CN107425151A - A kind of new type explosion proof lithium battery top cap plate and application - Google Patents
A kind of new type explosion proof lithium battery top cap plate and application Download PDFInfo
- Publication number
- CN107425151A CN107425151A CN201710839037.7A CN201710839037A CN107425151A CN 107425151 A CN107425151 A CN 107425151A CN 201710839037 A CN201710839037 A CN 201710839037A CN 107425151 A CN107425151 A CN 107425151A
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- Prior art keywords
- pole
- negative pole
- plate
- explosion
- positive
- Prior art date
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 238000004880 explosion Methods 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 229920003023 plastic Polymers 0.000 claims abstract description 37
- 239000004033 plastic Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000000994 depressogenic effect Effects 0.000 claims description 25
- 238000005213 imbibition Methods 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
-
- 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
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/392—Arrangements for facilitating escape of gases with means for neutralising or absorbing electrolyte; with means for preventing leakage of electrolyte through vent holes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
A kind of new type explosion proof lithium battery top cap plate provided by the invention, including plastics on substrate, top plate, negative pole, plastics, negative pole sealing ring, positive pole sealing ring, negative pole pole, Positive Poles, negative pole leader, positive pole leader, multistage explosion-protection equipment on positive pole；The top plate is fixed on substrate；The negative pole pole sequentially passes through negative pole sealing ring, substrate, top plate, plastics on negative pole；The Positive Poles sequentially pass through positive pole sealing ring, substrate, top plate, plastics on positive pole.The lithium battery top cap plate cost is cheap, easy to use, safe.
Description
Technical field
The invention belongs to electrokinetic cell field, more particularly to a kind of new type explosion proof lithium battery top cap plate and application.
Background technology
At present, with increasingly miniaturization, lighting and the Portable belt of electronic product, such as video camera, notebook and hand
Machine etc., the driving power of these electronic products also develop towards high power capacity, high security and the direction of lighting, lithium battery with
The good characteristics such as its high power capacity, are widely used in electronic product.Lithium battery includes housing, cover plate and battery core etc., wherein
Battery core is placed in the inside of housing, and the upper end of housing has upper end open, and cover plate is then enclosed in the opening of the upper end of housing, then passes through
Pole on the cover board is formed, then lithium battery and outside electronic component can be electrically connected with, realize power supply.Lithium battery makes
Used time can produce abnormal gas because of the factor such as battery charger failure and undue charging as inside battery chemically reacts, and cause electricity
Pond internal pressure is excessive, so as to which battery explosion accident occur.However, poor reliability be present in the existing anti-overshoot safety cover plate of battery,
It is complicated under pressure-resistant scope, the weak point such as processing request height.
There is the drawbacks of certain in existing lithium battery cover plate, it is impossible to when battery electric quantity reaches saturation, make electricity when in use
Pond internal break consumption electric energy, it is impossible to gas caused by inside when absorbing battery overshoot, and battery air tightness can not be increased, it is difficult
To prevent ambient atmos from entering, battery explosion may be triggered, user is damaged, brought during use it is certain not
Profit influences, therefore, a kind of it is proposed that safety cover plate for preventing that lithium battery from overcharging.
The content of the invention
Technical problem：In order to solve the defects of prior art, the invention provides a kind of new type explosion proof lithium battery top cap plate.
Technical scheme：A kind of new type explosion proof lithium battery top cap plate provided by the invention, including moulded on substrate, top plate, negative pole
Plastics, negative pole sealing ring, positive pole sealing ring, negative pole pole, Positive Poles, negative pole leader, positive pole leader, multistage on material, positive pole
Explosion-protection equipment；The top plate is fixed on substrate；The negative pole pole sequentially pass through negative pole sealing ring, substrate, top plate, on negative pole
Plastics；The Positive Poles sequentially pass through positive pole sealing ring, substrate, top plate, plastics on positive pole；The negative pole leader is fixed on negative
Pole pole bottom, the positive pole leader are fixed on Positive Poles bottom；The multistage explosion-protection equipment is in substrate, top plate
Portion；The multistage explosion-protection equipment includes explosion-proof tank and the top cover, dividing plate, the bottom that are sequentially arranged in from top to bottom in explosion-proof tank, institute
State top cover and be provided with one group of through hole, the second venthole is provided with the middle part of the dividing plate, the first venthole, institute are provided with the middle part of the bottom
State and rupture pressure disc is provided between top cover, dividing plate, second venthole is provided with the second cover plate, and first venthole is provided with the
One cover plate, is provided with spine at the top of second cover plate, and the both ends of first cover plate are fixed part, middle part is depressed part, institute
The end for stating fixed part is fixed between substrate, top plate, is connected between the depressed part and the second cover plate by elastomeric element.
As an improvement, be respectively equipped with screw thread in the negative pole pole, Positive Poles, plastics on the negative pole, moulded on positive pole
Material is provided with the screw thread coordinated with negative pole pole, Positive Poles.
As an improvement, the fixed part and depressed part junction are provided with upper groove.
Present invention also offers a kind of multistage explosion-protection equipment for lithium battery, including explosion-proof tank and from top to bottom successively
Top cover, dividing plate, bottom in explosion-proof tank, the top cover are provided with one group of through hole, the second outlet are provided with the middle part of the dividing plate
Hole, the bottom middle part are provided with the first venthole, rupture pressure disc are provided between the top cover, dividing plate, is set on second venthole
There is the second cover plate, first venthole is provided with the first cover plate, spine, first cover plate are provided with the top of second cover plate
Both ends be fixed part, middle part be depressed part, the end of the fixed part is fixed between substrate, top plate, the depressed part
And second connected by elastomeric element between cover plate.
As an improvement, the fixed part and depressed part junction are provided with upper groove.
Present invention also offers a kind of anti-explosion safety lithium battery, including housing, coordinate with housing lamina tecti, located at housing
The imbibition room of bottom；
The lamina tecti include substrate, top plate, plastics on negative pole, plastics on positive pole, negative pole sealing ring, positive pole sealing ring,
Negative pole pole, Positive Poles, negative pole leader, positive pole leader, multistage explosion-protection equipment；The top plate is fixed on substrate；It is described negative
Pole pole sequentially passes through negative pole sealing ring, substrate, top plate, plastics on negative pole；The Positive Poles sequentially pass through positive pole sealing ring,
Substrate, top plate, plastics on positive pole；The negative pole leader is fixed on negative pole pole bottom, and the positive pole leader is fixed on positive pole pole
Column bottom；The multistage explosion-protection equipment is located at substrate, the middle part of top plate；The multistage explosion-protection equipment includes explosion-proof tank and from upper
Top cover, dividing plate, the bottom being sequentially arranged under and in explosion-proof tank, the top cover are provided with one group of through hole, are provided with the middle part of the dividing plate
Second venthole, the bottom middle part are provided with the first venthole, rupture pressure disc are provided between the top cover, dividing plate, described second goes out
Stomata is provided with the second cover plate, and first venthole is provided with the first cover plate, spine is provided with the top of second cover plate, described
The both ends of first cover plate are fixed part, middle part is depressed part, and the end of the fixed part is fixed between substrate, top plate, institute
State and connected between depressed part and the second cover plate by elastomeric element；
Room is communicated between the housing and imbibition room, from upper and be provided with barrier film and breaking plant, institute in communication chamber
Loop device is stated brokenly to pierce provided with vertex (vertices) provided with one group of through hole, top.
As an improvement, be respectively equipped with screw thread in the negative pole pole, Positive Poles, plastics on the negative pole, moulded on positive pole
Material is provided with the screw thread coordinated with negative pole pole, Positive Poles.
As an improvement, the fixed part and depressed part junction are provided with upper groove.
Beneficial effect：Lithium battery top cap plate cost provided by the invention is cheap, easy to use, safe.
Brief description of the drawings
Fig. 1 is the explosive view of new type explosion proof lithium battery top cap plate of the present invention.
Fig. 2 is the structural representation of explosion-protection equipment.
Fig. 3 is the partial enlarged drawing of explosion-protection equipment.
Fig. 4 is the side view of new type explosion proof lithium battery top cap plate of the present invention.
Fig. 5 is the structural representation of anti-explosion safety lithium battery.
Embodiment
New type explosion proof lithium battery top cap plate of the present invention is further illustrated below.
Embodiment 1
New type explosion proof lithium battery top cap plate, see plastics 3 on Fig. 1 to 4, including substrate 1, top plate 2, negative pole, plastics on positive pole
4th, negative pole sealing ring 5, positive pole sealing ring 6, negative pole pole 7, Positive Poles 8, negative pole leader 9, positive pole leader 10, multistage explosion-proof dress
Put 11；It is respectively equipped with screw thread on negative pole pole 7, Positive Poles 8, plastics 3 on negative pole, plastics 4 are provided with and negative pole pole on positive pole
The screw thread that post 7, Positive Poles 8 coordinate；Top plate 2 is fixed on substrate 1；Negative pole pole 7 sequentially passes through negative pole sealing ring 5, substrate
1st, top plate 2, plastics 3 on negative pole；Positive Poles 8 sequentially pass through positive pole sealing ring 6, substrate 1, top plate 2, plastics 4 on positive pole；Negative pole
Leader 9 is fixed on the bottom of negative pole pole 7, and positive pole leader 10 is fixed on the bottom of Positive Poles 8；Multistage explosion-protection equipment 11 is located at substrate
1st, the middle part of top plate 2；Multistage explosion-protection equipment 11 includes explosion-proof tank 12 and the top cover being sequentially arranged in from top to bottom in explosion-proof tank 12
13rd, dividing plate 14, bottom 15, top cover 13 are provided with one group of through hole, and the middle part of dividing plate 14 is provided with the second venthole 24, and the middle part of bottom 15 is set
There is the first venthole 23, rupture pressure disc 16 is provided between top cover 13, dividing plate 14, the second venthole 24 is provided with the second cover plate 17, the
One venthole 23 is provided with the first cover plate 18, and the top of the second cover plate 17 is provided with spine 21, and the both ends of the first cover plate 18 are fixation
Portion 19, middle part are depressed part 20, and the end of fixed part 19 is fixed between substrate 1, top plate 2, the cover plate 17 of depressed part 20 and second
Between connected by elastomeric element 22；Fixed part 19 and the junction of depressed part 20 are provided with upper groove 25.
Embodiment 2
Anti-explosion safety lithium battery, is shown in Fig. 5, including housing 200, coordinate with housing 200 lamina tecti 100, located at housing 200
The imbibition room 300 of bottom；
Lamina tecti 100 includes substrate 1, top plate 2, plastics 3 on negative pole, plastics 4, negative pole sealing ring 5, positive pole sealing on positive pole
Circle 6, negative pole pole 7, Positive Poles 8, negative pole leader 9, positive pole leader 10, multistage explosion-protection equipment 11, negative pole pole 7, positive pole pole
It is respectively equipped with screw thread on post 8, plastics 3 on negative pole, plastics 4 are provided with the spiral shell coordinated with negative pole pole 7, Positive Poles 8 on positive pole
Line；Top plate 2 is fixed on substrate 1；Negative pole pole 7 sequentially passes through negative pole sealing ring 5, substrate 1, top plate 2, plastics 3 on negative pole；Just
Pole pole 8 sequentially passes through positive pole sealing ring 6, substrate 1, top plate 2, plastics 4 on positive pole；Negative pole leader 9 is fixed on the bottom of negative pole pole 7
Portion, positive pole leader 10 are fixed on the bottom of Positive Poles 8；Multistage explosion-protection equipment 11 is located at substrate 1, the middle part of top plate 2；It is multistage explosion-proof
Device 11 includes explosion-proof tank 12 and the top cover 13, dividing plate 14, the bottom 15 that are sequentially arranged in from top to bottom in explosion-proof tank 12, top cover 13
It is provided with one group of through hole, the middle part of dividing plate 14 is provided with the second venthole 24, is provided with the first venthole 23 in the middle part of bottom 15, top cover 13,
Rupture pressure disc 16 is provided between dividing plate 14, the second venthole 24 is provided with the second cover plate 17, and the first venthole 23 is provided with the first lid
Plate 18, the top of the second cover plate 17 are provided with spine 21, and the both ends of the first cover plate 18 are fixed part 19, middle part is depressed part 20, Gu
The end for determining portion 19 is fixed between substrate 1, top plate 2, is connected between the cover plate 17 of depressed part 20 and second by elastomeric element 22；
Fixed part 19 and the junction of depressed part 20 are provided with upper groove 25；
Be communicated with room 31 between housing 200 and imbibition room 300, in communication chamber 31 from it is upper and provided with barrier film 32 and destruction
Device 33, break loop device 33 and be provided with one group of through hole, top provided with vertex (vertices) thorn 34.
The operation principle of the present invention：
(1) material of Electolyte-absorptive is filled in the imbibition room 300 of battery bottom, when inside battery generation is short-circuit or other
Situation causes gas first when temperature rise, air pressure rise to jack up barrier film 32, and barrier film 32 contacts vertex (vertices) and pierces 34, punctures barrier film 32,
So that electrolyte is flowed into imbibition room 300, temperature is avoided further to raise；
(2) it is first when short circuit occurs for inside battery or other situations cause temperature further to raise, air pressure further raises
First gas jacks up the first cover plate 18, portion gas is entered in explosion-proof tank 12, when bottom air pressure is very high, elastic components contract arrives
Bottom, cause the second cover plate 17 to be jacked up, spine 21 is punctured rupture pressure disc 16, gas is gone out battery, so as to play explosion-proof work
With.
Claims (8)
- A kind of 1. new type explosion proof lithium battery top cap plate, it is characterised in that：Including plastics (3) on substrate (1), top plate (2), negative pole, Plastics (4), negative pole sealing ring (5), positive pole sealing ring (6), negative pole pole (7), Positive Poles (8), negative pole leader on positive pole (9), positive pole leader (10), multistage explosion-protection equipment (11)；The top plate (2) is fixed on substrate (1)；The negative pole pole (7) sequentially pass through negative pole sealing ring (5), substrate (1), Plastics (3) on top plate (2), negative pole；The Positive Poles (8) sequentially pass through positive pole sealing ring (6), substrate (1), top plate (2), just Extremely upper plastics (4)；The negative pole leader (9) is fixed on negative pole pole (7) bottom, and the positive pole leader (10) is fixed on positive pole pole Post (8) bottom；The multistage explosion-protection equipment (11) is located at substrate (1), the middle part of top plate (2)；The multistage explosion-protection equipment (11) includes explosion-proof tank (12) and the top cover being sequentially arranged in from top to bottom in explosion-proof tank (12) (13), dividing plate (14), bottom (15), the top cover (13) are provided with one group of through hole, gone out in the middle part of the dividing plate (14) provided with second Stomata (24), bottom (15) middle part are provided with the first venthole (23), are provided between the top cover (13), dividing plate (14) explosion-proof Film (16), second venthole (24) are provided with the second cover plate (17), and first venthole (23) is provided with the first cover plate (18), be provided with spine (21) at the top of second cover plate (17), the both ends of first cover plate (18) be fixed part (19), in Portion is depressed part (20), and the end of the fixed part (19) is fixed between substrate (1), top plate (2), the depressed part (20) and Connected between second cover plate (17) by elastomeric element (22).
- A kind of 2. new type explosion proof lithium battery top cap plate according to claim 1, it is characterised in that：The negative pole pole (7), Be respectively equipped with screw thread in Positive Poles (8), plastics (3) on the negative pole, on positive pole plastics (4) be provided with negative pole pole (7), The screw thread that Positive Poles (8) coordinate.
- A kind of 3. new type explosion proof lithium battery top cap plate according to claim 1, it is characterised in that：The fixed part (19) and Depressed part (20) junction is provided with upper groove (25).
- A kind of 4. multistage explosion-protection equipment for lithium battery, it is characterised in that：Including explosion-proof tank (12) and from top to bottom successively Top cover (13), dividing plate (14), bottom (15) in explosion-proof tank (12), the top cover (13) is provided with one group of through hole, described The second venthole (24) is provided with the middle part of dividing plate (14), the first venthole (23), the top cover are provided with the middle part of the bottom (15) (13), it is provided with rupture pressure disc (16) between dividing plate (14), second venthole (24) is provided with the second cover plate (17), and described first Venthole (23) is provided with the first cover plate (18), and spine (21), first cover plate are provided with the top of second cover plate (17) (18) both ends are fixed part (19), middle part is depressed part (20), the end of the fixed part (19) be fixed on substrate (1), Between top plate (2), connected between the depressed part (20) and the second cover plate (17) by elastomeric element (22)；The fixed part (19) and depressed part (20) junction is provided with upper groove (25).
- A kind of 5. multistage explosion-protection equipment for lithium battery according to claim 4, it is characterised in that：The fixed part (19) and depressed part (20) junction is provided with upper groove (25).
- A kind of 6. anti-explosion safety lithium battery, it is characterised in that：The lamina tecti coordinated including housing (200), with housing (200) (100), located at the imbibition room (300) of housing (200) bottom；The lamina tecti (100) includes substrate (1), top plate (2), plastics (3) on negative pole, plastics (4), negative pole sealing ring on positive pole (5), positive pole sealing ring (6), negative pole pole (7), Positive Poles (8), negative pole leader (9), positive pole leader (10), multistage explosion-proof dress Put (11)；The top plate (2) is fixed on substrate (1)；The negative pole pole (7) sequentially passes through negative pole sealing ring (5), substrate (1), top plate (2), plastics (3) on negative pole；The Positive Poles (8) sequentially pass through positive pole sealing ring (6), substrate (1), top plate (2), plastics (4) on positive pole；The negative pole leader (9) is fixed on negative pole pole (7) bottom, and the positive pole leader (10) is fixed on Positive Poles (8) bottom Portion；The multistage explosion-protection equipment (11) is located at substrate (1), the middle part of top plate (2)；The multistage explosion-protection equipment (11) includes explosion-proof Case (12) and the top cover (13) being sequentially arranged in from top to bottom in explosion-proof tank (12), dividing plate (14), bottom (15), the top cover (13) it is provided with one group of through hole, is provided with the second venthole (24) in the middle part of the dividing plate (14), provided with the in the middle part of the bottom (15) One venthole (23), is provided with rupture pressure disc (16) between the top cover (13), dividing plate (14), second venthole (24) is provided with Second cover plate (17), first venthole (23) are provided with the first cover plate (18), point are provided with the top of second cover plate (17) Pierce (21), the both ends of first cover plate (18) are fixed part (19), middle part is depressed part (20), the fixed part (19) End is fixed between substrate (1), top plate (2), passes through elastomeric element between the depressed part (20) and the second cover plate (17) (22) connect；Room (31) is communicated between the housing (200) and imbibition room (300), from upper and be provided with barrier film in communication chamber (31) (32) and breaking plant (33), the broken loop device (33) are provided with one group of through hole, top provided with vertex (vertices) thorn (34).
- A kind of 7. anti-explosion safety lithium battery according to claim 6, it is characterised in that：The negative pole pole (7), positive pole pole It is respectively equipped with screw thread on post (8), plastics (3) on the negative pole, plastics (4) are provided with and negative pole pole (7), positive pole pole on positive pole The screw thread that post (8) coordinates.
- A kind of 8. anti-explosion safety lithium battery according to claim 6, it is characterised in that：The fixed part (19) and depressed part (20) junction is provided with upper groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839037.7A CN107425151A (en) | 2017-09-18 | 2017-09-18 | A kind of new type explosion proof lithium battery top cap plate and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839037.7A CN107425151A (en) | 2017-09-18 | 2017-09-18 | A kind of new type explosion proof lithium battery top cap plate and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107425151A true CN107425151A (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710839037.7A Withdrawn CN107425151A (en) | 2017-09-18 | 2017-09-18 | A kind of new type explosion proof lithium battery top cap plate and application |
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| CN (1) | CN107425151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109378426A (en) * | 2018-11-22 | 2019-02-22 | 大连范特西西科技有限公司 | A kind of High-performance green cell safety explosion-protection equipment and method |
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| CN107086279A (en) * | 2017-06-09 | 2017-08-22 | 江苏万达新能源科技股份有限公司 | A kind of modular power battery Aluminum cover |
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2017
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| CN203589111U (en) * | 2013-11-27 | 2014-05-07 | 浙江正电新能源有限公司 | Temperature control explosion-proof membrane equipment of battery cell |
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| CN206163542U (en) * | 2016-11-25 | 2017-05-10 | 佛山市顺德区金泰电池有限公司 | Elasticity impales carminative battery explosion -proof cover cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378426A (en) * | 2018-11-22 | 2019-02-22 | 大连范特西西科技有限公司 | A kind of High-performance green cell safety explosion-protection equipment and method |
| CN110137587A (en) * | 2019-05-31 | 2019-08-16 | 珠海中力新能源科技有限公司 | The device utilized applied to battery echelon |
| CN110137587B (en) * | 2019-05-31 | 2024-04-23 | 珠海中力新能源科技有限公司 | Device applied to battery echelon utilization |
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Application publication date: 20171201 |
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