CN106025148B - Explosion-proof structure and power battery comprising same - Google Patents
Explosion-proof structure and power battery comprising same Download PDFInfo
- Publication number
- CN106025148B CN106025148B CN201610560431.2A CN201610560431A CN106025148B CN 106025148 B CN106025148 B CN 106025148B CN 201610560431 A CN201610560431 A CN 201610560431A CN 106025148 B CN106025148 B CN 106025148B
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- Prior art keywords
- explosion
- proof valve
- cover board
- splash guard
- proof
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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
- 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
- H01M50/394—Gas-pervious parts or elements
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The application relates to the technical field of power battery production, in particular to an explosion-proof structure and a power battery with the structure. The explosion-proof structure comprises a cover plate and an explosion-proof valve, wherein the cover plate is provided with an explosion-proof hole, and the explosion-proof valve is arranged on the cover plate and seals the explosion-proof hole; the explosion-proof valve is made of graphite. The explosion-proof structure that this application provided, explosion-proof valve adopt the graphite material, can improve explosion-proof valve's corrosion resistance, and the good and fatigue resistance of thermal stability reduces explosion-proof valve because the probability that corrodes creep failure or corrode fatigue failure and take place, makes its even in the environment of corruption, also can guarantee explosion-proof valve's performance, improves the security of battery.
Description
Technical field
It is dynamic this application involves power battery production technical field more particularly to a kind of blast resistance construction and containing the structure
Power battery.
Background technique
With the development of social economy and the enhancing of people's environmental consciousness, electric car and energy storage station etc. generally require use
Power battery with large capacity is as power supply.In order to guarantee safety that power battery uses, usually it is equipped in power battery
Blast resistance construction, existing blast resistance construction include cover board and explosion-proof valve, and cover board is equipped with explosionproof hole；Explosion-proof valve is the metal of oval structure
Thin slice is carved with racetrack indentation on sheet metal, and indentation thickness usually only has between 0.04mm~0.08mm, forms weak area,
Explosion-proof valve is installed on cover board, and sealed explosion-proof hole.When the gas pressure in power battery be higher than explosion-proof valve can carry it is critical
When pressure, weak area forced breakage, gas washes explosion-proof valve open to achieve the purpose that pressure release, and battery can be improved to a certain extent
Security performance.
However, the explosion-proof valve of existing this sheet metal is easy to produce fatigue corrosion due to being chronically at corrosive environment
Failure, shortens the service life of explosion-proof valve, influences the safety of battery.
Summary of the invention
This application provides a kind of blast resistance construction and containing the power battery of the structure, it is able to extend the use of explosion-proof valve
Service life improves the safety of battery.
The first aspect of the application provides a kind of blast resistance construction, including cover board and explosion-proof valve, and the cover board is equipped with explosion-proof
Hole, the explosion-proof valve is installed on the cover board, and seals the explosionproof hole；The material of the explosion-proof valve is graphite.
It preferably, further include splash guard, the splash guard is equipped with venthole, and the splash guard is located at the top of the cover board
Side, and cover the explosion-proof valve.
Preferably, at least one surface of the explosion-proof valve is equipped with cutting.
Preferably, the two sides of the explosion-proof valve is equipped with cutting, thickness direction of two cuttings along the explosion-proof valve
Position is opposite.
It preferably, further include sticking film, described at least one surface sticked film and attach to the explosion-proof valve.
Preferably, at least one surface of the explosion-proof valve is equipped with cutting, and the film that sticks is arranged in the cutting
Radially projecting within the scope of.
Preferably, the splash guard be arc-shaped curved surface structure or domes, and its towards far from the explosion-proof valve one
Side protrusion.
Preferably, the splash guard is tubular structure, and the open end of the tubular structure is connected to the cover board；It is described logical
Stomata is set to the side wall of the tubular structure, and penetrates through along the thickness direction of the side wall.
Preferably, the edge of the explosion-proof valve is coated with the coat of metal, and the coat of metal is overlapped in the cover board, and passes through
Welding is connect with the cover board.
Preferably, the explosion-proof valve is overlapped on the cover board, and the cover board is equipped with convex towards the side of the explosion-proof valve
It rises, the side of edge towards the cover board of the explosion-proof valve is correspondingly provided with the groove that can accommodate the protrusion.
The second aspect of the application provides a kind of power battery, including as above described in any item blast resistance constructions.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
Blast resistance construction provided herein, explosion-proof valve use graphite material, can be improved the corrosion resistance of explosion-proof valve, heat
Stability is good and anti-fatigue performance, the probability that reduction explosion-proof valve occurs due to corrosion creep failure or corrosion-fatigue failure make
Even if it in the environment of corrosion, can also guarantee the performance of explosion-proof valve, the safety of battery is improved.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of blast resistance construction provided herein；
Fig. 2 is a kind of cross-sectional view of specific embodiment of blast resistance construction provided herein；
Fig. 3 is the structural schematic diagram of blast resistance construction another kind specific embodiment provided herein；
Fig. 4 is the top view of blast resistance construction another kind specific embodiment splash guard provided herein；
Fig. 5 is the sectional view of blast resistance construction another kind specific embodiment explosion-proof valve provided herein；
Fig. 6 is the structural schematic diagram of another specific embodiment of blast resistance construction provided herein.
Appended drawing reference:
1- cover board；
2- pedestal；
3- explosion-proof valve；
31- recessed portion；
32- cutting；
4- sealing ring；
5- splash guard；
51- reinforces area；
52- venthole；
6- briquetting；
7- sticks film.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.It is described in text
"front", "rear", "left", "right", "upper", "lower" are using the placement status in attached drawing as reference.
The embodiment of the present application provides a kind of power battery, including blast resistance construction.As shown in Figure 1, 2, blast resistance construction, including
Cover board 1, explosion-proof valve 3, cover board 1 are equipped with explosionproof hole, and the material of explosion-proof valve 3 is graphite, and explosion-proof valve 3 is installed on cover board 1, can be straight
It connects and is installed on cover board 1, cover board 1 can also be installed on by transition piece, as the pedestal 2 in Fig. 3,6 is installed on cover board 1, and it is explosion-proof
3 sealed explosion-proof hole of valve.
Explosion-proof valve 3 in above-described embodiment is graphite material, can be improved the corrosion resistance of explosion-proof valve 3, thermal stability is good
And anti-fatigue performance, reduce explosion-proof valve 3 due to corrosion creep failure or corrosion-fatigue failure occur probability, even if make its
It in the environment of corrosion, can also guarantee the performance of explosion-proof valve 3, improve the safety of battery.
Specifically, at least one surface of explosion-proof valve 3 is equipped with cutting 32, i.e., it can only be equipped with cutting above or below
32, cutting 32 can also be equipped with simultaneously with above, below.It is preferred that the upper surface of explosion-proof valve 3, it is equipped with cutting 32 below, further,
Two cuttings 32 are opposite along the thickness direction position of explosion-proof valve 3, to further increase the thickness control of the explosion-proof valve 3 at cutting 32
Precision, improve explosion-proof valve 3 burst pressure stability.Certainly, two 32 through-thickness of cutting can also be staggeredly located.
No matter cutting 32 is set to one side or the two sides of explosion-proof valve 3, in order to preferably improve the explosion-proof valve 3 at cutting 32
The precision of thickness control, explosion-proof valve 3 are also provided with recessed portion 31, in the embodiment that single side is equipped with cutting 32, at least set
There is the one side of cutting 32 to be equipped with recessed portion 31, cutting 32 is set to the bottom of recessed portion 31.The embodiment on two sides is set in cutting 32
In, preferably recessed portion 31 is also set to two sides, and cutting 32 is located at the bottom of recessed portion 31, as shown in Figure 3；Certainly, recessed portion 31
It can also be only set to one side, the one side equipped with recessed portion 31, cutting 32 is set to the bottom of recessed portion 31.
Specifically, explosion-proof valve 3 can directly be connect with cover board 1, can also be connect by the coat of metal with cover board 1, preferably
The latter, the edge of explosion-proof valve 3 can be coated with the coat of metal, and the coat of metal is overlapped in cover board 1, and is connect by welding with cover board 1.
By increasing metal layer, the connection of explosion-proof valve 3 Yu cover board 1 can be facilitated, and improve the reliability of connection.
The connection type of explosion-proof valve 3 and cover board 1 can be fitted and connected for plane contact, can also pass through protrusion and groove
Structure realize connection, the edge of preferred the latter, explosion-proof valve 3 are equipped with protrusion towards the side of cover board 1 and 1 one of cover board, another
Person is equipped with groove, can be dovetail groove, and the opening of dovetail groove reduces to the direction of bottom；It may be rectangular channel, Huo Zheqi
Its trench structure, only needs groove to be adapted with protrusion.Since explosion-proof valve 3 is different from the material of cover board 1, thermal expansion coefficient is deposited
In biggish difference, common connector easily causes biggish welding residual stress, can be effective using the structure of protrusion and groove
The thermal stress of weld is alleviated on ground, improves soldering reliability.It, can protrusion or recessed especially in the scheme for including the coat of metal
One is set to the coat of metal in slot, and another one is set to cover board 1, and the preferably coat of metal is equipped with groove, and cover board 1 is equipped with protrusion, passes through
The structure further increases the convenience of welding, and the reliability and leakproofness of connection.
Blast resistance construction can also include sticking film 7 in the various embodiments described above, stick film 7 attaches to explosion-proof valve 3 at least one
A surface.It wherein, at the same time include in the embodiment for stick film 7 and cutting, sticking radially projecting's model that cutting 32 is arranged in film 7
In enclosing, i.e., in the projection perpendicular to the plane of explosionproof hole, stick the inside that film 7 is located at cutting 32.Stick film 7 by increasing,
It separate the rupture disk sticked in film 7 when 3 explosion of explosion-proof valve will not, the generation of second accident caused by rupture disk can be prevented,
And structure is simple, technique is realized conveniently, can effectively solve the frangible problem of graphite flake.
Blast resistance construction in the various embodiments described above further includes splash guard 5, and as seen in figures 3-6, splash guard 5 is equipped with venthole
52, venthole 52 is penetrated through along the thickness direction of splash guard 5, while splash guard 5 is installed on cover board 1, can be directly mounted at lid
Plate 1 can also be installed on cover board 1 indirectly, and splash guard 5 is located at the side at the top of cover board 1, and covers explosion-proof valve 3.Pass through increasing
Add splash guard 5, so that splash guard 5 is covered explosion-proof valve 3, when the air pressure in power battery is very big, explosion-proof valve 3 is broken through, high speed gas
Stream is stopped by splash guard 5 when being flushed to splash guard 5, increases the flow path of high-speed flow, the big broken of rupture is carried in air-flow
Piece, combustible etc. collide with splash guard 5, are difficult to go out splash guard 5, to reduce the risk for causing second accident.
In embodiment including splash guard, splash guard 5 is equipped with opening, and opening is connected to cover board 1, can be directly connected to,
Or it is indirectly connected with.
Specifically, splash guard 5 can be bulge-structure, as shown in Figure 3,4, can be convex to close to the side of explosion-proof valve 3,
It can be convex to the side far from explosion-proof valve 3, preferably it is convex to the side far from explosion-proof valve 3.By increasing bulge-structure, Neng Gouzeng
Big pressure release area as early as possible discharges the air pressure assembled in battery core.Its relief structure can be arc-shaped curved surface structure, or
Domes, or cone cell bulge-structure, preferably arc-shaped curved surface structure, to further increase pressure release area and air-flow
The flowing space.In this embodiment, venthole 52 can be set to any position of splash guard 5, be such as arc-shaped curved surface in splash guard 5
In the embodiment of structure, venthole 52 can be distributed in the arcwall face of entire arc-shaped curved surface structure, can also be only in partial region
Venthole 52 is set.
Splash guard 5 or tubular structure in the various embodiments described above, as shown in fig. 6, the open end of tubular structure connects
It is connected to cover board 1.In this embodiment, venthole 52 can be set to the cylinder bottom of tubular structure, can also be set to side wall or cylinder bottom
It is equipped with venthole 52 simultaneously with side wall, venthole 52 is penetrated through along the thickness direction of tubular structure.It is preferred that only set on tubular structure
Side wall, and penetrated through along the thickness direction of side wall, when explosion-proof valve 3 is broken through, and high-speed flow is flushed to the cylinder bottom of tubular structure, tube
Bottom stops, to further increase the flow path of high-speed flow, makes to carry the big fragment of rupture, combustible etc. in air-flow first
It collides with cylinder bottom, increases the difficulty for going out splash guard 5, to preferably reduce the risk for causing second accident.
In order to increase the intensity of splash guard 5, splash guard 5, which is equipped with, reinforces area 51, is especially to far from explosion-proof valve in splash guard 5
In the embodiment of the bulge-structure of 3 side protrusion, reinforces area 51 and extend from being open to the top of splash guard 5, at this point, venthole
52 shift to install with area 51 is reinforced, i.e., are not provided with venthole 52 in reinforcement area 51.Can be equipped with by reinforcing area 51 by one, can also be set
There are two or several, splash guard 5 be bulge-structure embodiment in, be preferably provided with two, and the two is oppositely arranged, such as
Shown in Fig. 2, not only to guarantee the intensity of splash guard 5, but also the purpose of rapid pressure release can be played.In the reality that splash guard 5 is tubular structure
It applies in example, reinforces area 51 and the interval of venthole 52 and be arranged, and preferably along the circumferential direction of tubular structure, the size in reinforcement area 51 is less than logical
The size of stomata 52, to guarantee enough pressure release areas.
In the above embodiments, in order to realize lightweight, splash guard 5 preferably uses thin-wall construction, and in order to further
Improve the intensity of splash guard 5, it is preferred to use metal material.
It in the above embodiments can also include pedestal 2, pedestal 2 is equipped with through-hole, and one end of pedestal 2 is plugged in explosion-proof
Hole, and sealing between its outer wall and explosionproof hole, sealing means can use sealing structure, can also by pedestal 2 with it is explosion-proof
Laser welding between hole realizes sealing；Explosion-proof valve 3 is connect with pedestal 2, and seals through-hole, and sealing means can pass through sealing
Structure can also be realized by the diffusion welding (DW) between explosion-proof valve 3 and pedestal 2 and be sealed, especially in explosion-proof valve 3 if sealing ring 4 is sealed
To realize that sealing is more convenient using Diffusion Welding in the embodiment of graphite；Splash guard 5 is connect by pedestal 2 with cover board 1, i.e.,
Pedestal 2 is connect with cover board 1, and splash guard 5 is connect with pedestal 2, can be connect with the outer wall of pedestal 2, can also be logical with pedestal 2
The inner wall in hole connects, or directly connect with the end face of pedestal 2.Pedestal 2 can be column structure or plate structure, can also be with
For first base or second base.
Wherein, first base is equipped with stepped hole, i.e. the through-hole of pedestal 2 is stepped hole, and stepped hole includes big hole section and aperture
Section, and macropore section is located at the top at top, explosion-proof valve 3 is overlapped in the cascaded surface of stepped hole, and sealed aperture section；First base
Outer wall is plugged in explosionproof hole, and seals between its outer wall and explosionproof hole；Splash guard 5 is connect by first base with cover board 1.Pass through
Stepped hole is set, explosion-proof valve 3 is overlapped in cascaded surface, can prevent explosion-proof valve 3 when assembly from skidding off pedestal 2, while increasing explosion-proof
The contact area of valve 3 and pedestal 2, can preferably sealed aperture section.
Second base is equipped with through-hole, and explosion-proof valve 3 is seal-installed on through-hole；The outer wall of second base is hierarchic structure, i.e. bottom
The outer wall of seat 2 is hierarchic structure, including big section and segment, big section are located at the top at top, and is overlapped in top；Segment inserting connects
It is connected to explosionproof hole, and is sealed between its side wall and explosionproof hole；Splash guard 5 is connect by second base with cover board 1.By by pedestal
2 outer wall is set as hierarchic structure, can prevent pedestal 2 from skidding off explosionproof hole when assembling, and can also increase pedestal 2 and cover board 1
Contact area makes to form better seal between its outer wall and explosionproof hole.
Pedestal 2 be first base embodiment in, outer wall may be the hierarchic structure in second base, specifically with
The outer wall of the connection structure of cover board 1 such as second base and the connection structure of cover board 1；In the embodiment that pedestal 2 is second base,
Its through-hole may be the stepped hole in first base, the company with the connection structure such as first base and explosion-proof valve 3 of explosion-proof valve 3
Binding structure.
In order to play preferably sealing effect, blast resistance construction further includes sealing ring 4；Sealing ring 4 be set to splash guard 5 with it is explosion-proof
Between valve 3.In the embodiment for being equipped with pedestal 2, sealing ring 4 is placed between explosion-proof valve 3 and splash guard 5, and is pressed by splash guard 5
Tightly, especially in the scheme that pedestal 2 is first base, the inner wall of splash guard 5 and big hole section, which inserts, to be connected, in power battery
Portion can play the role of better seal.Certain splash guard 5 can also directly be connect with the end face of macropore or pedestal 2, be sealed
Circle 4 is placed between splash guard 5 and explosion-proof valve 3, and is compressed by splash guard 5.
Implementation in the embodiment that pedestal 2 includes stepped hole, especially in splash guard 5 and the inserting connection of the inner wall of big hole section
In mode, big hole section is equipped with bayonet far from one end of aperture section, and splash guard 5 is caught in bayonet, as shown in Figure 3.By increasing bayonet,
The disengaging of splash guard 5 Yu pedestal 2 is prevented, guarantees the reliability that splash guard 5 connects.
Include pedestal 2 embodiment in, the connection type of explosion-proof valve 3 and pedestal 2, can using it is above-mentioned include protrusion and
Groove is arranged in one setting protrusion in the connection type of groove, i.e. pedestal 2 and explosion-proof valve 3, another one, and protrusion insertion groove is real
Now connect.
In the embodiment for including pedestal 2, in order to guarantee reliability that explosion-proof valve 3 is connect with pedestal 2 and to through-hole or
The leakproofness of person's aperture section, blast resistance construction further include briquetting 6, and briquetting 6 is located at explosion-proof valve 3 far from 1 one side of cover board, and compresses explosion-proof
Valve 3, and connect with pedestal 2, connection type can be riveting, welding etc., preferably riveting and laser welding, to ensure explosion-proof valve
3 can increase explosion-proof valve 3 and pedestal 2 especially in the embodiment that explosion-proof valve 3 is graphite with the leakproofness of 2 contact surface of pedestal
Cohesive force, and then play preferably sealing effect.In the embodiment that pedestal 2 is stepped hole, the inserting of briquetting 6 is connected to macropore
Section, to realize the extruding to explosion-proof valve 3 jointly with cascaded surface.
The application includes in the scheme of pedestal 2, can also simultaneously include sealing ring 4 and briquetting 6, and sealing ring 4 and briquetting 6 paste
Close, between splash guard 5 and pedestal 2, preferably sealing ring 4 compared with briquetting 6 closer to explosion-proof valve 3, by briquetting 6 by sealing ring 4,
Explosion-proof valve 3 and pedestal 2 compress, and especially in the embodiment that pedestal 2 is second base, can play preferably sealing function.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of blast resistance construction, which is characterized in that including cover board and explosion-proof valve, the cover board is equipped with explosionproof hole, the explosion-proof valve
It is installed on the cover board, and seals the explosionproof hole；The material of the explosion-proof valve is graphite,
The blast resistance construction further includes sticking film, described at least one surface sticked film and attach to the explosion-proof valve,
At least one surface of the explosion-proof valve is equipped with cutting, and the radially projecting's model for sticking film and the cutting being arranged in
In enclosing.
2. blast resistance construction according to claim 1, which is characterized in that further include splash guard, the splash guard is equipped with ventilation
Hole, the splash guard are located at the side at the top of the cover board, and cover the explosion-proof valve.
3. blast resistance construction according to claim 1, which is characterized in that the two sides of the explosion-proof valve is equipped with cutting, and two
The cutting is opposite along the thickness direction position of the explosion-proof valve.
4. blast resistance construction according to claim 2, which is characterized in that the splash guard is arc-shaped curved surface structure or arch
Structure, and it is raised towards the side far from the explosion-proof valve.
5. blast resistance construction according to claim 2, which is characterized in that the splash guard is tubular structure, the tubular knot
The open end of structure is connected to the cover board；The venthole is set to the side wall of the tubular structure, and along the thickness of the side wall
Direction perforation.
6. blast resistance construction according to claim 1, which is characterized in that the edge of the explosion-proof valve is coated with the coat of metal, institute
It states the coat of metal and is overlapped in the cover board, and connect by welding with the cover board.
7. blast resistance construction according to claim 1-6, which is characterized in that the explosion-proof valve is overlapped in the cover board
On, the cover board is equipped with protrusion towards the side of the explosion-proof valve, and the edge of the explosion-proof valve is towards the side pair of the cover board
The groove that can accommodate the protrusion should be equipped with.
8. a kind of power battery, which is characterized in that including such as described in any item blast resistance constructions of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560431.2A CN106025148B (en) | 2016-07-15 | 2016-07-15 | Explosion-proof structure and power battery comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560431.2A CN106025148B (en) | 2016-07-15 | 2016-07-15 | Explosion-proof structure and power battery comprising same |
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| CN106025148A CN106025148A (en) | 2016-10-12 |
| CN106025148B true CN106025148B (en) | 2019-02-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878138B (en) * | 2018-06-20 | 2021-03-12 | 盐城星晨科技有限公司 | General explosion-proof formula electric capacity holder |
| CN109980149B (en) * | 2019-04-02 | 2024-06-11 | 常州微宙电子科技有限公司 | Explosion-proof housing for an energy storage device and energy storage device |
| US11742542B2 (en) * | 2019-04-02 | 2023-08-29 | Changzhou Microbat Technology Co. Ltd. | Explosion-proof enclosure for energy storage device and energy storage device |
| CN113146148A (en) * | 2020-01-21 | 2021-07-23 | 常州微宙电子科技有限公司 | Explosion-proof shell, grooving method thereof and battery with explosion-proof shell |
| CN113964443A (en) * | 2021-09-23 | 2022-01-21 | 辛忠来 | Aluminum magnesium alloy stamping part |
| CN117497928B (en) * | 2023-12-29 | 2024-03-19 | 深圳海辰储能科技有限公司 | End cover assembly, energy storage device and electric equipment |
| CN117977101B (en) * | 2024-03-28 | 2024-07-19 | 蜂巢能源科技股份有限公司 | Battery, battery pack and electricity utilization device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205846083U (en) * | 2016-07-15 | 2016-12-28 | 宁德时代新能源科技股份有限公司 | Blast resistance construction and the electrokinetic cell containing this structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5939735B2 (en) * | 2007-05-08 | 2016-06-22 | ビーエス アンド ビー イノベーションズ リミテッド | Pressure response membrane |
| JPWO2010125755A1 (en) * | 2009-04-27 | 2012-10-25 | パナソニック株式会社 | Assembly sealing body and battery using the same |
| CN202405346U (en) * | 2011-12-12 | 2012-08-29 | 东莞新能源科技有限公司 | Power battery and explosion-proof device thereof |
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2016
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205846083U (en) * | 2016-07-15 | 2016-12-28 | 宁德时代新能源科技股份有限公司 | Blast resistance construction and the electrokinetic cell containing this structure |
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Effective date of registration: 20191217 Address after: 213300 No. 1000, Chengbei Avenue, Kunlun Street, Liyang City, Changzhou, Jiangsu Province Patentee after: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. (JIANGSU) Address before: 352100, Xingang Road, Ningde Town, Jiaocheng District, Fujian, 1 Patentee before: Contemporary Amperex Technology Co.,Ltd. |