CN203521536U - Novel flexible packaging lithium-ion power battery - Google Patents
Novel flexible packaging lithium-ion power battery Download PDFInfo
- Publication number
- CN203521536U CN203521536U CN201320562304.8U CN201320562304U CN203521536U CN 203521536 U CN203521536 U CN 203521536U CN 201320562304 U CN201320562304 U CN 201320562304U CN 203521536 U CN203521536 U CN 203521536U
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- negative
- positive
- plate
- brace
- electrode tabs
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- 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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- 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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Abstract
The utility model discloses a novel flexible packaging lithium-ion power battery. The novel flexible packaging lithium-ion power battery is characterized in that a cell is formed by laminating a plurality of positive plates (11) and a plurality of negative plates (12) in a staggering manner, wherein diaphragms are arranged between the positive plates and the negative plates; two positive electrode tabs (21) are arranged on each of the positive plates; two negative electrode tabs (22) staggered relative to the corresponding positive electrode tabs are arranged on each of the negative plates; the positive electrode pieces at corresponding positions in different layers are integrally welded while the negative plates at corresponding positions in different layers are integrally welded, and thus the cell is provided with two rows of positive electrode tabs and two rows of negative electrode tabs; the two rows of positive electrode tabs are connected through positive connecting pieces (31), and the two rows of negative electrode tabs are connected through negative connecting pieces (32); the positive connecting pieces and the negative connecting pieces are arranged on two opposite sides of the cell; positive terminals (41) and negative terminals (42) are arranged on the positive connecting pieces (31) and the negative connecting pieces (32), respectively. According to the novel flexible packaging lithium-ion power battery, a double-tab structure is adopted, the internal resistance is low, and the charging and discharging efficiency is high.
Description
Technical field
The utility model relates to a kind of novel flexible packing lithium-ion-power cell.
Background technology
Existing novel flexible packing lithium-ion-power cell, only has a lug on pole piece, electron motion distance in pole piece, and the internal resistance of cell is large, therefore, is necessary to design a kind of novel flexible packing lithium-ion-power cell.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel flexible packing lithium-ion-power cell, and this novel flexible packing lithium-ion-power cell adopts Double-pole lug structure, and internal resistance is low, and efficiency for charge-discharge is high.
The technical solution of utility model is as follows:
A novel flexible packing lithium-ion-power cell, battery core is formed by multi-disc positive plate (11) and multi-disc negative plate (12) intersecting, between positive plate and negative plate, is provided with barrier film; On every positive plate, be equipped with 2 anode ears (21), be equipped with 2 negative electrode lugs (22) on every negative plate, the relative position of anode ear and negative electrode lug staggers; The positive plate of the relevant position of the positive plate of different layers welds together, and the negative plate of the relevant position of the negative plate of different layers welds together, and makes battery core have 2 row anode ears and 2 row negative electrode lugs; 2 row anode ears are connected by positive brace (31); 2 row negative electrode lugs are connected by negative brace (32); Positive brace divides with negative brace the relative both sides that are located in battery core; Positive brace (31) and negative brace (32) are respectively equipped with positive terminal (41) and negative terminal (42).
Beneficial effect:
Novel flexible packing lithium-ion-power cell of the present utility model, each electrode slice has all adopted the structure of Double-pole lug, makes in charge and discharge process, and current density is little, and density is comparatively even, and internal resistance is little, and efficiency for charge-discharge is high.In addition, in the both sides of battery core, designed unique lug brace and anode ear and negative electrode lug and mutually staggered, avoid positive and negative lug to contact with each other and cause short circuit, thereby reliability has been high.
Accompanying drawing explanation
Fig. 1 is the structural representation of pole piece.
Fig. 2 is the general structure schematic diagram (vertical view) of novel flexible packing lithium-ion-power cell.
Label declaration: 1-pole piece, 11-positive plate, 12-negative plate, 21-anode ear, 22-negative electrode lug, the positive brace of 31-, 32-bears brace, 41-positive terminal, 42-negative terminal.
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 flexible packing lithium-ion-power cell, battery core is formed by multi-disc positive plate 11 and multi-disc negative plate 12 intersectings, between positive plate and negative plate, is provided with barrier film; On every positive plate, be equipped with 2 anode ears 21, be equipped with 2 negative electrode lugs 22 on every negative plate, the relative position of anode ear and negative electrode lug staggers; The positive plate of the relevant position of the positive plate of different layers welds together, and the negative plate of the relevant position of the negative plate of different layers welds together, and makes battery core have 2 row anode ears and 2 row negative electrode lugs; 2 row anode ears are connected by positive brace 31; 2 row negative electrode lugs are connected by negative brace 32; Positive brace divides with negative brace the relative both sides that are located in battery core; Positive brace 31 and negative brace 32 are respectively equipped with positive terminal 41 and negative terminal 42.
Claims (1)
1. a novel flexible packing lithium-ion-power cell, is characterized in that, battery core is formed by multi-disc positive plate (11) and multi-disc negative plate (12) intersecting, between positive plate and negative plate, is provided with barrier film; On every positive plate, be equipped with 2 anode ears (21), be equipped with 2 negative electrode lugs (22) on every negative plate, the relative position of anode ear and negative electrode lug staggers; The positive plate of the relevant position of the positive plate of different layers welds together, and the negative plate of the relevant position of the negative plate of different layers welds together, and makes battery core have 2 row anode ears and 2 row negative electrode lugs; 2 row anode ears are connected by positive brace (31); 2 row negative electrode lugs are connected by negative brace (32); Positive brace divides with negative brace the relative both sides that are located in battery core; Positive brace (31) and negative brace (32) are respectively equipped with positive terminal (41) and negative terminal (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562304.8U CN203521536U (en) | 2013-09-11 | 2013-09-11 | Novel flexible packaging lithium-ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562304.8U CN203521536U (en) | 2013-09-11 | 2013-09-11 | Novel flexible packaging lithium-ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521536U true CN203521536U (en) | 2014-04-02 |
Family
ID=50380417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562304.8U Expired - Fee Related CN203521536U (en) | 2013-09-11 | 2013-09-11 | Novel flexible packaging lithium-ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203521536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768846A (en) * | 2016-08-17 | 2018-03-06 | 王婷 | A kind of battery pole ear clamping device |
| CN114628860A (en) * | 2021-12-21 | 2022-06-14 | 万向一二三股份公司 | Pole piece and tab welding structure of lithium ion battery |
-
2013
- 2013-09-11 CN CN201320562304.8U patent/CN203521536U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768846A (en) * | 2016-08-17 | 2018-03-06 | 王婷 | A kind of battery pole ear clamping device |
| CN107768846B (en) * | 2016-08-17 | 2020-05-29 | 王婷 | Battery tab clamping device |
| CN114628860A (en) * | 2021-12-21 | 2022-06-14 | 万向一二三股份公司 | Pole piece and tab welding structure of lithium ion 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 |
Granted publication date: 20140402 Termination date: 20170911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |