CN103066236A - Lithium battery and electrode link module thereof - Google Patents
Lithium battery and electrode link module thereof Download PDFInfo
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- CN103066236A CN103066236A CN2011103270865A CN201110327086A CN103066236A CN 103066236 A CN103066236 A CN 103066236A CN 2011103270865 A CN2011103270865 A CN 2011103270865A CN 201110327086 A CN201110327086 A CN 201110327086A CN 103066236 A CN103066236 A CN 103066236A
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- coupling assembling
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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 invention relates to an electrode link module of a lithium battery. The electrode link module comprises a battery cover plate and at least an electrode linker installed on the battery cover plate, wherein each electrode linker comprises a single linking component, a plurality of sealing rings and a nut; the single linking component runs through the battery cover plate; the plurality of sealing rings are installed on the battery cover plate; the single linking component runs through the middle of the sealing rings; the nut is locked on the single linking component and presses the sealing rings on the battery cover plate; the single linking component is provided with a fixed plate and an anti-rotation part; and the dimensions of the fixed plate and the anti-rotation part are greater than the dimensions of openings in the sealing rings and the nut. Besides, the invention also provides a lithium battery.
Description
Technical field
The present invention relates to a kind of lithium battery and electrode connecting module thereof, and particularly relate to a kind of lithium Fe battery and electrode connecting module thereof.
Background technology
Since the electric motor car development, what be applied to the earliest battery of electric vehicle is lead acid accumulator, and lead acid accumulator is because cost is low, cost performance is high, also is a kind of battery of electric vehicle that is most widely used nowadays.
And in future, lithium battery will become the direction of electrokinetic cell development undoubtedly.Lithium battery is lightweight, energy storage is large, pollution-free, but at present because technical limitations, its application on power car is also very limited.In view of this, the business opportunity in the good lithium battery market of industry, the research and development production of carrying out on a large scale dropping into lithium battery, the technology of iron lithium phosphate battery is maked rapid progress especially recently.
Adopt lithium and cobalt oxides to be called again lithium cobalt battery as the lithium battery of positive electrode, lithium cobalt battery is except the advantage with high-capacitance and high-energy-density, and the performance of temperature characterisitic and battery life is also original.Yet the Product Safety of lithium cobalt battery allows people's worry, and mobile computer and mobile phone kept pouring in the danger peace event of lithium battery especially in recent years, more so that the consumer descend for the degree of belief of lithium cobalt battery.
The Product Safety of iron lithium phosphate battery is far above lithium cobalt battery, but iron lithium phosphate conduction problem still waits to improve, especially take fail safe, increase the battery charge capacity and reduce cost as three great development main shafts.The iron lithium phosphate battery has many advantages, and is good such as hot properties, have extended cycle life and the cost of material is low etc., and the fail safe of iron lithium phosphate battery is best in the positive electrode of lithium battery at present especially.The iron lithium phosphate battery has safe and the advantage such as the life-span is long, but its encapsulation is connected the space that still has further improvement with electrode, so that the use of iron lithium phosphate battery is more extensive and safety.
Summary of the invention
One object of the present invention is to provide a kind of electrode connecting module of lithium battery, and described electrode connecting module can be used for coupling the conducting terminal of lithium battery, with convenient encapsulation lithium battery, improves the quality of lithium battery.
Another object of the present invention is to provide a kind of electrode connecting module of lithium battery, described electrode connecting module has integrated monomer-type coupling assembling, this monomer-type coupling assembling has outside terminal and the inner fixed head that single conductive component consists of, effectively to improve the quality of lithium battery.
Therefore, the invention provides a kind of electrode of lithium cell link block, it comprises a battery cover board and is installed at least one electrode connector in the opening of battery cover board.Electrode connector comprises a monomer-type coupling assembling, via the opening of battery cover board, runs through battery cover board, a plurality of sealing ring and a nut.Wherein, the monomer-type coupling assembling comprises an outside terminal, one anti-rotation and a fixed head.Sealing ring is installed on the opening of battery cover board, and the monomer-type coupling assembling runs through by in the middle of the sealing ring.Nut lock is fixed in the monomer-type coupling assembling, and the compressing sealing ring is on battery cover board.Wherein, nut is between battery cover board and fixed head, and between anti-rotation and fixed head, and the size of anti-rotation and fixed head is greater than the internal diameter of nut.
Described sealing ring comprises that the U-shaped sealing ring and that an anti-rotation sealing ring, is coupled in battery cover board is formed at the U-shaped sealing ring with respect to the inner sealing ring of the opposite side of anti-rotation sealing ring, and wherein the size of anti-rotation and fixed head is greater than the internal diameter of anti-rotation sealing ring, U-shaped sealing ring and inner sealing ring.
Anti-rotation sealing ring also comprise an anti-rotation groove with anti-rotation coupling of monomer-type coupling assembling.Battery cover board comprises a holddown groove, is coupled with the anti-rotation flange with anti-rotation sealing ring.
Wherein, the U-shaped sealing ring is the mode of utilizing insert molding (Insert Molding), is formed between monomer-type coupling assembling and the battery cover board.Or, anti-rotation of the monomer-type coupling assembling and fixed head one of them, be after monomer-type coupling assembling and battery cover board, sealing ring and nut combination, just utilize punching press or roll forming.
In addition, the monomer-type coupling assembling also comprises a fixed part, and this fixed part is formed with screw thread, so that nut lock is fixed in the monomer-type coupling assembling, and the compressing sealing ring.
In addition, another aspect of the present invention provides a kind of lithium battery, includes described electrode of lithium cell link block, a shell and is installed on the battery among the shell, and the electrode connector of battery and electrode of lithium cell link block is electrically connected.Wherein, the monomer-type coupling assembling of described electrode connector is made of aluminum metal or copper metal.
Therefore, electrode connecting module of the present invention and the lithium battery that disposes this electrode connecting module can be installed on the nut on the electrode connector inboard of battery cover board effectively, effectively avoid the battery electrode connector to produce situation about getting loose.In addition, the monomer-type coupling assembling that consists of of plain conductor can further improve fail safe and the quality of battery.In addition, anti-rotation section, anti-rotation sealing ring, and the holddown groove of cover board body also can avoid electrode connector to produce the situation of rotation effectively when using.
Description of drawings
For above-mentioned and other purpose, feature, advantage and embodiment of the present invention are become apparent, accompanying drawing is provided, in the accompanying drawings:
Fig. 1 is the schematic diagram of lithium battery of the present invention.
Fig. 2 is the schematic diagram of a preferred embodiment of lithium battery connector of the present invention.
Fig. 3 illustrates the cut-away section schematic diagram of the preferred embodiment of Fig. 2.
Fig. 4 illustrates the vertical view of the preferred embodiment of Fig. 2.
Embodiment
Relevant detailed description of the present invention and technology contents, cooperation is illustrated as follows, yet accompanying drawing purposes as an illustration only is not for limitation the present invention.
Consult Fig. 1, the schematic diagram of its open lithium battery of the present invention.As shown in Figure 1, lithium battery 100, for example iron lithium phosphate battery (LiFePO
4), utilize a shell 110 to coat inner battery, and utilize electrode connecting module 120 to seal.Wherein, electrode connecting module 120 is formed with respectively a negative pole connector 122 and an anodal connector 124, with the delivery of electrical energy that battery is stored to required equipment.
Further consult Fig. 2 to Fig. 4.Fig. 2 illustrates the schematic diagram of a preferred embodiment of lithium battery connector of the present invention, and Fig. 3 illustrates the cut-away section schematic diagram of the preferred embodiment of Fig. 2, and Fig. 4 illustrates the vertical view of the preferred embodiment of Fig. 2, with the structure of convenient explanation electrode connecting module 200.As shown in Figure 2, electrode connecting module 200 comprises a battery cover board 210, is separately installed with an anodal connector 220 and a negative pole connector 230 on this battery cover board 210.Wherein, take negative pole connector 230 as example, negative pole connector 230 further comprises a monomer-type coupling assembling 242, an anti-rotation sealing ring 234, a U-shaped sealing ring 236, an inner sealing ring 238, a nut 240 and a terminal cover plate 260.Monomer-type coupling assembling 242 comprises fixed head 2428, be formed with opening 2429 on the fixed head 2428, and terminal cover plate 260 also has opening 262, can utilize bolt and nut, perhaps utilize other fixture, for example blind rivet or riveting fourth, effectively fixedly fixed head 2428 and terminal cover plate 260, it does not all break away from spirit of the present invention and scope.
And fixed head 2428 and terminal cover plate 260 can be used for the positive terminal that the anode film material of effectively clamping battery extends out, the perhaps negative terminal that extends out of negative film material, and utilize bolt and nut effectively to increase the strength of clamping.
Wherein, anti-rotation sealing ring 234, U-shaped sealing ring 236 and inner sealing ring 238 utilize a plurality of black boies, occur with the situation of effectively avoiding leaking.
Monomer-type coupling assembling 242 comprises that also an outside terminal 2422, one anti-rotation 2423, one wear section 2424 and a fixed part 2426.
234 of anti-rotation sealing rings are formed with an opening 2342, are formed with an anti-rotation groove 2344 around the opening.Preferably, the shape of anti-rotation groove 2344 and anti-rotation 's 2423 shape complementarity for example is square, triangle, or polygon, and generally speaking, it be circle.In the same manner, the shape of the shape of anti-rotation flange 2348 and holddown groove 2124 preferably is complementary shape, thus also can be square, triangle, or polygon, preferably be not circular.
U-shaped sealing ring 236 is clamped the both sides of cover board body 212 openings 2126, and the centre of U-shaped sealing ring 236 then is formed with an opening 2364, so that the section that wears 2424 of monomer-type coupling assembling 242 is arranged in wherein.
The below of inner sealing ring 238 comprises nut 240, locks in order to the fixed part 2426 with monomer-type coupling assembling 242.Therefore, the fixed part 2426 of monomer-type coupling assembling 242 preferably also comprises screw thread, with the thread locking of nut 240.After the fixed part 2426 that utilizes nut 240 with monomer-type coupling assembling 242 locks, utilize anti-rotation 2423 chucking power that produces of nut 240 and monomer-type coupling assembling 242, so that anti-rotation sealing ring 234, U-shaped sealing ring 236 and inner sealing ring 238 can be fixed on the cover board body 212 effectively, and increase sealing.
Anti-rotation 2423 by monomer-type coupling assembling 242 again, anti-rotation sealing ring 234, and the holddown groove 2124 of cover board body 212 can avoid electrode connector 230 to produce the situation of rotation effectively when using.And because nut 240 is the fixed parts 2426 that are fixed in monomer-type coupling assembling 242, this nut 240 is positioned among the shell of lithium battery, it is the inboard of battery cover board 210, between battery cover board 210 and the fixed head 2428242, so when using lithium battery, the user can not touch nut, can effectively avoid existing electrode of lithium cell connector to produce situation about getting loose.
Wherein, the fixed head 2429 of monomer-type coupling assembling 242 of the present invention, anti-rotation 2423 and the external dimensions of outside terminal 2422 are all greater than the opening 2364 of U-shaped sealing ring 236 and the internal diameter of nut 240.Therefore, for effective so that monomer-type coupling assembling 242 can be arranged in the opening 2364 of U-shaped sealing ring 236, the opening 2342 of anti-rotation sealing ring 234 and the opening of inner sealing ring 238, U-shaped sealing ring 236, anti-rotation sealing ring 234 and inner sealing ring 238 can utilize the mode of insert molding (Insert Molding), are formed between monomer-type coupling assembling 242 and the battery cover board 210.And nut 240 can place first monomer-type coupling assembling 242, fixed head 2429, anti-rotation 2423 and outside terminal 2422 that reshaping is required.
In one embodiment, wear section 2424 and also can have square, triangle, or polygon, shape, further to avoid the rotation of monomer-type coupling assembling 242.
In addition, monomer-type coupling assembling 242 of the present invention also can pass first the opening 2364 of U-shaped sealing ring 236, the opening 2342 of anti-rotation sealing ring 234, the opening of inner sealing ring 238 and the opening of nut 240, the mode of recycling punch forming (stamping forming), roll forming (rolling forming) or other metal forming, form size than the opening 2364 of U-shaped sealing ring 236 and anti-rotation 2423 large or the fixed head 2428 of internal diameter of nut 240, it does not all break away from spirit of the present invention and scope.
Therefore, electrode connecting module of the present invention can utilize monomer-type coupling assembling 242, have the formed outside terminal 2422 of single metal and internal terminal (fixed head 2428), effectively reduce the resistance of the electrode connecting module of battery, and then improve the quality and safety of battery.
Outside terminal 2422 preferably also can comprise screw thread, is electrically connected with other lithium battery or load with convenient.The monomer-type coupling assembling of anodal connector is preferably and utilizes the copper metal to consist of, and the monomer-type coupling assembling of negative pole connector is preferably and utilizes aluminum metal to consist of.In addition, the material of U-shaped sealing ring 236 is preferably and utilizes rubber to consist of, and for example is that natural rubber or fluorubber (Fluorine rubber) consist of.
Therefore, lithium battery of the present invention and electrode connecting module can be installed on the nut on the electrode connector among the shell of battery effectively, i.e. so the inboard of battery cover board is when using battery, the user can not touch nut, can effectively avoid the battery electrode connector to produce situation about getting loose.In addition, by the anti-rotation section of monomer-type coupling assembling, anti-rotation sealing ring, and the holddown groove of cover board body more can avoid electrode connector to produce the situation of rotation effectively when using.Moreover electrode connecting module of the present invention utilizes the monomer-type coupling assembling can further improve fail safe and the quality of battery.
Although the present invention with execution mode openly as above; so it is not to limit the present invention; any those skilled in the art can do various modifications and change without departing from the spirit and scope of the present invention, so protection scope of the present invention is defined with claims and is as the criterion.
Claims (10)
1. electrode of lithium cell link block comprises:
One battery cover board comprises at least one opening; And
At least one electrode connector is installed in this at least one opening of this battery cover board, and wherein, each this at least one electrode connector comprises:
One monomer-type coupling assembling, this opening via this battery cover board runs through this battery cover board, and wherein this monomer-type coupling assembling comprises an outside terminal, one anti-rotation and a fixed head;
A plurality of sealing rings are installed in this opening of this battery cover board, and this monomer-type coupling assembling is by running through in the middle of those sealing rings;
One nut, be locked in this monomer-type coupling assembling, and oppress those sealing rings on this battery cover board, wherein this nut is between this battery cover board and this fixed head, and between this anti-rotation and this fixed head, and the size of this anti-rotation and this fixed head is greater than the internal diameter of this nut.
2. electrode of lithium cell link block according to claim 1, wherein said sealing ring comprises:
One anti-rotation sealing ring;
One U-shaped sealing ring is coupled in this battery cover board; And
One inner sealing ring is formed at this U-shaped sealing ring with respect to the opposite side of this anti-rotation sealing ring, and wherein the size of this anti-rotation and this fixed head is greater than the internal diameter of this anti-rotation sealing ring, this U-shaped sealing ring and this inner sealing ring.
3. electrode of lithium cell link block according to claim 2, wherein said anti-rotation sealing ring comprises an anti-rotation groove.
4. electrode of lithium cell link block according to claim 3, wherein said monomer-type coupling assembling comprises an anti-rotation section, with this anti-rotation groove coupling of this anti-rotation sealing ring.
5. electrode of lithium cell link block according to claim 3, wherein said battery cover board also comprises a holddown groove, with this anti-rotation flange coupling of this anti-rotation sealing ring.
6. electrode of lithium cell link block according to claim 2, wherein said U-shaped sealing ring is the mode of utilizing insert molding, is formed between this monomer-type coupling assembling and this battery cover board.
7. electrode of lithium cell link block according to claim 1, wherein said monomer-type coupling assembling also comprises:
One fixed part is formed with screw thread, so that this nut lock is fixed in this monomer-type coupling assembling, and oppresses those sealing rings.
8. electrode of lithium cell link block according to claim 1, anti-rotation of this of wherein said monomer-type coupling assembling and this fixed head one of them be after this monomer-type coupling assembling and this battery cover board, those sealing rings and the combination of this nut, just utilizes punching press or roll forming.
9. lithium battery comprises:
Each described electrode of lithium cell link block in 8 according to claim 1;
One shell; And
One battery is installed among this shell, and is electrically connected with the electrode connector of this electrode of lithium cell link block.
10. lithium battery according to claim 9, the monomer-type coupling assembling of wherein said electrode connector is made of aluminum metal or copper metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103270865A CN103066236A (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode link module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103270865A CN103066236A (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode link module thereof |
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| CN103066236A true CN103066236A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103270865A Pending CN103066236A (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode link module thereof |
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| CN (1) | CN103066236A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9337451B2 (en) | 2013-07-30 | 2016-05-10 | Johnson Controls Technology Company | System and method for roller interconnection of battery cells |
| CN106601973A (en) * | 2016-11-27 | 2017-04-26 | 浙江吉利控股集团有限公司 | High-efficiency and high-rate lithium battery structure |
| CN108321445A (en) * | 2017-12-20 | 2018-07-24 | 合肥国轩高科动力能源有限公司 | A kind of lithium ion battery integrally crosses abortus fever experiment test device |
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| US6864015B2 (en) * | 2001-07-17 | 2005-03-08 | Delphi Technologies, Inc. | Anti-rotation terminal connection assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9337451B2 (en) | 2013-07-30 | 2016-05-10 | Johnson Controls Technology Company | System and method for roller interconnection of battery cells |
| CN106601973A (en) * | 2016-11-27 | 2017-04-26 | 浙江吉利控股集团有限公司 | High-efficiency and high-rate lithium battery structure |
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| CN108321445B (en) * | 2017-12-20 | 2020-05-26 | 合肥国轩高科动力能源有限公司 | Lithium ion battery wholly overflows heat production experiment testing arrangement |
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Application publication date: 20130424 |