CN203707230U - Button cell anode and button cell - Google Patents
Button cell anode and button cell Download PDFInfo
- Publication number
- CN203707230U CN203707230U CN201420103078.1U CN201420103078U CN203707230U CN 203707230 U CN203707230 U CN 203707230U CN 201420103078 U CN201420103078 U CN 201420103078U CN 203707230 U CN203707230 U CN 203707230U
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- China
- Prior art keywords
- positive
- substrate
- anode
- positive pole
- steel shell
- 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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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a button cell anode and a button cell. The button cell anode comprises an anode steel housing, and an anode plate mounted in the anode steel housing, wherein the anode plate comprises an anode substrate and an annular anode material layer uniformly coated around the center of the upper surface of the anode substrate; the lower surface of the anode substrate is connected with the internal surface of the anode steel housing; the center of the anode substrate is welded on the internal surface of the anode steel housing; and a welding spot is formed in the center of the anode substrate. The button cell comprises a diaphragm, a cathode plate, a cathode steel housing and the battery anode.The center of the anode substrate of the anode plate is welded on the internal surface of the anode steel housing to form a whole, so that the internal resistance of the battery is reduced, the consistency of the battery is improved, the stability of an internal structure of the battery in a using process is kept at the same time, the discharge ability of the battery is improved, and the service life is prolonged.
Description
Technical field
The utility model belongs to button cell technical field, relates in particular to a kind of Snap-type cell positive and the button cell that comprises this anode.
Background technology
Button cell also claims button cell, refers to the battery of overall dimension as a little button, and because its bodily form is less, diameter is from 4.8mm to 30mm, thickness from 1.0mm to 7.7mm not etc., therefore the application in various miniature electronic products is comparatively extensive.As shown in Figure 3, common button cell generally comprises positive plate a, positive pole steel shell b, barrier film c, negative plate d, negative pole box hat e and sealing ring f, wherein, positive plate a is made up of aluminium foil a1 and the positive electrode a2 that is coated in this aluminium foil a1 surface, positive plate a is arranged in positive pole steel shell b, barrier film c is located between positive plate a and negative plate d, negative plate d is located at the inner surface of negative pole box hat e, the bottom surrounding of negative pole box hat e is encapsulated on positive pole steel shell a by sealing ring f, just, negative plate respectively with just, negative pole box hat connects in the mode of face contact, thereby guarantee the transmission of electronics.But, the battery being made by the mode of this contact is in its use procedure, the upper positive electrode a2 of aluminium foil a1 can consume gradually, cause positive plate a, barrier film c and the negative plate d of box hat inside to produce each other movably gap, thereby causing cannot maintaining stable face between the aluminium foil a1 of positive plate a and positive pole steel shell b contacts, can not guarantee the consistency of contact resistance, make the transporting variation of electronics, also can make what is more to depart from completely between aluminium foil a1 and positive pole steel shell b, have a strong impact on electrical property and the useful life of battery.
Utility model content
Thereby being to provide a kind of, the purpose of this utility model can guarantee that positive plate and positive pole steel shell close contact maintain Snap-type cell positive and the button cell of inside battery structural stability.
This Snap-type cell positive that the utility model provides, comprise positive pole steel shell and be arranged on the positive plate in this positive pole steel shell, described positive plate comprises anodal substrate and is evenly coated in the circular positive electrode material layer of this positive pole substrate upper surface center surrounding, the lower surface of described anodal substrate and the inner surface of positive pole steel shell join, and the center of this positive pole substrate is welded on the inner surface of positive pole steel shell and in described anodal substrate, is formed centrally a solder joint.
The internal diameter of described circular positive electrode material layer is 1-6mm.
Described anodal substrate is made up of aluminium foil.
Solder joint in described anodal substrate center is formed by electric resistance welding, ultrasonic bond or Laser Welding.
A kind of button cell that comprises above-mentioned anode, comprise positive pole steel shell, positive plate, barrier film, negative plate and negative pole box hat, described barrier film is located between positive plate and negative plate, described negative plate is located at the inner surface of negative pole box hat, the bottom surrounding of described negative pole box hat is encapsulated on positive pole steel shell by a sealing ring, described positive plate comprises anodal substrate and is evenly arranged on the circular positive electrode material layer of this positive pole substrate upper surface center surrounding, the lower surface of described anodal substrate and the inner surface of positive pole steel shell join, the center of this positive pole substrate is welded on the inner surface of positive pole steel shell, in described anodal substrate, be formed centrally a solder joint, described barrier film is located between circular positive electrode material layer and negative plate.
The utility model, by the anodal substrate center of positive plate is welded on positive pole steel shell inner surface, forms an entirety, has reduced the internal resistance of cell, and can improve the consistency of the internal resistance of cell, be i.e. the consistency of battery.In addition, in the use procedure of battery, how much movably the positive electrode consumption that no matter is coated in anodal substrate surface is how many, the inner generation of box hat gap, positive plate is connected with positive pole steel shell all the time, maintain the stability of inside battery structure, the discharge capability of giving full play to battery, increases the service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Snap-type cell positive.
Fig. 2 is the structural representation of the utility model button cell.
Fig. 3 is the structural representation of prior art button cell.
Embodiment
As can be seen from Figure 1, this Snap-type cell positive of the utility model, comprise positive pole steel shell 1 and positive plate 2, wherein positive plate 2 comprises anodal substrate 21 and is evenly coated in the circular positive electrode material layer 22 of these positive pole substrate 21 upper surface center surroundings, the anodal lower surface of substrate 21 and the inner surface of positive pole steel shell 1 join, and this positive pole substrate 21 center is welded on the inner surface of positive pole steel shell 1 and in anodal substrate 21, is formed centrally a solder joint 23.
In the utility model, anodal substrate 21 is made up of aluminium foil, and the internal diameter of circular positive electrode material layer 22 is 1-6mm, is formed by electric resistance welding, ultrasonic bond or Laser Welding at the solder joint 23 at anodal substrate 21 centers.
As can be seen from Figure 2, this button cell of the utility model, comprise positive pole steel shell 1, positive plate 2, barrier film 3, negative plate 4, negative pole box hat 5 and sealing ring 6, wherein positive plate 2 comprises anodal substrate 21 and is evenly arranged on the circular positive electrode material layer 22 of these positive pole substrate 21 upper surface center surroundings, the anodal lower surface of substrate 21 and the inner surface of positive pole steel shell 1 join, this positive pole substrate 21 center is welded on the inner surface of positive pole steel shell 1 and in anodal substrate 21, is formed centrally a solder joint 23, barrier film 3 is located between the upper surface of circular positive electrode material layer 22 and the lower surface of negative plate 4, negative plate 4 is located at the inner surface of negative pole box hat 5, the bottom surrounding of negative pole box hat 5 is encapsulated on positive pole steel shell 1 by sealing ring 6.
The manufacturing process of the Snap-type cell positive in the utility model is as follows:
1, scrape off at the core of the existing anodal substrate 21 of circle that has applied positive electrode completely the circular positive electrode that a diameter is 1-6mm, expose an anodal substrate that does not cover positive electrode correspondingly, thereby form a circular positive electrode material layer 22 that internal diameter is 1-6mm.
2, by the mode of electric resistance welding, ultrasonic bond or Laser Welding, this positive pole substrate 21 center is welded on the inner surface of positive pole steel shell 1, forms solder joint 23.
The manufacturing process of the button cell in the utility model is as follows:
The first step, is made anode and is dripped electrolyte by said method.
Second step, by opening up negative pole box hat 5 placement, sealing ring 6 has been fixed on the interior outside surrounding at negative pole box hat 5 tops, negative plate 4 is placed on the inner surface of negative pole box hat 5, drips electrolyte, barrier film 3 is placed on the upper surface of negative plate 4, forms an assembly.
The 3rd step, is buckled in above-mentioned anode on the combinations thereof body that added electrolyte.
The 4th step, packaged battery.
Can obtain through test, the button cell making by the mode that positive plate is connected with solder joint with positive pole steel shell, the internal resistance of cell reduces more than 20%, and battery consistency is good, and battery average life span improves more than 10%.
Claims (5)
1. a Snap-type cell positive, comprise positive pole steel shell (1) and be arranged on the positive plate (2) in this positive pole steel shell (1), it is characterized in that: described positive plate (2) comprises anodal substrate (21) and is evenly coated in the circular positive electrode material layer (22) of this positive pole substrate (21) upper surface center surrounding, the inner surface of the lower surface of described anodal substrate (21) and positive pole steel shell (1) joins, and the center of this positive pole substrate (21) is welded on the inner surface of positive pole steel shell (1) and in described anodal substrate (21), is formed centrally a solder joint (23).
2. Snap-type cell positive according to claim 1, is characterized in that: the internal diameter of described circular positive electrode material layer (22) is 1-6mm.
3. Snap-type cell positive according to claim 1, is characterized in that: described anodal substrate (21) is made up of aluminium foil.
4. Snap-type cell positive according to claim 1, is characterized in that: the solder joint (23) at described anodal substrate (21) center is formed by electric resistance welding, ultrasonic bond or Laser Welding.
5. one kind comprises the button cell of anode claimed in claim 1, comprise positive pole steel shell (1), positive plate (2), barrier film (3), negative plate (4) and negative pole box hat (5), described barrier film (3) is located between positive plate (2) and negative plate (4), described negative plate (4) is located at the inner surface of negative pole box hat (5), the bottom surrounding of described negative pole box hat (5) is encapsulated on positive pole steel shell (1) by a sealing ring (6), it is characterized in that: described positive plate (2) comprises anodal substrate (21) and is evenly arranged on the circular positive electrode material layer (22) of this positive pole substrate (21) upper surface center surrounding, the inner surface of the lower surface of described anodal substrate (21) and positive pole steel shell (1) joins, the center of this positive pole substrate (21) is welded on the inner surface of positive pole steel shell (1), in described anodal substrate (21), be formed centrally a solder joint (23), described barrier film (3) is located between circular positive electrode material layer (22) and negative plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103078.1U CN203707230U (en) | 2014-03-07 | 2014-03-07 | Button cell anode and button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103078.1U CN203707230U (en) | 2014-03-07 | 2014-03-07 | Button cell anode and button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707230U true CN203707230U (en) | 2014-07-09 |
Family
ID=51057626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103078.1U Expired - Fee Related CN203707230U (en) | 2014-03-07 | 2014-03-07 | Button cell anode and button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707230U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133513A (en) * | 2018-02-09 | 2019-08-16 | 北京好风光储能技术有限公司 | Slurry battery electrode material electrochemical property test device and detection method |
| CN110336065A (en) * | 2019-05-15 | 2019-10-15 | 广东微电新能源有限公司 | Button-type battery and its manufacturing method |
| CN111261805A (en) * | 2020-01-19 | 2020-06-09 | 惠州市恒泰科技股份有限公司 | Button battery and preparation process thereof |
| CN111525172A (en) * | 2020-04-10 | 2020-08-11 | 中国科学院山西煤炭化学研究所 | Assembling method of lithium ion button cell |
| US20210043919A1 (en) * | 2018-05-17 | 2021-02-11 | Ngk Insulators, Ltd. | COIN-SHAPED LITHIUM SECONDARY BATTERY AND IoT DEVICE |
| CN112913050A (en) * | 2018-10-30 | 2021-06-04 | 日本碍子株式会社 | Button type secondary battery |
-
2014
- 2014-03-07 CN CN201420103078.1U patent/CN203707230U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133513A (en) * | 2018-02-09 | 2019-08-16 | 北京好风光储能技术有限公司 | Slurry battery electrode material electrochemical property test device and detection method |
| US11996544B2 (en) * | 2018-05-17 | 2024-05-28 | Ngk Insulators, Ltd. | Coin-shaped lithium secondary battery and IoT device |
| US20210043919A1 (en) * | 2018-05-17 | 2021-02-11 | Ngk Insulators, Ltd. | COIN-SHAPED LITHIUM SECONDARY BATTERY AND IoT DEVICE |
| CN112913050A (en) * | 2018-10-30 | 2021-06-04 | 日本碍子株式会社 | Button type secondary battery |
| US20210184241A1 (en) * | 2018-10-30 | 2021-06-17 | Ngk Insulators, Ltd. | Coin-type secondary cell |
| CN113363633A (en) * | 2019-05-15 | 2021-09-07 | 广东微电新能源有限公司 | Button-type battery and method for manufacturing the same |
| CN113363634A (en) * | 2019-05-15 | 2021-09-07 | 广东微电新能源有限公司 | Button-type battery and method for manufacturing the same |
| CN113363636A (en) * | 2019-05-15 | 2021-09-07 | 广东微电新能源有限公司 | Button-type battery and method for manufacturing the same |
| CN113363636B (en) * | 2019-05-15 | 2023-06-30 | 广东微电新能源有限公司 | Button cell and method for manufacturing same |
| CN110336065A (en) * | 2019-05-15 | 2019-10-15 | 广东微电新能源有限公司 | Button-type battery and its manufacturing method |
| CN111261805A (en) * | 2020-01-19 | 2020-06-09 | 惠州市恒泰科技股份有限公司 | Button battery and preparation process thereof |
| CN111261805B (en) * | 2020-01-19 | 2024-04-05 | 惠州市恒泰科技股份有限公司 | Button cell and preparation process thereof |
| CN111525172A (en) * | 2020-04-10 | 2020-08-11 | 中国科学院山西煤炭化学研究所 | Assembling method of lithium ion button cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170307 |