CN110335973A - A kind of firebreak device of solid state battery - Google Patents
A kind of firebreak device of solid state battery Download PDFInfo
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- CN110335973A CN110335973A CN201910493774.5A CN201910493774A CN110335973A CN 110335973 A CN110335973 A CN 110335973A CN 201910493774 A CN201910493774 A CN 201910493774A CN 110335973 A CN110335973 A CN 110335973A
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- battery
- battery pack
- coolant liquid
- exhaust
- exhaust pipe
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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
- H01M10/60—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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A kind of firebreak device of solid state battery.It the present invention is directed to which numerous batteries is partitioned into lesser mould group, and is placed in airtight battery case, fire prevention measure is effectively performed with benefit.Shared exhaust pipe and cooling liquid bath are also set up, they are communicated in each battery case via pipeline.When spontaneous combustion, which occurs, for any one battery generates exhaust gas and temperature rise, the air pressure of the battery case and temperature can increase, then the channel of exhaust pipe and coolant liquid can be made in time to get through using non-return man's cap used in ancient times or film explosion man's cap used in ancient times, exhaust gas is discharged to atmosphere, it is perfused in coolant liquid to battery case simultaneously, plays the role of diffusion heat centrostigma temperature.In addition, thermal energy is taken away using the gasification of coolant liquid and heat of gasification by exhaust pipe, play cooling and prevents battery from acute reaction occurred.Utilize the above measure, so that it may which object arround preventing that battery case external skin temperatures are excessively high and igniting occurs combustion explosion prevented also from exhaust gas, and allow exhaust gas in the diffusion of exhaust pipe, buffering, cooling, guidance, be directionally discharged to atmosphere in battery case, reaches fireproof purpose.
Description
Firebreak device after spontaneous combustion occurs the present invention relates to a kind of battery for technical field, and especially a kind of solid state battery is used
Firebreak device.
Multiple solid monomer battery battery packs made of serial or parallel connection are widely used in respectively background technique at present
On kind electric vehicle, although manufacturer all claims that its battery pack is protected equipped with fire safety, when vehicle parking and unmanned photograph
When material, battery spontaneous combustion causes have what is heard when the event of fire.When the present invention is for battery spontaneous combustion, the various safety both deposited are anti-
Under fiery thrashing, a kind of firebreak device of fire how is prevented.The present invention is also applicable in other and is served as using solid state battery
The occasion of power supply, as the firebreak device after preventing battery from spontaneous combustion occurs.
Summary of the invention object of the present invention is to: it is smaller that solid monomer battery numerous used in electric vehicle, which is partitioned into,
Mould group, and be individually positioned in approximate airtight battery pack header tank body, so as to separate possible cause fire source and more effectively into
Row fire prevention measure.A shared exhaust pipe and cooling liquid bath are also set up, they are respectively communicated with each electricity via lateral
Group total cabinet in pond occurs in the battery pack header tank body of spontaneous combustion when any one battery occurs spontaneous combustion and generates exhaust gas or temperature rise
Portion's air pressure and temperature can increase, then can in the way of the device non-return man's cap used in ancient times on above-mentioned lateral or film explosion man's cap used in ancient times,
It gets through exhaust duct passageway in time automatically, exhaust gas is discharged to atmosphere.In addition, exhaust pipe is equipped with one-way cock, can prevent big
Gas flows back into battery pack header tank body the internal combustible waste gases that ignite, meanwhile, cooling liquid bath also can in time be got through automatically, in time
It is perfused in coolant liquid to battery pack header tank body, plays the role of diffusion heat centrostigma temperature.In addition, the gas of coolant liquid can also be used
Change and heat of gasification is taken away the thermal energy in Battery case by exhaust pipe, play cooling and prevents battery pack because of the excessively high generation of temperature
Cross acute reaction.Measure more than utilization, so that it may object arround preventing that battery pack header tank body external skin temperatures are excessively high and igniting, prevented also from
In battery pack header tank body combustion explosion occurs for exhaust gas, and allows exhaust gas in the diffusion of exhaust pipe, buffering, cooling, guidance, orientation
Ground is discharged in atmosphere, thus reaches fireproof purpose.
A kind of firebreak device of solid state battery of the present invention is achieved by following technology;It includes:
A. one or more battery group, each battery pack are made of one or more single batteries, the single battery
Between positive and negative anodes connected by conducting wire to export electric energy and voltage, electric current message;
B. an exhaust pipe, it has one or more air intake branches and one or more puff prots;
C. the total cabinet of one or more battery group, inner space are enough to place the battery pack and retain ventilation bar appropriate
Headroom, it is described to be connected to connect the air intake branch of above-mentioned exhaust pipe to be additionally provided with one or more exhaust gas connectors thereon
It is external that the exhaust gas of battery pack generation, one or more electric line outlets allow the conducting wire of above-mentioned battery pack to lead to the battery pack header tank
Portion;
D. one or more exhaust rupture disk groups, it is connected to the air inlet and the battery pack header tank of above-mentioned exhaust pipe (4)
Between the exhaust gas connector of body, to prevent outside atmosphere from being passed in the battery pack header tank body, when the rupture disk ruptures
When, the exhaust gas that the battery pack can be allowed to generate is passed to the exhaust pipe, and is discharged in atmosphere by the puff prot.
Further, according to the firebreak device of said one solid state battery, it is characterized in that including:
One or more non-return man's caps used in ancient times, it replaces one or more of exhaust rupture disk groups, when in the battery pack header tank body
When air pressure rises to setting degree, the non-return man's cap used in ancient times can be got through and the exhaust gas is allowed to arrange to the exhaust pipe.
Further, according to the firebreak device of said one solid state battery, it is characterized in that including:
A. a shared cooling liquid bath, it stores suitable coolant liquid and there are one or more coolant liquids to export branch pipe
It is respectively communicated with the total cabinet of one or more of battery packs;
B. one or more coolant liquid rupture disk groups, they are each, and there is a rupture disk to be connected to above-mentioned coolant liquid output
Between cooling water connector on branch pipe and the total cabinet of the battery pack, to prevent coolant liquid from being passed to the battery pack header tank
In vivo, when the rupture disk ruptures, the coolant liquid can be allowed to flow into the battery pack header tank body.
Further, according to the firebreak device of said one solid state battery, it is characterized in that including:
A. one or more heat-conducting substrates, are tightly attached to the corresponding single battery in appearance to quick conductive respectively;
B. one or more spray coolant pipes, its one end is utilized respectively Hot melt adhesive plaster and licks on above-mentioned heat-conducting substrate and block
It firmly exports, while obtaining one using a compressed spring and being detached from the strength that patch is licked, the another port of the spray coolant pipe
It is communicated to the intracorporal coolant liquid connector of the battery pack header tank, when the temperature of the heat-conducting substrate reaches a certain level, patch
Lick spray coolant pipe on above-mentioned heat-conducting substrate will degumming separation, allow spray coolant to come out.
Further, according to the firebreak device of said one solid state battery, it is characterized in that including:
The total cabinet of the battery pack of one Contiuum type of structure and exhaust pipe, the exhaust pipe inside are filled with coolant liquid, the exhaust
Tube passage leads to atmosphere end prevents atmosphere from flowing into equipped with a high pressure non-return man's cap used in ancient times, and it is total that the exhaust duct passageway leads to the battery pack
One end of cabinet, comparing low pressure non-return man's cap used in ancient times equipped with one prevents the coolant liquid from flowing into the total box house of battery pack.
Further, according to the firebreak device of said one solid state battery, it is characterized in that including:
One thermally conductive colloid, it is filled in the battery pack header tank body.
Detailed description of the invention
It is firebreak device layout drawing of the present invention using a solid state battery of explosion man's cap used in ancient times mode shown in Fig. 1
It is the firebreak device layout drawing using exhaust pipe non-return man's cap used in ancient times and hot melt sprinkling coolant liquid shown in Fig. 2
It is the detail drawing of hot melt sprinkling coolant liquid in Fig. 2 shown in Fig. 3
It is the battery pack header tank and exhaust pipe combination layout drawing of a Contiuum type of structure shown in Fig. 4
The invention will be further described below with reference to above-mentioned attached drawing for specific embodiment:
It is firebreak device layout drawing of the present invention using a solid state battery of explosion man's cap used in ancient times mode shown in Fig. 1, mark number 1 is
One total cabinet of battery pack, its cabinet 1-1 have opened multiple entrances, connect including steam discharge connector 1-2, coolant liquid
Mouth 1-3, conductor gateway 1-45.The approximate airtight inner space the cabinet 1-1 can device multiple single battery 1-41, it is described
The electrode 1-43 of each battery utilize conducting wire 1-42 connection, then converge be made into a bundle conductor 1-44 by conductor gateway 1-45 lead to
Toward external (as shown in B), the box house redundant space should be reduced to the greatest extent, gas or liquid free flow and be connect as long as can allow
Contacting each single battery, the smaller air for indicating to remain in cabinet 1-1 in space and combustion-supporting oxygen are also just fewer, in
It is generated fuel gas combustion explosion in Battery case 1-1 when can prevent battery spontaneous combustion.Indicating number 2 is one
A exhaust pipe, it includes that a tube body 2-1, puff prot 2-3 and one are communicated to exhaust connector 1-2 via exhaust branch pipe 2-2
High pressure non-return man's cap used in ancient times 2-22, high pressure explosion man's cap used in ancient times 2-23.Indicating number 3 is a cooling trough, it includes one and coolant liquid is housed
The groove body 3-1 of 3-22, it is connected to the explosion man's cap used in ancient times 3-21 that one is compared low pressure using a coolant liquid branch pipe 3-2 and connects to coolant liquid
Mouth 1-3.Then, when any one single battery occurs short circuit or dieseling and generates exhaust gas or temperature, closed cabinet
Interior air pressure and temperature will rise, and when reaching setting degree, first allow and compare low pressure explosion man's cap used in ancient times 3-21 rupture, guide coolant liquid 3-
In 22 to cabinet 1-1, to cool down heat source, to prevent the excessively high aggravation battery pack short circuit of temperature and dieseling.If battery continues
Generate high temperature and when reaching the gasification point of coolant liquid 3-22, coolant liquid, which comes to life, to be become gaseous state and can absorb a large amount of gasification
Heat, while simultaneously promoting high pressure explosion man's cap used in ancient times 2-23 to rupture with the exhaust gas generated, at this time, the combustibility of the exhaust gas can be by coolant liquid
Vapor dilution and reduce, and flow into the tube body 2-1 of larger flow path space by high pressure non-return man's cap used in ancient times 2-22, play buffering decompression, expand
Cooling effect is dissipated, then exhaust gas after cooling sprays to atmosphere to the direction of safety via puff prot 2-3 again, then by Fig. 1's
Process can prevent to occur after battery spontaneous combustion explosion, generate open fire, ignite arround fire occurs.In addition, the explosion man's cap used in ancient times can be straight
The diaphragm type shotfiring safety man's cap used in ancient times commonly used using the building extinguishing sprinkler or chemical industry commonly used is connect, non-return man's cap used in ancient times can also be continued to use
Non-return man's cap used in ancient times used in air compression system, exhaust pipe can also continue to use the design characteristics of traditional exhaust pipe for internal combustion engine.
It is using the firebreak device layout drawing of exhaust pipe non-return man's cap used in ancient times and hot melt sprinkling coolant liquid, without adopting shown in Fig. 2
A high pressure non-return man's cap used in ancient times 2-22 and spray coolant multitube body 3-4 is used instead with explosion man's cap used in ancient times, and the multitube body contains multiple
Spray coolant mouth A is tightly attached to the surface of each single battery 1-41.
It is the detail drawing of spray coolant mouth A among Fig. 2 shown in Fig. 3, label 3-44 is multiple coolant liquid sprays
Pipe is spilt, its one end is utilized respectively Hot melt adhesive plaster and licks on the fixed part 3-42 of above-mentioned heat-conducting substrate 3-41 and blocked
The firmly spray outlet of coolant liquid, in substrate 3-41, the other end is strapped on spray line 3-44 the Yi Duan Arrived of compressed spring 3-43,
And the spray line 3-44 strength that one disengaging patch is licked is assigned at any time.The another port of the spray coolant pipe 3-44 is respectively communicated with
To the intracorporal coolant liquid connector of the battery pack header tank (label 1-3 as shown in Figure 2), when the heat of the heat-conducting substrate 3-41
When degree reaches a certain level, patch licks the meeting degumming of the spray coolant pipe 3-44 on above-mentioned heat-conducting substrate 3-41, the spring 3-
43 just push the spray coolant pipe 3-44 that patch is licked open, and the coolant liquid of ejection is allowed to flow into cabinet 1-1.
It is the battery pack header tank and exhaust pipe combination layout drawing of a Contiuum type of structure shown in Fig. 4, shows coolant liquid in figure
Slot 3 is set up directly on the upper surface of battery case body 1-1, forms a Contiuum type of structure.When any one battery spontaneous combustion generates
Exhaust gas and temperature cause to compare low pressure non-return man's cap used in ancient times 3-23 opening, and the coolant liquid 3-22 for being stored in cooling liquid bath 3 will be arranged by exhaust gas
Squish flow enters cabinet 1-1 and generates cooling effect, and when battery dieseling persistently aggravates, exhaust gas or coolant liquid boil-off gas will push height open
Non-return man's cap used in ancient times 2-22 is pressed, makes exhaust gas by having been drained off, be discharged just as the general cooling liquid bath 3 of exhaust pipe.From Fig. 4 it can also be seen that,
The total cabinet 1 of multiple battery packs can be connected to a shared exhaust pipe 2 using connecting tube 2-21 by the present invention, be very suitable to answer
It uses on currently a popular pure electric vehicle or Self-balance electric vehicle, is also suitble to be applied to the adjusting energy storage of similar photo-voltaic power generation station
In battery pack, fire can be prevented really in contingency.
In addition, device shown in Fig. 4 can also not fill coolant liquid 3-22 among cooling liquid bath 3, instead
Thermally conductive melten gel (such as heat conductive silica gel, conduction oil or thermally conductive grease etc) is filled within cabinet 1-1, similarly can achieve fire prevention
Purpose.
Claims (6)
1. a kind of firebreak device of solid state battery, it is characterised in that it includes:
One or more battery group, each battery pack are made of one or more single batteries, between the single battery
Positive and negative anodes connected by conducting wire to export electric energy and voltage, electric current message;
B. an exhaust pipe, it has one or more air inlets into branch pipe and one or more puff prots;
C. the total cabinet of one or more battery group, inner space are enough to place the battery pack and retain ventilation bar appropriate
Headroom, the cabinet is equipped with air intake branch of one or more exhaust gas connectors to connect above-mentioned exhaust pipe, to be connected
The exhaust gas that the battery unit generates is additionally provided with one or more electric line outlets and the conducting wire of above-mentioned battery pack is allowed to lead to the electricity
Outside the group header tank body of pond;
D. one or more exhaust rupture disk groups, they are each have a rupture disk and be connected to above-mentioned exhaust pipe into
Between port and the exhaust gas connector of the total cabinet of the battery pack, to prevent outside atmosphere from being passed to the total cabinet of the battery pack
Interior, when rupture disk rupture, the exhaust gas that the battery pack can be allowed to generate is passed to the exhaust pipe, and passes through the jet
Mouth is discharged in atmosphere.
2. the firebreak device of a solid state battery according to claim 1, it is characterized in that including:
One or more non-return man's caps used in ancient times, it replaces one or more of exhaust rupture disk groups, when in the battery pack header tank body
When air pressure rises to setting degree, the non-return man's cap used in ancient times can be got through and the exhaust gas is allowed to arrange to the exhaust pipe.
3. the firebreak device of a solid state battery according to claim 1, it is characterized in that including:
One shared cooling liquid bath, it stores suitable coolant liquid and has one or more coolant liquid output branch pipe difference
It is communicated to the total cabinet of one or more of battery packs；
One or more coolant liquids rupture disk group, they are each to have a rupture disk and is connected to above-mentioned cold Qie's liquid output branch
Between cooling water connector on pipe and the total cabinet of the battery pack, to prevent coolant liquid from being passed to the total cabinet of the battery pack
It is interior, when rupture disk rupture, the coolant liquid can be allowed to flow into the battery pack header tank body.
4. the firebreak device of a solid state battery according to claim 1, it is characterized in that including:
One or more heat-conducting substrates are tightly attached to the corresponding single battery in appearance to quick conductive respectively；
One or more spray coolant pipes, its one end are utilized respectively Hot melt adhesive plaster and lick on above-mentioned heat-conducting substrate and block
Outlet, while obtaining one using a compressed spring and being detached from the strength that patch is licked, the another port point of the spray coolant pipe
It is not communicated to the intracorporal coolant liquid connector of the battery pack header tank, when the temperature of the heat-conducting substrate reaches a certain level,
Patch lick spray coolant pipe on above-mentioned heat-conducting substrate will degumming separation, allow spray coolant to come out.
5. the firebreak device of a solid state battery according to claim 1, it is characterized in that including:
The total cabinet of the battery pack of one Contiuum type of structure and exhaust pipe, the exhaust pipe inside are filled with coolant liquid, the exhaust
Tube passage leads to atmosphere end prevents atmosphere from flowing into equipped with a high pressure non-return man's cap used in ancient times, and it is total that the exhaust duct passageway leads to the battery pack
One end of cabinet, comparing low pressure non-return man's cap used in ancient times equipped with one prevents the coolant liquid from flowing into the total box house of battery pack.
6. according to claim 1 or the firebreak device of 5 one solid state batteries, it is characterized in that including:
One thermally conductive colloid, it is filled in the battery pack header tank body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493774.5A CN110335973B (en) | 2019-06-07 | 2019-06-07 | Fire protection device for solid-state battery |
| TW108126002A TWI692900B (en) | 2019-06-07 | 2019-07-23 | Fire protection device for solid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493774.5A CN110335973B (en) | 2019-06-07 | 2019-06-07 | Fire protection device for solid-state battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110335973A true CN110335973A (en) | 2019-10-15 |
| CN110335973B CN110335973B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493774.5A Active CN110335973B (en) | 2019-06-07 | 2019-06-07 | Fire protection device for solid-state battery |
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| CN (1) | CN110335973B (en) |
| TW (1) | TWI692900B (en) |
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| CN113471574A (en) * | 2021-09-02 | 2021-10-01 | 深圳联钜自控科技有限公司 | Temperature control device and method |
| CN113659228A (en) * | 2020-05-12 | 2021-11-16 | 马勒国际有限公司 | Storage battery |
| CN113725541A (en) * | 2021-09-10 | 2021-11-30 | 陕西奥林波斯电力能源有限责任公司 | Battery jar for large energy storage system |
| CN113794019A (en) * | 2021-08-17 | 2021-12-14 | 阳萍 | Explosion-proof type lithium ion battery with electrolyte discharge capacity |
| CN114069124A (en) * | 2020-07-30 | 2022-02-18 | 哲弗智能系统（上海）有限公司 | Battery box, battery pack and power supply device |
| CN115713848A (en) * | 2022-11-25 | 2023-02-24 | 中国第一汽车股份有限公司 | Battery thermal safety monitoring system based on flash early warning and power battery |
| CN116505185A (en) * | 2023-06-27 | 2023-07-28 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
| US20230318118A1 (en) * | 2022-04-05 | 2023-10-05 | GM Global Technology Operations LLC | Active thermal management systems with multi-purpose reservoirs for liquid immersion cooled battery assemblies |
| DE102022107488A1 (en) | 2022-03-30 | 2023-10-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Battery with a cooling element that can be switched on as a bypass and method for cooling a gas generated in the battery |
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| Publication number | Publication date |
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| TW202046551A (en) | 2020-12-16 |
| TWI692900B (en) | 2020-05-01 |
| CN110335973B (en) | 2022-04-15 |
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