) * | 2019-12-06 | 2020-07-07 | 新余赣锋电子有限公司 | Formula soft-packaged electric core is buckled to butterfly bean |
| 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 |
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