CN106654077A - Button battery - Google Patents
Button battery Download PDFInfo
- Publication number
- CN106654077A CN106654077A CN201710058775.8A CN201710058775A CN106654077A CN 106654077 A CN106654077 A CN 106654077A CN 201710058775 A CN201710058775 A CN 201710058775A CN 106654077 A CN106654077 A CN 106654077A
- Authority
- CN
- China
- Prior art keywords
- lower casing
- upper lid
- support
- button cell
- cell according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
-
- 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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to a button battery. The button battery comprises a shell body and an electrode isolator assembly arranged in the shell body, wherein the shell body comprises a conductive bottom area and a conductive top area opposite to the conductive bottom area; the electrode isolator assembly comprises at least one positive electrode and at least one negative electrode; the at least one positive electrode and the at least one negative electrode are electrically connected with the bottom area and the top area respectively; the shell body comprises a lower shell, a bracket arranged in the lower shell and an upper cover arranged on the bracket and limited by the lower shell; the upper cover is in insulation sealing connection with the lower shell; the bottom area is located on the lower shell; the top area is located on the upper cover. The button battery is firm in structure and quick and convenient to assemble.
Description
Technical field
The present invention relates to a kind of battery, more particularly to a kind of button cell.
Background technology
Button cell in correlation technique generally includes the shell being made up of two shell halfbodies, and two shell halfbodies are
Cell cup and battery top, they can be by nickel-plated metal piece punch forming.Generally, cell cup is positive pole, and cover top portion is
Negative pole.Enclosure can comprising one of a variety of electro-chemical systems, such as zinc/MnO2, once with secondary lithium system or all
Such as nickel/cadmium or the electrical secondary system of nickle/metal hydrides.However, the stability of the button cell in correlation technique and/or installation are just
Profit is poor；In addition, the space availability ratio in the button cell housing in correlation technique is relatively low.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of improved button cell.
The technical solution adopted for the present invention to solve the technical problems is：A kind of button cell is provided including housing and is set
The electrode isolation body component being placed in the housing, the housing includes conductive bottom section and conductive top on the other side
Portion region, the electrode isolation body component includes at least one positive pole and at least one negative pole, at least one positive pole and institute
State at least one negative pole to be electrically connected with the bottom section and the top area respectively；The housing includes lower casing, arranging should
Support in lower casing and the upper lid for being arranged on the support and being limited by lower casing, insulate close between the upper lid and the lower casing
Envelope connection；The bottom section is located on the lower casing, and the top area is located on the upper lid
In certain embodiments, the lower casing is metal lower shell, and the upper lid is metal top cover；The lower casing includes circle
Diapire, the cylindrical lateral wall for being centered around the diapire periphery and the bound edge for being arranged at the top side wall, the bound edge and the support
The edge of upper lid is clamped together, so as to lower casing and above covering tightly thickly be linked together.
In certain embodiments, the diapire with upper lid in being arranged in parallel, divide by the bottom section and the top area
It is not formed on the diapire and the upper lid.
In certain embodiments, the support is metallic support, and it includes cylindrical body and is formed on the body
The flanging at end, the flanging is protruded horizontally up from the body to the direction of axis.
In certain embodiments, the external diameter of the body is adapted with the internal diameter of the lower casing so that the support is contained in
When in the lower casing, the outside wall surface of the support is brought into close contact with the internal face of the lower casing.
In certain embodiments, it is formed with dilatation groove/opening on the body.
In certain embodiments, the upper lid is connected by being coated on the seal on its periphery with the lower casing insulated enclosure
Connect.
In certain embodiments, the upper lid is connected by seal with the lower casing insulated enclosure, and lid includes side on this
Edge and outwardly pars intermedia, the seal coats upper surface, lower surface and the end face outside of the edge part.
In certain embodiments, the electrode isolation body component includes banding positive pole, banding negative pole and banding slider；Should
Banding positive pole, banding negative pole and banding slider exist with the composite members for being laminated composition, and the shape in the form of spirality winding
Into the electrode isolation body component；The axis of the electrode isolation body component is vertical with the bottom section and the top area
Alignment.
In certain embodiments, the lower casing, the support and the upper lid are made using stainless steel substrates, and described
The thickness range of lower casing and the upper lid is 0.13～0.17mm, and the thickness range of the support is 0.16～0.24mm.
Beneficial effects of the present invention：The button cell fastening structure, assembles efficient and convenient.
In addition, arranging on the button battery support body after dilatation groove/opening, additionally it is possible to room for promotion utilization rate.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the longitudinal profile structure schematic of the button cell in some embodiments of the invention；
Fig. 2 is the top view of the support of the button cell in other embodiments of the invention；
Fig. 3 is the side view of the support of the button cell in still other embodiments of the present invention.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
Fig. 1 shows the button cell 1 in some embodiments of the invention, and the button cell 1 includes the cylindrical shell of sealing
10, and the electrode isolation body component 20 for being arranged in the housing 10 and being electrically connected with the housing 10.The housing 10 includes can
The bottom section and conductive top area on the other side of conduction, when in use, the region forms the button cell 1
Electrode, thus load can extract electric current.
The housing 10 may include in certain embodiments lower casing 11, the support 12 being arranged in the lower casing 11 and be arranged at
The upper lid 13 fixed on the support 12 and by lower casing 11, lid 13 and the mutually insulated of lower casing 11 sealing on this.In some embodiments
In, lid 13 is that seal 14 by being coated on its periphery is realized and the insulated enclosure connection between lower casing 11 on this.Under this
Shell 11, support 12 and upper lid 13 can be by stainless steel substrates punch formings.In certain embodiments, the polarity of the lower casing 11 can be
Just, polarity of lid 13 can be negative on this.
Lower casing 11 may include in certain embodiments a circular bottom wall 111, be centered around the cylindrical shape of the periphery of diapire 111
Side wall 112 and the bound edge 113 being arranged at the top of the side wall 112, the diapire 111 is in be arranged in parallel with upper lid 13, the bound edge 113
Can be molded in the form of crimping.The bound edge 113 clamps at the edge of upper lid 13 together with support 12, so as to by lower casing 11 and upper
Lid 13 is closely attached together.In certain embodiments, the thickness range of lower casing 11 can be 0.13～0.17mm.It is appreciated that
Ground, the thickness of lower casing 11 is not limited to the scope, and under various sizes of button cell or different application occasion, the thickness can be with
It is different as desired.
The support 12 may include in certain embodiments cylindrical body 121 and be formed at the upper end of body 121
Flanging 123, the flanging 123 is protruded horizontally up from the body 121 to the direction of axis, to facilitate lid 13 in support.It is preferred that
Ground, the external diameter of the body 121 is adapted with the internal diameter of the lower casing 11 so that when the support 12 is contained in the lower casing 11, outside it
Wall is brought into close contact with the internal face of main body 121.The thickness range of support 12 can be in certain embodiments 0.16～0.24mm；
The extension elongation of the flanging 123 is about five times of thickness.In certain embodiments, in order to lift the volume of whole housing 10,
Can be on the premise of the support strength of lid in satisfaction 13, to opening up dilatation hole or groove on support 12.One kind for example shown in Fig. 2
Frame 12a, has opened up the groove 120a of a longitudinal direction so that whole support 12a is C-shaped, and it, should while possessing support strength
The presence of groove 120a increased electrolyte receiving space.Again for example, the support 12b shown in Fig. 3, it is in cylindric support
Some penetrating circular holes are opened up on body, engraved structure has been integrally formed, it is also possible to reached similar purpose.It is to be appreciated that
The thickness of the support 12 is also not limited to the scope.
Lid 13 may include in certain embodiments edge part 131 and outwardly pars intermedia 132, seal 14 on this
Annularly, and coat upper surface, lower surface and the end face outside of the edge part 131, so as to realize upper lid 13 and lower casing 11 with
And the insulated enclosure connection between support 12.In certain embodiments, thickness range of lid 13 can be 0.13～0.17mm on this.
The electrode isolation body component 20 may include in certain embodiments banding positive pole 21, banding negative pole 22 and banding every
In vitro 23.The banding positive pole 21, banding negative pole 22 and banding slider 23 exist with the composite members for being laminated composition, and with spiral
The form of shape winding forms the electrode isolation body component 20.The positive pole 21 and negative pole 22 are electrically connected (such as with electric conductor weldering
Connect) in the diapire 111 and upper lid 13 of lower casing 11.Two ends of the electrode isolation body component 20 respectively with the diapire of lower casing 11
111 and upper lid 13 be aligned, it is preferable that be aligned in the way of right angle；Namely the axis of the electrode isolation body component 20 and diapire 111
It is perpendicular with upper lid 13.
The button cell 1 can adopt following steps when making：
(1) lower casing intermediate, support 12 and the electrode isolation body component 20 for not yet forming bound edge 113 is provided；
(2) electrode isolation body component 20 is inserted in support 12, forms an assembly；
(3) assembly is inserted in lower casing intermediate, and positive pole 21 is welded with the diapire 111 of lower casing intermediate；
(4) toward injection electrolyte in lower casing intermediate；
(5) lid 13 that periphery is coated with seal 14 is provided, by the inner surface of the lid 13 and electrode isolation body component
After 20 negative pole 22 is electrically connected, then the lid 13 is filled in lower casing intermediate and is supported by support 12；
(6) bound edge 113 is formed in the edge of opening of lower casing intermediate by the form of crimping, and forms lower casing 11, bound edge
113 outsides for being coated on seal 14, lid 13 is bound tightly together with lower casing 11.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of button cell, including housing and the electrode isolation body component being arranged in the housing, the housing includes leading
Electricity bottom section and conductive top area on the other side, the electrode isolation body component include at least one positive pole and
At least one negative pole, at least one positive pole and at least one negative pole respectively with the bottom section and the top region
Domain is electrically connected with；Characterized in that, the housing includes lower casing, arranges the support in the lower casing and be arranged on the support and quilt
The upper lid that lower casing is limited, insulated enclosure connection between the upper lid and the lower casing；The bottom section is located on the lower casing,
The top area is located on the upper lid.
2. button cell according to claim 1, it is characterised in that the lower casing is metal lower shell, the upper lid is gold
Cover on category；The lower casing includes circular bottom wall, is centered around the cylindrical lateral wall of the diapire periphery and is arranged at the top side wall
Bound edge, the bound edge clamps at the edge of upper lid together with the support, so as to lower casing and above covering tightly thickly be linked together.
3. button cell according to claim 2, it is characterised in that the diapire and upper lid in being arranged in parallel, the bottom
Portion region and the top area are respectively formed on the diapire and the upper lid.
4. button cell according to claim 2, it is characterised in that the support is metallic support, and it includes cylindrical shape
Body and the flanging of the body upper end is formed at, the flanging is protruded horizontally up from the body to the direction of axis.
5. button cell according to claim 4, it is characterised in that the internal diameter phase of the external diameter of the body and the lower casing
Adaptation so that when the support is contained in the lower casing, the outside wall surface of the support is brought into close contact with the internal face of the lower casing.
6. button cell according to claim 4, it is characterised in that dilatation groove/opening is formed with the body.
7. button cell according to claim 4, it is characterised in that the upper lid is by the sealing that is coated on its periphery
Part is connected with the lower casing insulated enclosure.
8. button cell according to claim 7, it is characterised in that the upper lid includes edge part and outwardly
Pars intermedia, the seal coats upper surface, lower surface and the end face outside of the edge part.
9. the button cell according to any one of claim 1 to 8, it is characterised in that the electrode isolation body component includes band
Shape positive pole, banding negative pole and banding slider；The banding positive pole, banding negative pole and banding slider are being laminated answering for composition
Component is present, and the electrode isolation body component is formed in the form of spirality winding；The axis of the electrode isolation body component
With the bottom section and the top area perpendicular alignmnet.
10. the button cell according to any one of claim 1 to 8, it is characterised in that the lower casing, the support and
The upper lid is made using stainless steel substrates, and the thickness range of the lower casing and the upper lid is 0.13～0.17mm, described
The thickness range of support is 0.16～0.24mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058775.8A CN106654077A (en) | 2017-01-23 | 2017-01-23 | Button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058775.8A CN106654077A (en) | 2017-01-23 | 2017-01-23 | Button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654077A true CN106654077A (en) | 2017-05-10 |
Family
ID=58841382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710058775.8A Pending CN106654077A (en) | 2017-01-23 | 2017-01-23 | Button battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654077A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232051A (en) * | 2017-12-15 | 2018-06-29 | 珠海微矩实业有限公司 | Button cell |
| WO2019113970A1 (en) * | 2017-12-15 | 2019-06-20 | 珠海微矩实业有限公司 | Button cell and method for manufacturing same |
| CN111477773A (en) * | 2020-06-05 | 2020-07-31 | 东莞市电的电子有限公司 | Battery shell structure, miniature column type lithium battery and manufacturing method |
| CN111755633A (en) * | 2020-07-10 | 2020-10-09 | 瑞声科技（南京）有限公司 | Button cell |
| WO2021208128A1 (en) * | 2020-04-16 | 2021-10-21 | 广东国光电子有限公司 | Lithium ion battery |
| WO2021244618A1 (en) * | 2020-06-03 | 2021-12-09 | 珠海冠宇电池股份有限公司 | Button cell and manufacturing method therefor, and electronic device |
| WO2023006050A1 (en) * | 2021-07-30 | 2023-02-02 | 珠海冠宇电池股份有限公司 | Battery and electronic product |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| WO2024094179A1 (en) * | 2022-11-04 | 2024-05-10 | 厦门海辰储能科技股份有限公司 | End cover assembly of battery, battery cell, energy storage device, and electrical apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050064283A1 (en) * | 2003-06-30 | 2005-03-24 | Anderson Thomas P. | Electrochemical cell having improved radial seal |
| US20120015224A1 (en) * | 2009-02-09 | 2012-01-19 | Varta Microbattery Gmbh | Button cells and method for producing same |
| CN203218351U (en) * | 2013-03-28 | 2013-09-25 | 深圳市力电电池有限公司 | Button lithium battery with metal supporting ring |
| CN203617398U (en) * | 2013-12-25 | 2014-05-28 | 惠州市德赛电池有限公司 | Lithium-ion button cell packaging structure |
| CN206441771U (en) * | 2017-01-23 | 2017-08-25 | 珠海微矩实业有限公司 | Button cell |
-
2017
- 2017-01-23 CN CN201710058775.8A patent/CN106654077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050064283A1 (en) * | 2003-06-30 | 2005-03-24 | Anderson Thomas P. | Electrochemical cell having improved radial seal |
| US20120015224A1 (en) * | 2009-02-09 | 2012-01-19 | Varta Microbattery Gmbh | Button cells and method for producing same |
| CN203218351U (en) * | 2013-03-28 | 2013-09-25 | 深圳市力电电池有限公司 | Button lithium battery with metal supporting ring |
| CN203617398U (en) * | 2013-12-25 | 2014-05-28 | 惠州市德赛电池有限公司 | Lithium-ion button cell packaging structure |
| CN206441771U (en) * | 2017-01-23 | 2017-08-25 | 珠海微矩实业有限公司 | Button cell |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232051A (en) * | 2017-12-15 | 2018-06-29 | 珠海微矩实业有限公司 | Button cell |
| WO2019113970A1 (en) * | 2017-12-15 | 2019-06-20 | 珠海微矩实业有限公司 | Button cell and method for manufacturing same |
| WO2021208128A1 (en) * | 2020-04-16 | 2021-10-21 | 广东国光电子有限公司 | Lithium ion battery |
| WO2021244618A1 (en) * | 2020-06-03 | 2021-12-09 | 珠海冠宇电池股份有限公司 | Button cell and manufacturing method therefor, and electronic device |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| CN111477773A (en) * | 2020-06-05 | 2020-07-31 | 东莞市电的电子有限公司 | Battery shell structure, miniature column type lithium battery and manufacturing method |
| CN111755633A (en) * | 2020-07-10 | 2020-10-09 | 瑞声科技（南京）有限公司 | Button cell |
| WO2023006050A1 (en) * | 2021-07-30 | 2023-02-02 | 珠海冠宇电池股份有限公司 | Battery and electronic product |
| WO2024094179A1 (en) * | 2022-11-04 | 2024-05-10 | 厦门海辰储能科技股份有限公司 | End cover assembly of battery, battery cell, energy storage device, and electrical apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Chao Inventor before: Han Jianguo Inventor before: Huang Kai Inventor before: OuYang Wei Inventor before: Zhou Chao |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |