CN212571273U - Button type lithium battery capable of being charged quickly - Google Patents
Button type lithium battery capable of being charged quickly Download PDFInfo
- Publication number
- CN212571273U CN212571273U CN202021326195.6U CN202021326195U CN212571273U CN 212571273 U CN212571273 U CN 212571273U CN 202021326195 U CN202021326195 U CN 202021326195U CN 212571273 U CN212571273 U CN 212571273U
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- diaphragm
- copper foil
- anodal
- foil
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a button lithium cell that can fill soon, including anodal aluminium foil, the negative pole copper foil, anodal utmost point ear, negative pole utmost point ear, first diaphragm and second diaphragm, first diaphragm is located between anodal aluminium foil and the negative pole copper foil, the second diaphragm is located one side that anodal aluminium foil was kept away from to the negative pole copper foil, anodal utmost point ear is fixed on anodal aluminium foil, negative pole utmost point ear is fixed on the negative pole copper foil, anodal aluminium foil, first diaphragm, negative pole copper foil and second diaphragm are laminated in proper order and are changeed into battery body with anodal aluminium foil as interior, battery body's outside cladding has the cladding membrane, anodal utmost point ear is the twice of the length of anodal utmost point ear and the other one end of anodal aluminium foil, the ratio between battery body's the height and battery body's the bottom surface diameter is less than one. This button lithium cell that can fill soon can reduce the internal resistance of battery inside, and the grow electric current work for the stand-by time on the mobile product is longer, realizes quick charge's function.
Description
Technical Field
The utility model relates to a technical field of battery especially relates to a button lithium cell that can fill soon.
Background
Battery (Battery) refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a composite container that holds an electrolyte solution and metal electrodes to generate an electric current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy.
However, the battery tabs are all mounted at the ends of the foils, so that the internal resistance is high, the current transmission is low, the standby time of the battery tabs used on mobile products is short, and the battery tabs are not beneficial to long-time use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the button lithium battery capable of being charged quickly can reduce internal resistance inside the battery, and work with large current, so that standby time on a mobile product is longer, and a function of quick charging is realized.
To achieve the purpose, the utility model adopts the following technical proposal:
a button lithium battery capable of being quickly charged comprises an anode aluminum foil, a cathode copper foil, an anode tab, a cathode tab, a first diaphragm and a second diaphragm, the first diaphragm is positioned between the anode aluminum foil and the cathode copper foil, the second diaphragm is positioned on one side of the cathode copper foil far away from the anode aluminum foil, the anode tab is fixed on the anode aluminum foil, the cathode tab is fixed on the cathode copper foil, the positive aluminum foil, the first diaphragm, the negative copper foil and the second diaphragm are sequentially attached and are wound into a battery body by taking the positive aluminum foil as the inner part, the outer side of the battery body is coated with a coating film, the length of one end of the positive electrode lug and the positive electrode aluminum foil is twice of the length of the other end of the positive electrode lug and the positive electrode aluminum foil, the ratio of the height of the battery body to the diameter of the bottom surface of the battery body is less than one.
As a preferable mode, the battery pack includes a case that covers the outside of the battery body, and the cover film is located inside the case.
As a preferred technical scheme, the shell is a steel shell or an aluminum shell.
As a preferable technical solution, the length of one end of the negative electrode tab and the negative electrode copper foil is twice the length of the other end of the negative electrode tab and the negative electrode copper foil.
The utility model has the advantages that: the button lithium battery capable of being charged quickly can reduce internal resistance inside the battery, and work with large current, so that standby time on a mobile product is longer, and a function of quick charging is realized.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a lithium button cell that can be quickly charged after being rolled and formed according to a first embodiment;
fig. 2 is a front view of the unpacked layers of a lithium button cell battery that can be quickly charged according to an embodiment one;
fig. 3 is a front view of the unpacked layers of a lithium button cell of embodiment two.
In fig. 1 to 3:
1. a positive aluminum foil; 2. a negative copper foil; 3. a positive electrode tab; 4. a negative electrode tab; 5. a first diaphragm; 6. a second diaphragm; 7. a battery body.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The implementation benefit is as follows:
as shown in fig. 1 to 2, in this embodiment, a button lithium battery capable of being quickly charged includes an anode aluminum foil 1, a cathode copper foil 2, an anode tab 3, a cathode tab 4, a first diaphragm 5 and a second diaphragm 6, where the first diaphragm 5 is located between the anode aluminum foil 1 and the cathode copper foil 2, the second diaphragm 6 is located on one side of the cathode copper foil 2 away from the anode aluminum foil 1, the anode tab 3 is fixed on the anode aluminum foil 1, the cathode tab 4 is fixed on the cathode copper foil 2, the anode aluminum foil 1, the first diaphragm 5, the cathode copper foil 2 and the second aluminum foil 6 are sequentially attached and wound into a battery body 7 with the anode aluminum foil 1 as the inside, the outside of the battery body 7 is coated with a coating film, and the length of one end of the anode tab 3 and one end of the cathode aluminum foil 1 is twice as long as the length of the other end of the anode tab 3 and the cathode aluminum foil 1, the ratio of the height of the battery body 7 to the diameter of the bottom surface of the battery body 7 is less than one.
When the height of the battery body 7 is H and the diameter of the bottom surface of the battery body 7 is D, H/D is less than 1.
Specifically, the battery pack further comprises a housing which covers the outside of the battery body 7, and the cover film is located inside the housing.
The housing is a steel shell, and in other embodiments, the housing may also be an aluminum shell.
In the present embodiment, the position of the negative electrode tab 4 is not fixed.
The position of the positive electrode tab 3 is arranged at a position in the middle, so that the internal resistance of the battery is reduced, the current is increased in the charging process and is not limited by the size, and the standby time of the whole machine can be sufficiently long when the battery is installed on a required product.
Example two:
as shown in fig. 3, the present embodiment is different from the first embodiment in that: in this embodiment, the length of one end of the negative electrode tab 4 and the negative electrode copper foil 2 is twice the length of the other end of the negative electrode tab 4 and the negative electrode copper foil 2.
Not only the position design of anodal utmost point ear 3 is in comparatively middle position, the position of negative pole utmost point ear 4 also designs in the position that is close to the centre, and is shorter on the return circuit, and the efficiency of transmission current is more high.
It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.
Claims (4)
1. A button lithium battery capable of being charged quickly is characterized by comprising an anode aluminum foil, a cathode copper foil, an anode tab, a cathode tab, a first diaphragm and a second diaphragm, the first diaphragm is positioned between the anode aluminum foil and the cathode copper foil, the second diaphragm is positioned on one side of the cathode copper foil far away from the anode aluminum foil, the anode tab is fixed on the anode aluminum foil, the cathode tab is fixed on the cathode copper foil, the positive aluminum foil, the first diaphragm, the negative copper foil and the second diaphragm are sequentially attached and are wound into a battery body by taking the positive aluminum foil as the inner part, the outer side of the battery body is coated with a coating film, the length of one end of the positive electrode lug and the positive electrode aluminum foil is twice of the length of the other end of the positive electrode lug and the positive electrode aluminum foil, the ratio of the height of the battery body to the diameter of the bottom surface of the battery body is less than one.
2. A lithium button cell battery as claimed in claim 1, which includes a case covering the outside of the cell body, and the cover film is located inside the case.
3. A lithium button cell battery as in claim 2, wherein said casing is a steel or aluminum casing.
4. A lithium button cell which can be charged quickly as set forth in claim 1, wherein the length of said negative electrode tab and one end of said negative electrode copper foil is twice as long as the length of said negative electrode tab and the other end of said negative electrode copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326195.6U CN212571273U (en) | 2020-07-08 | 2020-07-08 | Button type lithium battery capable of being charged quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326195.6U CN212571273U (en) | 2020-07-08 | 2020-07-08 | Button type lithium battery capable of being charged quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571273U true CN212571273U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326195.6U Active CN212571273U (en) | 2020-07-08 | 2020-07-08 | Button type lithium battery capable of being charged quickly |
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| Country | Link |
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| CN (1) | CN212571273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871690A (en) * | 2021-09-29 | 2021-12-31 | 北京科易动力科技有限公司 | Battery unit, lithium battery and non-module battery pack structure |
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2020
- 2020-07-08 CN CN202021326195.6U patent/CN212571273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871690A (en) * | 2021-09-29 | 2021-12-31 | 北京科易动力科技有限公司 | Battery unit, lithium battery and non-module battery pack structure |
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