CN102842687A - Whole battery cover plate of lithium ion battery - Google Patents
Whole battery cover plate of lithium ion battery Download PDFInfo
- Publication number
- CN102842687A CN102842687A CN2012103517275A CN201210351727A CN102842687A CN 102842687 A CN102842687 A CN 102842687A CN 2012103517275 A CN2012103517275 A CN 2012103517275A CN 201210351727 A CN201210351727 A CN 201210351727A CN 102842687 A CN102842687 A CN 102842687A
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- battery
- cover plate
- lithium ion
- main body
- battery cover
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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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- Secondary Cells (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses a whole battery cover plate of a lithium ion battery. The whole battery cover plate comprises a battery cover plate main body (1), a battery anode post (2) and a battery cathode post (5) are arranged at the top of the battery cover plate main body (1); a safety valve (3) is arranged on the battery cover plate main body (1), and a liquid injecting hole (4) is formed on the battery cover plate main body (1); the battery cover plate main body (1) and any one of or multiple of the battery anode post (2), a battery cathode post (5), the safety valve (3) and the liquid injecting hole (4) are integrally molded. According to the whole battery cover plate of the lithium ion battery disclosed by the invention, the assembly efficiency of the lithium ion battery is improved greatly, the production cost of the battery is lowered, the sealing property of the lithium ion battery is ensured, meanwhile, the air tightness of the battery is ensured, so that the safety use of the lithium ion battery is ensured, the service life of the battery is prolonged greatly, and the market prospect is improved greatly.
Description
Technical field
The present invention relates to the battery technology field, particularly relate to a kind of integral battery door cover plate of lithium ion battery.
Background technology
At present; Advantages such as lithium ion battery has the specific energy height, recycles often, memory time is long; Not only on portable electric appts, be used widely, and be widely used in big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool like mobile phone, DV and laptop computer.
Along with worldwide energy crisis and climate warming; Traffic and transport field presses for a kind of brand-new energy mode; And lithium ion battery is because of its environmental protection; Characteristics such as high-energy output have caused the extensive concern of traffic and transport field, at present, in the world wide relevant industries all to lithium ion battery at the application start in this field extensive studies along with the maturation of electric vehicle engineering and perfect day by day; The dream that electric automobile and hybrid vehicle are come into daily life has become possibility, and in the process that electric automobile is popularized, is breeding huge business opportunity.And the quality of vehicle-mounted great-capacity power battery performance directly affects the overall performance of electric automobile.This is electric automobile vehicle mounted dynamic battery have higher requirement (such as will having higher fail safe, more outstanding performance, weight is lighter).
Current; The reliability of battery, fail safe also are technological difficulties and emphasis, the particularly battery high leakproofness in manufacturing process in the great-capacity power battery manufacturing process, and high capacity cell requires strict more to battery air tightness now; If battery capacity is high; Inner pressure of battery is higher relatively, makes the easy leakage of parts or the gas leakage of assembling of battery, can cause very big potential safety hazard and forms the electrolyte volatilization, causes problem such as battery performance life-span decay to battery.In addition, in the lithium battery use, if when battery electrode column and sealing ring tightness are bad; To suck airborne moisture in the battery and mix, and perhaps cause the dry formation of the electrolyte volatilization crystallization of inside battery, thereby will cause battery performance and cycle life decay with the interior electric liquid of battery; Internal resistance increases; Influence the various performance parameters of lithium battery, finally cause battery can't continue to use the serious fail safe that also can cause battery.
Therefore, press for a kind of technology of developing at present, it can improve the efficient of the assembling of lithium ion battery greatly; Guarantee the sealing of lithium ion battery; Guarantee battery air tightness simultaneously, thereby guarantee the lithium ion battery safe handling, and prolong the useful life of battery greatly.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of integral battery door cover plate of lithium ion battery, it can improve the efficient of the assembling of lithium ion battery greatly; Reduce the production cost of battery, guarantee the sealing of lithium ion battery, guarantee battery air tightness simultaneously; Thereby guarantee the lithium ion battery safe handling, and prolong the useful life of battery greatly, effectively improved the competitiveness of product in market; Help using aborning widely, be of great practical significance.
For this reason, the invention provides a kind of integral battery door cover plate of lithium ion battery, include the battery cover board main body, said battery cover board main body top is provided with anode pole and battery cathode pole;
Said battery cover board main body is provided with a safety valve, has a liquid injection hole on the said battery cover board main body;
One or more is one-body molded for any in said battery cover board main body and said anode pole, battery cathode pole, safety valve and the liquid injection hole.
Wherein, said battery cover board main body, anode pole, battery cathode pole, safety valve and liquid injection hole are one-body molded.
Wherein, said anode pole and battery cathode pole lay respectively at said battery cover board main body top right ends.
Wherein, said safety valve and liquid injection hole are on the said battery cover board main body between said anode pole and the battery cathode pole, and said liquid injection hole is positioned at the right of said safety valve.
Visible by above technical scheme provided by the invention, compared with prior art, the invention provides a kind of integral battery door cover plate of lithium ion battery; It can improve the efficient of the assembling of lithium ion battery greatly, reduces the production cost of battery, guarantees the sealing of lithium ion battery; Guarantee battery air tightness simultaneously; Thereby guarantee the lithium ion battery safe handling, and prolong the useful life of battery greatly, effectively improved the competitiveness of product in market; Help using aborning widely, be of great practical significance.
Description of drawings
Fig. 1 is the syndeton sketch map of the integral battery door cover plate of a kind of lithium ion battery provided by the invention;
Among the figure: 1 is the battery cover board main body, and 2 is the anode pole, and 3 is safety valve, and 4 is liquid injection hole, and 5 is battery cathode pole.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and execution mode.
Referring to Fig. 1, the invention provides a kind of integral battery door cover plate of lithium ion battery, include battery cover board main body 1, said battery cover board main body 1 top right ends is respectively arranged with anode pole 2 and battery cathode pole 5.
On concrete the realization, said anode pole 2 is that cross section is circular pole with battery cathode pole 5.
In the present invention, said battery cover board main body 1 is provided with a safety valve 3, has a liquid injection hole 4 on the said battery cover board main body 1, and said liquid injection hole 4 is a through hole, conveniently to inject electrolyte to inside lithium ion cell.
On concrete the realization, said safety valve 3 and liquid injection hole 4 specifically can be on the said battery cover board main bodys 1 between said anode pole 2 and the battery cathode pole 5, and said liquid injection hole 4 is positioned at the right of said safety valve 3.
In the present invention; Sealing for the battery cover board that guarantees lithium ion battery is designed to integrated formed structure with battery cover board, and promptly said anode pole 2, battery cathode pole 5, safety valve 3 and liquid injection hole 4 one-body molded (when Foundry Production) are in said battery cover board main body 1; That is to say; Said battery cover board main body 1, anode pole 2, battery cathode pole 5, safety valve 3 and liquid injection hole 4 are one-body molded, are the battery cover boards of an integral body, therefore; Integral battery door cover plate for lithium ion battery provided by the invention; It can guarantee good sealing property between battery cover board main body 1 and anode pole 2, battery cathode pole 5, safety valve 3, the liquid injection hole 4, thereby avoids in the lithium battery use because battery electrode column, will suck airborne moisture and mix with the interior electric liquid of battery when bad with sealing ring tightness in the battery; Perhaps cause the dry formation of the electrolyte volatilization crystallization of inside battery; Avoid decay of battery performance and cycle life and internal resistance to increase, guarantee the safety in utilization of lithium ion battery, simultaneously owing to need not again assemble cover plate main body 1, anode pole 2, battery cathode pole 5, safety valve 3 and liquid injection hole 4; Therefore can improve the efficient of lithium ion battery assembling greatly, reduce the production cost of battery.
On concrete the realization; Needs of production according to battery production producer; Be not limited to said battery cover board main body 1, anode pole 2, battery cathode pole 5, safety valve 3 and liquid injection hole 4 all parts one-body molded when producing together; For the present invention, said battery cover board main body 1 can also with said anode pole 2, battery cathode pole 5, safety valve 3 and liquid injection hole 4 in any one or more is one-body molded when producing, improve the efficient of lithium ion battery assembling to a certain extent; Reduce the production cost of battery, make things convenient for the actual production operation of battery production producer.
On concrete the realization, the cover plate that said battery cover board main body 1 can be processed for the heat conductivility good metal for example can be aluminium cover plate.
Need to prove that for the integral battery door cover plate of a kind of lithium ion battery provided by the invention, it is preferably and is applicable in the jumbo lithium ion battery.
In sum, compared with prior art, the integral battery door cover plate of a kind of lithium ion battery provided by the invention; It can improve the efficient of the assembling of lithium ion battery greatly, reduces the production cost of battery, guarantees the sealing of lithium ion battery; Guarantee battery air tightness simultaneously, thereby guarantee the lithium ion battery safe handling, and prolong the useful life of battery greatly; Effectively improved the competitiveness of product in market, helped using aborning widely, be of great practical significance.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. the integral battery door cover plate of a lithium ion battery is characterized in that, includes battery cover board main body (1), and said battery cover board main body (1) top is provided with anode pole (2) and battery cathode pole (5);
Said battery cover board main body (1) is provided with a safety valve (3), has a liquid injection hole (4) on the said battery cover board main body (1);
One or more is one-body molded for any in said battery cover board main body (1) and said anode pole (2), battery cathode pole (5), safety valve (3) and the liquid injection hole (4).
2. integral battery door cover plate as claimed in claim 1 is characterized in that, said battery cover board main body (1), anode pole (2), battery cathode pole (5), safety valve (3) and liquid injection hole (4) are one-body molded.
3. integral battery door cover plate as claimed in claim 1 is characterized in that, said anode pole (2) and battery cathode pole (5) lay respectively at said battery cover board main body (1) top right ends.
4. like each described integral battery door cover plate in the claim 1 to 3; It is characterized in that; Said safety valve (3) and liquid injection hole (4) are positioned on the said battery cover board main body (1) between said anode pole (2) and the battery cathode pole (5), and said liquid injection hole (4) is positioned at the right of said safety valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103517275A CN102842687A (en) | 2012-09-21 | 2012-09-21 | Whole battery cover plate of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103517275A CN102842687A (en) | 2012-09-21 | 2012-09-21 | Whole battery cover plate of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102842687A true CN102842687A (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103517275A Pending CN102842687A (en) | 2012-09-21 | 2012-09-21 | Whole battery cover plate of lithium ion battery |
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| CN (1) | CN102842687A (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 |
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
| CN115832648A (en) * | 2021-11-05 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery, electric device, battery monomer and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270262Y (en) * | 2008-10-08 | 2009-07-08 | 天津力神电池股份有限公司 | Pole column sealing structure for large capacity lithium ionic power cell |
| CN201556648U (en) * | 2009-06-03 | 2010-08-18 | 包雄伟 | Top cap of rechargeable battery and packaging shell thereof |
| CN102136554A (en) * | 2007-04-12 | 2011-07-27 | 日本轻金属株式会社 | Aluminum alloy sheet for battery cover and its production method |
-
2012
- 2012-09-21 CN CN2012103517275A patent/CN102842687A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136554A (en) * | 2007-04-12 | 2011-07-27 | 日本轻金属株式会社 | Aluminum alloy sheet for battery cover and its production method |
| CN201270262Y (en) * | 2008-10-08 | 2009-07-08 | 天津力神电池股份有限公司 | Pole column sealing structure for large capacity lithium ionic power cell |
| CN201556648U (en) * | 2009-06-03 | 2010-08-18 | 包雄伟 | Top cap of rechargeable battery and packaging shell thereof |
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 |
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
| CN115832648A (en) * | 2021-11-05 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery, electric device, battery monomer and manufacturing method thereof |
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Application publication date: 20121226 |