CN206516715U - A kind of button cell of new winding electrode - Google Patents
A kind of button cell of new winding electrode Download PDFInfo
- Publication number
- CN206516715U CN206516715U CN201720125873.4U CN201720125873U CN206516715U CN 206516715 U CN206516715 U CN 206516715U CN 201720125873 U CN201720125873 U CN 201720125873U CN 206516715 U CN206516715 U CN 206516715U
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- China
- Prior art keywords
- cell
- cover
- winding electrode
- lower cover
- battery lower
- 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.)
- 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
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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of button cell of new winding electrode, including cell cover, the port of cell cover is provided with insulating cement；Aluminium foil is connected with the inner surface top inner wall of cell cover；Cell cover is connected with battery lower cover by insulating cement, and winding electrode includes positive pole, negative pole, anode ear, negative electrode lug and barrier film；Barrier film is connected between positive pole and negative pole；Anode ear is connected to the bottom of aluminium foil through first through hole spot welding；Negative electrode lug is electrically connected on battery lower cover inwall through the second through hole.The button cell of this new winding electrode, by setting cell cover, insulating cement, battery lower cover and winding electricity, insulating cement will not only be insulated between cell cover, battery lower cover and winding electrode, prevent winding electrode from will not contact outside air, purpose is prevented in charging process, produce the situation of self-corrosion so that the service life of button cell is long.
Description
Technical field
The utility model is related to the button cell technical field of winding electrode, especially a kind of button of new winding electrode
Battery.
Background technology
For existing button cell, the problem of being frequently encountered is the connection of electrode, particularly metal negative electrode and shell
Connection.Metal electrode would generally be directly stamped into above-mentioned anode coat half portion, i.e., pressed under pressure
Enter, but such operation still cannot ensure to form good electrical connection with shell in itself so that button cell discharge and recharge
During, produce self-corrosion, the problem of service life is short.
Utility model content
The purpose of this utility model is to provide a kind of button cell of new winding electrode, with preventing in discharge and recharge
During, it is produced from the advantage of burn into service life length to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of button cell of new winding electrode,
Including cell cover, the port of the cell cover is provided with insulating cement, and insulating cement is evenly distributed on cell cover；The electricity
Aluminium foil is connected with the inner surface top inner wall covered on pond；The lower section of the aluminium foil is provided with the first felt pad, the first felt pad peace
On cell cover inwall, the front end of the first felt pad is provided with first through hole；The cell cover passes through the gemel connection that insulate
There is battery lower cover, battery lower cover bottom interior surface is provided with the second felt pad, and the front end of the second felt pad is provided with the second through hole；
Winding electrode is connected with second felt pad；The winding electrode includes positive pole, negative pole, anode ear, negative electrode lug and isolation
Film；The positive pole and negative pole are evenly distributed on the second felt pad, and barrier film is connected between the positive pole and negative pole；It is described negative
Anode ear is electrically connected with the top of pole, anode ear is connected to the bottom of aluminium foil through first through hole spot welding；The bottom of the positive pole
Portion is electrically connected with negative electrode lug, and negative electrode lug is electrically connected on battery lower cover inwall through the second through hole.
It is used as further program of the utility model：The port of the cell cover is arranged in insulating cement.
It is used as further program of the utility model：The cell cover, battery lower cover and winding electrode are set to cylinder,
The diameter of battery lower cover is more than the diameter of cell cover, and the diameter of cell cover is more than the diameter of winding electrode.
It is used as further program of the utility model：The vertical section of the cell cover is inverted U, and the perpendicular of battery lower cover is cut
Face is U-shaped, and the use stainless steel of cell cover and battery lower cover is made.
Compared with prior art, the utility model beneficial effect：
The button cell of this new winding electrode, by setting cell cover, insulating cement, battery lower cover and winding electrode,
Insulating cement will not only be insulated between cell cover, battery lower cover and winding electrode, while play sealed effect, prevent around
The anode ear spot welding that group electrode will not be contacted in outside air, winding electrode is connected to the bottom of aluminium foil, and purpose is prevented in charging
During, produce the situation of self-corrosion so that the service life of button cell is long, and the time of power storage is long.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
Fig. 2 is part sectioned view of the present utility model.
In figure：1- cell covers；11- insulating cements；12- aluminium foils；The felt pads of 13- first；131- first through hole；Under 2- batteries
Lid；The felt pads of 3- second；The through holes of 31- second；4- winding electrodes；41- positive poles；42- negative poles；43- anode ears；44- negative electrode lugs；
45- barrier films.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1-2, the utility model embodiment, a kind of button cell of new winding electrode, including on battery
Lid 1, the port of cell cover 1 is provided with insulating cement 11, and the port of cell cover 1 is arranged in insulating cement 11, and insulating cement 11 will
The port of cell cover 1 is wrapped, and insulating cement 11 is evenly distributed on cell cover 1, due on the protection battery of insulating cement 11
Lid 1 will not touch winding electrode 4, while playing sealed effect, winding electrode 4 does not have ingress of air；Cell cover 1
Aluminium foil 12 is connected with inner surface top inner wall, the surface of aluminium foil 12 uses conductive coating, the soft-package battery of aluminium foil 12 while aluminium foil
12 light weight；The lower section of aluminium foil 12 is provided with the first felt pad 13, and the first felt pad 13 prevents aluminium foil 12 and winding electrode 4 from connecing
Touch, the first felt pad 13 is arranged on the inwall of cell cover 1, the first felt pad 13 is very safe to cover aluminium foil 12, first
The front end of felt pad 13 is provided with first through hole 131, and first through hole 131 is round；Cell cover 1 is connected with by insulating cement 11
Battery lower cover 2, the vertical section of cell cover 1 is inverted U, under the vertical section of battery lower cover 2 is U-shaped type, cell cover 1 and battery
Lid 2 is made of stainless steel, cell cover 1 tip upside down on battery lower cover 2, cell cover 1 tip upside down on battery lower cover 2 it
Between connected by insulating cement 11, stainless steel cause cell cover 1 and battery lower cover 2 placement when will not get rusty, shadow
The use of button cell is rung, the bottom interior surface of battery lower cover 2 is provided with the second felt pad 3, the effect and first of the second felt pad 3
Felt pad 13 is identical, and the front end of the second felt pad 3 is provided with the second through hole 31, and the second through hole 31 is also set to circular；Second insulation
Winding electrode 4 is connected with pad 3, cell cover 1, battery lower cover 2 and winding electrode 4 are set to cylinder, the diameter of battery lower cover 2
More than the diameter of cell cover 1, the diameter of cell cover 1 is more than the diameter of winding electrode 4, and cell cover 1 is located at battery lower cover 2
Interior, the diameter of cell cover 1 is less than the diameter of battery lower cover 2, and winding electrode 4 is located at cell cover 1 and battery lower cover 2 is constituted
Enclosure, the diameter of winding electrode 4 is less than cell cover 1 and battery lower cover 2, and winding electrode 4 is that button cell produces electricity
The critical piece of energy；Winding electrode 4 includes positive pole 41, negative pole 42, anode ear 43, negative electrode lug 44 and barrier film 45；The He of positive pole 41
Negative pole 42 is evenly distributed on felt pad 3, and positive pole 41 and negative pole 42 are alternately arranged, and isolation is connected between positive pole 41 and negative pole 42
Film 45, barrier film 45 can separate positive pole 41 and negative pole 42, positive pole 41 and negative pole 42 is not connected, and play protective winding electricity
The effect of pole 4；The top of negative pole 42 is electrically connected with anode ear 43, and anode ear 43 is the adhesive tape that negative pole 42 is connected, anode ear 43
The bottom of aluminium foil 12 is connected to through the spot welding of first through hole 131, one end equivalent to negative pole 42 is electrically connected on aluminium foil 12, mesh
Prevent in charging process, produce self-corrosion situation；The bottom of positive pole 41 is electrically connected with negative electrode lug 44, and negative electrode lug 44 is same
Sample is the adhesive tape for being connected to positive pole 41, and negative electrode lug 44 is electrically connected on the inwall of battery lower cover 2 through the second through hole 31, equivalent to
One end of positive pole 41 is electrically connected on battery lower cover 2.
In summary；The button cell of the new winding electrode, by setting cell cover 1, insulating cement 11, battery lower cover
2 and winding electrode 4, insulating cement 11 will not only be insulated between cell cover 1, battery lower cover 2 and winding electrode 4, be risen simultaneously
To sealed effect, prevent winding electrode 4 from will not contact the spot welding of anode ear 43 in outside air, winding electrode 4 and being connected to aluminium
The bottom of paper tinsel 12, purpose is prevented in charging process, produces the situation of self-corrosion so that the service life of button cell is long, electricity
The time that can be stored is long.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of button cell of new winding electrode, including cell cover (1), it is characterised in that：The cell cover (1)
Port is provided with insulating cement (11), and insulating cement (11) is evenly distributed on cell cover (1)；The interior table of the cell cover (1)
Aluminium foil (12) is connected with the top inner wall of face；The lower section of the aluminium foil (12) is provided with the first felt pad (13), the first felt pad
(13) it is arranged on cell cover (1) inwall, the front end of the first felt pad (13) is provided with first through hole (131)；The battery
Upper lid (1) is connected with battery lower cover (2) by insulating cement (11), and the inner surface of battery lower cover (2) bottom is provided with the second insulation
Pad (3), the front end of the second felt pad (3) is provided with the second through hole (31)；Winding electrode is connected with second felt pad (3)
(4)；The winding electrode (4) includes positive pole (41), negative pole (42), anode ear (43), negative electrode lug (44) and barrier film (45)；Institute
State positive pole (41) and negative pole (42) is evenly distributed on the second felt pad (3), connected between the positive pole (41) and negative pole (42)
There is barrier film (45)；Anode ear (43) is electrically connected with the top of the negative pole (42), anode ear (43) passes through first through hole
(131) spot welding is connected to the bottom of aluminium foil (12)；The bottom of the positive pole (41) is electrically connected with negative electrode lug (44), negative electrode lug
(44) it is electrically connected at through the second through hole (31) on battery lower cover (2) inwall.
2. a kind of button cell of new winding electrode according to claim 1, it is characterised in that：The cell cover
(1) port is arranged in insulating cement (11).
3. a kind of button cell of new winding electrode according to claim 1, it is characterised in that：The cell cover
(1), battery lower cover (2) and winding electrode (4) are set to cylinder, and the diameter of battery lower cover (2) is more than the straight of cell cover (1)
Footpath, the diameter of cell cover (1) is more than the diameter of winding electrode (4).
4. a kind of button cell of new winding electrode according to claim 1, it is characterised in that：The cell cover
(1) vertical section is inverted U, and the vertical section of battery lower cover (2) is U-shaped, and cell cover (1) and battery lower cover (2) are used
Stainless steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125873.4U CN206516715U (en) | 2017-02-10 | 2017-02-10 | A kind of button cell of new winding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125873.4U CN206516715U (en) | 2017-02-10 | 2017-02-10 | A kind of button cell of new winding electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516715U true CN206516715U (en) | 2017-09-22 |
Family
ID=59867642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125873.4U Expired - Fee Related CN206516715U (en) | 2017-02-10 | 2017-02-10 | A kind of button cell of new winding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516715U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946486A (en) * | 2017-10-25 | 2018-04-20 | 深圳市能锐创新科技有限公司 | New fastening lithium ionic cell housing |
| CN109088090A (en) * | 2018-10-17 | 2018-12-25 | 深圳市迪丰能源科技有限公司 | A kind of button cell and preparation method thereof with winding patterns |
| 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 |
| CN111354912A (en) * | 2020-04-24 | 2020-06-30 | 福建南平延平区南孚新能源科技有限公司 | Electric connection method, electric connection structure and product of button cell pole shell and electrode lug |
| CN111463395A (en) * | 2020-04-24 | 2020-07-28 | 福建南平延平区南孚新能源科技有限公司 | Button cell production method capable of reducing false welding rate and button cell produced by button cell production method |
| CN111540847A (en) * | 2020-05-08 | 2020-08-14 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
| CN111554834A (en) * | 2020-05-08 | 2020-08-18 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
| CN112952180A (en) * | 2021-01-13 | 2021-06-11 | 中银（宁波）电池有限公司 | Winding button cell with diaphragm as electrode substrate and manufacturing method |
-
2017
- 2017-02-10 CN CN201720125873.4U patent/CN206516715U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946486A (en) * | 2017-10-25 | 2018-04-20 | 深圳市能锐创新科技有限公司 | New fastening lithium ionic cell housing |
| WO2019080394A1 (en) * | 2017-10-25 | 2019-05-02 | 深圳市能锐创新科技有限公司 | Novel button type lithium ion battery and housing thereof |
| 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 |
| CN109088090A (en) * | 2018-10-17 | 2018-12-25 | 深圳市迪丰能源科技有限公司 | A kind of button cell and preparation method thereof with winding patterns |
| CN109088090B (en) * | 2018-10-17 | 2024-03-22 | 深圳市迪丰能源科技有限公司 | Button cell with winding mode and manufacturing method thereof |
| CN111354912A (en) * | 2020-04-24 | 2020-06-30 | 福建南平延平区南孚新能源科技有限公司 | Electric connection method, electric connection structure and product of button cell pole shell and electrode lug |
| CN111463395A (en) * | 2020-04-24 | 2020-07-28 | 福建南平延平区南孚新能源科技有限公司 | Button cell production method capable of reducing false welding rate and button cell produced by button cell production method |
| CN111540847A (en) * | 2020-05-08 | 2020-08-14 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
| CN111554834A (en) * | 2020-05-08 | 2020-08-18 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
| CN111554834B (en) * | 2020-05-08 | 2023-02-10 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
| CN112952180A (en) * | 2021-01-13 | 2021-06-11 | 中银（宁波）电池有限公司 | Winding button cell with diaphragm as electrode substrate and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20200210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |