CN202231109U - Novel cylinder lithium ion battery - Google Patents
Novel cylinder lithium ion battery Download PDFInfo
- Publication number
- CN202231109U CN202231109U CN2011203323285U CN201120332328U CN202231109U CN 202231109 U CN202231109 U CN 202231109U CN 2011203323285 U CN2011203323285 U CN 2011203323285U CN 201120332328 U CN201120332328 U CN 201120332328U CN 202231109 U CN202231109 U CN 202231109U
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- CN
- China
- Prior art keywords
- negative
- positive
- positive pole
- sheet
- lithium ion
- 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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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a novel cylinder lithium ion battery, which comprises a casing, a positive polar lug, a negative polar lug, a positive pole sheet and a negative pole sheet, wherein the positive pole sheet and the negative pole sheet are arranged in the casing. A diaphragm is arranged between the positive pole sheet and the negative pole sheet and is rolled together to form a cylinder to be arranged in the casing. The positive pole sheet is composed of a positive pole current collector and positive pole active layers which contain nano ceramic particles and are arranged on two surfaces of the positive pole current collector. The negative pole sheet is composed of a negative pole current collector and a negative pole active layer arranged on two surfaces of the negative pole current collector. The positive polar lug is formed by folding one edge of the positive pole current collector. The negative polar lug is welded to the negative pole sheet, and the negative pole sheet is connected with a negative pole column through the negative polar lug. The positive pole active layer is formed by mixing a positive pole active material, an electric conduction agent, an adhesive agent and the nano ceramic particles evenly, can improve ion diffusivity effects on the surface of the positive pole active material, forms a positive pole thin film with good ion diffusivity, and improves energy density of the lithium ion battery.
Description
Technical field
The utility model belongs to technical field of electronic components, relates to a kind of novel column lithium ion battery.
Background technology
At present, lithium ion battery is set at such as many electronic equipment internal such as mobile phone, notebook computers owing to having high-energy-density.Along with the energy consumption and the high functionality of these electronic equipments continues to increase pro rata, the energy density that further improves lithium ion battery also becomes an important research project.In the lithium ion battery that improves energy density; Lithium ion is abundant inadequately in the diffusion of positive pole; Therefore press for the measure that improves the lithium ion diffusion, take to increase the method for active material layer thickness usually, but reduced the length and the area of electrode; Cause the diffusion of lithium in anodal surface can't catch up with the increase of charging density and make near the anodal oxidized decomposition of electrolyte solution, and then increased film in the lip-deep growth of positive pole.Be formed on the increase that anodal lip-deep film causes the charge transfer resistance of battery, be difficult to make the anode active material layer thickening.So suppress anodal growth of going up anode thin film, improve the energy density of lithium ion battery, be a problem that presses for solution.
The utility model content
The utility model technical problem to be solved provides a kind of ability and suppresses anodal growth of going up anode thin film, improves the novel column lithium ion battery of the energy density of lithium ion battery.
The technical solution of utility model is following:
A kind of novel column lithium ion battery comprises housing, anode ear, negative electrode lug and is positioned at the positive plate and the negative plate of housing; Said positive plate is with negative plate interval one deck barrier film and be wound on and become cylindricality to place housing together; Said positive plate is made up of positive electrode collector and the anodal active layer that contains nano-ceramic particle that is positioned at two surfaces of positive electrode collector; Said negative plate is made up of negative electrode collector and the negative electrode active layer that is positioned at two surfaces of negative electrode collector; Anode ear is bent on one side by positive electrode collector and forms; Said negative electrode lug and negative plate weld together, and negative plate links together through negative electrode lug and negative terminal.
Anode ear places between the housing and cap of battery, welds together with cap.
Said anodal active layer is by positive electrode active materials, conductive agent, and adhesive and nano-ceramic particle are uniformly mixed to form; Said anode active material layer is uniformly mixed to form by negative active core-shell material, adhesive and nano-ceramic particle, is prior art.
Beneficial effect:
The utility model column lithium ion battery comprises nano-ceramic particle in the anodal active layer, can improve the effect of improving ions diffusion property on the surface of positive electrode active material, forms the excellent anode thin film of ions diffusion property, improves the energy density of lithium ion battery.
Below in conjunction with accompanying drawing the utility model is done further to describe in detail.
Description of drawings
Fig. 1 is the utility model column lithium ion battery sketch map.
1 is negative terminal among the figure, and 2 is negative electrode lug, and 3 is barrier film, and 4 is anodal active layer, and 5 is positive electrode collector, and 6 is the negative electrode active layer, and 7 is negative electrode collector, and 8 is housing, and 9 is anode ear, and 10 is cap.
Embodiment
Below will combine accompanying drawing and specific embodiment that the utility model is explained further details:
As shown in Figure 1, a kind of novel column lithium ion battery comprises housing, anode ear, negative electrode lug and is positioned at the positive plate and the negative plate of housing; Said positive plate is with negative plate interval one deck barrier film and be wound on and become cylindricality to place housing together; Said positive plate is made up of positive electrode collector and the anodal active layer that contains nano-ceramic particle that is positioned at two surfaces of positive electrode collector; Said negative plate is made up of negative electrode collector and the negative electrode active layer that is positioned at two surfaces of negative electrode collector; Anode ear is bent on one side by positive electrode collector and forms; Said negative electrode lug and negative plate weld together, and negative plate links together through negative electrode lug and negative terminal.
Anode ear places between the housing and cap of battery, welds together with cap.
Film thickness to be formed has only several nanometers on surface of positive electrode active material by the decomposition of electrolyte solution; Comprise nano-ceramic particle in the anodal active layer; Can improve the effect of improving ions diffusion property on the surface of positive electrode active material, form the excellent anode thin film of ions diffusion property.
Claims (2)
1. a novel column lithium ion battery is characterized in that, comprises housing, anode ear, negative electrode lug and is positioned at the positive plate and the negative plate of housing; Said positive plate is with negative plate interval one deck barrier film and be wound on and become cylindricality to place housing together; Said positive plate is made up of positive electrode collector and the anodal active layer that contains nano-ceramic particle that is positioned at two surfaces of positive electrode collector; Said negative plate is made up of negative electrode collector and the negative electrode active layer that is positioned at two surfaces of negative electrode collector; Anode ear is bent on one side by positive electrode collector and forms; Said negative electrode lug and negative plate weld together, and negative plate links together through negative electrode lug and negative terminal.
2. novel column lithium ion battery according to claim 1 is characterized in that, anode ear places between the housing and cap of battery, welds together with cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203323285U CN202231109U (en) | 2011-09-05 | 2011-09-05 | Novel cylinder lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203323285U CN202231109U (en) | 2011-09-05 | 2011-09-05 | Novel cylinder lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231109U true CN202231109U (en) | 2012-05-23 |
Family
ID=46081686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203323285U Expired - Fee Related CN202231109U (en) | 2011-09-05 | 2011-09-05 | Novel cylinder lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137343A (en) * | 2012-12-29 | 2013-06-05 | 惠州亿纬锂能股份有限公司 | Cylinder battery capacitor |
| CN108963173A (en) * | 2017-05-26 | 2018-12-07 | 宁德新能源科技有限公司 | Conducting resinl element, conductive tape, pole piece, battery core and lithium ion battery |
-
2011
- 2011-09-05 CN CN2011203323285U patent/CN202231109U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137343A (en) * | 2012-12-29 | 2013-06-05 | 惠州亿纬锂能股份有限公司 | Cylinder battery capacitor |
| CN103137343B (en) * | 2012-12-29 | 2015-11-18 | 惠州亿纬锂能股份有限公司 | A kind of cylinder battery capacitor |
| CN108963173A (en) * | 2017-05-26 | 2018-12-07 | 宁德新能源科技有限公司 | Conducting resinl element, conductive tape, pole piece, battery core and lithium ion battery |
| CN108963173B (en) * | 2017-05-26 | 2021-08-27 | 宁德新能源科技有限公司 | Conductive adhesive element, conductive adhesive tape, pole piece, battery cell and lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FENGHUANG NEW ENERGY (HUIZHOU) CO., LTD. Free format text: FORMER NAME: HUIZHOU HANPAI BATTERY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 516211 Guangdong District of Huiyang city in Huizhou province long autumn street gurabardha Tang Jing group ZILONG Industrial Park Patentee after: Fenghuang New Energy (Huizhou) Co., Ltd. Address before: 516211 Guangdong District of Huiyang city in Huizhou province long autumn street gurabardha Tang Jing group ZILONG Industrial Park Patentee before: HUIZHOU HANDPACK BATTERY TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20160905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |