CN108428932A - A kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band - Google Patents
A kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band Download PDFInfo
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- CN108428932A CN108428932A CN201810347645.0A CN201810347645A CN108428932A CN 108428932 A CN108428932 A CN 108428932A CN 201810347645 A CN201810347645 A CN 201810347645A CN 108428932 A CN108428932 A CN 108428932A
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- circuit
- pole
- lithium ion
- ion battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
Abstract
The present invention relates to a kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band, including battery case, respectively there are one cover boards for installation for the upper and lower ends of the battery case, one of cover board is connected by integral structure connection type with battery case, another cover board is connected using split structure connection type with battery case, it includes cover plate main body to use the cover board of split structure connection type with battery case, stainless steel gasket, jig, first shorting member, second shorting member, PFA insulating trips, indentation, water conservancy diversion leader tape, current limiting element and pole.The present invention may be implemented to dual function of the internal short-circuit pole with fuse protection of lithium ion battery; the safeguard protection of lithium ion battery of the present invention is made of the first short-circuit protection circuit and the second short-circuit protection circuit; the fusing of this two short-circuit protection circuits can cooperate, and security performance is high.
Description
Technical field
The present invention relates to technical field of lithium ion, specifically a kind of dual internal short-circuit pole of band is with fuse protection
Cylindrical lithium ion battery.
Background technology
As world energy sources are in an emergency, lithium ion battery is big with its energy density, the advantages such as service life cycle time length, quilt
More and more technical fields are of interest, especially nowadays by the extensive use of electric vehicle industry institute.Lithium ion battery applications
On electric vehicle, safety and reliability is the technical essential that everybody extremely pays close attention to.Lithium ion battery by short circuit,
High fever, under the influence of the extraneous undesirable element such as overcharging, inside battery easily generates high pressure gas, causes battery case deformation even quick-fried
It is fried, meanwhile, external force extruding also results in lithium ion internal damage, serious safety accident is generated, although at present in existing skill
In art, lithium ion battery cover board by short circuit, high fever, the extraneous undesirable element such as overcharge under the influence of, there are also can have guarantor
The lithium battery cap plate technique of protective function, but effectively battery can not be protected under above-mentioned bad use condition, from
And lead to battery explosion, on fire, while go here and there with it and cooperative lithium ion battery also can chain reaction, cause more serious
Safety accident.
In consideration of it, the present invention devises a kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band, to solve
The certainly above problem.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of dual cylindrical lithium ion of the internal short-circuit pole with fuse protection of band
Battery, can solve current lithium ion battery technology in high fever, the extraneous exceptional condition such as overcharge under an only weight short-circuit protection hold
Easily lead to that battery is out of control to set off an explosion or the technical barrier of safety accident, the present invention may be implemented in dual to lithium ion battery
Function of the short-circuit pole with fuse protection, the safeguard protection of lithium ion battery of the present invention is by the first short-circuit protection circuit and the second short circuit
Protective loop is constituted, wherein the fusing of the first short-circuit protection circuit increases design for cylindrical lithium ion power battery internal pressure, the
The fusing of two short-circuit protection circuits increases design for cylindrical lithium ion temperature of powered cell, this two short-circuit protection circuits melt
Disconnected to cooperate, security performance is high.
To achieve the goals above, the present invention is realized using following technical scheme：A kind of dual internal short-circuit pole band of band is molten
The upper and lower ends of the cylindrical lithium ion battery of disconnected protection, including battery case, the battery case are respectively installed there are one cover board,
In a cover board be connected with battery case by integral structure connection type, another cover board use split structure connection side
Formula is connected with battery case, and it includes cover plate main body, stainless steel pad to use the cover board of split structure connection type with battery case
Piece, jig, the first shorting member, the second shorting member, PFA insulating trips, indentation, water conservancy diversion leader tape, current limiting element and pole,
Pole upper end outer wall is equipped with stainless steel gasket by riveting method, and pole lower end is equipped with jig, jig
Outer wall on the first shorting member is installed, being equipped with outer middle side part on the interconnecting piece outer wall of pole and jig is recessed inwardly
PFA insulating trips, the recess of PFA insulating trips is equipped with cover plate main body, and cover plate main body passes through between PFA insulating trips and pole
It is connected by riveting method, PFA insulating trips upper end is tightly attached in stainless steel gasket, and PFA insulating trips lower end is tightly attached to jig
On, the first shorting member is close to PFA insulating trips lower end and is connected with jig；It is short that the upper end of the cover plate main body is equipped with second
Element is connect, the second shorting member is located at the surface of stainless steel gasket close to one end of cover plate main body；It is set on the cover plate main body
It is equipped with a circle indentation；The lower end of the jig is equipped with water conservancy diversion leader tape, and current limiting element is equipped on water conservancy diversion leader tape.
The cover plate main body and pole are respectively different polarity of electrode, the cover plate main body, battery case and battery case
The cover board of body lower end integrally connected is identical polarity of electrode, and the pole and jig are identical polarity of electrode.
The indentation is thickness weakest region in cover plate main body, and the thickness of indentation is the 1/4~3/ of cover plate main body thickness
4。
The material of first shorting member is one or several kinds of in copper, aluminium, nickel, nickel-base alloy, stainless steel, aluminium alloy
Combination.
The material of second shorting member is the material by thermal energy flexural deformation；The material by thermal energy flexural deformation
Can be bimetal leaf or memorial alloy.
Vertical range between first shorting member and cover plate main body, between the second shorting member and stainless steel gasket
It is deformation distance, ranging from 1~5mm of deformation distance.
The cylindrical lithium ion battery internal pressure, which increases above, can push jig, the first short circuit member under setting state of value
The cover plate main body at position, stainless steel gasket, pole carry out whole change upwards between part, PFA insulating trips, indentation and PFA insulating trips
Shape moves, and cover plate main body is contacted with the first shorting member, to make cover plate main body pass through the first shorting member and jig, pole
Column contact is connected, and the first short-circuit protection circuit state is constituted on cylindrical lithium ion battery.
The cylindrical lithium ion battery temperature, which increases above, bears under state of value that the second shorting member is heated to be bent downwardly, the
Two shorting members are contacted with stainless steel gasket, to make cover plate main body pass through the pole that the second shorting member is connect with stainless steel gasket
Column, jig contact are connected, and the second short-circuit protection circuit state is constituted on cylindrical lithium ion battery.
Any one short-circuit protection circuit shape in the first short-circuit protection circuit state, the second short-circuit protection circuit state
Current limiting element can be triggered when current limiting element temperature is more than fusing point under state and carries out fuse protection, due to the first short-circuit protection circuit shape
State, the second short-circuit protection circuit state will produce short circuit current, and current limiting element will produce amount of heat when passing through short circuit current, when
Fusing current limiting element carries out open circuit protection when temperature is more than fusing point.
The beneficial effects of the invention are as follows：Compared with prior art, the present invention solves current lithium ion battery technology to the present invention
In high fever, an only weight short-circuit protection under extraneous exceptional condition such as overcharges and be easy to cause that battery is out of control to set off an explosion or safe thing
Therefore technical barrier, the present invention may be implemented to dual function of the internal short-circuit pole with fuse protection of lithium ion battery, lithium of the present invention
The safeguard protection of ion battery is made of the first short-circuit protection circuit and the second short-circuit protection circuit, wherein the first short-circuit protection returns
The fusing on road increases design for cylindrical lithium ion battery internal pressure, and the fusing of the second short-circuit protection circuit is for cylindrical lithium ion electricity
Pond temperature increases design, and the fusing of this two short-circuit protection circuits can cooperate, and security performance is high.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, a kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band, including battery case
11, respectively there are one cover boards, one of cover board to pass through integral structure connection side for installation for the upper and lower ends of the battery case 11
Formula is connected with battery case 11, another cover board is connected using split structure connection type with battery case 11, in this implementation
Use the cover board of split structure connection type for cathode cover board A with 11 upper end of battery case in example, with 11 lower end of battery case
Use the cover board of integral structure connection type for anode cover board B, cathode cover board A include cover plate main body 1, stainless steel gasket 2, weldering
Connect platform 3, the first shorting member 4, the second shorting member 5, PFA insulating trips 6, indentation 7, water conservancy diversion leader tape 8, current limiting element 9 and pole
Column 10,10 upper end outer wall of the pole are equipped with stainless steel gasket 2 by riveting method, and stainless steel gasket 2 plays anti-when riveting
The effect that only pole 10, cover plate main body 1 deform, 10 lower end of pole is equipped with jig 3, is installed on the outer wall of jig 3
There is the first shorting member 4, is carried out using riveting, ultrasonic bonding or laser welding between the first shorting member 4 and jig 3
Connection, pole 10 are equipped with the PFA insulating trips 6 that outer middle side part is recessed inwardly on the interconnecting piece outer wall of jig 3, and PFA is exhausted
The recess of embolium 6 is equipped with cover plate main body 1, and cover plate main body 1 between PFA insulating trips 6 and pole 10 by passing through riveting side
Formula is connected, and 6 upper end of PFA insulating trips is tightly attached in stainless steel gasket 2, and 6 lower end of PFA insulating trips is tightly attached on jig 3, and first
Shorting member 4 is close to 6 lower end of PFA insulating trips and is connected with jig 3, and PFA insulating trips 6 are as electrical isolation component, PFA insulating trips
6 play the role of completely cutting off pole 10, jig 3 and cover plate main body 1；The upper end of the cover plate main body 1 is equipped with the second short circuit
Element 5 is attached between second shorting member 5 and cover plate main body 1 using laser welding or ultrasonic bonding, the second short circuit member
Part 6 is located at the surface of stainless steel gasket 2 close to one end of cover plate main body 1；A circle indentation 7 is provided on the cover plate main body 1；
The lower end of the jig 3 is equipped with water conservancy diversion leader tape 8, and water conservancy diversion leader tape 8 is tapped into jig 3 by laser or supersonic welding
Row connects, and current limiting element 9 is equipped on water conservancy diversion leader tape 8, current limiting element 9 has fuse function, when cylindrical lithium ion battery temperature
Fuse current limiting element 9 when more than fusing point, and open circuit protection is played the role of in open circuit between battery plus-negative plate.
The cover plate main body 1 and pole 10 are respectively different polarity of electrode, the cover plate main body 1, battery case 11 and
The positive cover board B of 11 integrally connected of battery case is identical polarity of electrode, and the pole 10 and jig 3 are identical electricity
Pole polarity.
The indentation 7 is thickness weakest region in cover plate main body 1, and the thickness of indentation 7 is the 1/4 of 1 thickness of cover plate main body
~3/4, indentation 7 is the thickness weakest region processed on cover plate main body 1.
The material of first shorting member 4 is a kind of or several in copper, aluminium, nickel, nickel-base alloy, stainless steel, aluminium alloy
Kind combination.
The material of second shorting member 5 is the material by thermal energy flexural deformation；The material by thermal energy flexural deformation
Material can be bimetal leaf or memorial alloy.
It is vertical between first shorting member 4 and cover plate main body 1, between the second shorting member 5 and stainless steel gasket 2
Distance is deformation distance, ranging from 1~5mm of deformation distance.
Since indentation 7 is the thickness weakness zone processed on cover plate main body 1, the cylindrical lithium ion battery internal pressure increases super
Crossing under setting state of value can push between jig 3, the first shorting member 4, PFA insulating trips 6, indentation 7 and PFA insulating trips 6
Cover plate main body 1, stainless steel gasket 2, the pole 10 at position carry out whole upwardly-deformed movement, and the distance of upward deformation is by cylinder lithium
Ion battery internal pressure, the size of indentation 7 are determined, can be obtained by testing, cover plate main body 1 connects with the first shorting member 4
It touches, to make cover plate main body 1 contact conducting, cylindrical lithium ion battery with jig 3, pole 10 by the first shorting member 4
The first short-circuit protection circuit state is constituted between positive and negative anodes, is formed simultaneously short circuit current I, and the first short-circuit protection returns in the present invention
Road increases design for cylindrical lithium ion battery internal pressure.
The cylindrical lithium ion battery temperature, which increases above, bears under state of value that the second shorting member 5 is heated to be bent downwardly,
Second shorting member 5 is contacted with stainless steel gasket 2, to make cover plate main body 1 pass through the second shorting member 5 and stainless steel gasket 2
The pole 10 of connection, the contact of jig 3 are connected, and the second short-circuit protection circuit is constituted between positive and negative anodes on cylindrical lithium ion battery
State, while short circuit current I can be also formed, 5 deformation temperature of the second shorting member is determined by the material of the second shorting member 5,
The second short-circuit protection circuit increases design for cylindrical lithium ion battery temperature in the present invention.
The short circuit current I formed in the first short-circuit protection circuit state, the second short-circuit protection circuit state in the present embodiment
It can be calculated with following equation：
Wherein U is the terminal voltage of cylindrical lithium ion battery, and R is the first short-circuit protection circuit resistance, and R is by cylindrical lithium ion electricity
Pond connects resistance, electrochemical impedance, 1 resistance of cover plate main body, pipe resistance, 4 resistance of the first shorting member and the first shorting member 4
Contact resistance composition between cover plate main body 1, battery connect resistance, electrochemical impedance, 1 resistance of cover plate main body, pipe resistance
In comparison very small, it can be ignored；Short circuit current I can pass through 4 resistance of the first shorting member and the first shorting member 4
Contact resistance between cover plate main body 1 is adjusted.
Any one short-circuit protection circuit shape in the first short-circuit protection circuit state, the second short-circuit protection circuit state
Current limiting element 9 can be triggered when 9 temperature of current limiting element is more than fusing point under state and carries out fuse protection, due to the first short-circuit protection circuit
State, the second short-circuit protection circuit state will produce short circuit current, and current limiting element 9 will produce amount of heat when passing through electric current, when
Fuse current limiting element 9 when temperature is more than fusing point, open circuit between cylindrical lithium ion battery battery plus-negative plate, before current limiting element 9 fuses
Through discharging after a period of time, the state-of-charge of battery can be reduced, it is ensured that explosion, phenomenon on fire, discharge time Δ T do not occur for battery
To be calculated according to following equation：
Q=I2Rt formula (2)
Wherein：Q is heat, when I is short circuit on current limiting element 9 by short circuit current, R is the resistance in circuit, and t is molten
Disconnected time, Cp are the specific heat capacity of current limiting element, and Tc is the fusing point of current limiting element, and m is the quality of current limiting element, and short circuit current I can
It is adjusted by the contact resistance between 4 resistance of the first shorting member and the first shorting member 4 and cover plate main body 1, first is short
It connects material, size of element 4 etc. and determines maximum current when short circuit substantially, can be calculated and be learnt by formula (1), the first shorting member
Contact form between 4 and cover plate main body 1 determines the variation of electric current, and just resistance is big when contact, easy tos produce electric arc, electric arc will connect
Weld together after contacts welding, resistance declines, and electric current increases therewith, and discharge time Δ T can pass through above-mentioned formula (2) and public affairs
Formula (3) is adjusted.
In conclusion therefore cylindrical lithium ion battery of the present invention is in the first short-circuit protection circuit state, the second short-circuit protection
9 fuse protection of the first current limiting element can be carried out under loop state, to realize to the dual internal short-circuit pole band of lithium ion battery
The function of fuse protection, in the first short-circuit protection circuit fusing current limiting element 9, the second short-circuit protection circuit fusing current limiting element 9
Under duplicate protection, security performance is high, solve can solve current lithium ion battery technology high fever, overcharge etc. it is extraneous abnormal
Under the conditions of an only weight short-circuit protection be easy to cause that battery is out of control to set off an explosion or the technical barrier of safety accident, reached mesh
's.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (10)
1. a kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band, including battery case, the battery case
Upper and lower ends respectively there are one cover board, one of cover board is connected by integral structure connection type with battery case for installation,
Another cover board is connected using split structure connection type with battery case, it is characterised in that：With battery case using seperated
The cover board of formula structural union includes cover plate main body, stainless steel gasket, jig, the first shorting member, the second short circuit member
Part, PFA insulating trips, indentation, water conservancy diversion leader tape, current limiting element and pole, pole upper end outer wall are equipped with by riveting method
Stainless steel gasket, pole lower end are equipped with jig, and the first shorting member, pole and weldering are equipped on the outer wall of jig
It connects and the PFA insulating trips that outer middle side part is recessed inwardly is installed on the interconnecting piece outer wall of platform, the recess of PFA insulating trips is equipped with
Cover plate main body, and cover plate main body, by being connected by riveting method between PFA insulating trips and pole, PFA insulating trips upper end is close to
In stainless steel gasket, PFA insulating trips lower end is tightly attached on jig, the first shorting member be close to PFA insulating trips lower end with
Jig is connected；The upper end of the cover plate main body is equipped with the second shorting member, and the second shorting member is close to cover plate main body
One end is located at the surface of stainless steel gasket；A circle indentation is provided on the cover plate main body；Pacify the lower end of the jig
Equipped with water conservancy diversion leader tape, current limiting element is installed on water conservancy diversion leader tape.
2. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The cover plate main body and pole are respectively different polarity of electrode, under the cover plate main body, battery case and battery case
It is identical polarity of electrode to hold the cover board of integrally connected, and the pole and jig are identical polarity of electrode.
3. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The indentation is thickness weakest region in cover plate main body, and the thickness of indentation is the 1/4~3/4 of cover plate main body thickness.
4. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The material of first shorting member is one or several kinds of groups in copper, aluminium, nickel, nickel-base alloy, stainless steel, aluminium alloy
It closes.
5. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The material of second shorting member is the material by thermal energy flexural deformation.
6. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 5, feature
It is：The material by thermal energy flexural deformation can be bimetal leaf or memorial alloy.
7. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：Vertical range between first shorting member and cover plate main body, between the second shorting member and stainless steel gasket is equal
For deformation distance, ranging from 1~5mm of deformation distance.
8. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The cylindrical lithium ion battery internal pressure increase above setting state of value under can push jig, the first shorting member,
The cover plate main body at position, stainless steel gasket, pole carry out whole upwardly-deformed shifting between PFA insulating trips, indentation and PFA insulating trips
Dynamic, cover plate main body is contacted with the first shorting member, and cover plate main body is contacted with jig, pole by the first shorting member and led
It is logical, the first short-circuit protection circuit state is constituted on cylindrical lithium ion battery.
9. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 1, feature
It is：The cylindrical lithium ion battery temperature, which increases above, bears under state of value that the second shorting member is heated to be bent downwardly, and second
Shorting member is contacted with stainless steel gasket, pole that cover plate main body is connect by the second shorting member with stainless steel gasket, welding
Contact with platform is connected, and the second short-circuit protection circuit state is constituted on cylindrical lithium ion battery.
10. dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of a kind of band according to claim 8 or claim 9,
It is characterized in that：Any one short-circuit protection circuit in the first short-circuit protection circuit state, the second short-circuit protection circuit state
Current limiting element can be triggered when current limiting element temperature is more than fusing point under state carries out fuse protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347645.0A CN108428932B (en) | 2018-04-18 | 2018-04-18 | Cylindrical lithium ion battery with double internal short circuit electrodes and fusing protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347645.0A CN108428932B (en) | 2018-04-18 | 2018-04-18 | Cylindrical lithium ion battery with double internal short circuit electrodes and fusing protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108428932A true CN108428932A (en) | 2018-08-21 |
| CN108428932B CN108428932B (en) | 2020-07-24 |
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ID=63161148
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347645.0A Expired - Fee Related CN108428932B (en) | 2018-04-18 | 2018-04-18 | Cylindrical lithium ion battery with double internal short circuit electrodes and fusing protection |
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| JP2003197165A (en) * | 2001-12-25 | 2003-07-11 | Rohm Co Ltd | Protection circuit module and battery pack with the same |
| CN101176908A (en) * | 2006-11-06 | 2008-05-14 | 比亚迪股份有限公司 | Riveting method as well as method for coupling electrode pole and cover plate of lithium ion battery |
| CN101257104A (en) * | 2007-02-26 | 2008-09-03 | 索尼株式会社 | Nonaqueous electrolyte secondary battery |
| CN202662683U (en) * | 2012-02-14 | 2013-01-09 | 东莞新能源科技有限公司 | Motive power battery top cover |
| CN205752363U (en) * | 2016-05-17 | 2016-11-30 | 比亚迪股份有限公司 | Battery protecting apparatus, cover plate assembly and battery |
| CN206574749U (en) * | 2017-02-22 | 2017-10-20 | 中山市达兴塑料电器有限公司 | Battery temperature protection cover plate |
| CN206947390U (en) * | 2017-07-24 | 2018-01-30 | 长沙锂安能电子科技有限公司 | A kind of external battery anti-explosion cover plate assembly for easily changing insurance protection device |
-
2018
- 2018-04-18 CN CN201810347645.0A patent/CN108428932B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003197165A (en) * | 2001-12-25 | 2003-07-11 | Rohm Co Ltd | Protection circuit module and battery pack with the same |
| CN101176908A (en) * | 2006-11-06 | 2008-05-14 | 比亚迪股份有限公司 | Riveting method as well as method for coupling electrode pole and cover plate of lithium ion battery |
| CN101257104A (en) * | 2007-02-26 | 2008-09-03 | 索尼株式会社 | Nonaqueous electrolyte secondary battery |
| CN202662683U (en) * | 2012-02-14 | 2013-01-09 | 东莞新能源科技有限公司 | Motive power battery top cover |
| CN205752363U (en) * | 2016-05-17 | 2016-11-30 | 比亚迪股份有限公司 | Battery protecting apparatus, cover plate assembly and battery |
| CN206574749U (en) * | 2017-02-22 | 2017-10-20 | 中山市达兴塑料电器有限公司 | Battery temperature protection cover plate |
| CN206947390U (en) * | 2017-07-24 | 2018-01-30 | 长沙锂安能电子科技有限公司 | A kind of external battery anti-explosion cover plate assembly for easily changing insurance protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108428932B (en) | 2020-07-24 |
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