CN203134912U - Winding type lithium ion battery device - Google Patents
Winding type lithium ion battery device Download PDFInfo
- Publication number
- CN203134912U CN203134912U CN2013201135562U CN201320113556U CN203134912U CN 203134912 U CN203134912 U CN 203134912U CN 2013201135562 U CN2013201135562 U CN 2013201135562U CN 201320113556 U CN201320113556 U CN 201320113556U CN 203134912 U CN203134912 U CN 203134912U
- Authority
- CN
- China
- Prior art keywords
- winding
- battery
- plate
- lithium ion
- negative
- 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
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a winding type lithium ion battery device comprising a battery shell, a winding battery cell in the battery shell and an upper battery cover, wherein the winding battery cell comprises a positive electrode collector plate, a negative electrode collector plate and a winding structure; the winding structure comprises a repeating structure sequentially composed of a positive plate, a positive electrode current and heat conduction chip, a diaphragm, a negative electrode current and heat conduction chip and a negative plate; the positive electrode current and heat conduction chip stretches out of the winding structure and then is electrically connected with the lower surface of the positive collector plate, and the negative current and heat conduction chip stretches out of the winding structure and then is electrically connected with the lower surface of the negative collector plate. The winding type lithium ion battery device disclosed by the utility model not only solves the problem of non-uniform current distribution and reduces the internal resistance of a battery, but also effectively exhausts heat in a battery core to further improve the safety and electric performance of the battery.
Description
Technical field
The utility model belongs to the technical field of lithium battery, and more particularly the utility model relates to a kind of winding type Li ion cells unit.
Background technology
Present frequent generation along with climate warming and exceedingly odious weather, energy-saving and emission-reduction are active demands of current social development, various countries are under the policy of energy-saving and emission-reduction, all research relevant policies guide, each big auto producer is researched and developed unit in order to cater to public demand and the environmental regulation restriction of satisfying government with relevant automobile, various " green " new forms of energy concept car is come out one after another, to meet world trends.Wherein, electric automobile can be realized what zero discharge, zero was polluted, undoubtedly the main flow of following development of automobile in the representative.
Electrokinetic cell is the hybrid vehicle kernel component, the superior direct quality that influences vehicle performance of its performance.Lithium battery has that volume is little, specific energy is high, the life-span is long and advantage such as environment friendly and pollution-free, becomes the first-selection of electrokinetic cell.Wherein the winding type lithium battery electric core is strip positive plate and negative plate to be separated the back that is stacked together with barrier film form around volume with special-purpose core winding machine, conventional mode is to reserve a part of non-coating at an end of pole piece, lug is welded in this non-coating draws positive pole and negative pole, the defective that the electric core of this structure exists is: because battery is filling, electric current all will be concentrated from an end of lug during discharge derives or imports, cause on CURRENT DISTRIBUTION highly inhomogeneous, electrochemical polarization is very serious, the internal resistance of battery is big, fills at power, rapid heating phenomenon takes place under the situation of discharge.
The utility model content
In order to solve the above-mentioned technical problem that exists in the prior art, the purpose of this utility model is to provide a kind of winding type Li ion cells unit, and this Li ion cells unit internal resistance is little and have a good radiator structure.
In order to solve the problems of the technologies described above the realization the purpose of this utility model, the utility model has adopted following technical scheme:
Coiled lithium ion battery device described in the utility model, it comprises battery container, is positioned over coiling electricity core and cell cover in the battery container; The electric core of wherein said coiling comprises anode collection plate, negative pole currect collecting plate and winding-structure; And described winding-structure comprises the repetitive structure of being made up of positive plate, anodal water conservancy diversion conducting strip, barrier film, negative pole water conservancy diversion conducting strip and negative plate successively; And described anodal water conservancy diversion conducting strip stretches out the outside and described anode collection plate lower surface of winding-structure and electrically connects, and described negative pole water conservancy diversion conducting strip stretches out the outside and described negative pole currect collecting plate lower surface of winding-structure and electrically connects.
The utility model compared with prior art has following beneficial effect: anodal water conservancy diversion conducting strip being set respectively at the two ends of barrier film being connected with the negative pole currect collecting plate with the anode collection plate with negative pole water conservancy diversion conducting strip and via them around the electric core of volume in the Li ion cells unit of the present utility model, not only solve the problem of CURRENT DISTRIBUTION inequality, reduced the internal resistance of battery; And can also effectively derive the heat of electric in-core portion, and further improve fail safe and the chemical property of cell apparatus, prolonged the life-span of cell apparatus.
Description of drawings
Fig. 1 is the structural representation of winding type Li ion cells unit described in the utility model;
Fig. 2 is the structural representation of winding-structure described in the utility model.
Embodiment
Shown in Fig. 1-2, the described coiled lithium ion battery device of this embodiment, it comprises battery container 10, is positioned over coiling electricity core and cell cover 50 in the battery container 10; The electric core of wherein said coiling comprises anode collection plate 40, negative pole currect collecting plate 20 and winding-structure 30; And described winding-structure 30 comprises the repetitive structure of being made up of positive plate 31, anodal water conservancy diversion conducting strip 34, barrier film 32, negative pole water conservancy diversion conducting strip 35 and negative plate 33 successively; And described anodal water conservancy diversion conducting strip 34 stretches out winding-structure 30 outside and described anode collection plate 40 lower surfaces and electrically connects, and described negative pole water conservancy diversion conducting strip 35 stretches out outside and described negative pole currect collecting plate 20 lower surfaces of winding-structure and electrically connects.Be provided with insulated enclosure circle 60 between described anode collection plate 40 and the described battery container.Anodal water conservancy diversion conducting strip being set respectively at the two ends of barrier film being connected with the negative pole currect collecting plate with the anode collection plate with negative pole water conservancy diversion conducting strip and via them around the electric core of volume in the Li ion cells unit of the present utility model, not only solve the problem of CURRENT DISTRIBUTION inequality, reduced the internal resistance of battery; And can also effectively derive the heat of electric in-core portion, and further improve fail safe and the chemical property of cell apparatus, prolonged the life-span of cell apparatus.
Though the embodiment part elaborates the technical solution of the utility model by embodiment, but those of ordinary skill in the art is to be understood that and can breaking away from the utility model scope of disclosure, can adopt to be equal to and replace or the enforcement of equivalent transformation form.Therefore, protection range of the present utility model is not limited to the specific embodiment of embodiment part, and the execution mode of short of disengaging utility model essence all has been interpreted as dropping within the protection range of the utility model requirement.
Claims (2)
1. coiled lithium ion battery device, it comprises battery container, is positioned over coiling electricity core and cell cover in the battery container; It is characterized in that: the electric core of described coiling comprises anode collection plate, negative pole currect collecting plate and winding-structure; And described winding-structure comprises the repetitive structure of being made up of positive plate, anodal water conservancy diversion conducting strip, barrier film, negative pole water conservancy diversion conducting strip and negative plate successively; And described anodal water conservancy diversion conducting strip stretches out the outside and described anode collection plate lower surface of winding-structure and electrically connects, and described negative pole water conservancy diversion conducting strip stretches out the outside and described negative pole currect collecting plate lower surface of winding-structure and electrically connects.
2. coiled lithium ion battery device according to claim 1 is characterized in that: be provided with the insulated enclosure circle between described anode collection plate and the described battery container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201135562U CN203134912U (en) | 2013-03-13 | 2013-03-13 | Winding type lithium ion battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201135562U CN203134912U (en) | 2013-03-13 | 2013-03-13 | Winding type lithium ion battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134912U true CN203134912U (en) | 2013-08-14 |
Family
ID=48942857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201135562U Expired - Fee Related CN203134912U (en) | 2013-03-13 | 2013-03-13 | Winding type lithium ion battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134912U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528101A (en) * | 2016-06-20 | 2017-12-29 | 万向二三股份公司 | A kind of power lithium-ion battery and its assembly method with radiator structure |
| CN110661047A (en) * | 2019-10-08 | 2020-01-07 | 上海华氪企业管理有限公司 | Multifunctional energy storage battery with GPS positioning function |
| CN112563555A (en) * | 2020-12-24 | 2021-03-26 | 常德中科多源电力融合技术研究院 | Battery winding needle and large-capacity square metal shell lithium ion battery |
-
2013
- 2013-03-13 CN CN2013201135562U patent/CN203134912U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528101A (en) * | 2016-06-20 | 2017-12-29 | 万向二三股份公司 | A kind of power lithium-ion battery and its assembly method with radiator structure |
| CN110661047A (en) * | 2019-10-08 | 2020-01-07 | 上海华氪企业管理有限公司 | Multifunctional energy storage battery with GPS positioning function |
| CN112563555A (en) * | 2020-12-24 | 2021-03-26 | 常德中科多源电力融合技术研究院 | Battery winding needle and large-capacity square metal shell lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202308155U (en) | High-security capacitor battery | |
| CN102881951A (en) | Capacitor battery with high safety | |
| CN202749463U (en) | Cylindrical lithium ion battery with high thermal diffusivity | |
| CN203134912U (en) | Winding type lithium ion battery device | |
| CN102881944A (en) | Flexibly packaged lithium ion power battery | |
| CN202275893U (en) | Lithium ion battery | |
| CN205388994U (en) | Cylinder power lithium ion battery | |
| CN202957152U (en) | Mixed type super capacitor bank | |
| CN207909939U (en) | A kind of new structural aluminum hull battery core | |
| CN207587901U (en) | A kind of high-power laminated lithium ion battery | |
| CN103427111B (en) | A kind of lithium-ion energy storage battery and manufacture method thereof | |
| CN202917600U (en) | Aluminum-plastic packed high-power lithium ion battery | |
| CN111540616B (en) | Light enhancement effect transparent super capacitor and preparation method thereof | |
| CN102916159B (en) | High-power lithium battery | |
| CN202178338U (en) | Lithium ion battery with bidirectional current collector | |
| CN201352581Y (en) | Coiled primary lithium battery | |
| CN204651393U (en) | A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof | |
| CN203039033U (en) | Power-type lithium-ion battery | |
| CN102810699B (en) | Integrated automotive lithium-ion power battery and making method thereof | |
| CN202905861U (en) | High power lithium battery | |
| CN202585616U (en) | Lithium ion battery and pole piece structure thereof | |
| CN202275884U (en) | Square laminated flexible-packaging lithium ion battery | |
| CN206059514U (en) | A kind of cuprio lithium piece negative pole poly-lithium battery | |
| CN101656485A (en) | Double PWM inverter with energy capable of bidirectionally flowing | |
| CN201616479U (en) | Multi-electrode lug lithium ion battery |
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 |
Granted publication date: 20130814 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |