CN108110201A - A kind of pole piece fixed mechanism and button cell - Google Patents
A kind of pole piece fixed mechanism and button cell Download PDFInfo
- Publication number
- CN108110201A CN108110201A CN201711448378.8A CN201711448378A CN108110201A CN 108110201 A CN108110201 A CN 108110201A CN 201711448378 A CN201711448378 A CN 201711448378A CN 108110201 A CN108110201 A CN 108110201A
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- China
- Prior art keywords
- pole piece
- shell
- fixed mechanism
- lid shell
- conductive elastomer
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims abstract description 41
- 239000000806 elastomer Substances 0.000 claims abstract description 41
- 238000002955 isolation Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/153—Lids or covers characterised by their shape for button or coin cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of pole piece fixed mechanism and button cells, belong to battery technology field.Pole piece fixed mechanism provided by the present invention includes pole piece, pole piece lid shell, afflux structure and conductive elastomer, pole piece is placed in the cavity on pole piece lid shell, afflux structure is arranged between pole piece and pole piece lid shell, conductive elastomer is located between afflux structure and pole piece lid shell, and conductive elastomer one end is abutted with afflux structure, the other end is abutted with pole piece lid shell.By setting conductive elastomer between afflux structure and pole piece lid shell, the phenomenon that using the elasticity of conductive elastomer pole piece and pole piece lid shell being made to remain good electrical connection, prevent loose contact between pole piece and pole piece lid shell.
Description
Technical field
The present invention relates to battery technology field more particularly to a kind of pole piece fixed mechanism and using the pole piece fixed mechanism
Button cell.
Background technology
Button cell, also referred to as button cell, refer to battery of the appearance and size as a small button, size is smaller, often quilt
For in the small electronic equipment of power consumption, such as small flashlight, electronic watch etc..It can be classified according to the shape of button cell
For column button cell, square button cell and special-shaped button battery.
Button cell covers collector on positive plate and negative plate, and common plus plate current-collecting body generally uses stainless steel
Or stainless iron, negative current collector generally use copper foil.It generally will be covered with the positive plate of collector in existing button cell
Either negative plate contacts directly pole piece lid shell or coats one layer of conducting resinl in pole piece and pole piece lid shell, by being covered in pole piece
On collector and conducting resinl keep pole piece contact with pole piece lid shell so that inside battery keep good contact.But by
In pole piece generally using punch forming, the stress release inside pole piece easilys lead to pole piece, and that intermediate recess outer rim is presented is upward
It sticks up, it, can not be with so as to cause collector the phenomenon that protrusion due to outer rim after the pole piece after punch forming is installed into pole piece lid shell
Pole piece lid shell contacts or the middle part of conducting resinl can not be contacted with pole piece.In addition, the pole piece lid shell of existing button cell
With pole piece contact surface be smooth surface, when battery in complex working condition in use, the structure of inside battery is easy to send out
Changing, and due to battery discharge after, the consumption of the positive plate and negative plate of inside battery, battery uses in hot environment in addition
Internal temperature raises in the process, and pole piece lid shell is easy to expand, these situations are easy to cause inside battery loose contact, influences
The normal use of battery.
The content of the invention
It is an object of the invention to provide a kind of pole piece fixed mechanisms, and the internal structure of the pole piece fixed mechanism is compact, energy
Enough ensure the close contact of pole piece and pole piece lid shell, be conducive to improve the electric conductivity between pole piece and pole piece lid shell, avoid the occurrence of
The situation of loose contact.
It is an object of the invention to provide a kind of button cell, which can not only ensure
Inside battery guidance quality is good, also advantageously improves the use scope and service life of battery.
For this purpose, the present invention uses following technical scheme：
Including pole piece, pole piece lid shell and afflux structure, chamber is provided on the pole piece lid shell for a kind of pole piece fixed mechanism
Body, the pole piece are placed in the cavity, and the afflux structure is arranged between the pole piece and the pole piece lid shell, is further included
Conductive elastomer, the conductive elastomer is between the afflux structure and the pole piece lid shell, and the conductive elastomer
One end is abutted with the afflux structure, and the other end is abutted with the pole piece lid shell.
Preferably, the conductive elastomer is cross shrapnel.
Preferably, the medial recess of the cross shrapnel, the edge part of the cross shrapnel is compared with described ten
It is provided projectingly in the middle part of font shrapnel, the middle part is abutted with the pole piece lid shell, and the edge part is supported with the afflux structure
It connects.
Preferably, it is welded in the middle part of the cross shrapnel on the pole piece lid shell.
Preferably, the afflux structure is collector and/or conductive coating.
Preferably, when the pole piece is positive plate, the collector is stainless steel or stainless iron；
When the pole piece is negative plate, the collector is copper foil.
Preferably, the conductive coating is conducting resinl.
Preferably, the pole piece fixed mechanism further includes：
Collecting ring, the collecting ring are set in the pole piece close to one end of the conductive elastomer.
A kind of button cell includes pole piece fixed mechanism described above.
Preferably, the pole piece is positive plate, the pole piece lid shell is positive cover shell, and the cavity is the first cavity,
The afflux structure is arranged between the positive plate and the positive cover shell, and the conductive elastomer is located at the afflux structure
Between the positive cover shell.
Preferably, the button cell further includes：
Negative cover shell, negative plate and isolation structure are provided with the second chamber for accommodating the negative plate on the negative cover shell
Body, the negative cover shell spiral-lock is on the positive cover shell, and first cavity is connected with second cavity, the isolation
Structure setting is between the positive plate and the negative plate.
Beneficial effects of the present invention：
Pole piece fixed mechanism provided by the present invention includes pole piece, pole piece lid shell, afflux structure and conductive elastomer, pole piece
It is placed in the cavity on pole piece lid shell, afflux structure is arranged between pole piece and pole piece lid shell, and conductive elastomer is located at afflux knot
Between structure and pole piece lid shell, and conductive elastomer one end is abutted with afflux structure, and the other end is abutted with pole piece lid shell.By collecting
Conductive elastomer is set between flow structure and pole piece lid shell, using the elasticity of conductive elastomer pole piece and pole piece lid shell is made to protect always
The phenomenon that holding good electrical connection, preventing battery from loose contact between pole piece and pole piece lid shell occurring in use.
Description of the drawings
Fig. 1 is the installation diagram of pole piece fixed mechanism provided by the present invention；
Fig. 2 is the explosive view of pole piece fixed mechanism provided by the present invention.
Fig. 3 is the sectional view of button cell provided by the present invention；
Fig. 4 is the partial enlarged view of part A in Fig. 3；
Fig. 5 is the partial enlarged view of part B in Fig. 3；
Fig. 6 is the explosive view of button cell provided by the present invention；
In figure：
100th, pole piece；101st, positive plate；102nd, negative plate；200th, collecting ring；300th, afflux structure；400th, electrically conductive elastic
Body；500th, pole piece lid shell；501st, positive cover shell；502nd, negative cover shell；600th, isolation structure.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of pole piece fixed mechanisms, and as depicted in figs. 1 and 2, which includes pole piece
100th, 500 (not shown) of pole piece lid shell, afflux structure 300 and collecting ring 200 are provided on pole piece lid shell 500 and accommodate pole
The cavity of piece 100, afflux structure 300 are arranged between pole piece 100 and pole piece lid shell 500, and afflux structure 300 can be collector
And/or conductive coating, collector refer to the structure for collecting electric current or part, are mainly used for generate active material in battery
Electric current, which collects to form larger current versus, to be exported, and existing collector refers generally to metal foil, such as stainless
Steel or stainless iron and copper foil etc..Conductive coating can be conducting resinl, and conducting resinl is a kind of curing or has after dry certain
The viscous glutinous agent of electric conductivity, usually using matrix resin and conducting particles as main constituents, utilizes the bonding of matrix resin
Effect combines conducting particles to form conductive path, has many advantages, such as easy to operate, efficient.Collector and conductive coating
It can use, can also be used alone simultaneously, in the present embodiment, in order to simplify structure and cost-effective, afflux structure 300 selects
It selects using conductive coating.Conductive elastomer 400 is located between afflux structure 300 and pole piece lid shell 500, and conductive elastomer 400
One end abutted with afflux structure 300, the other end is abutted with pole piece lid shell 500, so as to will realize afflux structure 300 and pole piece lid
Electrical connection between shell 500, and then realize the electrical connection between pole piece 100 and pole piece lid shell 500.
By setting conductive elastomer 400 between afflux structure 300 and pole piece lid shell 500, conductive elastomer 400 is utilized
Elasticity pole piece 100 and pole piece lid shell 500 is made to remain good electrical connection, outside pole piece 100 is due to stress or other
When portion's factor deforms upon or when pole piece lid shell 500 is expanded because of temperature rise, conductive elastomer 400 being capable of root
According to the shape and elastic force of the degrees of expansion adjust automatically itself of the deformation or pole piece lid shell 500 of the pole piece 100, so as to ensure
During the use of pole piece 100, one end of conductive elastomer 400 abuts always with afflux structure 300, and by afflux structure 300
It is extruded on pole piece 100, the other end of conductive elastomer 400 abuts always with pole piece lid shell 500, and then prevents battery from using
The phenomenon that loose contact between pole piece 100 and pole piece lid shell 500 occurs in the process, avoiding the loose contact of inside battery causes electricity
Pond can not normal use, influence the service life and using effect of battery.
Specifically, conductive elastomer 400 can be cross shrapnel, cross shrapnel is rectangular including two connected vertically
Shape shrapnel, two shrapnels can be integrally formed, and be welded together after can also manufacturing respectively, compared to welding together, one into
The cross elastic piece structure of type is more stable, form certainly cross shrapnel two shrapnels can not also vertical connection, but phase
It is connected compared with out of plumb, vertical connection is convenient for manufacture, and stability is more preferable.When installing cross shrapnel, by cross shrapnel
Lower face be fixedly connected with the inner bottom surface of pole piece lid shell 500, the upper surface of cross shrapnel is abutted with afflux structure 300, ten
Font shrapnel is generally connected with the connection mode of pole piece lid shell 500 using spot welding or screw, but spot weld operation is more simple,
And to the requirements of installation space smaller inside pole piece lid shell 500, therefore selection uses spot welding in the present embodiment.
Further, in order to improve the versatility of conductive elastomer 400, it is recessed that above-mentioned cross shrapnel is arranged to middle part
It falls into, for edge part with respect to middle part projection or recessed arc structure, arcuate structure expands the deformation model of conductive elastomer 400
Enclose, be conducive to expand the use scope of conductive elastomer 400, convenient for by conductive elastomer 400 for different size and size
In battery, in order to improve the stability of cross shrapnel, the edge part of cross shrapnel is horizontally disposed with or in cross bullet
The edge part of piece connects horizontal shrapnel.Certainly in other embodiments, conductive elastomer 400 can also select to use other shapes
Shape, such as bowl structure, hemispherical configuration or other anisotropic approach, but compared to these structures, cross shrapnel has
The advantages that materials are few, stress easily discharges in compression process, mutability and stability are strong, therefore in the present embodiment, electrically conductive elastic
The selection of body 400 is using cross shrapnel.
In order to limit position of the pole piece 100 in pole piece lid shell 500, prevent during the use of battery, pole piece 100 exists
It shakes in pole piece lid shell 500, influences the stability of battery performance, afflux is additionally provided in the cavity of pole piece lid shell 500
Ring 200, collecting ring 200 include bottom plate and the side wall along the upward projection in bottom plate sideline, through hole are provided on bottom plate, pole piece 100
One end is circumferentially provided with annular card slot along it, and collecting ring 200 is set in annular card slot.
The present embodiment additionally provides a kind of button cell using above-mentioned pole piece fixed mechanism, as shown in Figures 3 to 6, should
The pole piece 100 of button cell includes positive plate 101 and negative plate 102, and pole piece lid shell 500 includes positive cover shell 501 and negative cover
Shell 502 is provided with the first cavity on positive cover shell 501, the second cavity, 502 spiral-lock of negative cover shell is provided on negative cover shell 502
On positive cover shell 501, and negative cover shell 502 and positive cover shell 501 are tightly connected, and specific seal form does not limit herein
System, when 502 spiral-lock of negative cover shell is when on positive cover shell 501, the first cavity and the second cavity connect, in order to avoid positive plate
101 and negative plate 102 influence each other, isolation structure 600, isolation structure are provided between positive plate 101 and negative plate 102
600 be shell-like structure, and including egative film and along the flange that egative film sideline is bent downward, 600 spiral-lock of isolation structure is in positive plate 101
On, negative plate 102 is placed in the top of isolation structure 600.In the present embodiment, conductive elastomer 400 is located at positive plate 101 and just
Between polar cap shell 501, collecting ring 200 is positive collecting ring, and positive collecting ring is set in positive plate 101 close to the one of positive cover shell 501
End.Certainly in other embodiments, conductive elastomer 400 can be used between negative plate 102 and negative cover shell 502.
The assembling process of the button cell is as follows：400 base point of conductive elastomer is welded in positive cover shell 501 first
On bottom surface, then positive collecting ring is welded on to the edge part of 400 upper surface of conductive elastomer, due to being set on the bottom plate of positive collecting ring
Through hole is equipped with, the through hole that the center section of conductive elastomer 400 is protruded on positive collecting ring is set, then in conductive elastomer 400
Positive plate 101, is then quickly set in inside positive collecting ring by upper coating conducting resinl, and makes positive plate 101 and conductive elastomer
The lid of isolation structure 600, is finally located on positive plate 101, negative plate 102 is placed in isolation by the conducting resinl contact on 400 successively
The top of structure 600, and by 502 spiral-lock of negative cover shell on positive cover shell 501, then by negative cover shell 502 and positive cover shell
Gap sealing processing between 501.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of pole piece fixed mechanism, including pole piece (100), pole piece lid shell (500) and afflux structure (300), the pole piece lid
Cavity is provided on shell (500), the pole piece (100) is placed in the cavity, and the afflux structure (300) is arranged on the pole
Between piece (100) and the pole piece lid shell (500), which is characterized in that further include conductive elastomer (400), the electrically conductive elastic
Body (400) is located between the afflux structure (300) and the pole piece lid shell (500), and the conductive elastomer (400) one end
It is abutted with the afflux structure (300), the other end is abutted with the pole piece lid shell (500).
2. pole piece fixed mechanism according to claim 1, which is characterized in that
The conductive elastomer (400) is cross shrapnel.
3. pole piece fixed mechanism according to claim 2, which is characterized in that
The medial recess of the cross shrapnel, the edge part of the cross shrapnel compared with the cross shrapnel middle part
It is provided projectingly, the middle part is abutted with the pole piece lid shell (500), and the edge part is abutted with the afflux structure (300).
4. pole piece fixed mechanism according to claim 1, which is characterized in that
The afflux structure (300) is collector and/or conductive coating.
5. pole piece fixed mechanism according to claim 4, which is characterized in that
When the pole piece (100) is positive plate (101), the collector is stainless steel or stainless iron；
When the pole piece (100) is negative plate (102), the collector is copper foil.
6. pole piece fixed mechanism according to claim 4, which is characterized in that
The conductive coating is conducting resinl.
7. pole piece fixed mechanism according to claim 1, which is characterized in that the pole piece fixed mechanism further includes：
Collecting ring (200), the collecting ring (200) are set in the pole piece (100) close to the one of the conductive elastomer (400)
End.
8. a kind of button cell, which is characterized in that include the pole piece fixed mechanism any one of claim 1-7.
9. button cell according to claim 8, which is characterized in that
The pole piece (100) is positive plate (101), and the pole piece lid shell (500) is positive cover shell (501), and the cavity is the
One cavity, the afflux structure (300) are arranged between the positive plate (101) and the positive cover shell (501), the conduction
Elastomer (400) is between the afflux structure (300) and the positive cover shell (501).
10. button cell according to claim 9, which is characterized in that the button cell further includes：
Negative cover shell (502), negative plate (102) and isolation structure (600) are provided on the negative cover shell (502) and accommodate institute
The second cavity of negative plate (102) is stated, negative cover shell (502) spiral-lock is on the positive cover shell (501), and described first
Cavity is connected with second cavity, and the isolation structure (600) is arranged on the positive plate (101) and the negative plate
(102) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448378.8A CN108110201B (en) | 2017-12-27 | 2017-12-27 | Pole piece fixing mechanism and button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448378.8A CN108110201B (en) | 2017-12-27 | 2017-12-27 | Pole piece fixing mechanism and button cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108110201A true CN108110201A (en) | 2018-06-01 |
| CN108110201B CN108110201B (en) | 2021-08-24 |
Family
ID=62213973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711448378.8A Active CN108110201B (en) | 2017-12-27 | 2017-12-27 | Pole piece fixing mechanism and button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110201B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564651A (en) * | 2020-05-12 | 2020-08-21 | 路华置富电子(深圳)有限公司 | Lap winding cell battery |
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| CN103022576A (en) * | 2012-12-18 | 2013-04-03 | 河南创力新能源科技有限公司 | Hydrogen-nickel button battery |
| CN203103408U (en) * | 2012-12-27 | 2013-07-31 | 天津力神电池股份有限公司 | Experimental button cell with negative pole piece |
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| CN204361197U (en) * | 2014-09-19 | 2015-05-27 | 辉县市兆阳电源有限公司 | A kind of hydrogen nickel button cell |
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| CN204632817U (en) * | 2015-05-26 | 2015-09-09 | 新乡市超力新能源有限公司 | A kind of button battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111564651A (en) * | 2020-05-12 | 2020-08-21 | 路华置富电子(深圳)有限公司 | Lap winding cell battery |
| CN111564651B (en) * | 2020-05-12 | 2024-01-19 | 路华置富电子(深圳)有限公司 | Lap wound cell |
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