CN204793089U - High magnification lithium ion battery's novel roll of core structure - Google Patents
High magnification lithium ion battery's novel roll of core structure Download PDFInfo
- Publication number
- CN204793089U CN204793089U CN201520496360.5U CN201520496360U CN204793089U CN 204793089 U CN204793089 U CN 204793089U CN 201520496360 U CN201520496360 U CN 201520496360U CN 204793089 U CN204793089 U CN 204793089U
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- CN
- China
- Prior art keywords
- lug
- pole piece
- utmost point
- point ear
- ion battery
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- 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
-
- 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
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- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a high magnification lithium ion battery's novel roll of core structure, extremely the pole piece and the diaphragm of ear form around rolling up by the area to roll up the core, the structure of pole piece does: multi -disc utmost point ear (2) sets up the last side department at pole piece (1), and utmost point ear links to each other with the substrate layer of pole piece, along vertical direction of pole piece, the interval of adjacent utmost point ear is crescent, when the pole piece around rolling up when accomplishing range upon range of being in the same place of multi -disc utmost point ear, the butt joint forms with utmost point ear hypomere (3) by utmost point ear upper segment on the utmost point ear, utmost point ear upper segment is square, and utmost point ear upper segment is equipped with a plurality of round holes (4), a plurality of round holes are the multiseriate array of multirow and arrange, utmost point ear hypomere is greater than top width for the bottom width, and the edge line of both sides is the pitch arc. One side or the both sides of utmost point ear are equipped with and help the layer. The diameter of round hole equals that the diameter of round hole is 0.5 -0.9mm. This high magnification lithium ion battery's novel roll of core structure has the characteristics that the structure is ingenious, and utmost point ear easily welding is in the same place, and the reliability is high.
Description
Technical field
The utility model relates to a kind of novel core structure of high multiplying power lithium ion battery.
Background technology
Existing polymer Li-ion battery, its battery core together with negative plate coiling, pole piece has multiple anode ear and negative electrode lug by positive plate, barrier film, anode ears all after coiling welds together, all negative pole lug weldings together, but, during welding, easily cause solder joint out-of-flatness, affect the overall performance of battery, and, lug is easily torn from root, affect the reliability and stability of battery, therefore, be necessary the novel core structure designing a kind of high multiplying power lithium ion battery.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel core structure of high multiplying power lithium ion battery, and the novel core structure of this high multiplying power lithium ion battery has structure feature cleverly, and lug is easy to weld together, and good stability.
The technical solution of utility model is as follows:
A novel core structure for high multiplying power lithium ion battery, core is formed by the pole piece with lug and barrier film coiling; Pole piece comprises positive plate and negative plate;
The structure of pole piece (pole piece is here positive plate or negative plate, and positive plate is connected with anode ear, and negative plate is connected with negative electrode lug) is:
Multi-disc lug (2) is arranged on the upper side edge place of pole piece (1), and lug is connected with the substrate layer of pole piece;
Along the longitudinal direction of pole piece, the spacing of adjacent lug increases gradually, and when pole piece coiling completes, multi-disc lug is stacked together;
Lug is docked by lug epimere and lug hypomere (3) and forms; Lug epimere is square, and lug epimere is provided with multiple circular hole (4); Multiple circular hole is the array layout of multiple lines and multiple rows;
Lug hypomere is that bottom width is greater than top width, and the edge line of both sides is camber line.
The one or both sides of lug are provided with and help layer.
The equal diameters of circular hole, the diameter of circular hole is 0.5-0.9mm.
As preferably, the diameter of circular hole is 0.6mm.
Lug is connected with the substrate layer of pole piece, and it is an entirety that here connected refers to originally, and both metal materials, conducts during use.
Beneficial effect:
The novel core structure of high multiplying power lithium ion battery of the present utility model, arranges multiple circular hole (being conducive to for scolding tin water conservancy diversion) at lug epimere, helps the use of layer in addition, be convenient to Multilayer pole ear and weld together, avoid the loose contact that rosin joint causes.In addition, lug hypomere has the transition of arc line shaped, and tension force is large, and anti-pull performance is good, effectively can improve the fastness of lug, and therefore, this core simple and ingenious structure, is easy to promotion and implementation.
Accompanying drawing explanation
Fig. 1 is the structural representation of pole piece and lug in the novel core structure of high multiplying power lithium ion battery of the present utility model.
Fig. 2 is the general structure schematic diagram of core.
Label declaration: 1-pole piece, 2-lug, 3-lug hypomere, 4-circular hole.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
As shown in Figure 1-2, a kind of novel core structure of high multiplying power lithium ion battery, core is formed by the pole piece with lug and barrier film coiling; Pole piece comprises positive plate and negative plate;
The structure of pole piece (pole piece is here positive plate or negative plate, and positive plate is connected with anode ear, and negative plate is connected with negative electrode lug) is:
Multi-disc lug (2) is arranged on the upper side edge place of pole piece (1), and lug is connected with the substrate layer of pole piece;
Along the longitudinal direction of pole piece, the spacing of adjacent lug increases gradually, and when pole piece coiling completes, multi-disc lug is stacked together;
Lug is docked by lug epimere and lug hypomere (3) and forms; Lug epimere is square, and lug epimere is provided with multiple circular hole (4); Multiple circular hole is the array layout of multiple lines and multiple rows;
Lug hypomere is that bottom width is greater than top width, and the edge line of both sides is camber line.
The one or both sides of lug are provided with and help layer.
As preferably, the diameter of circular hole is 0.6mm.
Fig. 2 is simple schematic diagram, and be intended to the monnolithic case after showing coiling, the circular hole thus on not shown lug and lug hypomere, illustrate hereby.
Claims (4)
1. a novel core structure for high multiplying power lithium ion battery, is characterized in that, core is formed by the pole piece with lug and barrier film coiling; Pole piece comprises positive plate and negative plate;
The structure of pole piece is:
Multi-disc lug (2) is arranged on the upper side edge place of pole piece (1), and lug is connected with the substrate layer of pole piece;
Along the longitudinal direction of pole piece, the spacing of adjacent lug increases gradually, and when pole piece coiling completes, multi-disc lug is stacked together;
Lug is docked by lug epimere and lug hypomere (3) and forms; Lug epimere is square, and lug epimere is provided with multiple circular hole (4); Multiple circular hole is the array layout of multiple lines and multiple rows;
Lug hypomere is that bottom width is greater than top width, and the edge line of both sides is camber line.
2. the novel core structure of high multiplying power lithium ion battery according to claim 1, it is characterized in that, the one or both sides of lug are provided with and help layer.
3. the novel core structure of high multiplying power lithium ion battery according to claim 1 and 2, is characterized in that, the equal diameters of circular hole, and the diameter of circular hole is 0.5-0.9mm.
4. the novel core structure of high multiplying power lithium ion battery according to claim 3, is characterized in that, the diameter of circular hole is 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496360.5U CN204793089U (en) | 2015-07-10 | 2015-07-10 | High magnification lithium ion battery's novel roll of core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496360.5U CN204793089U (en) | 2015-07-10 | 2015-07-10 | High magnification lithium ion battery's novel roll of core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793089U true CN204793089U (en) | 2015-11-18 |
Family
ID=54533081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520496360.5U Expired - Fee Related CN204793089U (en) | 2015-07-10 | 2015-07-10 | High magnification lithium ion battery's novel roll of core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204793089U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817875A (en) * | 2019-03-01 | 2019-05-28 | 湖北锂诺新能源科技有限公司 | Porous lightweight battery core of wedge shape and preparation method thereof |
| CN114614210A (en) * | 2022-03-18 | 2022-06-10 | 东莞新能安科技有限公司 | Electrochemical device, battery module, and electronic apparatus |
| CN115548597A (en) * | 2022-11-29 | 2022-12-30 | 瑞浦兰钧能源股份有限公司 | Secondary battery welding method and battery thereof |
| WO2023123274A1 (en) * | 2021-12-30 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | Plate, electrode assembly, battery, power consuming device and manufacturing method for plate |
-
2015
- 2015-07-10 CN CN201520496360.5U patent/CN204793089U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817875A (en) * | 2019-03-01 | 2019-05-28 | 湖北锂诺新能源科技有限公司 | Porous lightweight battery core of wedge shape and preparation method thereof |
| WO2023123274A1 (en) * | 2021-12-30 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | Plate, electrode assembly, battery, power consuming device and manufacturing method for plate |
| CN114614210A (en) * | 2022-03-18 | 2022-06-10 | 东莞新能安科技有限公司 | Electrochemical device, battery module, and electronic apparatus |
| CN114614210B (en) * | 2022-03-18 | 2024-02-20 | 东莞新能安科技有限公司 | Electrochemical device, battery module, and electronic apparatus |
| CN115548597A (en) * | 2022-11-29 | 2022-12-30 | 瑞浦兰钧能源股份有限公司 | Secondary battery welding method and battery thereof |
| CN115548597B (en) * | 2022-11-29 | 2023-04-21 | 瑞浦兰钧能源股份有限公司 | Welding method of secondary battery and battery thereof |
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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: 20151118 Termination date: 20180710 |