CN205828564U - A kind of low-cost aluminum structure lithium ion battery - Google Patents
A kind of low-cost aluminum structure lithium ion battery Download PDFInfo
- Publication number
- CN205828564U CN205828564U CN201620672633.1U CN201620672633U CN205828564U CN 205828564 U CN205828564 U CN 205828564U CN 201620672633 U CN201620672633 U CN 201620672633U CN 205828564 U CN205828564 U CN 205828564U
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- China
- Prior art keywords
- cover plate
- negative pole
- aluminum hull
- pole cover
- aluminum
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of low-cost aluminum structure lithium ion battery, including aluminum hull, lithium-ion electric core, negative pole conflux disk, positive pole cover plate and negative pole cover plate；Positive pole cover plate and negative pole cover plate lay respectively at the two ends up and down of aluminum hull, and both positive and negative polarity cover plate is additionally provided with contact terminal；This utility model simple in construction, negative pole cover plate directly welds negative pole conflux disk, negative pole conflux disk welding electric core negative lug, battery core positive pole welds with aluminum casing bottom, negative cover seals with aluminum hull and welds, and both positive and negative polarity cover plate directly seals with aluminum hull and welds, and production stage is the simplest, lithium ion battery accessory is less, it is possible to reduce lithium ion battery internal resistance；Both positive and negative polarity cover plate end face uses aluminium material processing simultaneously, can improve speed of welding, but also can reduce production cost when assembling；Also have the change of fine aluminium structure so that fluid injection mode also changes, first welding positive pole cover plate and aluminum hull, rear fluid injection and sealed cell, decrease welding battery and the problem such as scrap, improve and produce qualification rate.
Description
Technical field
This utility model belongs to lithium battery field of general technology, is specifically related to a kind of low-cost aluminum structure lithium ion battery.
Background technology
Along with the fast development of lithium ion battery industry, more and more higher to the performance requirement of lithium ion, market simultaneously
Under competitive pressure, lithium ion battery cost is reduced.Electrokinetic cell is in vehicle operation, it is desirable to battery-heating is little, power
Height, simultaneously in car running jolt and collision etc. a series of in the case of, it is desirable to keep the stability of battery performance；?
Under the overall situation of market, needing performance high, competitively priced electrokinetic cell promotes the advance of industry；Both combinations, need skill
Breakthrough in art.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, existing provide a kind of simple in construction, easy to use, set
Count rational low-cost aluminum structure lithium ion battery.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of low-cost aluminum structure lithium ion
Battery, its innovative point is: include aluminum hull, lithium-ion electric core, negative pole conflux disk, positive pole cover plate and negative pole cover plate；Described positive pole
Cover plate and negative pole cover plate lay respectively at the two ends up and down of aluminum hull, and described both positive and negative polarity cover plate further respectively has contact terminal；
It is provided with upper and lower cavity and interlayer in described aluminum hull, described interlayer is provided with liquid injection hole, intracavity on described aluminum hull
Being sequentially connected with lithium-ion electric core, negative pole conflux disk and negative pole cover plate from bottom to up, described negative pole cover plate seals with aluminum hull and welds, institute
State positive pole cover plate to be arranged under aluminum hull on accent, and with aluminum hull seal weld, described positive pole cover plate is additionally provided with explosion-proof valve,
Fluid injection aperture, ball sealer and screw.
Further, described positive pole cover plate is pure aluminum material, and described negative pole cover plate is rivet arrangement, and described negative pole cover plate is adopted
Connect sheet, aluminium flake and contact terminal with copper rivet, copper and seal fitting combined rivet forms.
Further, the connection sealing means between described negative pole cover plate and aluminum hull is that laser welds continuously, described negative pole
Connected mode between cover plate with negative pole conflux disk is that laser spots is welded, between described negative pole conflux disk and lithium-ion electric core negative pole
The mode taking laser spots to weld is attached, and takes laser spots to weld between described lithium-ion electric core positive pole and aluminum hull bottom
Mode is attached, and the connection sealing means between described positive pole cover plate and aluminum hull is that laser welds continuously.
The beneficial effects of the utility model are as follows: this utility model simple in construction, and negative pole cover plate directly welds negative pole and confluxes
Dish, negative pole conflux disk welding electric core negative lug, battery core positive pole welds with aluminum casing bottom, and negative cover seals with aluminum hull and welds, just
Negative pole cover plate directly seals with aluminum hull and welds, and production stage is very simple, and lithium ion battery accessory is less, it is possible to reduce lithium ion
The internal resistance of cell；Both positive and negative polarity cover plate end face uses aluminium material processing simultaneously, can improve speed of welding when assembling, but also can
Reduce production cost；Also has the change of fine aluminium structure so that fluid injection mode also changes, first welding positive pole cover plate and aluminum
Shell, rear fluid injection and sealed cell, decrease welding battery and the problem such as scrap, improve and produce qualification rate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be by this
Content disclosed by description understands other advantages of the present utility model and effect easily.
Being illustrated in figure 1 structural representation of the present utility model, a kind of low-cost aluminum structure lithium ion battery, including aluminum hull
4, lithium-ion electric core 3, negative pole conflux disk 2, positive pole cover plate 8 and negative pole cover plate 1；Positive pole cover plate 8 and negative pole cover plate 1 lay respectively at aluminum
The two ends up and down of shell 4, both positive and negative polarity cover plate further respectively has contact terminal；
It is provided with upper and lower cavity and interlayer in aluminum hull 4, interlayer is provided with liquid injection hole, depends on from bottom to up in aluminum hull 4 epicoele 9
Secondary connection lithium-ion electric core 3, negative pole conflux disk 2 and negative pole cover plate 1, negative pole cover plate 1 seals with aluminum hull 4 and welds, and positive pole cover plate 8 sets
Put on 4 times accents of aluminum hull, and weld with aluminum hull 4 sealing, positive pole cover plate 8 is additionally provided with explosion-proof valve 12, fluid injection aperture 10,
Ball sealer 11 and screw 13.
Positive pole cover plate 8 is pure aluminum material, and negative pole cover plate 1 is rivet arrangement, negative pole cover plate 1 use copper rivet, copper connect sheet,
Aluminium flake and contact terminal and seal fitting combined rivet form.
Connection sealing means between negative pole cover plate 1 with aluminum hull 4 is that laser welds continuously, and negative pole cover plate 1 confluxes with negative pole
Connected mode between dish 2 is laser spots welding, takes laser spots to weld between negative pole conflux disk 2 with lithium-ion electric core 3 negative pole
Mode be attached, the mode taking laser spots to weld between lithium-ion electric core 3 positive pole with aluminum hull 4 bottom is attached, just
Connection sealing means between polar cap plate 8 with aluminum hull 4 is that laser welds continuously.
This utility model simple in construction, negative pole cover plate 1 directly welds negative pole conflux disk 2, and negative pole conflux disk 2 welding electric core is born
Pole lug, battery core 3 positive pole and aluminum hull 4 bottom welding, negative pole cover plate 1 seals with aluminum hull 4 and welds, and positive and negative polar cap 8 is direct and aluminum hull 4
Sealing welding, production stage is very simple, and lithium ion battery accessory is less, it is possible to reduce lithium ion battery internal resistance；The most positive and negative
Polar cap plate end face uses aluminium material processing, can improve speed of welding, but also can reduce production cost when assembling；Also have
The change of fine aluminium structure so that fluid injection mode also changes, first welding positive pole cover plate 8 and aluminum hull 4, rear fluid injection and sealing electricity
Pond, decreases welding battery and the problem such as scraps, improve and produce qualification rate.
Operation principle: negative pole cover plate 1 is connected with negative pole conflux disk 2 laser spot welding, negative pole conflux disk 2 and battery core 3 laser spots
Weldering connects, and battery core 3 is connected with cavity interlayer 6 laser spot welding；Aluminum hull epicoele 7 put into by negative pole cover plate 1, by the laser side of welding continuously
Formula seals with aluminum hull 4, and positive pole cover plate 8 is placed in aluminum hull cavity of resorption 7, is sealed with aluminum hull 4 by the continuous welding manner of laser, finally will
Positive pole cover plate 8 is placed under aluminum hull placement intracavity 7, is sealed by laser welding mode with aluminum hull 4 by positive pole cover plate 6, by electrolyte
Inject from fluid injection aperture 10, by interlayer liquid injection hole 5, after reservoir quantity reaches standard, put into ball sealer 11, then twist screw
13。
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into
In the range of the rights protection of this utility model patent.
Claims (3)
1. a low-cost aluminum structure lithium ion battery, it is characterised in that: include aluminum hull, lithium-ion electric core, negative pole conflux disk, just
Polar cap plate and negative pole cover plate；Described positive pole cover plate and negative pole cover plate lay respectively at the two ends up and down of aluminum hull, described both positive and negative polarity cover plate
On further respectively have contact terminal；
Be provided with upper and lower cavity and interlayer in described aluminum hull, described interlayer be provided with liquid injection hole, on described aluminum hull intracavity under
Supreme lithium-ion electric core, negative pole conflux disk and the negative pole cover plate of being sequentially connected with, described negative pole cover plate and aluminum hull seal and weld, described just
Polar cap plate is arranged under aluminum hull on accent, and welds with aluminum hull sealing, and described positive pole cover plate is additionally provided with explosion-proof valve, fluid injection
Aperture, ball sealer and screw.
A kind of low-cost aluminum structure lithium ion battery the most according to claim 1, it is characterised in that: described positive pole cover plate is
Pure aluminum material, described negative pole cover plate is rivet arrangement, and described negative pole cover plate uses copper rivet, copper to connect sheet, aluminium flake and electrode and connects
Contravention and seal fitting combined rivet form.
A kind of low-cost aluminum structure lithium ion battery the most according to claim 1, it is characterised in that: described negative pole cover plate with
Connection sealing means between aluminum hull is that laser welds continuously, and the connected mode between described negative pole cover plate and negative pole conflux disk is
Laser spots is welded, and the mode taking laser spots to weld between described negative pole conflux disk and lithium-ion electric core negative pole is attached, institute
State the mode taking laser spots to weld between lithium-ion electric core positive pole with aluminum hull bottom to be attached, described positive pole cover plate and aluminum hull
Between connection sealing means be that laser welds continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672633.1U CN205828564U (en) | 2016-06-30 | 2016-06-30 | A kind of low-cost aluminum structure lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672633.1U CN205828564U (en) | 2016-06-30 | 2016-06-30 | A kind of low-cost aluminum structure lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205828564U true CN205828564U (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620672633.1U Active CN205828564U (en) | 2016-06-30 | 2016-06-30 | A kind of low-cost aluminum structure lithium ion battery |
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| Country | Link |
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| CN (1) | CN205828564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025342A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Low-cost aluminum-structured lithium ion battery |
-
2016
- 2016-06-30 CN CN201620672633.1U patent/CN205828564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025342A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Low-cost aluminum-structured lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170601 Address after: 226463 Zhongtian village, Hekou Town, Rudong County, Jiangsu Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Address before: Hongxing economic and Technological Development Zone, Jiangsu province Nantong City Road 226000 No. 36 Patentee before: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170714 Address after: Hongxing economic and Technological Development Zone, Jiangsu province Nantong City Road 226000 No. 36 Patentee after: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. Address before: 226463 Zhongtian village, Hekou Town, Rudong County, Jiangsu Patentee before: Zhongtian Science and Technology Co., Ltd., Jiangsu |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180109 Address after: 226463 Zhongtian village, Hekou Town, Rudong County, Jiangsu Co-patentee after: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Address before: Hongxing economic and Technological Development Zone, Jiangsu province Nantong City Road 226000 No. 36 Patentee before: ZHONGTIAN ENERGY STORAGE TECHNOLOGY CO., LTD. |