CN109065768A - A kind of Multicarity battery and battery pack - Google Patents
A kind of Multicarity battery and battery pack Download PDFInfo
- Publication number
- CN109065768A CN109065768A CN201810948812.7A CN201810948812A CN109065768A CN 109065768 A CN109065768 A CN 109065768A CN 201810948812 A CN201810948812 A CN 201810948812A CN 109065768 A CN109065768 A CN 109065768A
- Authority
- CN
- China
- Prior art keywords
- battery
- cavity
- multicarity
- flame retardant
- liquid flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000003063 flame retardant Substances 0.000 claims abstract description 41
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000005611 electricity Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003486 chemical etching Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of Multicarity batteries, including Battery case and battery box cover, it is tightly connected between Battery case and battery box cover, the Battery case is internally provided with multiple cavities, battery core is placed in the cavity of part, liquid flame retardant is placed in remaining cavity, wherein, it is described any one be placed with battery core cavity it is adjacent with the cavity that one of them is placed with liquid flame retardant and formed one connection side wall, the connection side wall up to being provided with an explosion-proof valve less, it is connected to when thermal failure occurs for battery core by the explosion-proof valve and places the cavity of battery core and place the cavity of liquid flame retardant so that liquid flame retardant enters in the cavity for placing battery core.The present invention can be rapidly cooled and cool down to battery when thermal failure occurs for battery, guarantee the safety of battery.
Description
Technical field
The invention belongs to battery safety management technical field more particularly to a kind of Multicarity battery and battery packs.
Background technique
In recent years, increasingly extensive with battery applications, the example that safety accident occurs for battery is also commonplace.
By taking lithium ion battery as an example.Lithium battery in Charging state inside put aside huge energy, once work as lithium battery institute
When the control such as the environment temperature at place is improper or internal short-circuit occurs, the accidents such as explosion, kindling easily occur for lithium battery.If not taking
When accident occurs for appropriate one battery of measure, other neighbouring batteries can be involved, cause fire spreading, then cause bigger thing
Therefore.
Summary of the invention
The embodiment of the present invention provides a kind of Multicarity battery, it is intended to it solves to cool down to battery under battery superheat state,
The chemical property of battery is not influenced again simultaneously.
The embodiments of the present invention are implemented as follows, a kind of Multicarity battery, including Battery case and battery box cover, battery case
It being tightly connected between body and battery box cover, the Battery case is internally provided with multiple cavities, it is placed with battery core in the cavity of part,
Liquid flame retardant is placed in remaining cavity, wherein any one described cavity for being placed with battery core is placed with one of them
The cavity of liquid flame retardant is adjacent and forms a connection side wall, and the connection side wall up to an explosion-proof valve is provided with less, in electricity
It is connected to when thermal failure occurs for core by the explosion-proof valve and places the cavity of battery core and place the cavity of liquid flame retardant so that liquid
Fire retardant enters in the cavity for placing battery core.
Further, the liquid flame retardant is water or anti-icing fluid.
Further, the liquid flame retardant is the water or anti-icing fluid added with inorganic salts.
Further, the explosion-proof valve is a metallic film.
Further, the metallic film is formed by way of mechanical score, laser-induced thermal etching, chemical etching or welding.
Further, the segment space of the cavity of liquid flame retardant is placed with described in the liquid flame retardant filling.
Further, the cross section of the cavity is quadrangle, wherein the connecting side where at least one side of quadrangle
Wall is equipped with the explosion-proof valve.
Further, the cavity for placing battery core is staggered with the cavity for placing liquid flame retardant.
Further, the explosion-proof valve is positioned close to the position of the Battery case bottom.
The embodiments of the present invention also provide a kind of battery pack, the battery pack includes above-mentioned at least two Multicarities electricity
Pond.
Multicarity battery of the invention, is arranged a plurality of cavities in Battery case, and each cavity forms a cavity, passes through
To placing battery core in the cavity of part, to placing liquid flame retardant in remaining cavity, and in battery core cavity and liquid flame retardant cavity
Explosion-proof valve is set on the adjacent connection side wall formed, explosion-proof valve automatically opens when thermal failure occurs for battery core, makes liquid flame retardant
Liquid flame retardant in cavity flows into adjacent battery core cavity by explosion-proof valve, so that effective temperature-reducing is carried out to battery battery core, from
And the chain reaction of the thermal failure of battery is influenced, play the role of improving battery security.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of Multicarity battery of the present invention.
Fig. 2 is a kind of schematic diagram of internal structure of embodiment of battery case of Multicarity battery of the present invention.
Fig. 3 is Multicarity battery portion structure perspective diagram of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The present invention provides a kind of Multicarity battery of embodiment, including Battery case and battery box cover, Battery case and electricity
It is tightly connected between the case lid of pond, the Battery case is internally provided with multiple cavities, and battery core, remaining chamber are placed in the cavity of part
It is placed with liquid flame retardant in vivo, wherein any one described cavity for being placed with battery core is placed with liquid resistance with one of them
The cavity of combustion agent is adjacent and forms a connection side wall, and the connection side wall occurs up to an explosion-proof valve is provided with less in battery core
It is connected to when thermal failure by the explosion-proof valve and places the cavity of battery core and place the cavity of liquid flame retardant so that liquid flame retardant
Into in the cavity for placing battery core, that is to say, that the explosion-proof valve is used to automatically open and be connected to when thermal failure occurs for battery core
It places the cavity of battery core and places the cavity of liquid flame retardant.
As shown in Figure 1, the structural schematic diagram of the Multicarity battery of an embodiment of the present invention, the Multicarity battery include
Battery case 20 and battery box cover 10, the battery box cover 10 are fastened on the Battery case 20: Battery case 20 and battery
Case lid 10 directly seals close connection, and the battery box cover 10 is equipped with positive terminal 30 and negative terminal 40, the Multicarity
Battery is powered by positive terminal 30 and negative terminal 40 to external device (ED), such as gives electric tool, electric car, luminaire
It is powered.
As shown in connection with fig. 2, multiple cavities, each cavity tool are equipped with inside the Battery case 20 of Multicarity battery of the invention
There is a cavity, is set inside the Battery case 20 in the present embodiment there are four cavity, the first cavity 21, the second cavity 22, third
Cavity 23 and the 4th cavity 24 form multiple connection side walls 25 between the two neighboring cavity, wherein the second cavity 22 and
Battery core 50 is equipped in four cavitys 24 respectively, is respectively provided with liquid flame retardant 60 in first cavity 21 and third cavity 23.
Certainly, Multicarity battery of the invention is not limited to shape shown in Fig. 2, can be cylindrical body, other polygonal bodies.Institute
20 internal cavity of Battery case stated be it is multiple, particular number be also not limited to only there are four, can be other quantity, but fill
Have the cavity of battery core with equipped with liquid flame retardant cavity needs be staggered, i.e., so that it is described any one be placed with battery core
Cavity is adjacent with the cavity that one of them is placed with liquid flame retardant and forms a connection side wall.
The shape of the Multicarity battery and the concrete shape of the cavity can be carried out according to the concrete application of battery
Setting.The liquid flame retardant 60 can be water or anti-icing fluid, or the water or anti-icing fluid of inorganic salts is added, it is described inorganic
Salt is one or more of chlorate, sulfate, calcium chloride, magnesium chloride, sodium nitrate, sodium nitrite etc..
It as shown in connection with fig. 3, is the perspective view of two neighboring cavity in Fig. 2, in Fig. 3, the first cavity 21 and the second cavity
22 is adjacent and form connection side wall 25, and the connection side wall is equipped with explosion-proof valve 70.In the present embodiment, the cavity is preferably four
Side shape cylinder, the cross section of the cavity are quadrangle, and the connection side wall 25 just forms a line of the quadrangle,
On connection side wall where this side, the explosion-proof valve 70 can be set multiple, and explosion-proof valve 70 can be uniformly arranged on the company
It connects on side wall, it can also be with concentrated setting on a certain position of connection side wall.
In the present embodiment, the explosion-proof valve 70 is preferably a metallic film, which is lost by mechanical score, laser
The mode at quarter, chemical etching or welding is formed.It, can due to the intracorporal imbalance of pressure of chamber when battery once thermal failure reaction occurs
Explosion-proof valve is caused to be first turned on, directly cavity of the connection equipped with battery core is then equipped with liquid with equipped with the cavity of liquid flame retardant
The intracorporal liquid fire proofing of the chamber of fire retardant will enter the cavity equipped with battery core by explosion-proof valve, by liquid flame retardant to electricity
Core cooling, to effectively influence the thermal failure chain reaction of battery, is played and is changed so that the temperature for reducing entire inside battery can be realized
The effect of kind battery security, ensures the working performance and safety of battery.
Further, when battery overheat occurs, in order to which the cooling to Multicarity battery for effectively enhancing the present embodiment is cold
But effect, the position of the explosion-proof valve 70 is as close as possible to 20 bottom of Battery case, when battery once thermal failure reaction occurs
When explosion-proof valve 70 being caused to be opened, more liquid flame retardants can be effectively ensured and be flowed into the cavity equipped with battery core, thus into
The cooling effect when enhancing of one step overheats battery.
Liquid flame retardant 60 described in the present embodiment can't fill entire cavity, i.e., the described liquid flame retardant fills institute
The segment space for being placed with the cavity of liquid flame retardant is stated, expand with heat and contract with cold causes between Battery case 20 and case lid 10 in order to prevent
Swelling fracture and leakage.
The Multicarity battery of the present embodiment is preferably lithium battery, or the new energy such as ferric phosphate lithium cell, ternary battery
Source battery.
The embodiments of the present invention also provide a kind of battery pack, the battery pack includes at least two above-mentioned Multicarity electricity
Pond.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of Multicarity battery, including Battery case and battery box cover, are tightly connected between Battery case and battery box cover,
Be characterized in that: the Battery case is internally provided with multiple cavities, and battery core is placed in the cavity of part, is placed in remaining cavity
Liquid flame retardant, wherein any one described cavity for being placed with battery core is placed with the cavity of liquid flame retardant with one of them
Adjacent and one connection side wall of formation, the connection side wall lead to up to an explosion-proof valve is provided with less when thermal failure occurs for battery core
The explosion-proof valve connection is crossed to place the cavity of battery core and place the cavity of liquid flame retardant so that liquid flame retardant enters placement electricity
In the cavity of core.
2. Multicarity battery as described in claim 1, it is characterised in that: the liquid flame retardant is water or anti-icing fluid.
3. Multicarity battery as described in claim 1, it is characterised in that: the liquid flame retardant be added with inorganic salts water or
Anti-icing fluid.
4. Multicarity battery as described in claim 1, it is characterised in that: the explosion-proof valve is a metallic film.
5. Multicarity battery as claimed in claim 4, it is characterised in that: the metallic film is lost by mechanical score, laser
The mode at quarter, chemical etching or welding is formed.
6. Multicarity battery as described in claim 1, it is characterised in that: be placed with liquid described in the liquid flame retardant filling
The segment space of the cavity of fire retardant.
7. Multicarity battery as described in claim 1, it is characterised in that: the cross section of the cavity is quadrangle, wherein four
The explosion-proof valve is equipped on connection side wall where in at least one of shape.
8. Multicarity battery as described in claim 1, it is characterised in that: the cavity and the placement liquid for placing battery core
The cavity of fire retardant is staggered.
9. Multicarity battery as described in claim 1, it is characterised in that: the explosion-proof valve is positioned close to the Battery case
The position of bottom.
10. a kind of battery pack, it is characterised in that: the battery pack includes described in any one of claim 1-9 at least two
Multicarity battery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810948812.7A CN109065768A (en) | 2018-08-20 | 2018-08-20 | A kind of Multicarity battery and battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810948812.7A CN109065768A (en) | 2018-08-20 | 2018-08-20 | A kind of Multicarity battery and battery pack |
Publications (1)
Publication Number | Publication Date |
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CN109065768A true CN109065768A (en) | 2018-12-21 |
Family
ID=64687500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810948812.7A Pending CN109065768A (en) | 2018-08-20 | 2018-08-20 | A kind of Multicarity battery and battery pack |
Country Status (1)
Country | Link |
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CN (1) | CN109065768A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111921132A (en) * | 2020-06-03 | 2020-11-13 | 孝感锐创机械科技有限公司 | Flame-retardant structure of lithium battery |
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CN101442137A (en) * | 2005-05-03 | 2009-05-27 | 三星Sdi株式会社 | Cylinderical lithium rechargeable battery |
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CN203954502U (en) * | 2014-07-04 | 2014-11-26 | 华擎机械工业股份有限公司 | Battery extinguishing device |
CN204760489U (en) * | 2015-06-08 | 2015-11-11 | 浙江超威创元实业有限公司 | Prevent electric core structure of explosion on fire and lithium ion battery who has this electricity core structure |
CN107537111A (en) * | 2017-10-09 | 2018-01-05 | 深圳市鸿嘉利消防科技有限公司 | Battery case automatic extinguishing device |
CN207474569U (en) * | 2017-09-29 | 2018-06-08 | 郑州宇通客车股份有限公司 | A kind of battery, battery modules and battery case, the vehicle using the battery modules |
CN207587793U (en) * | 2017-09-29 | 2018-07-06 | 郑州宇通客车股份有限公司 | A kind of battery case, safety battery, battery modules, battery case and vehicle |
CN208722930U (en) * | 2018-08-20 | 2019-04-09 | 邦泰宏图(深圳)科技有限责任公司 | A kind of Multicarity battery and battery pack |
-
2018
- 2018-08-20 CN CN201810948812.7A patent/CN109065768A/en active Pending
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CN101442137A (en) * | 2005-05-03 | 2009-05-27 | 三星Sdi株式会社 | Cylinderical lithium rechargeable battery |
JP2014107219A (en) * | 2012-11-29 | 2014-06-09 | Toyota Industries Corp | Electricity storage device |
CN203954502U (en) * | 2014-07-04 | 2014-11-26 | 华擎机械工业股份有限公司 | Battery extinguishing device |
CN204760489U (en) * | 2015-06-08 | 2015-11-11 | 浙江超威创元实业有限公司 | Prevent electric core structure of explosion on fire and lithium ion battery who has this electricity core structure |
CN207474569U (en) * | 2017-09-29 | 2018-06-08 | 郑州宇通客车股份有限公司 | A kind of battery, battery modules and battery case, the vehicle using the battery modules |
CN207587793U (en) * | 2017-09-29 | 2018-07-06 | 郑州宇通客车股份有限公司 | A kind of battery case, safety battery, battery modules, battery case and vehicle |
CN107537111A (en) * | 2017-10-09 | 2018-01-05 | 深圳市鸿嘉利消防科技有限公司 | Battery case automatic extinguishing device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111921132A (en) * | 2020-06-03 | 2020-11-13 | 孝感锐创机械科技有限公司 | Flame-retardant structure of lithium battery |
CN111921132B (en) * | 2020-06-03 | 2021-06-29 | 忆伯网络科技(上海)股份有限公司 | Flame-retardant structure of lithium battery |
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