CN201956416U - Positive pole piece of lithium ion battery - Google Patents
Positive pole piece of lithium ion battery Download PDFInfo
- Publication number
- CN201956416U CN201956416U CN2010206637010U CN201020663701U CN201956416U CN 201956416 U CN201956416 U CN 201956416U CN 2010206637010 U CN2010206637010 U CN 2010206637010U CN 201020663701 U CN201020663701 U CN 201020663701U CN 201956416 U CN201956416 U CN 201956416U
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- CN
- China
- Prior art keywords
- positive
- positive plate
- lithium ion
- pole piece
- ion battery
- 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
Abstract
The utility model belongs to the field of small Bluetooth PLIBs (Polymer Lithium Ion Batteries), and particularly relates to a positive pole piece of a lithium ion battery, which is suitable for automatic machine reeling. A positive tab is welded at one end of a positive plate, and a protective adhesive tape is pasted on the positive tab. The positive pole piece is characterized in that a blank aluminum foil is arranged at the other end of the positive plate. The utility model has the benefits that as a section of blank aluminum foil is additionally arranged at one end of the positive plate, the end of the positive plate with the blank aluminum foil can serve as a fixing end for the positive plate during automatic reeling, so as to facilitate automatic reeling of a pole group; and the thickness increase of the reeled pole group can be ignored, the internal resistance of the battery is reduced, and the electrical property is better.
Description
Technical field
The utility model belongs to little bluetooth polymer Li-ion battery field, relates in particular to a kind of anode slice of lithium ion battery that is applicable to the machine auto reeling.
Background technology
That polymer/flexible packing lithium ion battery has is in light weight, fail safe good, shaped design polytropy, energy density height, voltage platform advantages of higher, has been applied in more and more on the various novel electron products.For the less lithium ion battery of volume, the lug spacing is little, pole piece and utmost point packet size are little, all adopt the home built mode to produce at present, owing to parameters such as feasible lithium ion cell polar ear spacing of producing of artificial reason and coiling centralizer are uneven, cause the both positive and negative polarity cross pollution, make the self-discharge of battery rate increase, battery working time shortens.Along with market is increasing to the demand of bluetooth battery, and human cost is also more and more higher, therefore, adopt the automatic manufacture craft of machine to manufacture the little polymer battery of bluetooth and become polymer battery manufacturing field inexorable trend, yet, because baby battery utmost point group width is little, lug is in the characteristics of existing little polymer battery self structure such as the utmost point group outside, when positive/negative plate begins auto reeling, two volume pins clamp the single face coated end of negative plate respectively successively from both direction up and down up and down, barrier film, positive plate forms the volume core, because positive/negative plate does not have common leading-in end, the positive/negative plate volume core that forms of reeling simultaneously is thicker, the internal resistance of battery increases, and the electrical property of battery decreases.
The utility model content
The purpose of this utility model is to overcome the structural deficiency of above-mentioned realization auto reeling, and a kind of back utmost point group thickness of reeling of can ignoring is provided, and increases the anode slice of lithium ion battery of battery electrical property.
The utility model for achieving the above object; by the following technical solutions: a kind of anode slice of lithium ion battery; be welded with positive pole ear at positive plate one end, be pasted with protective tapes on the described anode ear, it is characterized in that: be provided with one section blank aluminium foil at the positive plate other end.
Beneficial effect: increase by one section blank aluminium foil at positive plate one end, make it to become the initial secured end of positive plate, form utmost point group minimal structure unit, be convenient to realize the auto reeling of utmost point group; Utmost point group thickness increase behind the coiling can be ignored, and the internal resistance of cell reduces, and electrical property increases.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of battery utmost point group auto reeling section start;
Fig. 4 is the structural representation at utmost point group volume core place after reeling.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.A kind of anode slice of lithium ion battery is welded with positive pole ear 2 at positive plate 1 one ends, is pasted with protective tapes 3 on the described positive pole ear, is provided with blank aluminium foil 4 at the positive plate other end, and length can be 3mm-10mm.Operation principle: anode pole piece, cathode pole piece and barrier film coiled strip are placed into the position that up-coiler is set.Barrier film is tape transport from top to bottom, and the below is 100gf with manipulator stretching location barrier film and adjustment of tonicity.When the beginning auto reeling, two volume pins clamp single face coated end, the barrier film of negative plate, the blank AL-foil of positive plate successively from both direction up and down respectively up and down, thereby form the volume core, begin auto reeling immediately, be minimum winder unit auto reeling with positive pole-barrier film-negative pole-barrier film then, finish obtaining utmost point group until coiling.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. an anode slice of lithium ion battery is welded with anode ear at positive plate one end, is pasted with protective tapes on the described anode ear, it is characterized in that: be provided with blank aluminium foil at the positive plate other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206637010U CN201956416U (en) | 2010-12-16 | 2010-12-16 | Positive pole piece of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206637010U CN201956416U (en) | 2010-12-16 | 2010-12-16 | Positive pole piece of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956416U true CN201956416U (en) | 2011-08-31 |
Family
ID=44500518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206637010U Expired - Fee Related CN201956416U (en) | 2010-12-16 | 2010-12-16 | Positive pole piece of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956416U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299239A (en) * | 2015-05-13 | 2017-01-04 | 深圳市博亿能科技有限公司 | A kind of battery pole piece and ultra-thin flexible-packed battery |
| CN108463906A (en) * | 2016-02-29 | 2018-08-28 | 松下知识产权经营株式会社 | Non-aqueous electrolyte secondary battery |
| CN109935773A (en) * | 2018-12-30 | 2019-06-25 | 万向一二三股份公司 | Lithium ion laminated battery |
| CN111490219A (en) * | 2020-03-11 | 2020-08-04 | 安徽潜川动力锂电科技有限公司 | Cylindrical lithium ion battery roll core structure |
-
2010
- 2010-12-16 CN CN2010206637010U patent/CN201956416U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299239A (en) * | 2015-05-13 | 2017-01-04 | 深圳市博亿能科技有限公司 | A kind of battery pole piece and ultra-thin flexible-packed battery |
| CN108463906A (en) * | 2016-02-29 | 2018-08-28 | 松下知识产权经营株式会社 | Non-aqueous electrolyte secondary battery |
| CN109935773A (en) * | 2018-12-30 | 2019-06-25 | 万向一二三股份公司 | Lithium ion laminated battery |
| CN111490219A (en) * | 2020-03-11 | 2020-08-04 | 安徽潜川动力锂电科技有限公司 | Cylindrical lithium ion battery roll core structure |
| CN111490219B (en) * | 2020-03-11 | 2022-10-04 | 安徽潜川动力锂电科技有限公司 | Cylindrical lithium ion battery roll core structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20111216 |