CN204596910U - A kind of coin shape lithium rechargeable battery - Google Patents
A kind of coin shape lithium rechargeable battery Download PDFInfo
- Publication number
- CN204596910U CN204596910U CN201520257493.7U CN201520257493U CN204596910U CN 204596910 U CN204596910 U CN 204596910U CN 201520257493 U CN201520257493 U CN 201520257493U CN 204596910 U CN204596910 U CN 204596910U
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- CN
- China
- Prior art keywords
- battery core
- lithium rechargeable
- coin shape
- rechargeable battery
- end cup
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- Expired - Fee Related
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of coin shape lithium rechargeable battery, it comprises battery case, and is located at battery core and the electrolyte of enclosure; It is characterized in that, described battery core is cylindrical battery core, and battery core center is provided with the column servicing unit of an inner hollow; Described shell comprises cap assembly and end cup, and end cup opening part is provided with top cover placement position, and described cap assembly and end cup are by being welded and fixed; Described battery core the two poles of the earth are connected with end cup with cap assembly respectively by guide card; Also liquid injection hole is provided with on shell.
Description
Technical field
The utility model relates to lithium ion battery and manufactures field, is specifically related to a kind of coin shape lithium rechargeable battery.
Background technology
Button cell is a kind of chamber structure combined by metal bottom shell and top shell.Drain pan is connected with positive pole usually, and top shell is connected with negative pole usually.Across one deck plastic rubber ring (normally polypropylene) between drain pan and top shell.Cushion rubber plays the function of sealing and insulation simultaneously.During sealing, drain pan edge by the extruding varus of mechanical force, forms closed shell with top shell inclusion.Concrete example is shown in US6569564.
Normally, the battery core of " sandwich " structure that the enclosure interior of button cell is made up of the positive plate of individual layer, diaphragm paper and negative plate, battery core is parallel to the upper bottom surface horizontal positioned of housing.The capacity of button cell prepared by the method is very limited.Patent US20120028110A1 describes a kind of button cell of high power capacity with small cylindrical winding battery core, and the electrode slice of battery core and barrier film are perpendicular to the upper bottom surface of housing.Traditionally, attach axial mechanical force in the seal process of button cell, mechanism can cause the distortion of small cylindrical battery core, thus cause the production of battery bad.Encapsulating method after improvement is by applying simple radial mechanical force in drain pan side bottom, and the cushion rubber between extruding drain pan side and top shell edge seals, thus operatively avoids the destruction to winding battery core of mechanical force in the process.
Aluminum-shell battery and cylindrical battery all adopt metal shell, compared to polymer soft-package battery, can avoid the change of the external size caused due to inside battery aerogenesis to a certain extent.But the top combination of cylindrical battery needs to take certain space, there is the design limit of self in the height direction.Aluminum-shell battery is with firmer shell and larger battery core space, soft-package battery and cylindrical battery deficiency separately can be effectively prevent, its packaging technology can be applied on the Design and manufacture of button cell by reference, becomes the alternative preparing high power capacity button cell.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of coin shape lithium rechargeable battery.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of coin shape lithium rechargeable battery, it comprises battery case, and is located at battery core and the electrolyte of enclosure; Described battery core is cylindrical battery core, and battery core center is provided with the column servicing unit of an inner hollow; Described shell comprises cap assembly and end cup, and end cup opening part is provided with top cover placement position, and described cap assembly and end cup are by being welded and fixed; Described battery core the two poles of the earth are connected with end cup with cap assembly respectively by guide card; Also liquid injection hole is provided with on shell.
Described cap assembly comprises the circular cover plate being provided with through hole in the middle of center pillar part and, and described center pillar part is located at circular cover plate through hole, and is provided with insulation cushion between center pillar part and circular cover plate; Described center pillar part mid diameter is less than two ends diameter, and forms screens, and center pillar part lower end is positioned at described column servicing unit; Be provided with the fastener with described clamping matching around the through hole of described circular cover plate, and this fastener top is provided with center pillar part and insulation cushion places position.
Center pillar part uses stainless steel.Circular cover plate and end cup use identical metal material, and can be stainless steel or aluminium, be preferentially aluminium.The material that circular cover plate and end cup use decides the arrangement of both positive and negative polarity guide card and they are external to the mode of battery case.When material is aluminium, negative pole guide card occupy the center of battery core, be upwards connected to center pillar part, and positive pole guide card occupy periphery or the middle part of battery core, is connected to the bottom of end cup to central folding poststack; When material is stainless steel, the connected mode that positive pole and negative pole go out guide card and guide card and housing is exchanged just.The connection of guide card and housing is realized by methods such as spot welding, ultrasonic wave or laser welding.
Described column servicing unit is a hollow pipe, is provided with opening in this column servicing unit side, and the upper end of this opening is greater than lower end or upper and lower side is consistent, and described guide card is entered in column servicing unit by upper end open, and is connected with top cap central cylindrical member.
Described battery core is reeled by positive plate, negative plate and barrier film and forms on roller, and wherein, described barrier film is located between positive plate and negative plate, and battery core outermost layer is barrier film; The upper and lower two ends of battery core and housing contacts portion are equipped with insulation meson, and bottom end cup or top cover be also provided with a counter bore structure.
Described liquid injection hole is located on cap assembly or end cup; When being located on cap assembly, it is located on the circular cover plate of top cover; When being located on end cup, this liquid injection hole is located at Di Bei bottom centre, it comprises one by protruding part inwardly protruded bottom end cup, liquid injection hole is provided with in the middle part of this protruding part, and this liquid injection hole place is provided with a check ball, described protruding part is positioned at described column servicing unit, bottom this end cup, be also provided with a bimetal leaf.
A preparation method for described coin shape lithium rechargeable battery, it comprises the following steps:
(1) prepare battery case, this shell comprises end cup, cap assembly and liquid injection hole;
(2) column servicing unit is prepared, this column servicing unit is sheathed on volume pin, positive plate, barrier film and negative plate are located on coiling machine successively, are wound into core, or first positive plate, barrier film and negative plate are located on coiling machine successively, be wound into core, be placed in core by column servicing unit again, wherein, barrier film is located between positive plate and negative plate, and core outermost layer is barrier film, obtains battery core;
(3) pole in battery core is curved inwardly, then whole battery core put into be provided with insulation meson end cup, and if by the guide card of a pole above, be welded on top cover, if below, be welded at the bottom of end cup cup;
(4) guide card of another pole is welded in bottom cap assembly, and this pole guide card is rolled well puts into column servicing unit, and insulation meson is set at battery core top;
(5) top cover cap assembly being placed in end cup opening part places position, and is welded with end cup by top cover;
(6) by liquid injection hole, after adding electrolyte, with metal beads, liquid injection hole is sealed, obtain coin shape lithium rechargeable battery.
Described cap assembly comprises the circular cover plate being provided with through hole in the middle of center pillar part and, and described center pillar part is located at circular cover plate through hole, and is provided with insulation cushion between center pillar part and circular cover plate; Described center pillar part mid diameter is less than two ends diameter, and forms screens, and center pillar part lower end is positioned at described column servicing unit; Be provided with the fastener with described clamping matching around the through hole of described circular cover plate, and this fastener top is provided with center pillar part and insulation cushion places position.
Described column servicing unit is a hollow pipe, is provided with opening in this column servicing unit side, and the upper end of this opening is greater than lower end or upper and lower side is consistent, and described guide card is entered in column servicing unit by upper end open, and is connected with top cap central cylindrical member; A counter bore structure is also provided with bottom end cup.
Described liquid injection hole is located on cap assembly or end cup; When liquid injection hole is located on cap assembly, it is located on the circular cover plate of top cover.
When being located on end cup, this liquid injection hole is located at Di Bei bottom centre, one is arranged by protruding part inwardly protruded bottom end cup at Di Bei center, in the middle part of this protruding part, liquid injection hole is set, when putting into battery core, described column servicing unit is sheathed on described protruding part, then carries out cap assembly seal welding, then inject electrolyte, seal with metal beads; A bimetal leaf (when cup and lid are when using aluminium matter) is also provided with bottom this end cup.
The beneficial effects of the utility model are: by arranging column servicing unit, there is a gap reserved in the top of column servicing unit or open a seam downwards along centre simultaneously, convenient for different winding method, column servicing unit is inserted in core, and its material can be the insulating material such as polypropylene.Column servicing unit just can be enclosed within then roll film on volume pin before winding, simultaneously can instant rolled around after the run-bake-needle fault of battery core; Also again column servicing unit is inserted into battery core center after can reeling.On the one hand, column servicing unit supports the structure of battery core, prevents that battery core in cell assembling processes is loose to come off; On the other hand, the use of column servicing unit is conducive to pushing up agreeing with of lid and bottom cup, and the ledge of cap base can be easily inserted into battery core inside by column servicing unit, meanwhile also secures the position of battery core in enclosure interior to a certain extent.The gap that column servicing unit top is reserved is that conveniently battery core center guide card is linked into the shell of battery via sebific duct, and guide card can in column servicing unit folded inside.In the middle of the object affecting height space can being imported like this in sebific duct, height space is allowed to play maximum use.
By improveing the packaging technology of aluminum-shell battery, and the utility model has the indoor design of special construction, can save larger utilized space for battery core, thus shows the capacity that improve button cell.The top lid and bottom cup of button cell is tightly connected by non-mechanical means (laser welding technology).Top cover is made up of two parts: central projection is divided into a pole of battery, and peripheral annular flake is another pole of battery.Be separated with the plastic film of insulation between two parts, by rivet arrangement, two parts compact siro spinning technology formed top cover together.The annular flake of top cover periphery uses the material identical with end cup, carries out welded seal to facilitate.
In the middle of at the bottom of the position of liquid filling hole to be moved on to glass from upper top, added thickness is hidden in middle sebific duct, and so above pushing up the position having pole piece corresponding can be thinner, improves inner space further, makes battery can do thinner or capacity does more.
Accompanying drawing explanation
Fig. 1 is the utility model column assistant apparatus structure schematic diagram;
Fig. 2 is the utility model embodiment 1 structural representation;
Fig. 3 is the utility model embodiment 2 structural representation.
In figure: circular cover plate 2. end cup of 1a. center pillar part 1b. insulation cushion 1c.
3. top cover is placed position 4. battery core 5. and is pushed up insulation meson 6. end insulation meson
7. liquid injection hole 8. counter bore structure 9. column servicing unit 10. positive plate
11. negative plate 12. bimetal leafs
Embodiment
Embodiment 1: see Fig. 1 and Fig. 2, the present embodiment provides a kind of coin shape lithium rechargeable battery, and it comprises battery case, and is located at battery core 4 and the electrolyte of enclosure; Described battery core 4 is cylindrical battery core, and battery core 4 center is provided with the column servicing unit 9 of an inner hollow; Described shell comprises cap assembly and end cup 2, and end cup 2 opening part is provided with top cover placement position 3, and described cap assembly and end cup 2 are by being welded and fixed; Described battery core 4 the two poles of the earth are connected with end cup 2 with cap assembly respectively by guide card; Liquid injection hole 7 is also provided with on shell.
Described cap assembly comprises the circular cover plate 1c being provided with through hole in the middle of center pillar part 1a and, and described center pillar part 1a is located at circular cover plate 1c through hole, and is provided with insulation cushion 1b between center pillar part 1a and circular cover plate 1c; Described center pillar part 1a mid diameter is less than two ends diameter or upper and lower side is consistent, and forms screens, and center pillar part 1a lower end is positioned at described column servicing unit 9; Be provided with the fastener with described clamping matching around the through hole of described circular cover plate 1c, and this fastener top is provided with center pillar part 1a and insulation cushion 1b placement position.
Center pillar part 1a uses stainless steel.Circular cover plate 1c and end cup 2 use identical metal material, and can be stainless steel or aluminium, be preferentially aluminium.The material that circular cover plate and end cup use decides the arrangement of both positive and negative polarity guide card and they are external to the mode of battery case.When material is aluminium, negative pole guide card occupy the center of battery core, be upwards connected to center pillar part, and positive pole guide card occupy periphery or the middle part of battery core, is connected to the bottom of end cup to central folding poststack; When material is stainless steel, the connected mode that positive pole and negative pole go out guide card and guide card and housing is exchanged just.The connection of guide card and housing is realized by methods such as spot welding, ultrasonic wave or laser welding.
Described column servicing unit 9 is a hollow pipe, and be provided with opening in this column servicing unit side, and the upper end of this opening is greater than lower end, described guide card is entered in column servicing unit 9 by upper end open, and is connected with top cap central cylindrical member 1a.
Described battery core is reeled by positive plate 10, negative plate 11 and barrier film and forms on roller, and wherein, described barrier film is located between positive plate 10 and negative plate 11, and battery core outermost layer is barrier film; The upper and lower two ends of battery core and housing contacts portion are equipped with insulation meson, and bottom end cup or top cover be also provided with a counter bore structure 8.
Described liquid injection hole 7 is located on cap assembly; When being located on cap assembly, it is located on the circular cover plate 1c of top cover.
Embodiment 2: see Fig. 3, the present embodiment provides a kind of coin shape lithium rechargeable battery, and its structure is substantially the same manner as Example 1, and its difference is:
A kind of coin shape lithium rechargeable battery, it comprises battery case, and is located at battery core 4 and the electrolyte of enclosure; Described battery core 4 is cylindrical battery core, and battery core 4 center is provided with the column servicing unit 9 of an inner hollow; Described shell comprises cap assembly and end cup 2, and end cup 2 opening part is provided with top cover placement position 3, and described cap assembly and end cup 2 are by being welded and fixed; Described battery core 4 the two poles of the earth are connected with end cup 2 with cap assembly respectively by guide card; Liquid injection hole 7 is also provided with on shell.
Described cap assembly comprises the circular cover plate 1c being provided with through hole in the middle of center pillar part 1a and, and described center pillar part 1a is located at circular cover plate 1c through hole, and is provided with insulation cushion 1b between center pillar part 1a and circular cover plate 1c; Described center pillar part 1a mid diameter is less than two ends diameter or upper and lower side is consistent, and forms screens, and center pillar part 1a lower end is positioned at described column servicing unit 9; Be provided with the fastener with described clamping matching around the through hole of described circular cover plate 1c, and this fastener top is provided with center pillar part 1a and insulation cushion 1b placement position.
Center pillar part 1a uses stainless steel.Circular cover plate 1c and end cup 2 use identical metal material, and can be stainless steel or aluminium, be preferentially aluminium.The material that circular cover plate and end cup use decides the arrangement of both positive and negative polarity guide card and they are external to the mode of battery case.When material is aluminium, negative pole guide card occupy the center of battery core, be upwards connected to center pillar part, and positive pole guide card occupy periphery or the middle part of battery core, is connected to the bottom of end cup to central folding poststack; When material is stainless steel, the connected mode that positive pole and negative pole go out guide card and guide card and housing is exchanged just.The connection of guide card and housing is realized by methods such as spot welding, ultrasonic wave or laser welding.
Described column servicing unit 9 is a hollow pipe, opening is provided with in this column servicing unit side, and the upper end of this opening is greater than lower end or upper and lower side is consistent, described guide card is entered in column servicing unit 9 by upper end open, and is connected with top cap central cylindrical member 1a.
Described battery core is reeled by positive plate 10, negative plate 11 and barrier film and forms on roller, and wherein, described barrier film is located between positive plate 10 and negative plate 11, and battery core outermost layer is barrier film; The upper and lower two ends of battery core and housing contacts portion are equipped with insulation meson, and bottom end cup or top cover be also provided with a counter bore structure 8.
Described liquid injection hole 7 is located on end cup 2; This liquid injection hole 7 is located at Di Bei 2 bottom centre, it comprises one by protruding part inwardly protruded bottom end cup, is provided with liquid injection hole 7 in the middle part of this protruding part, and this liquid injection hole 7 place is provided with a check ball, described protruding part is positioned at described column servicing unit 9, is also provided with a bimetal leaf 12 bottom this end cup 2.
In the middle of at the bottom of the present embodiment moves on to the position of liquid filling hole glass from upper top, added thickness is hidden in middle column servicing unit, so above pushing up the position having pole piece corresponding can be thinner, improves inner space further, makes battery can do shorter or capacity does more.
But the foregoing is only better possible embodiments of the present utility model, and be not used to limit to the scope of the claims of the present utility model, therefore the equivalence change that all utilization the utility model description and accompanying drawing are done, be all included in protection range of the present utility model.
Claims (10)
1. a coin shape lithium rechargeable battery, it comprises battery case, and is located at battery core and the electrolyte of enclosure; It is characterized in that, described battery core is cylindrical battery core, and battery core center is provided with the column servicing unit of an inner hollow; Described shell comprises cap assembly and end cup, and end cup opening part is provided with top cover placement position, and described cap assembly and end cup are by being welded and fixed; Described battery core the two poles of the earth are connected with end cup with cap assembly respectively by guide card; Also liquid injection hole is provided with on shell.
2. coin shape lithium rechargeable battery according to claim 1, it is characterized in that, described cap assembly comprises the circular cover plate being provided with through hole in the middle of center pillar part and, and described center pillar part is located at circular cover plate through hole, and is provided with insulation cushion between center pillar part and circular cover plate; Described center pillar part mid diameter is less than two ends diameter, and forms screens, and center pillar part lower end is positioned at described column servicing unit.
3. coin shape lithium rechargeable battery according to claim 2, is characterized in that, is provided with the fastener with described clamping matching around the through hole of described circular cover plate, and this fastener top is provided with center pillar part and insulation cushion places position.
4. coin shape lithium rechargeable battery according to claim 1, it is characterized in that, described column servicing unit is a hollow pipe, opening is provided with in this column servicing unit side, and the upper end of this opening is greater than lower end or upper and lower side is consistent, described guide card is entered in column servicing unit by upper end open, and is connected with top cap central cylindrical member.
5. coin shape lithium rechargeable battery according to claim 1, is characterized in that, described battery core is reeled by positive plate, negative plate and barrier film and forms on roller, and wherein, described barrier film is located between positive plate and negative plate, and battery core outermost layer is barrier film.
6. coin shape lithium rechargeable battery according to claim 1, is characterized in that, the upper and lower two ends of described battery core and housing contacts portion are equipped with insulation meson, and bottom end cup or top cover be also provided with a counter bore structure.
7. coin shape lithium rechargeable battery according to claim 1, is characterized in that, described liquid injection hole is located on cap assembly or end cup.
8. coin shape lithium rechargeable battery according to claim 7, is characterized in that, when being located on cap assembly, it is located on the circular cover plate of top cover.
9. coin shape lithium rechargeable battery according to claim 7, it is characterized in that, when being located on end cup, this liquid injection hole is located at Di Bei bottom centre, it comprises one by protruding part inwardly protruded bottom end cup, be provided with liquid injection hole in the middle part of this protruding part, and this liquid injection hole place is provided with a check ball, described protruding part is positioned at described column servicing unit.
10. coin shape lithium rechargeable battery according to claim 9, is characterized in that, bottom cup of the described end, be also provided with a bimetal leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257493.7U CN204596910U (en) | 2015-04-27 | 2015-04-27 | A kind of coin shape lithium rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257493.7U CN204596910U (en) | 2015-04-27 | 2015-04-27 | A kind of coin shape lithium rechargeable battery |
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| Publication Number | Publication Date |
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| CN204596910U true CN204596910U (en) | 2015-08-26 |
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|---|---|---|---|
| CN201520257493.7U Expired - Fee Related CN204596910U (en) | 2015-04-27 | 2015-04-27 | A kind of coin shape lithium rechargeable battery |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159350A (en) * | 2015-04-27 | 2016-11-23 | 深圳金山电池有限公司 | A kind of coin shape lithium rechargeable battery and preparation method thereof |
| CN107768586A (en) * | 2017-09-28 | 2018-03-06 | 珠海微矩实业有限公司 | Button cell and its device |
| WO2021033942A1 (en) * | 2019-08-19 | 2021-02-25 | 삼성에스디아이 주식회사 | Secondary battery |
| WO2021065334A1 (en) * | 2019-09-30 | 2021-04-08 | 株式会社村田製作所 | Secondary battery |
| WO2021125504A1 (en) * | 2019-12-19 | 2021-06-24 | 삼성에스디아이 주식회사 | Secondary battery |
| JPWO2021161812A1 (en) * | 2020-02-12 | 2021-08-19 | ||
| WO2021174932A1 (en) * | 2020-03-06 | 2021-09-10 | 贵州中瑞丰泰新能源科技有限公司 | Wearable battery structure conducive to mass production |
| CN113851689A (en) * | 2020-06-26 | 2021-12-28 | 三星Sdi株式会社 | Rechargeable battery |
| CN113889716A (en) * | 2020-07-01 | 2022-01-04 | 三星Sdi株式会社 | Rechargeable battery |
| CN113922006A (en) * | 2020-07-10 | 2022-01-11 | 三星Sdi株式会社 | Rechargeable battery |
| WO2022059339A1 (en) * | 2020-09-17 | 2022-03-24 | 株式会社村田製作所 | Secondary battery |
| EP4047703A3 (en) * | 2021-01-19 | 2022-09-07 | LG Energy Solution, Ltd. | Electrode terminal, cylindrical battery cell, battery pack and vehicle |
-
2015
- 2015-04-27 CN CN201520257493.7U patent/CN204596910U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159350B (en) * | 2015-04-27 | 2019-04-26 | 深圳金山电池有限公司 | A kind of coin shape lithium ion secondary battery and preparation method thereof |
| CN106159350A (en) * | 2015-04-27 | 2016-11-23 | 深圳金山电池有限公司 | A kind of coin shape lithium rechargeable battery and preparation method thereof |
| CN107768586A (en) * | 2017-09-28 | 2018-03-06 | 珠海微矩实业有限公司 | Button cell and its device |
| WO2021033942A1 (en) * | 2019-08-19 | 2021-02-25 | 삼성에스디아이 주식회사 | Secondary battery |
| WO2021065334A1 (en) * | 2019-09-30 | 2021-04-08 | 株式会社村田製作所 | Secondary battery |
| JPWO2021065334A1 (en) * | 2019-09-30 | 2021-04-08 | ||
| WO2021125504A1 (en) * | 2019-12-19 | 2021-06-24 | 삼성에스디아이 주식회사 | Secondary battery |
| CN115104216A (en) * | 2020-02-12 | 2022-09-23 | 株式会社村田制作所 | Secondary battery |
| JPWO2021161812A1 (en) * | 2020-02-12 | 2021-08-19 | ||
| WO2021161812A1 (en) * | 2020-02-12 | 2021-08-19 | 株式会社村田製作所 | Secondary battery |
| EP4086995A4 (en) * | 2020-02-12 | 2024-04-17 | Murata Manufacturing Co | Secondary battery |
| WO2021174932A1 (en) * | 2020-03-06 | 2021-09-10 | 贵州中瑞丰泰新能源科技有限公司 | Wearable battery structure conducive to mass production |
| CN113851689A (en) * | 2020-06-26 | 2021-12-28 | 三星Sdi株式会社 | Rechargeable battery |
| US11522257B2 (en) | 2020-06-26 | 2022-12-06 | Samsung Sdi Co., Ltd. | Button cell |
| EP3930087A1 (en) * | 2020-06-26 | 2021-12-29 | Samsung SDI Co., Ltd. | Rechargeable battery |
| EP3944387A1 (en) * | 2020-07-01 | 2022-01-26 | Samsung SDI Co., Ltd. | Rechargeable battery |
| CN113889716A (en) * | 2020-07-01 | 2022-01-04 | 三星Sdi株式会社 | Rechargeable battery |
| US11695180B2 (en) | 2020-07-01 | 2023-07-04 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| CN113922006A (en) * | 2020-07-10 | 2022-01-11 | 三星Sdi株式会社 | Rechargeable battery |
| EP3937298A1 (en) * | 2020-07-10 | 2022-01-12 | Samsung SDI Co., Ltd. | Rechargeable battery |
| WO2022059339A1 (en) * | 2020-09-17 | 2022-03-24 | 株式会社村田製作所 | Secondary battery |
| EP4047703A3 (en) * | 2021-01-19 | 2022-09-07 | LG Energy Solution, Ltd. | Electrode terminal, cylindrical battery cell, battery pack and vehicle |
| EP4311013A3 (en) * | 2021-01-19 | 2024-02-21 | LG Energy Solution, Ltd. | Electrode terminal, cylindrical battery cell, battery pack and vehicle |
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