CN115020830A - Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell - Google Patents
Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell Download PDFInfo
- Publication number
- CN115020830A CN115020830A CN202210602160.8A CN202210602160A CN115020830A CN 115020830 A CN115020830 A CN 115020830A CN 202210602160 A CN202210602160 A CN 202210602160A CN 115020830 A CN115020830 A CN 115020830A
- Authority
- CN
- China
- Prior art keywords
- battery
- thermal runaway
- safety
- energy storage
- liquid injection
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- 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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
-
- 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
-
- 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
- H01M50/383—Flame arresting or ignition-preventing means
-
- 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)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a safety barrier blasting method for thermal runaway of an immersed chemical energy storage battery cell, which comprises the following steps of firstly determining a thermal runaway battery; then shutting down the thermal runaway battery; the safety liquid injection device of the thermal runaway battery is started, the safety liquid is injected to immerse the battery core, the gas guide device of the thermal runaway battery is opened, gas in the thermal runaway battery is led out, finally, pipeline gas liquid is led out by starting the pipeline negative pressure extraction device, the thermal runaway battery can be prevented from being damaged by flatulence, the safety liquid injection device is a key measure in the grading separation measure of the thermal runaway battery, the generation of the thermal runaway can be effectively separated by immersing the battery core, the expansion of the thermal runaway can be prevented, the loss of the thermal runaway battery can be controlled in the minimum range, the influence on the normal operation of the energy storage system can be avoided, and secondary disasters such as battery combustion or explosion and the like, which are generated by the energy storage system, can be effectively inhibited; the safety of the energy storage system is improved.
Description
Technical Field
The invention relates to the technical field of energy storage system safety management, in particular to a safety barrier blasting method for thermal runaway of an immersed chemical energy storage battery cell.
Background
At present, the scale of an energy storage system becomes larger, a control strategy becomes more complex, safety control is very important in various control strategies, the health state of each energy storage unit in the complex energy storage system can have great influence on the whole system, a container energy storage system becomes a focus of attention with the advantages of high integration degree, mobility, high environmental adaptability and the like, the density of battery arrangement in an energy storage box body is gradually improved, so that a large amount of heat generated by batteries is difficult to be rapidly discharged, the phenomenon of heat accumulation can occur among the batteries, among battery packs and among the battery packs, the temperature and the temperature difference of the batteries are larger, under the operation requirement of a long time scale, great influence can be generated on the working efficiency, the safety performance and the cycle life of the energy storage system, heat is out of control under the serious condition, serious safety accidents are caused, container type energy storage equipment not only needs to be subjected to temperature and humidity control, and heat management, and also needs to ensure the safe operation of the energy storage system to ensure that the battery in the energy storage system is in the optimal operating temperature range, reduce the temperature of the battery with abnormal operation to the maximum extent, inhibit the thermal runaway behavior, and block the thermal spread.
Therefore, each energy storage unit and the working environment state thereof need to be monitored in real time in the energy storage system, and meanwhile, different prevention and control measures need to be taken according to different out-of-control states, so that the working time is prolonged to the maximum extent under the condition that the energy storage system is in a safe working state.
With the expansion of the use scale of new energy, chemical energy batteries in the new energy are increasingly used, but the chemical energy batteries are easy to generate serious problems of battery ignition, combustion, explosion and the like in the use process, and most of the accidents are caused by thermal runaway of the batteries. Meanwhile, national regulations strengthen the management of the thermal runaway problem of the new energy battery, and require that the fault treatment, the alarm mechanism and the information transmission of the dangerous event after the thermal runaway occurs meet the requirements of the regulations, and how to treat the whole system after the thermal runaway event occurs can avoid the further expansion of the fault, so that the corresponding strategy and the safety measure are urgently needed to be researched.
Disclosure of Invention
In view of the above, the present invention provides a method for preventing a thermal runaway phenomenon of a battery by immersing a battery cell with a safety liquid injected into the battery, and the method is used for preventing the thermal runaway phenomenon of the battery.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a safe blocking blasting method for thermal runaway of an immersed chemical energy storage battery cell, which comprises the following steps of:
s1: determining a thermal runaway battery in the energy storage battery;
s2: shutting down the thermal runaway battery;
s3: and starting a safety liquid injection device of the thermal runaway battery, and injecting safety liquid to immerse the battery core.
Further, when the safety liquid injection device for the thermal runaway battery injects the safety liquid, gas in the thermal runaway battery is led out at the same time.
Further, the gas leading-out is performed in the following manner:
and opening the gas guide device of the thermal runaway battery, starting the pipeline negative pressure extraction device, and guiding out the pipeline gas liquid.
Further, when the thermal runaway battery is not opened under the action of the control signal of the safety liquid injection device, the safety liquid injection device of the thermal runaway battery is opened in a passive mode.
Further, the air guide device is a pressure relief device.
Further, when the thermal runaway battery safety liquid injection device is opened in a passive mode, the thermal runaway battery safety liquid injection device can be opened in a physical mechanical mode, wherein the physical mechanical mode is a mode that the thermal runaway battery safety liquid injection device is opened by acting pressure in the thermal runaway battery on the safety liquid injection device.
Further, the safety liquid device is annotated to thermal runaway battery opens through the passive mode, still can adopt following mode:
the method comprises the steps that pressure in the thermal runaway battery acts on the thermal runaway battery safety liquid injection device to generate a control signal for opening the thermal runaway battery safety liquid injection device, and the thermal runaway battery safety liquid injection device is opened through the control signal.
Further, the pipeline extraction device is a negative pressure extraction device or a power-source-free air guide device.
Further, the safety liquid injected into the safety liquid injection device is connected with the liquid supplementing pipeline through a liquid storage tank of the liquid inlet pipe.
Further, the battery is a battery core or a battery monomer.
The invention has the beneficial effects that:
the invention provides a safe blocking blasting method for thermal runaway of an immersed chemical energy storage battery cell, which comprises the following steps of firstly determining a thermal runaway battery; then shutting down the thermal runaway battery; the safety liquid injection device of the thermal runaway battery is started, the safety liquid is injected to immerse the battery core, the gas guide device of the thermal runaway battery is opened, gas in the thermal runaway battery is led out, finally, pipeline gas liquid is led out by starting the pipeline negative pressure extraction device, the thermal runaway battery can be prevented from being damaged by flatulence, the safety liquid injection device is a key measure in the grading separation measure of the thermal runaway battery, the generation of the thermal runaway can be effectively separated by immersing the battery core, the expansion of the thermal runaway can be prevented, the loss of the thermal runaway battery can be controlled in the minimum range, the influence on the normal operation of the energy storage system can be avoided, and secondary disasters such as battery combustion or explosion and the like, which are generated by the energy storage system, can be effectively inhibited; the safety of the energy storage system is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
fig. 1 is a flow chart of a safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell.
Fig. 2 is a front view of a primary thermal runaway safety barrier blasting structure of a chemical energy storage battery.
Fig. 3 is a top view of a primary thermal runaway safety barrier blasting structure of a chemical energy storage battery.
In the figure, 1-battery, 11-battery positive electrode, 12-battery negative electrode, 13-battery safety negative pressure valve, 14-battery explosion-proof valve, 15-battery primary safety liquid injection valve, 16-module level battery primary safety liquid injection valve and 17-module level battery primary safety liquid injection backup valve;
2-air guide device, 21-power exhaust device with pipeline opening and closing valve structure, 3-battery pack, 4-battery compartment, 5-main safety liquid supply device, 6-liquid storage tank and 7-liquid supply pump.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1, the safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell provided in this embodiment includes the following steps:
s1: determining a thermal runaway battery in the energy storage battery;
the method comprises the steps of judging whether the battery is out of control due to thermal runaway or not according to collected monitoring parameter signals of the energy storage battery, analyzing the monitoring parameter signals of the battery to obtain working state information of the battery, and judging that the battery is out of control due to thermal runaway when the working state of the battery is consistent with a preset thermal runaway judgment condition; the monitoring parameter signal in the embodiment includes any one or a combination of a plurality of temperature signals, voltage signals, current signals, gas pressure, gas types and gas concentrations of the battery; or a parameter signal calculated from the monitoring signal. If the battery is judged not to generate thermal runaway according to the overall analysis result, corresponding regulation and control measures are taken according to the actual state of the battery to keep the energy storage system to normally operate; the corresponding regulation and control measures can be determined to be taken for the battery according to actual conditions, for example, the liquid cooling regulation and control measures and the temperature equalization regulation and control measures can be taken for the single battery, the independent liquid cooling regulation and control measures or the independent temperature equalization regulation and control measures can be taken, and the liquid cooling regulation and control measures and the temperature equalization regulation and control measures which share a pipeline can also be taken; and the liquid cooling regulation and control measures and the temperature equalization regulation and control measures can be carried out simultaneously or independently.
S2: the thermal runaway battery is closed, and the thermal runaway expansion of the battery can be controlled in time by closing the thermal runaway battery; in this embodiment, if the battery is in thermal runaway, the thermal runaway battery is immediately turned off, and the battery pack in which the thermal runaway battery is located can be turned off at the same time.
S3: and starting a safety liquid injection device of the thermal runaway battery, and injecting safety liquid to immerse the battery core.
When closing battery or battery package, open thermal runaway battery liquid injection valve, inject safety liquid into the thermal runaway battery, submergence electric core part gradually, simultaneously, open thermal runaway battery's air guide device or discharge valve, start pipeline negative pressure draw-out device, lead out pipeline gaseous liquid, this embodiment battery injects the bottom that safety liquid can follow the battery and injects, when the bottom of safety liquid from the battery inside rises, can discharge the battery with the gas of battery inside gradually. The specific process is as follows:
the exhaust valve in this embodiment may also be a battery safety negative pressure valve, that is, when the battery is filled with a safety liquid, gas in the battery is simultaneously discharged; this thermal runaway battery's discharge valve also can be the relief valve of battery, and gas or liquid in with the battery through this relief valve are discharged into the pipeline of being connected with the relief valve, avoid gas or liquid to produce the flatulence in the thermal runaway battery, and the structure of destroying the thermal runaway battery or even cause the combustion explosion to be in when the safety liquid device is annotated to the thermal runaway battery pours into the safety liquid, exports the gas in the thermal runaway battery simultaneously.
When the liquid is injected into the thermal runaway battery, the refrigerating device of the temperature equalizing system can be started to cool the battery or the battery pack at the same time, so that the thermal runaway of the thermal runaway to the adjacent battery is delayed or blocked.
In the embodiment, when the thermal runaway battery is not opened under the action of the control signal of the safety liquid injection device, the safety liquid injection device of the thermal runaway battery can be opened in a passive mode.
When the safety liquid injection device for the thermal runaway battery in the embodiment is opened in a passive mode, the safety liquid injection device can be opened in a physical mechanical mode, wherein the physical mechanical mode is a mode that the safety liquid injection device is acted by pressure in the thermal runaway battery and is opened by the thermal runaway battery; or the thermal runaway battery safety liquid injection device is opened in a passive mode, and the following modes can be adopted: the method comprises the steps that pressure in the thermal runaway battery acts on the thermal runaway battery safety liquid injection device to generate a control signal for opening the thermal runaway battery safety liquid injection device, and the thermal runaway battery safety liquid injection device is opened through the control signal.
In this embodiment, a passive valve capable of being flushed by the internal air pressure of the battery may be disposed at the liquid injection valve of the battery, and when the content of the battery reaches a preset pressure value, the passive valve is opened by the internal air pressure under the action of the pressure, and at this time, the liquid injection device may inject the safety liquid into the battery through the valve; in another mode, the passive valve can be opened by air pressure in the battery through the passive valve arranged on the battery filling valve or the pressure release valve or other proper parts, a control signal capable of controlling the filling valve is generated when the passive valve is opened, the signal is transmitted to the filling valve control unit, the filling valve is controlled by the filling valve control unit, the filling valve is opened, and the safety liquid is filled into the battery. The passive valve provided by this embodiment may be a diaphragm disposed on the battery, the diaphragm may be broken when the internal air pressure of the battery exceeds a preset value, and a signal generated by a sensing element disposed at the diaphragm when the diaphragm is broken generates a control signal for controlling the opening of the filling valve.
The gas export of this example was carried out as follows:
and starting the gas guide device of the battery, opening the pipeline negative pressure extraction device, and guiding the pipeline gas liquid out of the energy storage system.
The gas guide device in this embodiment's pipeline one end is connected with the negative pressure valve of thermal runaway battery, relief valve or discharge valve, the pipeline can be connected with the air guide main pipe, be provided with negative pressure draw-out device on the pipeline, like negative pressure pump and its control valve, make the pipeline form the negative pressure state through the negative pressure pump, gas or liquid in the thermal runaway battery are sucked to the pipeline from the battery is inside in the negative pressure effect descends, and go on constantly, can prevent that gas is too much to cause harm to the battery, perhaps pile up in the negative pressure pipeline, thereby cause and can not in time discharge gas or liquid in the battery.
As shown in fig. 2 and 3, in the drawings, the battery is an electric core or a single battery, the battery provided in this embodiment is provided with a positive battery electrode, a negative battery safety pressure valve, a battery explosion-proof valve, and a primary battery safety liquid injection valve, each primary battery safety liquid injection valve is connected with a primary module-level battery safety liquid injection valve for providing a safety liquid for the battery through a pipeline, the primary module-level battery safety liquid injection valve is connected with a primary module-level battery safety liquid injection backup valve in parallel, and the primary module-level battery safety liquid injection valve is connected with the primary module-level battery safety liquid injection backup valve in parallel and then connected with the inlet end of the primary battery safety liquid injection valve; the first-level safety liquid injection device in the embodiment is a battery first-level safety liquid injection valve, if the module-level battery first-level safety liquid injection valve fails, the module-level battery first-level safety liquid injection backup valve can be started to inject safety liquid into the battery first-level safety liquid injection valve, so that the safety liquid can be ensured to be injected into the battery first-level safety liquid injection valve, and the module in the embodiment is an energy storage bag formed by a plurality of batteries. The module level battery primary safety liquid injection valve is a control valve for providing a safety liquid pipeline for all batteries of the energy storage pack.
The air guide device of this embodiment can adopt pressure relief device, the pipeline draw-out device is negative pressure draw-out device or the air guide device that does not have the power, the safety liquid that pours into among the safety liquid device of annotating passes through the liquid storage pot and the fluid infusion pipeline connection of feed liquor pipe.
The battery safety negative pressure valve is connected with the gas guide device through a pipeline, the gas guide device adopts a power exhaust device, the power exhaust device can be positioned in each battery compartment or in the safety management compartment, and the battery generated gas is discharged out of the energy storage system through the power exhaust device; the power exhaust device can adopt a structure with a pipeline opening and closing valve.
The main safety liquid supply device in this embodiment may be located in a safety management compartment, and a primary safety liquid supply device out of thermal runaway may be disposed in the battery compartment, where the safety liquid supply device includes a liquid storage tank and a liquid supply pump, and one end of the liquid supply pump is connected to the liquid storage tank, and the other end of the liquid supply pump is connected to a safety liquid injection valve and a safety liquid injection backup valve, and is used to inject safety liquid into the battery. When the safety liquid in the liquid storage tank located in the battery compartment is insufficient or deficient, the main safety liquid supply device replenishes the safety liquid for the liquid storage tank.
When the explosion-proof device on the battery is opened, a thermal runaway blocking secondary safety measure is started, safety liquid is injected through a liquid injection valve on a battery pack where the thermal runaway battery is located, and gas in the battery pack is led out of the energy storage system through the gas guide device.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell is characterized by comprising the following steps: the method comprises the following steps:
s1: determining a thermal runaway battery in the energy storage battery;
s2: shutting down the thermal runaway battery;
s3: and starting a safety liquid injection device of the thermal runaway battery, and injecting safety liquid to immerse the battery core.
2. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 1, wherein the method comprises the following steps: when the safety liquid injection device for the thermal runaway battery injects the safety liquid, gas in the thermal runaway battery is led out at the same time.
3. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 1, wherein the method comprises the following steps: the gas removal is carried out in the following manner:
and opening the gas guide device of the thermal runaway battery, starting the pipeline negative pressure extraction device, and guiding out the pipeline gas liquid.
4. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 1, wherein the method comprises the following steps: when the thermal runaway battery is not opened under the action of the control signal of the safety liquid injection device, the safety liquid injection device of the thermal runaway battery is opened in a passive mode.
5. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 3, wherein: the air guide device is a pressure relief device.
6. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 4, wherein the method comprises the following steps: when the safety liquid injection device for the thermal runaway battery is opened in a passive mode, the safety liquid injection device can be opened in a physical mechanical mode, wherein the physical mechanical mode is a mode that the safety liquid injection device is acted by pressure in the thermal runaway battery and is opened by injecting the thermal runaway battery into the safety liquid injection device.
7. The method for the safe barrier blasting of the thermal runaway of the immersed chemical energy storage cell of claim 4, wherein: the safety liquid injection device for the thermal runaway battery is opened in a passive mode, and the following modes can be adopted:
the method comprises the steps that pressure in the thermal runaway battery acts on the thermal runaway battery safety liquid injection device to generate a control signal for opening the thermal runaway battery safety liquid injection device, and the thermal runaway battery safety liquid injection device is opened through the control signal.
8. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 3, wherein: the pipeline extraction device is a negative pressure extraction device or a power-source-free air guide device.
9. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 1, wherein the method comprises the following steps: the safety liquid injected into the safety liquid injection device is connected with the liquid supplementing pipeline through the liquid storage tank of the liquid inlet pipe.
10. The safety barrier blasting method for thermal runaway of an immersed chemical energy storage cell of claim 1, wherein the method comprises the following steps: the battery is a battery core or a battery monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602160.8A CN115020830A (en) | 2022-05-30 | 2022-05-30 | Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602160.8A CN115020830A (en) | 2022-05-30 | 2022-05-30 | Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115020830A true CN115020830A (en) | 2022-09-06 |
Family
ID=83071050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210602160.8A Pending CN115020830A (en) | 2022-05-30 | 2022-05-30 | Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115020830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-05-30 CN CN202210602160.8A patent/CN115020830A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116505185B (en) * | 2023-06-27 | 2023-10-03 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110112504A (en) | A method of preventing lithium ion battery thermal runaway | |
| CN115020830A (en) | Safety barrier blasting method for thermal runaway of immersed chemical energy storage battery cell | |
| US20130070887A1 (en) | Reactor adapted for mitigating loss-of-coolant accident and mitigation method thereof | |
| CN205231142U (en) | Fire -retardant device of battery energy storage system | |
| CN112670661A (en) | Gassing fluid infusion management formula large capacity lithium titanate battery | |
| CN107851861A (en) | A kind of battery pack | |
| CN114175350B (en) | Method for thermal runaway detection and battery management system | |
| CN115020859A (en) | Safety barrier blasting method for immersed chemical energy storage thermal runaway | |
| CN208990109U (en) | A kind of container-type lithium electricity energy storage fire extinguishing system | |
| CN111947863A (en) | Method and equipment for detecting leakage of cooling liquid of energy storage device of electric automobile | |
| CN115954569A (en) | Energy storage battery thermal runaway monitoring processing system and method | |
| CN114937776A (en) | Safety barrier blasting method for thermal runaway of immersed chemical energy storage device | |
| CN212789501U (en) | Fire-fighting system of container energy storage battery cabinet | |
| CN212395677U (en) | Early warning fire extinguishing system for lithium ion battery thermal runaway | |
| CN206505168U (en) | A kind of safety device of electrokinetic cell bag experiment | |
| CN220474833U (en) | Explosion-proof export system of chemical energy storage monomer/module | |
| CN213936474U (en) | Quantitative acid adding device for battery | |
| CN213636094U (en) | Echelon battery pack safety inspection structure and echelon battery pack | |
| CN114599195A (en) | Cooling system capable of realizing automatic liquid injection function and automatic liquid injection method | |
| CN206610884U (en) | Lithium ion battery bag thermal runaway control system cisten mechanism | |
| CN219591449U (en) | Explosion tube linkage protection device of main waterway of hydrogen fuel cell | |
| CN117276797A (en) | Explosion-proof export system of chemical energy storage monomer/module | |
| CN219350351U (en) | Safety barrier thermal runaway system of chemical energy storage bag | |
| CN214898603U (en) | Lithium ion energy storage battery pack thermal management system based on palladium alloy sensor | |
| CN219350333U (en) | Safety heat-insulating runaway system for chemical energy storage monomer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |