CN204905369U - Lamination electricity core - Google Patents
Lamination electricity core Download PDFInfo
- Publication number
- CN204905369U CN204905369U CN201520595910.9U CN201520595910U CN204905369U CN 204905369 U CN204905369 U CN 204905369U CN 201520595910 U CN201520595910 U CN 201520595910U CN 204905369 U CN204905369 U CN 204905369U
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- China
- Prior art keywords
- exit
- lug
- negative electrode
- anode ear
- laminated cell
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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
Abstract
The utility model relates to a lithium - ion battery technology field especially relates to a lamination electricity core. The utility model discloses a lamination electricity core, including positive plate, negative pole piece, diaphragm, first ploe ear and second ploe ear, the diaphragm sets up between positive plate and negative pole piece, the positive plate upper end all is provided with anodal ear with lower tip and draws the end, and negative pole piece upper end all is provided with the negative pole ear with lower tip and draws the end, positive plate and negative pole piece be range upon range of to make up into electric core unit, and the anodal ear of electric core unit is drawn the end and is drawn end -Offset with the negative pole ear, a plurality of electric core unit cascade arrangement, end welded fastening is drawn forth to the anodal ear that is located the same tip of this lamination electricity core, and end welded fastening is drawn forth to the negative pole ear that is located the same tip of this lamination electricity core, the stability of electricity core pole piece is connected is improved, the problem is become flexible in the pole piece dislocation in having improved battery cyclic process, increases battery hardness, improves battery power density, reduces the short circuit probability.
Description
Technical field
The utility model relates to technical field of lithium ion, particularly relates to a kind of laminated cell.
Background technology
Nowadays, portable type electronic product has become requisite instrument, and the battery that people are high in the urgent need to power, stability is high, fail safe is high meets the electronic product demand growing to battery performance.Existing lithium ion battery is mostly stacking obtained by both positive and negative polarity pole piece, and between anode pole piece and cathode pole piece between be separated with insulation diaphragm or insulation rubberised layer, pole piece is coated with active material layer, is welded with lug.Because pole piece heap poststack very easily misplaces, poor stability, usually causes short circuit, thus causes more serious accident, limits the raising of the power of battery to a certain extent.Application number be 201110258965.7 patent application provide a kind of pole piece and laminated lithium ion battery, its lug exit and pole piece are excessive by circular arc, solve short circuit problem to a certain extent, but electrode slice can not be avoided to loosen, dislocation.
Therefore be necessary to provide a kind of electrode slice can be avoided to loosen, misplace, the lithium ion laminated battery of stability and fail safe can be improved.
Utility model content
The purpose of this utility model is to provide a kind of laminated cell for the deficiencies in the prior art, electrode slice effectively can be avoided to loosen, misplace, and improves stability and the fail safe of battery.
For achieving the above object, a kind of laminated cell of the present utility model, comprise positive plate, negative plate and barrier film, barrier film is arranged between positive plate and negative plate, described positive plate upper end and bottom are provided with anode ear exit, and negative plate upper end and bottom are provided with negative electrode lug exit; Positive plate becomes battery core unit with negative plate stacked combination, and the anode ear exit of battery core unit and negative electrode lug exit misplace and arrange; Some battery core unit arranged stacked, the anode ear exit being positioned at the same end of this laminated cell is welded and fixed, and the negative electrode lug exit being positioned at the same end of this laminated cell is welded and fixed; Also comprise the first lug and the second lug, the first lug and the second lug are electrically connected with anode ear exit and negative electrode lug exit respectively.
Preferably, described anode ear exit comprises anode ear exit and lower anode ear exit, and lower anode ear exit and upper anode ear exit homonymy are oppositely arranged; Negative electrode lug exit comprises negative electrode lug exit and lower negative electrode lug exit, and lower negative electrode lug exit is arranged on position immediately below negative electrode lug exit.
Preferably, anode ear exit comprises anode ear exit and lower anode ear exit, and lower anode ear exit and upper anode ear exit are that diagonal angle is arranged; Negative electrode lug exit comprises negative electrode lug exit and lower negative electrode lug exit, and lower negative electrode lug exit and upper negative electrode lug exit are that diagonal angle is arranged.
Preferably, described first lug and the second lug are arranged on same one end of this laminated cell.
Preferably, described first lug and the second lug are separately positioned on the two ends up and down of this laminated cell.
Preferably, described first lug and the second lug are separately positioned on the two ends up and down of this laminated cell, and the first lug and the second lug are that diagonal angle is arranged.
Preferably, described first lug and the second lug are separately positioned on the two ends up and down of this laminated cell, and the second lug is arranged on position immediately below the first lug.
Preferably, described first lug and the second lug weld with anode ear exit and negative electrode lug exit respectively.
The beneficial effect of a kind of laminated cell of the present utility model: all anode ear exits of the same end of this laminated cell are welded and fixed, and all negative electrode lug exits of same for this laminated cell end are welded and fixed, improve the stability that battery core pole piece connects, improve pole piece dislocation in circulating battery process and loosen problem, increase battery hardness, reduce short circuit probability, improve battery security and reliability, improve homogeneous current distribution degree, reduce the internal resistance of cell, improve discharge-rate, be conducive to improving the power of battery and capacity further.
Accompanying drawing explanation
Fig. 1 is a kind of positive plate of laminated cell and the structural representation of negative plate of embodiment one of the present utility model.
Fig. 2 is the positive plate of the utility model embodiment two and the structural representation of negative plate.
Fig. 3 is the structural representation of the battery core unit of the utility model embodiment one.
Fig. 4 is the structural representation of the battery core unit of the utility model embodiment two.
Fig. 5 is the structural representation of a kind of laminated cell of the present utility model.
Fig. 6 is the structural representation of a kind of laminated cell of the utility model embodiment three.
Fig. 7 is the structural representation of a kind of laminated cell of the utility model embodiment two.
Fig. 8 is the structural representation of a kind of laminated cell of the utility model embodiment one.
Fig. 9 is the structural representation at a kind of another visual angle of laminated cell of the present utility model.
Reference numeral comprises:
1-battery core unit, 11-positive plate, 12-negative plate
3-anode ear exit, 31-upper anode ear exit 32-lower anode ear exit
4-negative electrode lug exit, 41-upper negative electrode lug exit 42-lower negative electrode lug exit 5-the first lug 6-the second lug.
Embodiment
Be described in detail below in conjunction with accompanying drawing 1 ~ 9 pair of the utility model.
Embodiment one.
As shown in drawings, a kind of laminated cell of the present utility model, comprise positive plate 11, negative plate 12 and barrier film, barrier film is arranged between positive plate 11 and negative plate 12, described positive plate 11 upper end and bottom are provided with anode ear exit 3, and negative plate 12 upper end and bottom are provided with negative electrode lug exit 4; Positive plate 11 becomes battery core unit 1 with negative plate 12 stacked combination, and anode ear exit 3 and the negative electrode lug exit 4 of battery core unit 1 misplace and arrange; Some battery core unit 1 arranged stacked, the anode ear exit 3 being positioned at the same end of this laminated cell is welded and fixed, and the negative electrode lug exit 4 being positioned at the same end of this laminated cell is welded and fixed; Also comprise the first lug 5 and the second lug 6, first lug 5 and the second lug 6 to be electrically connected with anode ear exit 3 and negative electrode lug exit 4 respectively.Concrete, a positive plate 11 becomes battery core unit 1 with negative plate 12 stacked combination, all anode ear exits 3 of same for this laminated cell end are welded and fixed, and all negative electrode lug exits 4 of same for this laminated cell end are welded and fixed, improve battery pole piece dislocation and loosen problem, increase battery hardness, reduce short circuit probability, improve battery security and reliability, improve homogeneous current distribution degree, reduce the internal resistance of cell, improve discharge-rate, be conducive to improving the power of battery and capacity further.Preferred further, described first lug 5 and the second lug 6 weld with anode ear exit 3 and negative electrode lug exit 4 respectively.
In the present embodiment, described anode ear exit 3 comprises anode ear exit 31 and lower anode ear exit 32, and lower anode ear exit 32 is positioned opposite with upper anode ear exit 31 homonymy; Negative electrode lug exit 4 comprises negative electrode lug exit 41 and lower negative electrode lug exit 42, and lower negative electrode lug exit 42 is arranged on position immediately below negative electrode lug exit 41.Same electrode slice upper end lug exit is corresponding with the lug exit of bottom to be arranged, and is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduces discharge and recharge temperature rise, improves the power density of battery, reduces the internal resistance of cell.Preferred further, described first lug 5 and the second lug 6 are separately positioned on the two ends up and down of this laminated cell, and the first lug 5 and the second lug 6 are arranged in diagonal angle.
Embodiment two.
The present embodiment and embodiment one difference are, anode ear exit 3 comprises anode ear exit 31 and lower anode ear exit 32, and lower anode ear exit 32 is arranged in diagonal angle with upper anode ear exit 31; Negative electrode lug exit 4 comprises negative electrode lug exit 41 and lower negative electrode lug exit 42, and lower negative electrode lug exit 42 is arranged in diagonal angle with upper negative electrode lug exit 41.The utility model, improves battery pole piece dislocation further and loosens problem, increase battery hardness, reduce short circuit probability, improve battery security and reliability, improve homogeneous current distribution degree, reduce the internal resistance of cell, improve discharge-rate, be conducive to improving the power of battery and capacity further.Preferred further, described first lug 5 and the second lug 6 are separately positioned on the two ends up and down of this laminated cell, and the second lug 6 is arranged on position immediately below the first lug 5.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment three.
The present embodiment and embodiment one difference are, described first lug 5 and the second lug 6 are arranged on same one end of this laminated cell.The utility model improves battery pole piece dislocation further and loosens problem, increases battery hardness, reduces short circuit probability, improve battery security and reliability, improve homogeneous current distribution degree, reduce the internal resistance of cell, improve discharge-rate.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a laminated cell, comprise positive plate (11), negative plate (12) and barrier film, barrier film is arranged between positive plate (11) and negative plate (12), it is characterized in that: described positive plate (11) upper end and bottom are provided with anode ear exit (3), negative plate (12) upper end and bottom are provided with negative electrode lug exit (4); Positive plate (11) becomes battery core unit (1) with negative plate (12) stacked combination, and anode ear exit (3) and the negative electrode lug exit (4) of battery core unit (1) misplace and arrange; Some battery core unit (1) arranged stacked, the anode ear exit (3) being positioned at the same end of this laminated cell is welded and fixed, and the negative electrode lug exit (4) being positioned at the same end of this laminated cell is welded and fixed; Also comprise the first lug (5) and the second lug (6), the first lug (5) and the second lug (6) are electrically connected with anode ear exit (3) and negative electrode lug exit (4) respectively.
2. a kind of laminated cell according to claim 1, it is characterized in that: described anode ear exit (3) comprises anode ear exit (31) and lower anode ear exit (32), lower anode ear exit (32) is positioned opposite with upper anode ear exit (31) homonymy; Negative electrode lug exit (4) comprises negative electrode lug exit (41) and lower negative electrode lug exit (42), and lower negative electrode lug exit (42) is arranged on position immediately below negative electrode lug exit (41).
3. a kind of laminated cell according to claim 1, it is characterized in that: anode ear exit (3) comprises anode ear exit (31) and lower anode ear exit (32), lower anode ear exit (32) and upper anode ear exit (31) are arranged in diagonal angle; Negative electrode lug exit (4) comprises negative electrode lug exit (41) and lower negative electrode lug exit (42), and lower negative electrode lug exit (42) and upper negative electrode lug exit (41) are arranged in diagonal angle.
4. a kind of laminated cell according to claim 1, is characterized in that: described first lug (5) and the second lug (6) are arranged on same one end of this laminated cell.
5. a kind of laminated cell according to claim 1, is characterized in that: described first lug (5) and the second lug (6) are separately positioned on the two ends up and down of this laminated cell.
6. a kind of laminated cell according to claim 2, is characterized in that: described first lug (5) and the second lug (6) are separately positioned on the two ends up and down of this laminated cell, and the first lug (5) and the second lug (6) are arranged in diagonal angle.
7. a kind of laminated cell according to claim 3, is characterized in that: described first lug (5) and the second lug (6) are separately positioned on the two ends up and down of this laminated cell, and the second lug (6) is arranged on position immediately below the first lug (5).
8. a kind of laminated cell according to claim 1, is characterized in that: described first lug (5) and the second lug (6) weld with anode ear exit (3) and negative electrode lug exit (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520595910.9U CN204905369U (en) | 2015-08-10 | 2015-08-10 | Lamination electricity core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520595910.9U CN204905369U (en) | 2015-08-10 | 2015-08-10 | Lamination electricity core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905369U true CN204905369U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520595910.9U Active CN204905369U (en) | 2015-08-10 | 2015-08-10 | Lamination electricity core |
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| Country | Link |
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| CN (1) | CN204905369U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323403A (en) * | 2019-07-10 | 2019-10-11 | 江苏塔菲尔新能源科技股份有限公司 | A kind of safe extreme ear structure and preparation method thereof, lithium ion battery |
| CN112117424A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
| CN112582668A (en) * | 2021-02-25 | 2021-03-30 | 潍坊聚能电池有限公司 | Multi-pole column lithium ion power battery and manufacturing method thereof |
| CN112687963A (en) * | 2021-03-12 | 2021-04-20 | 苏州宇量电池有限公司 | Laminated lithium ion battery pole core and battery comprising same |
| CN113948759A (en) * | 2021-10-18 | 2022-01-18 | 蜻蜓实验室(深圳)有限公司 | Battery monomer and lithium ion battery pack |
| CN114094285A (en) * | 2021-11-15 | 2022-02-25 | 蜂巢能源科技有限公司 | Long battery with unilateral pole and electric energy storage device |
| CN114566722A (en) * | 2022-03-02 | 2022-05-31 | 超威电源集团有限公司 | Long-life lead-acid storage battery and preparation method thereof |
| CN115189100A (en) * | 2022-09-06 | 2022-10-14 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device, and electric device |
| CN115395186A (en) * | 2022-07-01 | 2022-11-25 | 岳阳耀宁新能源科技有限公司 | Square lithium ion battery with staggered lugs and lug welding device |
| DE102018112153B4 (en) | 2017-05-25 | 2024-03-21 | GM Global Technology Operations LLC | Battery pack |
-
2015
- 2015-08-10 CN CN201520595910.9U patent/CN204905369U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018112153B4 (en) | 2017-05-25 | 2024-03-21 | GM Global Technology Operations LLC | Battery pack |
| CN112117424B (en) * | 2019-06-21 | 2022-02-08 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
| CN112117424A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
| CN110323403A (en) * | 2019-07-10 | 2019-10-11 | 江苏塔菲尔新能源科技股份有限公司 | A kind of safe extreme ear structure and preparation method thereof, lithium ion battery |
| CN112582668A (en) * | 2021-02-25 | 2021-03-30 | 潍坊聚能电池有限公司 | Multi-pole column lithium ion power battery and manufacturing method thereof |
| CN112687963A (en) * | 2021-03-12 | 2021-04-20 | 苏州宇量电池有限公司 | Laminated lithium ion battery pole core and battery comprising same |
| CN112687963B (en) * | 2021-03-12 | 2022-01-25 | 苏州宇量电池有限公司 | Laminated lithium ion battery pole core and battery comprising same |
| CN113948759A (en) * | 2021-10-18 | 2022-01-18 | 蜻蜓实验室(深圳)有限公司 | Battery monomer and lithium ion battery pack |
| CN114094285A (en) * | 2021-11-15 | 2022-02-25 | 蜂巢能源科技有限公司 | Long battery with unilateral pole and electric energy storage device |
| CN114094285B (en) * | 2021-11-15 | 2023-06-27 | 蜂巢能源科技有限公司 | Single-side pole long battery and electric energy storage device |
| CN114566722A (en) * | 2022-03-02 | 2022-05-31 | 超威电源集团有限公司 | Long-life lead-acid storage battery and preparation method thereof |
| CN114566722B (en) * | 2022-03-02 | 2023-06-20 | 超威电源集团有限公司 | Long-life lead-acid storage battery and preparation method thereof |
| CN115395186A (en) * | 2022-07-01 | 2022-11-25 | 岳阳耀宁新能源科技有限公司 | Square lithium ion battery with staggered lugs and lug welding device |
| CN115189100A (en) * | 2022-09-06 | 2022-10-14 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device, and electric device |
| CN115189100B (en) * | 2022-09-06 | 2023-08-22 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device and electric equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201106 Granted publication date: 20151223 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210112 Granted publication date: 20151223 |
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| PD01 | Discharge of preservation of patent | ||
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Effective date of registration: 20210625 Granted publication date: 20151223 |
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| PP01 | Preservation of patent right |