CN203386843U - High-magnification lithium ion battery structure - Google Patents
High-magnification lithium ion battery structure Download PDFInfo
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- CN203386843U CN203386843U CN201320422859.2U CN201320422859U CN203386843U CN 203386843 U CN203386843 U CN 203386843U CN 201320422859 U CN201320422859 U CN 201320422859U CN 203386843 U CN203386843 U CN 203386843U
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- Prior art keywords
- lithium ion
- ion battery
- clear area
- negative
- anodal
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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 technical field of lithium ion battery production, and in particular relates to a high-magnification lithium ion battery structure. The high-magnification lithium ion battery structure provided by the utility model comprises a roll core which is formed by laminating and rolling a positive plate, a first diaphragm, a negative plate and a second diaphragm in sequence, wherein the positive plate comprises a positive coating area for forming a positive coating and a positive blank area on the periphery of the positive coating area; the negative plate comprises a negative coating area for forming a negative coating and a negative blank area on the periphery of the negative coating area; tabs for leading current out are respectively arranged in the positive blank area and the negative blank area. According to the high-magnification lithium ion battery structure, the tabs are in contact with external circuits, so that the contact area between the positive plate and the external circuits as well as between the negative plate and the external circuits is increased, the current is transmitted rapidly, and the aim of improving the magnification of lithium ion batteries is fulfilled. Meanwhile, due to a rolling structure, the production efficiency of the lithium ion battery can be improved.
Description
Technical field
The utility model belongs to the lithium ion battery production technical field, relates in particular to the high multiplying power lithium ion battery structure.
Background technology
Lithium ion battery is through development in recent years, and its various aspects of performance all has increased significantly.As a rule, lithium ion battery comprises the volume core by positive plate, negative plate and barrier film making.In the production process of lithium ion battery coil core, due to winding method, to have production efficiency high, the easy advantage such as operation, and adopting at present the winding method assembling to roll up core is most widely used assembling mode.
But for the lithium ion battery that needs high-multiplying power discharge, high capacity lithium ion battery particularly, the lithium ion battery of winding-structure is drawn by the lug that invests an end drawing usually of electric current, has so just limited passing through of large electric current, has limited the raising of lithium ion battery multiplying power.
The utility model content
Technical problem to be solved in the utility model is to provide the high multiplying power lithium ion battery structure, is intended to improve the speed of positive and negative electrode coating charging and discharging, thereby improves the multiplying power of lithium ion battery.
The high multiplying power lithium ion battery structure that the utility model provides is achieved in that
The high multiplying power lithium ion battery structure, comprise the volume core that stacks successively and reel and form by positive plate, the first barrier film, negative plate and the second barrier film, described positive plate comprises the anodal coated areas for anodal coating is set and is arranged at the anodal clear area of described anodal coated areas periphery, described negative plate comprises the negative pole coated areas for the negative pole coating is set and is arranged at the negative pole clear area of described negative pole coated areas periphery, on described anodal clear area and described negative pole clear area, is respectively arranged with the lug for extracted current.
Particularly, the projection of anodal coating on described negative plate on described positive plate is positioned at described negative pole coating fully.
Particularly, described anodal clear area is arranged at respectively with described negative pole clear area the both sides that described volume core is relative.
Particularly, described lug comprises that the connecting portion be arranged on described anodal clear area or negative pole clear area reaches by described connecting portion to the extended suspending part in the described volume core outside.
Particularly, described lug is T-shaped.
Particularly, described positive plate, described the first barrier film, described negative plate and described the second barrier film are rectangle.
Particularly, described anodal clear area and/or described negative pole clear area are strip.
The beneficial effects of the utility model are: the high multiplying power lithium ion battery structure that the utility model provides arranges described positive and negative clear area by the positive and negative electrode coating periphery on described positive and negative plate, respectively at described positive and negative clear area, lug is set simultaneously, utilize described lug to contact with external circuitry, strengthen the contact area of described positive and negative plate and external circuitry, realize the fast transport of electric current, arrived the purpose that improves the lithium ion battery multiplying power.Simultaneously, the utility model adopts winding-structure, is conducive to improve the production efficiency of whole lithium ion battery.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one preferred embodiment positive plate;
Fig. 2 is the structural representation of the utility model one preferred embodiment negative plate;
Fig. 3 is the structural representation that the utility model one preferred embodiment positive plate, the first barrier film, negative plate and the second barrier film stack successively;
Fig. 4 is the structural representation of the utility model one preferred embodiment.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1-Fig. 4, the high multiplying power lithium ion battery structure, comprise by positive plate 1, the first barrier film 2, the volume core 10 that negative plate 3 and the second barrier film 4 stack successively and reel and form, described positive plate 1 comprises the anodal coated areas 11 for anodal coating is set and is arranged at the anodal clear area 12 of described anodal coated areas 11 peripheries, described negative plate 3 comprises for the negative pole coated areas 32 of negative pole coating is set, and be arranged at the negative pole clear area 31 of described negative pole coated areas 32 peripheries, be respectively arranged with the lug 5 for extracted current on described anodal clear area 12 and described negative pole clear area 31.Like this, described positive plate 1 can adopt aluminium foil and the positive electrode that is coated with on the described aluminium foil of r is made, and the negative material that described negative plate 3 can adopt Copper Foil and painting to be located on described Copper Foil is made.The high multiplying power lithium ion battery structure that the utility model provides arranges described positive and negative clear area by the positive and negative electrode coating periphery on described positive and negative plate, respectively at described positive and negative clear area, lug is set simultaneously, utilize described lug to contact with external circuitry, strengthen the contact area of described positive and negative plate and external circuitry, realize the fast transport of electric current, arrived the purpose that improves the lithium ion battery multiplying power.Simultaneously, the utility model adopts winding-structure, is conducive to improve the production efficiency of whole lithium ion battery
In the present embodiment, preferred, the projection of the anodal coating on described positive plate 1 on described negative plate 3 is positioned at described negative pole coating fully, is conducive to like this improve the utilance of described positive and negative electrode coating.
In the present embodiment, described anodal clear area 12 is arranged at respectively with described negative pole clear area 31 both sides that described volume core 10 is relative, can be convenient to like this layout of described lug 5 on whole lithium ion battery.
In the present embodiment, described lug 5 comprises that the connecting portion 51 be arranged on described anodal clear area 12 or negative pole clear area 31 reaches by described connecting portion 51 to the described volume core 10 extended suspending parts 52 in the outside.Like this, can utilize described suspending part 52 to realize being connected of lithium ion battery and external circuitry, design structurally is more succinct, and easy to operate.More specifically, described lug 5 is T-shaped, and described suspending part 52 is by described connecting portion 51 central authorities and extend perpendicular to described connecting portion 51.
Preferably, described positive plate 1, described the first barrier film 2, described negative plate 3 and described the second barrier film 4 are rectangle.
Further preferably, described anodal clear area 12 and/or described negative pole clear area 31 are strip.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. high multiplying power lithium ion battery structure, comprise the volume core that stacks successively and reel and form by positive plate, the first barrier film, negative plate and the second barrier film, it is characterized in that: described positive plate comprises the anodal coated areas for anodal coating is set and is arranged at the anodal clear area of described anodal coated areas periphery, described negative plate comprises the negative pole coated areas for the negative pole coating is set and is arranged at the negative pole clear area of described negative pole coated areas periphery, on described anodal clear area and described negative pole clear area, is respectively arranged with the lug for extracted current.
2. high multiplying power lithium ion battery structure according to claim 1, it is characterized in that: the projection of anodal coating on described negative plate on described positive plate is positioned at described negative pole coating fully.
3. high multiplying power lithium ion battery structure according to claim 1, it is characterized in that: described anodal clear area is arranged at respectively with described negative pole clear area the both sides that described volume core is relative.
4. high multiplying power lithium ion battery structure according to claim 1 is characterized in that: described lug comprise the connecting portion that is arranged on described anodal clear area or negative pole clear area and by described connecting portion to the extended suspending part in the described volume core outside.
5. high multiplying power lithium ion battery structure according to claim 4, it is characterized in that: described lug is T-shaped.
6. high multiplying power lithium ion battery structure according to claim 1, it is characterized in that: described positive plate, described the first barrier film, described negative plate and described the second barrier film are rectangle.
7. high multiplying power lithium ion battery structure according to claim 6, it is characterized in that: described anodal clear area and/or described negative pole clear area are strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422859.2U CN203386843U (en) | 2013-07-09 | 2013-07-09 | High-magnification lithium ion battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422859.2U CN203386843U (en) | 2013-07-09 | 2013-07-09 | High-magnification lithium ion battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386843U true CN203386843U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320422859.2U Expired - Fee Related CN203386843U (en) | 2013-07-09 | 2013-07-09 | High-magnification lithium ion battery structure |
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| CN (1) | CN203386843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654167A (en) * | 2016-12-06 | 2017-05-10 | 惠州亿纬锂能股份有限公司 | Novel battery pole piece and novel structure battery |
-
2013
- 2013-07-09 CN CN201320422859.2U patent/CN203386843U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654167A (en) * | 2016-12-06 | 2017-05-10 | 惠州亿纬锂能股份有限公司 | Novel battery pole piece and novel structure battery |
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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: 20140108 Termination date: 20180709 |