CN203013809U - Cover plate structure for square aluminum shell power lithium-ion battery - Google Patents
Cover plate structure for square aluminum shell power lithium-ion battery Download PDFInfo
- Publication number
- CN203013809U CN203013809U CN2012206904909U CN201220690490U CN203013809U CN 203013809 U CN203013809 U CN 203013809U CN 2012206904909 U CN2012206904909 U CN 2012206904909U CN 201220690490 U CN201220690490 U CN 201220690490U CN 203013809 U CN203013809 U CN 203013809U
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- negative pole
- aluminum cover
- positive
- negative
- 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
Abstract
The utility model provides a cover plate structure used for a square aluminum shell power lithium-ion battery, which comprises a positive pole and a negative pole. The cover plate structure also comprises an aluminum cover plate, wherein both the positive pole and the negative pole are installed on the aluminum cover plate. The cover plate structure further comprises a positive strap and negative strap, wherein the positive strap and the negative strap are used for being directly connected with a positive plate lug and a negative plate lug of a plate group respectively, and also installed on the aluminum cover plate; and the positive pole is connected with the positive strap, the positive pole is connected with the negative strap, and the positive pole, the positive strap, the negative pole and the negative strap are all insulated from the aluminum cover plate. The cover plate structure can be used for winding or lamination of the square aluminum shell power lithium-ion battery and manufacture of the lithium-ion battery with positive and negative plate plugs at different ends and a positive electrode and a negative electrode at the same end, can take into account for the required conductivity of a large power battery and the operability of the operation process, and has the advantages of high efficiency, high reliability, strong overcurrent capability, good heat-dissipation effect and the like, and is simple to operate.
Description
Technical field
The utility model relates to the covering plate structure of shell with square aluminum power-type lithium ion battery, is used for coiling or laminated type and utmost point group's positive and negative lug heterodoxy but battery plus-negative plate is made with the power-type lithium ion battery of end.
Background technology
At present in lithium ion battery with aluminum shell production field power-type lithium ion battery field particularly, there are many producers to adopt the structure of the different ends of both positive and negative polarity to make, it is little that the battery that this technique is made has internal resistance, the advantage of good rate capability, be applicable to the higher scene of performance requirement, as pure electric automobile, hybrid vehicle etc.But this complex operation is especially operation difficulty especially in the battery of shell mechanism at the steel aluminum hull, and also trouble of the connection of this structure in battery pack in actual applications.And Japanese soup shallow develop utmost point group both positive and negative polarity heterodoxy but battery plus-negative plate with the end structure after, make and connect just more more convenient than before, but in present this technique, the connection of lug is to perplex one of difficult problem in the industry, one of reason is exactly that most of producers are for guaranteeing space availability ratio and electric conductivity, all lug is made thick and narrow structure, this thinking causes the power requirement of welding equipment high, and because the operation of brace much higher hard is extremely difficult.On the other hand, electrokinetic cell has the advantages that capacity is large, electric current is large, and produces easily in the lug junction that caloric value is large, heat radiation is bad, thereby causes safety issue and battery performance variation.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery, and it can take into account the operability of the required conductive capability of large-sized power battery and manufacturing process.For this reason, the utility model by the following technical solutions: it comprises Positive Poles and negative pole pole; Described covering plate structure also is provided with Aluminum cover, and described Positive Poles and negative pole pole are installed on Aluminum cover; Described covering plate structure also is provided with positive strap and negative pole brace, and described positive strap is connected directly be connected with the utmost point group anode ear and is connected with negative electrode lug with the negative pole brace, and described positive strap and negative pole brace also are arranged on Aluminum cover; Positive Poles is connected with positive strap, and the negative pole pole is connected with the negative pole brace, and they all insulate with Aluminum cover.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
Described Positive Poles is connected the first rivet and is connected and be arranged on Aluminum cover with positive strap, the negative pole pole is connected the second rivet and connects and be arranged on Aluminum cover with the negative pole brace, and described the first rivet, the second rivet are all and the Aluminum cover insulation.
Described positive strap is connected the connected mode that anode ear is connected with negative electrode lug and is welding or rivet with utmost point group with the negative pole brace.
Described Positive Poles is connected 4 or more the first rivets and is connected and be arranged on Aluminum cover with positive strap, the negative pole pole is connected 4 or more the second rivets and connects and be arranged on Aluminum cover with the negative pole brace.
Positive strap and negative pole brace are aluminium flake or copper sheet, and its width is at 20mm-120mm, and thickness is at 0.2mm-1mm.
Aluminum cover is provided with explosion-proof valve, liquid injection hole and steam vent.
Described positive strap and Aluminum cover, negative pole brace and Aluminum cover, the first rivet and Aluminum cover, the second rivet and Aluminum cover, Positive Poles and Aluminum cover, negative pole pole and Aluminum cover insulate by insulating barrier.
The utility model can be used for shell with square aluminum power type coiling or lamination and utmost point group's positive and negative lug heterodoxy but battery plus-negative plate with the making of the lithium ion battery of end.Owing to adopting the technical solution of the utility model, the utility model can be made brace thin and wide structure by structural design cleverly when guaranteeing electric conductivity, in the situation that guarantee that the brace conductive cross-sectional area has reduced the hardness of brace, make the brace to have better flexibility, taken into account the required conductive capability of large-sized power battery and the operability of manufacturing process; The utlity model has simple to operate, efficient is high, reliability is high, overcurrent capability is strong and the advantage such as good heat dissipation effect, thereby fundamentally solved the said problem of background technology.Simultaneously, thinner brace makes in operation process plant capacity and stability requirement is reduced greatly, can reduce the input of equipment and the energy consumption of saving operation process.Therefore the utlity model has very high practical value and market prospects, especially have application space widely in jumbo aluminum hull energy-storage battery, electrokinetic cell field.
Description of drawings
Fig. 1 is the front view of embodiment provided by the utility model.
Fig. 2 is the vertical view of embodiment provided by the utility model.
Fig. 3 is the A-A cutaway view of the utility model insulation system.
Fig. 4 is the schematic perspective view of embodiment provided by the utility model.
Embodiment
With reference to accompanying drawing.The utility model comprises Positive Poles 11 and negative pole pole 12; Described covering plate structure also is provided with Aluminum cover 2, and described Positive Poles 11 and negative pole pole 12 are installed on Aluminum cover 2; Described covering plate structure also is provided with positive strap 4 and negative pole brace 5, and described positive strap 4 is connected with the negative pole brace and is respectively used to directly be connected with the utmost point group anode ear and is connected with negative electrode lug, and described positive strap 4 and negative pole brace 5 also are arranged on Aluminum cover 2; Positive Poles 11 is connected connection with positive strap, negative pole pole 12 is connected connection with the negative pole brace, and they all insulate with Aluminum cover.
Described Positive Poles 11 is connected with positive strap and is connected and be arranged on Aluminum cover 2 by the first rivet 31, negative pole pole 12 is connected with the negative pole brace and is connected and be arranged on Aluminum cover 2 by the second rivet 32, and described the first rivet 31, the second rivet 32 are all and Aluminum cover 2 insulation.
In the utility model, described positive strap 4 is connected respectively, and the direct anode ear of being connected with utmost point group is connected with negative electrode lug with the negative pole brace, when the utmost point group with battery core is connected to pole, direct anode ear and the connected mode of negative electrode lug by welding or riveting with utmost point group, be connected on positive strap 4 and negative pole brace 5, can fulfil assignment.
In the present embodiment, described Positive Poles 11 is connected with positive strap and is connected and be arranged on Aluminum cover 2 by 4 or more the first rivets 31, and negative pole pole 12 is connected with the negative pole brace and is connected and be arranged on Aluminum cover 2 by 4 or more the second rivets 32; Guarantee reliability and the electric conductivity of connection.
In the present embodiment, positive strap 4 and negative pole brace 5 are aluminium flake or copper sheet, and its width is at 20mm-120mm, and thickness is at 0.2mm-1mm.Make existing certain flexible while of positive strap 4 and negative pole brace 5 also can guarantee the conductive capability of brace.
Described positive strap 4 and Aluminum cover, negative pole brace 5 and Aluminum cover, Positive Poles 11 and Aluminum cover, negative pole pole 12 and Aluminum cover are by insulating barrier 6 insulation.The first rivet 31 and Aluminum cover, the second rivet 32 and Aluminum cover also insulate by insulating barrier.
Claims (7)
1. a covering plate structure that is used for the shell with square aluminum power-type lithium ion battery, comprise Positive Poles (11) and negative pole pole (12); It is characterized in that, described covering plate structure also is provided with Aluminum cover (2), and described Positive Poles (11) and negative pole pole (12) are installed on Aluminum cover; Described covering plate structure also is provided with positive strap (4) and negative pole brace (5), described positive strap (4) is connected 5 with the negative pole brace) be respectively used to directly be connected with the utmost point group anode ear and be connected with negative electrode lug, described positive strap (4) and negative pole brace (5) also are arranged on Aluminum cover; Positive Poles (11) is connected 4 with positive strap) connect, negative pole pole (12) is connected 5 with the negative pole brace) connect, and they all insulate with Aluminum cover.
2. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 1, it is characterized in that, described Positive Poles (11) is connected 4 with positive strap) connect and be arranged on Aluminum cover (2) by the first rivet (31), negative pole pole (12) is connected 5 with the negative pole brace) connect and be arranged on Aluminum cover (2) by the second rivet (32), described the first rivet (31), the second rivet (32) are all and Aluminum cover (2) insulation.
3. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 1, is characterized in that, described positive strap (4) is connected 5 with the negative pole brace) be connected the connected mode that anode ear is connected with negative electrode lug with utmost point group and be welding or rivet.
4. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 2, it is characterized in that, described Positive Poles (11) is connected 4 with positive strap) connect and be arranged on Aluminum cover (2) by 4 or more the first rivets (31), negative pole pole (12) is connected 5 with the negative pole brace) connect and be arranged on Aluminum cover (2) by 4 or more the second rivets (32).
5. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 1, is characterized in that, positive strap (4) and negative pole brace (5) are aluminium flake or copper sheet, and its width is at 20mm-120mm, and thickness is at 0.2mm-1mm.
6. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 1, is characterized in that, Aluminum cover (2) is provided with explosion-proof valve (7), liquid injection hole (8) and steam vent (9).
7. a kind of covering plate structure for the shell with square aluminum power-type lithium ion battery as claimed in claim 1, it is characterized in that, described positive strap (4) and Aluminum cover, negative pole brace (5) and Aluminum cover, the first rivet (31) and Aluminum cover, the second rivet (32) and Aluminum cover, Positive Poles (11) and Aluminum cover, negative pole pole (12) and Aluminum cover insulate by insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206904909U CN203013809U (en) | 2012-12-13 | 2012-12-13 | Cover plate structure for square aluminum shell power lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206904909U CN203013809U (en) | 2012-12-13 | 2012-12-13 | Cover plate structure for square aluminum shell power lithium-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013809U true CN203013809U (en) | 2013-06-19 |
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ID=48605372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206904909U Expired - Lifetime CN203013809U (en) | 2012-12-13 | 2012-12-13 | Cover plate structure for square aluminum shell power lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013809U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870363A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Lithium battery cover plate |
| 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 |
| CN114597556A (en) * | 2022-03-07 | 2022-06-07 | 溧阳中科海钠科技有限责任公司 | Sodium ion electricity core aluminum hull apron |
-
2012
- 2012-12-13 CN CN2012206904909U patent/CN203013809U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870363A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Lithium battery cover plate |
| 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 |
| CN114597556A (en) * | 2022-03-07 | 2022-06-07 | 溧阳中科海钠科技有限责任公司 | Sodium ion electricity core aluminum hull apron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160624 Address after: 310013 No. 50 Bauhinia Road, Zhejiang, Hangzhou Patentee after: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee after: HANGZHOU NANDU POWER TECHNOLOGY Co.,Ltd. Address before: 310013 No. 50 Bauhinia Road, Zhejiang, Hangzhou Patentee before: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee before: Hangzhou Narada Battery Co. Patentee before: Hangzhou Narada Energy Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |