CN200947450Y - Aluminum casing cylindrical lithium ion cell - Google Patents
Aluminum casing cylindrical lithium ion cell Download PDFInfo
- Publication number
- CN200947450Y CN200947450Y CNU2006200272685U CN200620027268U CN200947450Y CN 200947450 Y CN200947450 Y CN 200947450Y CN U2006200272685 U CNU2006200272685 U CN U2006200272685U CN 200620027268 U CN200620027268 U CN 200620027268U CN 200947450 Y CN200947450 Y CN 200947450Y
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- CN
- China
- Prior art keywords
- negative
- plate
- material layer
- active material
- cathode
- 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
- 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 light weight high capacity aluminium shell cylindrical lithium-ion battery. The aluminium shell cylindrical lithium-ion battery of the utility model is characterized in that the middle between the anode piece and the cathode piece is provided with a dissepiment which is wound as a cylinder and arranged in the shell, the anode piece is an anode collection current body and the two ends are provided with a active material layer, the cathode piece is an cathode collection current body and the two ends are provided with a positive material layer, one end of the anode collection current body is bended as an anode ear, the anode ear is connected with a shell lid, the cathode ear is fixedly connected with the cathode piece, the cathode piece is connected with a cathode pole through the cathode ear, the shell is a aluminium shell. The utility model is especially suitable for small mobile devices.
Description
Technical field
The utility model relates to the battery product field, more particularly, relates to a kind of column lithium ion battery.
Background technology
Lithium ion battery is widely used in portable communication apparatus and portable electric appts, mainly comprise cylindrical in ion battery, rectangular lithium ion battery, polymer Li-ion battery.Wherein column lithium ion battery mainly is to use box hat, but box hat proportion is bigger, and weight ratio capacity is lower, causes to have deficiency in the use.
The utility model content
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, and high aluminum shell column shape lithium ion battery of a kind of weight ratio capacity and preparation method thereof is provided.
The utility model aluminum shell column shape lithium ion battery, be achieved by following technical proposals, comprise the positive plate that is arranged in the housing, negative plate, barrier film, electrolyte and cap, it is characterized in that, barrier film is set in the middle of described positive plate and the negative plate and forms the volume cylindricality and be arranged in the housing, described positive plate is provided with positive electrode active material layer for the plus plate current-collecting body both sides, described negative plate is provided with negative electrode active material layer for the negative current collector both sides, and described plus plate current-collecting body one end bending is anode ear, and anode ear is fixedlyed connected with cap; Negative electrode lug is fixedlyed connected with negative plate, and negative plate is connected with negative terminal by negative electrode lug; Described housing is an aluminum hull.
Positive electrode active material layer described in the utility model is made of lithium and cobalt oxides, conductive agent, adhesive.Described negative electrode active material layer is made of graphite, conductive agent, adhesive.
The utility model adopts aluminum hull not only to improve weight ratio capacity, and the low easily processing of cost, is particularly suitable for small type mobile devices.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model anode ear structural representation.
Embodiment
Below in conjunction with accompanying drawing utility model is described further.
As shown in Figure 1, barrier film 7 is set in the middle of positive plate and the negative plate and forms the volume cylindricality and be arranged in the housing 1, positive plate is that plus plate current-collecting body 9 both sides are provided with positive electrode active material layer 8, plus plate current-collecting body is generally aluminium foil, positive electrode active material layer is made of lithium and cobalt oxides, conductive agent, adhesive, and positive active material is generally the lithium-containing materials as reversible embeddings such as LiCoO2 or removal lithium embedded ion; Negative plate is that negative current collector 10 both sides are provided with negative electrode active material layer 11, negative electrode active material layer is made of graphite, conductive agent, adhesive, negative electrode active material is generally the carbon materials as reversible embeddings such as graphite, MCMB or removal lithium embedded ion, and negative current collector is generally Copper Foil; The bending of plus plate current-collecting body 9 one ends is anode ear 2 (as shown in Figure 2), and anode ear 2 is fixedlyed connected with cap 4; Negative electrode lug 6 is fixedlyed connected with negative plate, and negative plate is connected with negative terminal 5 by negative electrode lug 6; Housing is an aluminum hull.
The utility model preparation method is as follows:
(1) with lithium and cobalt oxides and conductive agent, adhesive mixes, and constitutes positive active material, is coated in the both sides of plus plate current-collecting body uniformly, after 80-150 ℃ of following drying, rolls, cuts out branch and obtain anode pole piece;
(2) negative material graphite and conductive agent, adhesive are mixed, constitute negative electrode active material, evenly be coated in the both sides of plus plate current-collecting body, after 80-150 ℃ of following drying, roll, cut out branch and obtain negative plate;
(3) the alternating floor membrane coil places between battery case and the battery cover around becoming cylindricality to put into the battery case anode ear together in the middle of positive plate, the negative plate;
(4) anode ear is formed by the plus plate current-collecting body bending, and negative electrode lug and negative plate weld together, and anode ear and cap weld together and constitute positive pole; Negative plate links together by negative electrode lug and negative terminal;
(5) after under 60-100 ℃ dry 8-20 hour, after injecting electrolyte, drying room seals.
Embodiment recited above is described the utility model preferred implementation; be not that design and scope to utility model limits; under the prerequisite that does not break away from the utility model design philosophy; common engineers and technicians make the technical scheme of utility model in this area various distortion and improvement all should belong to the protection range of utility model.
Claims (3)
1. aluminum shell column shape lithium ion battery, comprise the positive plate that is arranged in the housing, negative plate, barrier film, electrolyte and cap, it is characterized in that, described positive plate and negative plate centre are provided with barrier film and form the volume cylindricality and be arranged in the housing, and described positive plate is provided with positive electrode active material layer for the plus plate current-collecting body both sides, and described negative plate is provided with negative electrode active material layer for the negative current collector both sides, described plus plate current-collecting body one end bending is anode ear, and anode ear is fixedlyed connected with cap; Negative electrode lug is fixedlyed connected with negative plate, and negative plate is connected with negative terminal by negative electrode lug; Described housing is an aluminum hull.
2. aluminum shell column shape lithium ion battery according to claim 1 is characterized in that described positive electrode active material layer is made of lithium and cobalt oxides, conductive agent, adhesive.
3. aluminum shell column shape lithium ion battery according to claim 1 is characterized in that described negative electrode active material layer is made of graphite, conductive agent, adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200272685U CN200947450Y (en) | 2006-09-08 | 2006-09-08 | Aluminum casing cylindrical lithium ion cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200272685U CN200947450Y (en) | 2006-09-08 | 2006-09-08 | Aluminum casing cylindrical lithium ion cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200947450Y true CN200947450Y (en) | 2007-09-12 |
Family
ID=38734515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200272685U Expired - Fee Related CN200947450Y (en) | 2006-09-08 | 2006-09-08 | Aluminum casing cylindrical lithium ion cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200947450Y (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 |
| CN105449266A (en) * | 2015-11-18 | 2016-03-30 | 惠州市超聚科技有限公司 | Needle type battery |
-
2006
- 2006-09-08 CN CNU2006200272685U patent/CN200947450Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN105449266A (en) * | 2015-11-18 | 2016-03-30 | 惠州市超聚科技有限公司 | Needle type battery |
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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: 20070912 Termination date: 20120908 |