CN204407403U - A kind of chargeable button cell - Google Patents
A kind of chargeable button cell Download PDFInfo
- Publication number
- CN204407403U CN204407403U CN201520081139.3U CN201520081139U CN204407403U CN 204407403 U CN204407403 U CN 204407403U CN 201520081139 U CN201520081139 U CN 201520081139U CN 204407403 U CN204407403 U CN 204407403U
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- negative
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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
Abstract
The utility model discloses a kind of chargeable button cell, comprise anode cover, sealing ring, negative cover, pole piece, first insulating trip, second insulating trip and electrolyte, anode cover, sealing ring and negative cover surround host cavity, pole piece, first insulating trip, second insulating trip and electrolyte are placed in host cavity, barrier film is between positive plate and negative plate, first insulating trip is between anode cover and the first end of pole piece, second insulating trip is between negative cover and the second end of pole piece, pole piece comprises pole piece main body, positive pole link and negative pole link, pole piece main body is cylindrical, positive pole link is the part that plus plate current-collecting body extends to anode cover, negative pole link is the part that negative current collector extends to negative cover, positive pole link is electrically connected with anode cover and negative cover respectively with negative pole link.
Description
[technical field]
The utility model relates to field of batteries, is specifically related to a kind of chargeable button cell.
[background technology]
Coin shape lithium ion battery is a kind of common battery, and Battery Pole Core is made up of positive plate, negative plate and barrier film, can be divided into stacked, flat takeup type and cylinder takeup type etc. according to pole piece forming method.Wherein, stacked pole piece space availability ratio is high, but complex process, and be limited to diameter design, cannot realize in minor diameter coin shape lithium ion battery is produced; Flat takeup type pole piece is simple to operation, but battery volume and capacity ratio is low; Existing cylinder takeup type pole piece volume and capacity ratio is high, but cylinder edge causes internal short-circuit of battery after being subject to extruding, need to draw at plus plate current-collecting body (aluminium foil) and negative current collector (Copper Foil) respectively to connect lug simultaneously, lug again with positive pole housing and negative pole case weld, complex process, manufacturing cost is high.
[summary of the invention]
In order to overcome the deficiencies in the prior art, the utility model provides a kind of chargeable button cell, makes to manufacture button cell simpler.
A kind of chargeable button cell, comprise anode cover, sealing ring, negative cover, pole piece, first insulating trip, second insulating trip and electrolyte, described anode cover, sealing ring and negative cover surround host cavity, described pole piece, first insulating trip, second insulating trip and electrolyte are placed in described host cavity, described pole piece is by positive plate, negative plate and membrane winding form, described positive plate comprises plus plate current-collecting body and is coated in the positive electrode active materials of described anode collection surface, described negative plate comprises negative current collector and is coated in the negative active core-shell material of described negative pole currect collecting surface, described barrier film is between described positive plate and negative plate, described first insulating trip is between described anode cover and the first end of described pole piece, described second insulating trip is between described negative cover and the second end of described pole piece, described pole piece comprises pole piece main body, positive pole link and negative pole link, described pole piece main body is cylindrical, described positive pole link is the part that described plus plate current-collecting body extends to described anode cover, described negative pole link is the part that described negative current collector extends to described negative cover, described positive pole link is electrically connected with anode cover and negative cover respectively with described negative pole link.
In one embodiment, described plus plate current-collecting body is folded to form described positive pole link.
In one embodiment, described plus plate current-collecting body comprises anode collection phosphor bodies and positive pole link, and described anode collection phosphor bodies is vertical with described positive pole link.
In one embodiment, described negative current collector is folded to form described negative pole link.
In one embodiment, described negative current collector comprises negative pole currect collecting phosphor bodies and negative pole link, and described negative pole currect collecting phosphor bodies is vertical with described negative pole link.
In one embodiment, described negative pole link extends along the edge of described second insulating trip to described negative cover, and described positive pole connecting portion extends along the edge of described first insulating trip to described anode cover.
In one embodiment, described first insulating trip and/or the second insulating trip rounded.
In one embodiment, the long limit shape angle at 45 ° of the folding line be folded to form and described plus plate current-collecting body.
In one embodiment, the long limit shape angle at 45 ° of the folding line be folded to form and described negative current collector.
In one embodiment, described plus plate current-collecting body is aluminium foil, and described negative current collector is Copper Foil.
Owing to adopting a part for plus plate current-collecting body as positive pole link, a part for negative current collector as negative pole link, thus eliminates the program of welding, and manufacture process is simpler.
In further scheme, after the pole piece main body that reeled, folding plus plate current-collecting body forms positive pole link, and folding negative current collector forms negative pole link, manufactures convenient.
[accompanying drawing explanation]
Fig. 1 is the cross-sectional view of the chargeable button cell (part) of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the pole piece of the chargeable button cell of a kind of embodiment of the utility model;
Fig. 3 is the chargeable button cell part-structure exploded perspective view of a kind of embodiment of the utility model;
Fig. 4 is section (part is launched) structural representation of the chargeable button cell of a kind of embodiment of the utility model;
Fig. 5 is positive plate (negative plate) structural representation of the chargeable button cell of a kind of embodiment of the utility model;
Fig. 6 is positive plate (negative plate) structural representation of the chargeable button cell of the another kind of embodiment of the utility model;
Fig. 7 is the structural representation of the pole piece of the chargeable button cell of the another kind of embodiment of the utility model.
[embodiment]
Below the preferred embodiment of utility model is described in further detail.
As shown in Figures 1 to 4, a kind of chargeable button cell of embodiment, comprise anode cover 1, sealing ring 4, negative cover 2, pole piece 5, first insulating trip 61, second insulating trip 62 and electrolyte (not shown), described anode cover 1, sealing ring 4 and negative cover 2 surround host cavity 3, described pole piece 5, first insulating trip 61, second insulating trip 62 and electrolyte are placed in described host cavity 3, described pole piece 5 is by positive plate 51, negative plate 54 and barrier film 53, 54 windings form, described positive plate 51 comprises plus plate current-collecting body and is coated in the positive electrode active materials of described anode collection surface, described negative plate 52 comprises negative current collector and is coated in the negative active core-shell material of described negative pole currect collecting surface, described barrier film 53, 54 between described positive plate 51 and negative plate 52 (after three reels, barrier film 54 is also between positive plate 51 and negative plate 52), described first insulating trip 61 is between described anode cover 1 and the first end of described pole piece 5, described second insulating trip 62 is between described negative cover 2 and the second end of described pole piece 5, described pole piece 5 comprises pole piece main body 53, positive pole link 511 and negative pole link 521, described pole piece main body 53 is cylindrical, described positive pole link 511 is the part that described plus plate current-collecting body extends to described anode cover 1, described negative pole link 521 is the part that described negative current collector extends to described negative cover 2, described positive pole link 511 is electrically connected with anode cover 1 and negative cover 2 respectively with described negative pole link 521.Sealing ring 4 can adopt O-ring seal.
In one embodiment, after pole piece main body 53 has been wound, described plus plate current-collecting body is folded to form described positive pole link 511, this positive pole link 511 protrudes from pole piece main body 53, like this, make more simple and convenient, eliminate the operation of welding positive pole link 511 (or claiming lug); Equally, after pole piece main body 53 has been wound, described negative current collector has been folded to form described negative pole link 521, and described positive pole link 521 protrudes from pole piece main body 53.
As shown in Figure 6, in one embodiment, the long limit shape angle at 45 ° of the folding line that plus plate current-collecting body is folded to form and described plus plate current-collecting body, the long limit shape angle at 45 ° of the folding line that negative current collector is folded to form and described negative current collector.
As shown in Figure 5, in one embodiment, described plus plate current-collecting body comprises anode collection phosphor bodies and positive pole link 511, described anode collection phosphor bodies is vertical with described positive pole link 511, like this after winding forms pole piece main body 53, can omit the step being folded to form positive pole link 511, but the positive pole link 511 protruded in the process of winding may make troubles to winding.Same described negative current collector can comprise negative pole currect collecting phosphor bodies and negative pole link 521, and described negative pole currect collecting phosphor bodies is vertical with described negative pole link 521.
In one embodiment, described negative pole link 521 extends along the edge of described second insulating trip 62 to described negative cover 2, and described positive pole connecting portion 511 extends along the edge of described first insulating trip 61 to described anode cover 61, and this spline structure is more compact.
In one embodiment, described first insulating trip 61 and/or the second insulating trip 62 rounded, to coordinate pole piece 5, to prevent negative plate 52 to be electrically connected with anode cover 1, or positive plate 51 is electrically connected with negative cover 2.Positive pole connecting portion 511 can bend a part to sealing ring 4, and then anode cover 1 to cover on sealing ring and compresses a part for positive pole link 511, thus forms electrical connection, makes very convenient.As shown in Figure 3, positive pole connecting portion 511 towards a lateral buckling of sealing ring 4 far away, also towards nearer sealing ring 4 one lateral buckling, as shown in Figure 7, can can save the material of bending like this.
In one embodiment, described plus plate current-collecting body can be aluminium foil, like this, convenient and simple when being folded to form positive pole link 511.Equally, described negative current collector can be Copper Foil, convenient and simple when folding negative pole link 521.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the utility model is determined by submitted to claims.
Claims (10)
1. a chargeable button cell, comprise anode cover, sealing ring, negative cover, pole piece, first insulating trip, second insulating trip and electrolyte, described anode cover, sealing ring and negative cover surround host cavity, described pole piece, first insulating trip, second insulating trip and electrolyte are placed in described host cavity, described pole piece is by positive plate, negative plate and membrane winding form, described positive plate comprises plus plate current-collecting body and is coated in the positive electrode active materials of described anode collection surface, described negative plate comprises negative current collector and is coated in the negative active core-shell material of described negative pole currect collecting surface, described barrier film is between described positive plate and negative plate, described first insulating trip is between described anode cover and the first end of described pole piece, described second insulating trip is between described negative cover and the second end of described pole piece, it is characterized in that: described pole piece comprises pole piece main body, positive pole link and negative pole link, described pole piece main body is cylindrical, described positive pole link is the part that described plus plate current-collecting body extends to described anode cover, described negative pole link is the part that described negative current collector extends to described negative cover, described positive pole link is electrically connected with anode cover and negative cover respectively with described negative pole link.
2. chargeable button cell as claimed in claim 1, is characterized in that:
Described plus plate current-collecting body is folded to form described positive pole link.
3. chargeable button cell as claimed in claim 1, is characterized in that:
Described plus plate current-collecting body comprises anode collection phosphor bodies and positive pole link, and described anode collection phosphor bodies is vertical with described positive pole link.
4. chargeable button cell as claimed in claim 1, is characterized in that:
Described negative current collector is folded to form described negative pole link.
5. chargeable button cell as claimed in claim 1, is characterized in that:
Described negative current collector comprises negative pole currect collecting phosphor bodies and negative pole link, and described negative pole currect collecting phosphor bodies is vertical with described negative pole link.
6. chargeable button cell as claimed in claim 1, it is characterized in that: described negative pole link extends along the edge of described second insulating trip to described negative cover, described positive pole connecting portion extends along the edge of described first insulating trip to described anode cover.
7. chargeable button cell as claimed in claim 1, is characterized in that: described first insulating trip and/or the second insulating trip rounded.
8. chargeable button cell as claimed in claim 2, is characterized in that: the long limit shape angle at 45 ° of the folding line be folded to form and described plus plate current-collecting body.
9. chargeable button cell as claimed in claim 4, is characterized in that: the long limit shape angle at 45 ° of the folding line be folded to form and described negative current collector.
10. chargeable button cell as claimed in claim 1, it is characterized in that: described plus plate current-collecting body is aluminium foil, described negative current collector is Copper Foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081139.3U CN204407403U (en) | 2015-02-04 | 2015-02-04 | A kind of chargeable button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081139.3U CN204407403U (en) | 2015-02-04 | 2015-02-04 | A kind of chargeable button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407403U true CN204407403U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520081139.3U Active CN204407403U (en) | 2015-02-04 | 2015-02-04 | A kind of chargeable button cell |
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| CN (1) | CN204407403U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025366A (en) * | 2016-07-13 | 2016-10-12 | 深圳市秸川材料科技有限公司 | Lithium ion button battery |
| CN106992313A (en) * | 2016-01-20 | 2017-07-28 | 宁德新能源科技有限公司 | Secondary cell |
| CN107134596A (en) * | 2017-07-06 | 2017-09-05 | 深圳市力电电池有限公司 | Button cell and button cell preparation method |
| CN111313077A (en) * | 2020-04-09 | 2020-06-19 | 陈永晓 | Manufacturing method of button lithium battery |
| CN111430594A (en) * | 2020-04-02 | 2020-07-17 | 龙岩高格微扣科技有限公司 | High-temperature-resistant button battery and manufacturing process thereof |
| CN111933496A (en) * | 2020-06-22 | 2020-11-13 | 南京萨特科技发展有限公司 | Button type fuse and manufacturing method |
| WO2022037284A1 (en) * | 2020-08-19 | 2022-02-24 | 广东微电新能源有限公司 | Battery cell of energy storage device and energy storage device |
-
2015
- 2015-02-04 CN CN201520081139.3U patent/CN204407403U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992313A (en) * | 2016-01-20 | 2017-07-28 | 宁德新能源科技有限公司 | Secondary cell |
| CN106992313B (en) * | 2016-01-20 | 2023-04-07 | 宁德新能源科技有限公司 | Secondary battery |
| CN106025366A (en) * | 2016-07-13 | 2016-10-12 | 深圳市秸川材料科技有限公司 | Lithium ion button battery |
| CN107134596A (en) * | 2017-07-06 | 2017-09-05 | 深圳市力电电池有限公司 | Button cell and button cell preparation method |
| CN111430594A (en) * | 2020-04-02 | 2020-07-17 | 龙岩高格微扣科技有限公司 | High-temperature-resistant button battery and manufacturing process thereof |
| CN111313077A (en) * | 2020-04-09 | 2020-06-19 | 陈永晓 | Manufacturing method of button lithium battery |
| CN111933496A (en) * | 2020-06-22 | 2020-11-13 | 南京萨特科技发展有限公司 | Button type fuse and manufacturing method |
| WO2022037284A1 (en) * | 2020-08-19 | 2022-02-24 | 广东微电新能源有限公司 | Battery cell of energy storage device and energy storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210315 Address after: 516000 1st floor, Yifu company workshop, Weisheng Industrial Zone, Qingchun village, Chenjiang, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou lishengda New Energy Technology Co.,Ltd. Address before: No.3, Huafeng Road, Si Village, Tangxia Town, Dongguan City, Guangdong Province, 523716 Patentee before: Yang Ming |