CN204947019U - A kind of full lug column lithium ion battery - Google Patents
A kind of full lug column lithium ion battery Download PDFInfo
- Publication number
- CN204947019U CN204947019U CN201520432906.0U CN201520432906U CN204947019U CN 204947019 U CN204947019 U CN 204947019U CN 201520432906 U CN201520432906 U CN 201520432906U CN 204947019 U CN204947019 U CN 204947019U
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- negative pole
- pole
- lithium ion
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- plate
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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
Abstract
The utility model discloses a kind of cylindrical full lug lithium ion battery structure.Comprise housing (5), anode collection plate (4), negative pole currect collecting plate (6), positive pole cover plate (2), negative pole cover plate (8), Positive Poles (1) and negative pole pole (7), it is characterized in that, described positive pole cover plate (2) and Positive Poles (1) are positive pole sub-assembly, positive pole end face shakes flat place's welding anode collection plate (4), and negative pole end face shakes flat place's welding negative pole currect collecting plate (6); Described Positive Poles (1) is connected threadably with anode collection plate (4), and negative pole pole (7) is connected threadably with negative pole currect collecting plate (6).The utility model is by making positive and negative terminals be connected with both positive and negative polarity collector in the mode be threaded, and adopt two liquid injection holes to achieve quick fluid injection and get rid of the function of the aerogenesis after changing into, technique is simple, internal resistance is little, circulation performance is good, and automaticity is high, and the useful life of battery can be improved.
Description
[technical field]
The present invention relates to a kind of lithium ion battery packaging technology, particularly relate to a kind of full lug column lithium ion battery package assembly.
[background technology]
Lithium ion battery, as environmental protection new forms of energy, has good reliability, the advantages such as fail safe is high, and volume is little, lightweight, is widely used in the fields such as electronic product, electric automobile, war products.Along with the raising that electric vehicle system requires power-performance, lithium ion battery is just towards high power and high magnification future development.
Cylindrical battery adopts takeup type to process because of it, and structure is simple, and production efficiency is high and popularized.Current cylindrical battery many employings gap coating method, tab welding, in foil place, pole coating gap, wall scroll pole piece is generally welded with 2-5 lug, finally by all tab weldings on same flow collection sheet, this process is complicated, and length consuming time, production efficiency is low.In addition because Welding Structure is more, easily there is rosin joint, cross weldering phenomenon in lug, causes the internal resistance of cell excessive, useful life is not up to standard, and gap lug CURRENT DISTRIBUTION is uneven, and transmission path is long, resistance is large, is difficult to meet industry to the requirement of power lithium-ion battery high-rate charge-discharge capability.
[summary of the invention]
The present invention is directed to above problem, provide a kind of full lug cylinder type lithium battery structure, to improve the high power charging-discharging ability of battery, reduce the welding sequence in battery structure assembling, improve the quality of products, ensure conforming product rate, reduce people be cause defective products.Its scheme is as follows:
A kind of column lithium ion battery, comprise housing (5), anode collection plate (4), negative pole currect collecting plate (6), positive pole cover plate (2), negative pole cover plate (8), Positive Poles (1) and negative pole pole (7), it is characterized in that, described positive pole cover plate (2) and Positive Poles (1) are positive pole sub-assembly, positive pole end face shakes flat place's welding anode collection plate (4), and negative pole end face shakes flat place's welding negative pole currect collecting plate (6); Described Positive Poles (1) is connected with anode collection plate (4), and negative pole pole (7) is connected with negative pole currect collecting plate (6).
Preferably, described positive pole sub-assembly, with plastic hot riveting method connect and material for PFA or PPS.
Preferably, described positive pole column cap (1) and negative pole column cap (7) have external screw thread (10).There is internal thread (14) at anode collection plate (4) and negative pole currect collecting plate (6) center.
Preferably, described reach >=4mm.
Preferably, described positive pole column cap (1) is provided with liquid injection hole 1 (11), and described liquid injection hole 1 (11) the inner is communicated with battery compartment and is built-in with steel ball at liquid injection hole 1.
Preferably, described positive pole cover plate is provided with groove (12), forms liquid injection hole 2 after groove (12) welds with liquid injecting mouth (3), and described liquid injection hole 2 the inner is communicated with battery compartment and is built-in with steel ball at liquid injection hole 2.
Preferably, described collector plate is provided with welding position (15), welding position (15) thickness is 0.5-2.5mm.
Preferably, anode collection plate (4) upper surface and positive terminal (1) lower surface close contact, negative pole currect collecting plate (6) upper surface and negative terminal (7) lower surface close contact.
Preferably, the hardware structure material that described whole battery is used is metalwork.
Beneficial effect of the present invention:
Present invention process adopts thread fiting mode to be connected with pole by battery current collecting plate, contact internal resistance is very little, both the ability of the High-current output that full lug battery has had been remained, additionally reduce welding sequence, not only simultaneously the present invention adopts two electrolyte filling hole structures, and achieve quick fluid injection but also achieve the function of discharging waste gas, structure of the present invention is simple, production efficiency is high, turn improves the life-span of battery while improving the electrical properties such as battery circulation.
[accompanying drawing explanation]
The assembling assumption diagram of accompanying drawing 1 lithium ion battery of the present invention
Accompanying drawing 2 lithium ion cell positive cover plate assembly of the present invention
Accompanying drawing 3 lithium ion cell positive cover plate assembly collector plate of the present invention front
The accompanying drawing 4 lithium ion cell positive cover plate assembly collector plate of the present invention back side
[embodiment]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
It is the overall structure of battery in Fig. 1, comprise housing (5), anode collection plate (4), negative pole currect collecting plate (6), positive pole cover plate (2), negative pole cover plate (8), Positive Poles (1) and negative pole pole (7), liquid injection hole (11) (12), safety valve (13).
The present invention is a kind of full lug column lithium ion battery.The concrete assembling process of battery is as follows:
1, positive pole cover plate (2) and Positive Poles (1) are sub-assembly (Fig. 2), connect with plastic hot riveting method, hot riveting uses plastics PFA (9) (soluble poly tetrafluoroethene), can ensure that hot riveting structure has enough resistances to chemical corrosion and creep-resistant property etc.;
2, welding position lug trimmer is needed at battery core two ends to flatten, being pressed into shake at positive pole end face after meter font or cross (corresponding with collector plate shape) flatten flatly locates to weld anode collection plate (4), shake at negative pole end face and put down place's welding negative pole currect collecting plate (6), the thickness of weld is 0.5mm, both ensure that the intensity of welding, alleviate battery weight again, improve battery energy density;
3, anode collection plate (4) and negative pole currect collecting plate (6) center are processed with internal thread (14), and positive pole column cap (1) and negative pole column cap (7) have external screw thread (10).The battery core positive terminal and positive cover board component (Fig. 2) that are welded with collector plate are coupled together threadably, negative pole end and negative pole pole (7) couple together threadably, and be threaded length >=4mm, to ensure the reliability connected.
4, by negative pole cover plate (8) and housing (5) welding, then the battery core assembly the 4th step connected loads housing, and by positive pole cover plate and housing, namely positive pole cover plate welds with the seam crossing of shell, positive pole cover plate is provided with safety valve, ensures fail safe.
5, finally negative pole pole (7) and negative pole cover plate (8) seam crossing are welded.
6, assemble complete, carry out battery leak detection.
7, fluid injection operation: positive pole column cap (1) has liquid injection hole 1 (11), liquid injection hole bottom leads to battery compartment, fluted on positive pole cover plate (12), form liquid injection hole 2 after groove (12) welds with liquid injecting mouth (3); Liquid injection hole 1 connects liquid injection system, is used for fluid injection, and liquid injection hole 2 connects vacuum system, discharging waste gas during for vacuumizing in injection process and changing into; Liquid injection hole 1 steel ball sealing after fluid injection, liquid injection hole 2 sealing cap sealing, liquid injection hole 2 is that sealing means can also can for pagoda joint sealing for thread seal, follow-uply opens exhaust to facilitate.
When 8, changing into liquid injection hole 2 can take off sealing cap and connect Outer Tube exhaust or with etc. change into after take off sealing cap in vacuum tank and be vented, after exhaust, liquid injection hole 2 is sealed with steel ball.
Claims (9)
1. a column lithium ion battery, comprise housing (5), anode collection plate (4), negative pole currect collecting plate (6), positive pole cover plate (2), negative pole cover plate (8), Positive Poles (1) and negative pole pole (7), it is characterized in that, described positive pole cover plate (2) and Positive Poles (1) are positive pole sub-assembly, positive pole end face shakes flat place's welding anode collection plate (4), and negative pole end face shakes flat place's welding negative pole currect collecting plate (6); Described Positive Poles (1) is connected with anode collection plate (4), and negative pole pole (7) is connected with negative pole currect collecting plate (6).
2. column lithium ion battery according to claim 1, is characterized in that: described positive pole sub-assembly, with plastic hot riveting method connect and material for PFA or PPS.
3. column lithium ion battery according to claim 1, it is characterized in that: described positive pole column cap (1) and negative pole column cap (7) have external screw thread (10), there is internal thread (14) at anode collection plate (4) and negative pole currect collecting plate (6) center.
4. column lithium ion battery according to claim 3, is characterized in that: described reach >=4mm.
5. column lithium ion battery according to claim 1, it is characterized in that: described positive pole column cap (1) is provided with liquid injection hole 1 (11), described liquid injection hole 1 (11) the inner is communicated with battery compartment and is built-in with steel ball at liquid injection hole 1.
6. column lithium ion battery according to claim 1, it is characterized in that: described positive pole cover plate is provided with groove (12), form liquid injection hole 2 after groove (12) welds with liquid injecting mouth (3), described liquid injection hole 2 the inner is communicated with battery compartment and is built-in with steel ball at liquid injection hole 2.
7. column lithium ion battery according to claim 1, is characterized in that: described collector plate is provided with welding position (15), and welding position (15) thickness is 0.5-2.5mm.
8. column lithium ion battery according to claim 1, it is characterized in that: anode collection plate (4) upper surface and positive terminal (1) lower surface close contact, negative pole currect collecting plate (6) upper surface and negative terminal (7) lower surface close contact.
9. column lithium ion battery according to claim 1, is characterized in that: the hardware structure material that described whole battery is used is metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432906.0U CN204947019U (en) | 2015-06-17 | 2015-06-17 | A kind of full lug column lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432906.0U CN204947019U (en) | 2015-06-17 | 2015-06-17 | A kind of full lug column lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN204947019U true CN204947019U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520432906.0U Active CN204947019U (en) | 2015-06-17 | 2015-06-17 | A kind of full lug column lithium ion battery |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025112A (en) * | 2016-04-28 | 2016-10-12 | 常熟高嘉能源科技有限公司 | Positive electrode lithium battery cover plate |
| CN107768555A (en) * | 2017-10-18 | 2018-03-06 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium battery encapsulation housing and lithium battery |
| CN108807833A (en) * | 2018-06-25 | 2018-11-13 | 银隆新能源股份有限公司 | A kind of battery liquid-filling structure and battery |
| CN108987790A (en) * | 2018-08-31 | 2018-12-11 | 成都市银隆新能源产业技术研究有限公司 | A kind of lithium battery |
| CN109360932A (en) * | 2018-11-19 | 2019-02-19 | 国轩新能源（苏州）有限公司 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
| CN109494320A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | With the positive cover board and battery of liquid injecting mouth integral structure |
| CN111403672A (en) * | 2020-03-20 | 2020-07-10 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium ion battery |
| CN111403671A (en) * | 2020-03-20 | 2020-07-10 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Method for manufacturing lithium ion battery |
| CN114899415A (en) * | 2022-07-13 | 2022-08-12 | 楚能新能源股份有限公司 | Collector plate assembly, cylindrical lithium ion battery and assembly process |
| CN115548415A (en) * | 2022-11-29 | 2022-12-30 | 中自环保科技股份有限公司 | Combination method of soft-packaged large cylindrical battery based on full tabs |
| WO2023011232A1 (en) * | 2021-08-04 | 2023-02-09 | 湖南时代联合新能源有限公司 | Cylindrical battery having anti-vibration and impact resistance effects |
-
2015
- 2015-06-17 CN CN201520432906.0U patent/CN204947019U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025112A (en) * | 2016-04-28 | 2016-10-12 | 常熟高嘉能源科技有限公司 | Positive electrode lithium battery cover plate |
| CN109494320A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | With the positive cover board and battery of liquid injecting mouth integral structure |
| CN107768555A (en) * | 2017-10-18 | 2018-03-06 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium battery encapsulation housing and lithium battery |
| CN108807833A (en) * | 2018-06-25 | 2018-11-13 | 银隆新能源股份有限公司 | A kind of battery liquid-filling structure and battery |
| CN108987790A (en) * | 2018-08-31 | 2018-12-11 | 成都市银隆新能源产业技术研究有限公司 | A kind of lithium battery |
| CN109360932A (en) * | 2018-11-19 | 2019-02-19 | 国轩新能源（苏州）有限公司 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
| CN111403672A (en) * | 2020-03-20 | 2020-07-10 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium ion battery |
| CN111403671A (en) * | 2020-03-20 | 2020-07-10 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Method for manufacturing lithium ion battery |
| CN111403671B (en) * | 2020-03-20 | 2022-11-11 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Method for manufacturing lithium ion battery |
| CN111403672B (en) * | 2020-03-20 | 2022-12-30 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium ion battery |
| WO2023011232A1 (en) * | 2021-08-04 | 2023-02-09 | 湖南时代联合新能源有限公司 | Cylindrical battery having anti-vibration and impact resistance effects |
| CN114899415A (en) * | 2022-07-13 | 2022-08-12 | 楚能新能源股份有限公司 | Collector plate assembly, cylindrical lithium ion battery and assembly process |
| CN115548415A (en) * | 2022-11-29 | 2022-12-30 | 中自环保科技股份有限公司 | Combination method of soft-packaged large cylindrical battery based on full tabs |
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Effective date of registration: 20180428 Granted publication date: 20160106 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160106 |
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