CN102945940A - Lithium ion power battery and processing method thereof - Google Patents
Lithium ion power battery and processing method thereof Download PDFInfo
- Publication number
- CN102945940A CN102945940A CN2012104625741A CN201210462574A CN102945940A CN 102945940 A CN102945940 A CN 102945940A CN 2012104625741 A CN2012104625741 A CN 2012104625741A CN 201210462574 A CN201210462574 A CN 201210462574A CN 102945940 A CN102945940 A CN 102945940A
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- Prior art keywords
- draw
- groove
- bus
- bar
- plate
- Prior art date
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- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract 4
- 229910001416 lithium ion Inorganic materials 0.000 title abstract 4
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a lithium ion power battery and a processing method of the lithium ion power battery. The lithium ion power battery comprises a shell with an open upper end, a busbar and a roll core, wherein the left end and the right end of the roll core are provided with a pole plate in a leading manner, the busbar comprises vertical clamping slots, one side of each clamping slot extends downwards to be provided with a welding plate, the upper parts of the pole plates are embedded into the clamping slots and are arranged with the clamping slots in a pressing rivet manner, and the lower parts of the pole plates are welded on the welding plates in an ultrasonic manner. The invention has the advantages that the point contact between the pole plates of the battery and the busbar is changed into the surface contact; through pressing rivet and ultrasonic welding, the busbar can be firmly and reliably connected with the pole plates of the battery, so that the stability and the safety can be ensured; and simultaneously, as the contact surface is added, the heat generated by discharge of the battery can be uniformly dispersed, and the service life of the battery can be prolonged.
Description
Technical field
The present invention relates to a kind of lithium-ion-power cell and processing method thereof.
Background technology
At present, along with national new forms of energy realization of plan, Prospect of EVS Powered with Batteries receives much concern, and known lithium-ion-power cell need satisfy heavy-current discharge, high rate cyclic and the long requirements such as useful life, thereby the bus-bar of battery is had special requirement.
Bus-bar adopts bolt to pass cell substrates and nut connected mode mostly in the battery of existing electrokinetic cell producer.After battery loading operation a period of time, because the vibrations of vehicle probably cause the loosening of clamp nut and come off, cause potential safety hazard, and because contact-making surface between bolt, nut and the battery pole plates three is little, it is inhomogeneous to dispel the heat, and seriously shortens the useful life of battery.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of lithium-ion-power cell and processing method thereof, its bus-bar connects more firm, uses more stability and safety, good heat dissipation effect, long service life.
The present invention is achieved by the following measures:
A kind of lithium-ion-power cell of the present invention comprises housing, bus-bar and the volume core of upper end open,
The two ends, the left and right sides of described volume core lead to pole plate, and described bus-bar comprises vertical draw-in groove, and a side of draw-in groove is extended with welded plate downwards, and described pole plate top embeds in the draw-in groove and with draw-in groove and presses together, and the bottom supersonic welding of pole plate is connected on the welded plate.
Above-mentioned draw-in groove top is provided with the transitional slope of 45 degree.
The length of above-mentioned draw-in groove is 45 ~ 50mm, and the width of draw-in groove is 2 ~ 3mm, and the length of welded plate is
18~23mm。
The processing method of lithium-ion-power cell of the present invention may further comprise the steps:
A. be rolled into core and draw pole plate at two ends, the left and right sides, pole plate is shaped to vertical bar shape;
B. make the rectangle housing of bus-bar, cover plate and upper end open, the structure of bus-bar comprises vertical draw-in groove, and a side of draw-in groove is extended with welded plate downwards;
C. bus-bar is arranged on volume core two ends, the top of pole plate is embedded in the draw-in groove and presses together, adopts ultrasonic bonding that the pole plate bottom is welded on the welded plate;
D. will roll up core and bus-bar and pack into together in the housing, clamp-on between bus-bar and the housing sidewall insulation every
Plate, and fix.
The invention has the beneficial effects as follows:
The point contact of past and battery pole plates is connected becomes the face contact, be connected with the ultrasonic bonding twice by riveting, make effectively that bus-bar and battery pole plates are firm to be connected, guaranteed stability and fail safe; Because contact-making surface increases, the heat that battery is produced when discharge evenly distributes, and improves useful life simultaneously.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of bus-bar of the present invention.
Wherein: 1 volume core, 2 pole plates, 3 welded plates, 4 draw-in grooves, 5 transitional slopes.
Embodiment
As shown in Figure 1, 2, a kind of lithium-ion-power cell of the present invention, comprise upper end open housing,
Bus-bar and volume core 1, the two ends, the left and right sides of volume core 1 lead to pole plate 2, bus-bar comprises vertical draw-in groove 4, and a side of draw-in groove 4 is extended with welded plate 3 downwards, and pole plate 2 tops embed in the draw-in groove 4 and with draw-in groove 4 and press together, the bottom supersonic welding of pole plate 2 is connected on the welded plate 3, dual connection is so that connection is more firm, and the contact area increase, is conducive to heat radiation, improve fail safe, prolonged useful life.
Draw-in groove 4 tops are provided with the transitional slope 5 of 45 degree, and to improve stretching resistance, transitional slope 5 connects binding post.The length of draw-in groove 4 is 45 ~ 50mm, and the width of draw-in groove 4 is 2 ~ 3mm, and the length of welded plate 3 is 18 ~ 23mm.
The processing method of lithium-ion-power cell of the present invention may further comprise the steps:
A. be rolled into core and draw pole plate at two ends, the left and right sides, pole plate is shaped to vertical bar shape;
B. make the rectangle housing of bus-bar, cover plate and upper end open, the structure of bus-bar comprises vertical draw-in groove, and a side of draw-in groove is extended with welded plate downwards;
C. bus-bar is arranged on volume core two ends, the top of pole plate is embedded in the draw-in groove and presses together, adopts ultrasonic bonding that the pole plate bottom is welded on the welded plate;
D. will roll up core and bus-bar and pack into together in the housing, and clamp-on insulating barrier between bus-bar and the housing sidewall, and fix.
The above only is the preferred implementation of this patent; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the art of this patent principle; can also make some improvement and replacement, these improvement and replacement also should be considered as the protection range of this patent.
Claims (4)
1. lithium-ion-power cell, the housing, bus-bar and the volume core that comprise upper end open, the two ends, the left and right sides of described volume core lead to pole plate, it is characterized in that: described bus-bar comprises vertical draw-in groove, one side of draw-in groove is extended with welded plate downwards, described pole plate top embeds in the draw-in groove and with draw-in groove and presses together, and the bottom supersonic welding of pole plate is connected on the welded plate.
2. described lithium-ion-power cell according to claim 1, it is characterized in that: described draw-in groove top is provided with the transitional slopes of 45 degree.
3. described lithium-ion-power cell according to claim 1, it is characterized in that: the length of described draw-in groove is 45 ~ 50mm, and the width of draw-in groove is 2 ~ 3mm, and the length of welded plate is 18 ~ 23mm.
4. the processing method of lithium-ion-power cell as claimed in claim 1 is characterized in that, may further comprise the steps:
A. be rolled into core and draw pole plate at two ends, the left and right sides, pole plate is shaped to vertical bar shape;
B. make the rectangle housing of bus-bar, cover plate and upper end open, the structure of bus-bar comprises vertical draw-in groove, and a side of draw-in groove is extended with welded plate downwards;
C. bus-bar is arranged on volume core two ends, the top of pole plate is embedded in the draw-in groove and presses together, adopts ultrasonic bonding that the pole plate bottom is welded on the welded plate;
D. will roll up core and bus-bar and pack into together in the housing, and clamp-on insulating barrier between bus-bar and the housing sidewall, and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462574.1A CN102945940B (en) | 2012-11-16 | 2012-11-16 | Lithium ion power battery and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462574.1A CN102945940B (en) | 2012-11-16 | 2012-11-16 | Lithium ion power battery and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102945940A true CN102945940A (en) | 2013-02-27 |
| CN102945940B CN102945940B (en) | 2015-06-17 |
Family
ID=47728863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210462574.1A Active CN102945940B (en) | 2012-11-16 | 2012-11-16 | Lithium ion power battery and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102945940B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198023A (en) * | 1997-03-27 | 1998-11-04 | 日本电池株式会社 | Nonaqueous electroyte secondary battery |
| CN101342652A (en) * | 2008-08-27 | 2009-01-14 | 深圳市今星光实业有限公司 | Sealed lead sour accumulator welding clamp and welding process thereof |
| CN201975466U (en) * | 2010-12-14 | 2011-09-14 | 长丰集团有限责任公司 | Integral pressed stacked battery module |
| CN102306733A (en) * | 2011-08-22 | 2012-01-04 | 力神迈尔斯动力电池系统有限公司 | Connection array and battery cover of lithium ion battery and method for connecting connection array with battery cover |
| CN102655227A (en) * | 2011-03-02 | 2012-09-05 | 珠海银通新能源有限公司 | Power battery pack |
| CN202871898U (en) * | 2012-11-16 | 2013-04-10 | 山东衡远新能源科技有限公司 | Lithium ion power battery |
-
2012
- 2012-11-16 CN CN201210462574.1A patent/CN102945940B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198023A (en) * | 1997-03-27 | 1998-11-04 | 日本电池株式会社 | Nonaqueous electroyte secondary battery |
| CN101342652A (en) * | 2008-08-27 | 2009-01-14 | 深圳市今星光实业有限公司 | Sealed lead sour accumulator welding clamp and welding process thereof |
| CN201975466U (en) * | 2010-12-14 | 2011-09-14 | 长丰集团有限责任公司 | Integral pressed stacked battery module |
| CN102655227A (en) * | 2011-03-02 | 2012-09-05 | 珠海银通新能源有限公司 | Power battery pack |
| CN102306733A (en) * | 2011-08-22 | 2012-01-04 | 力神迈尔斯动力电池系统有限公司 | Connection array and battery cover of lithium ion battery and method for connecting connection array with battery cover |
| CN202871898U (en) * | 2012-11-16 | 2013-04-10 | 山东衡远新能源科技有限公司 | Lithium ion power battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102945940B (en) | 2015-06-17 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20240424 Address after: Room 902, Building 1, Qizhi Gonglian City, No. 515 Qizhi Street, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Hangzhou Green Jixing Science and Technology Innovation Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: No. 1888 West Outer Ring Road, Zoucheng Economic Development Zone, Jining City, Shandong Province, 250000 Patentee before: SHANDONG FOREVER NEW ENERGY Co.,Ltd. Country or region before: China |
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