CN207587767U - A kind of lithium ion battery fireproof anti-explosion device - Google Patents
A kind of lithium ion battery fireproof anti-explosion device Download PDFInfo
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- CN207587767U CN207587767U CN201721460833.1U CN201721460833U CN207587767U CN 207587767 U CN207587767 U CN 207587767U CN 201721460833 U CN201721460833 U CN 201721460833U CN 207587767 U CN207587767 U CN 207587767U
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- 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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Abstract
The utility model provides a kind of lithium ion battery fireproof anti-explosion device, and the fire foam of low conductivity that fire extinguisher uses in the device can not only put out lithium battery fire, but also can be covered in battery surface for a long time, prevent lithium battery resume combustion；The metal shell of high intensity is amenable to external impact and external flame burning without breakage, and lithium battery is firmly isolated in inside device；Ignite nearby combustible or lithium battery can be isolated outside the heat non-conducting to device that lithium battery burning generates in the thermal insulation layer of low thermal conductivity, and the internal lithium battery that ignites can also be isolated inside the high temperature non-conducting to device of external burning things which may cause a fire disaster.The utility model device can play the role of the protection of lithium battery fire extinguishing, inhibit resume combustion, anticollision and the external burning things which may cause a fire disaster high temperature of isolation simultaneously, prevent lithium battery combustion explosion and fire spread, and to lithium battery, possible fire threat carries out more comprehensive protection.
Description
Technical field
The utility model is related to the protection technology field of battery fire, particularly a kind of fire-proof and explosion-proof dress of lithium ion battery
It puts.
Background technology
Electric vehicle has many advantages, such as without friction, noiseless, non-pollution discharge, development prospect compared with conventional fuel oil automobile
It is wide, it has also become one of future automobile industry main strategic developing direction.Since electric vehicle enter daily life with
Come, the trend gradually increased is also presented in the fire caused by new energy car battery failure, has become limitation new-energy automobile
An important factor for further developing.At present, it is lithium battery using more power battery on new-energy automobile, lithium battery has
High-energy density, combustion process generate high fever and discharge imflammable gas, while also electric arc with violent chemical reaction
It generates.Therefore, lithium battery fire is different from general solid fire, has unique complexity and danger.
The power battery of electric vehicle is generally according to different design requirements, with several single battery groups into battery pack, then
A certain number of battery packs collectively constitute big battery pack, are typically mounted below automobile front chamber, standby cabin or automotive floor panel
Battery accommodation chamber in.When automobile collides, since external force effect causes the deformation of battery accommodation chamber that can lead to partial power
Battery damage short circuit thermal, the internal combustible that ignites cause fire.On the other hand, lithium battery may also in charge and discharge process
Cause inner heat, diaphragm failures and electrolyte is caused to gasify, causes combustion explosion；The high temperature action of external burning things which may cause a fire disaster is then easier
Make lithium battery that violent combustion explosion reaction occur.For the security threat in terms of lithium battery downthrust, part manufacturer uses
Strengthen body structure intensity, battery accommodation chamber shape is protected using the method for high-strength aluminum alloy, even titanium alloy etc materials
It is complete；Then emphasis ensures peace during lithium battery charge and discharge using more accurately battery management system for more automobile vendors
Entirely.And practical electric vehicle fire cases show that the above method is still difficult to prevent batteries of electric automobile burning completely to make
Into fire incident.Once particularly battery catches fire, the cells burst for putting out early period in time is extremely important, while protects battery not
It is ignited by the high temperature action of external burning things which may cause a fire disaster, it is also to solve the problems, such as that battery fire safety evaluating is very heavy to prevent fire hazard from further expanding
The component part wanted.
At present, there are no practicable unified standards for fire safety evaluating protection of the China to batteries of electric automobile.Patent
CN103331000A proposes a kind of electric vehicle automatic fire extinguishing system and self-extinguishing method, and the system is mainly by being placed in battery
Flame detector at receiving detects burning things which may cause a fire disaster, then starts automatic fire extinguishing system, is put out a fire using nitrogen.Patent
CN106356579A provides a kind of safe type electric automobile power battery system, and the system is mainly by being set to power battery
Temperature sensor, open fire sensor and smoke sensor device in installs case are monitored battery, when fire behavior occurs in battery
The dry powder extinguisher that triggering is similarly provided at battery chamber interior wall power battery is carried out when self-extinguishing or battery overheat
It eliminates.Patent CN202715154U provides one kind for electric automobile battery box fire control device, which passes through installation
Stent sets automatic fire extinguisher and the fire communication control module for alarming and cutting off battery case major loop, detectable to put out a fire to save life and property
Battery case spontaneous combustion caused by due to short circuit etc..Fire extinguisher used is commercially available dry powder extinguisher, aerosol
Fire extinguisher, carbon dioxide extinguisher etc..A kind of electric motor coach lithium battery for automobile power case fire that patent CN206045225U is provided
Prevention and control system, the system are controlled and are reported to automatic fire extinguisher using the control module that can be communicated with battery management system
Alert, when there is fire action signal, vehicle-mounted inert gas source device injects inert gas fire-fighting into battery case, is protected by hypoxemia
Shield makes lithium battery box in fire retardant not quick-fried state, gain time within a certain period of time for passengers inside the car's escape.
A kind of batteries of electric automobile insulating box automatic fire extinguisher that patent CN203556075U is provided, on-vehicle battery encapsulation
In in insulating box, detected in the fire signal and insulating box of battery using temperature sensor, sense smoke sensor and baroceptor
Pressure signal, when detection data exceed normal range (NR) when start electric vacuum pump to vacuumized in case reach isolation air fire extinguishing
Purpose, after fire extinguishing again into babinet supplement air maintain normal pressure.A kind of electric vehicle electricity that patent CN204230324U is provided
The high-strength high temperature-resistant flame protection device in pond includes the protective cover or protective plate that cover battery pack, the shell wall of protective cover or anti-
Backplate is laminated construction, is replaced by carbon fibre web tire and carbon cloth or carbon fibre web tire with carbon fiber-free weft fabric and elaborates at least two
Layer structure, can bear to collide strong power and blast impulse, and burning is inhibited to spread, and avoid because battery catches fire or explosion are to personnel
Caused by injury.
A kind of automobile power cell case for safety battery module that patent CN206098498U is provided is by being located in babinet
The pressure sensor and battery management control modules of wall are monitored collision on fire, and the carbon tetrachloride of babinet internal layer filling goes out
Fiery agent release when deforming or being heated is covered in battery surface and plays the role of preventing combustion explosion.Under carbon tetrachloride high temperature easily
The phosgene of severe toxicity is generated, is unfavorable for the escape of the relatively closed occupant in space.
Aerosol or dry powder fire extinguishing agent hold because its metal salt compound ingredient contained has stronger electric conductivity after dissolving
Easily cause the second short circuit of lithium battery, do not control the resume combustion of lithium battery.
Battery protection system of the prior art employs the multiple sensors such as temperature, smog, electric current, voltage to collect
Corresponding signal, and then battery is monitored, and start extinguishing device when fire behavior occurs in battery and put out a fire to battery, it uses
To extinguishing chemical have dry powder, aerosol, carbon dioxide, nitrogen, carbon tetrachloride etc..Lithium battery burning when inside with violent
Chemical reaction, the electric energy of storage finally can also be converted into thermal energy release, can generate amount of heat and fuel gas, have extremely strong
Resume combustion is only used for using the extinguishing device of the extinguishing chemicals such as conventional dry powder, aerosol, carbon dioxide, nitrogen, carbon tetrachloride
The first fire of lithium battery is put out, lithium battery resume combustion can not be prevented.The fire-fighting mode of starvation by way of vacuumizing
It is not still avoided that lithium battery resume combustion after supplement air replys normal pressure.In addition, lithium battery is easily sent out under the hot environment of fire
Raw combustion explosion, very big difficulty is brought to fire fighting and rescue and site disposal.How to design protective device causes lithium battery outside
Do not occur that combustion explosion is equally important, and the prior art is related to lithium battery to outside not yet under the effect of portion burning things which may cause a fire disaster continuous high temperature
Burning things which may cause a fire disaster resists protection.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of lithium ion battery fireproof anti-explosion devices, can be simultaneously
Preferably solve the problems, such as that combustion explosion of the lithium ion battery under the conditions of external burning things which may cause a fire disaster and internal fault is difficult to effective protection.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of lithium ion battery fireproof anti-explosion device, including battery case, sensor assembly, control module and fire extinguisher；Institute
It states battery case to be made of internal decorative layer, thermal insulation layer and the shell set gradually from the inside to the outside, battery case is used to lithium battery being isolated in
Inside battery case；
The internal decorative layer is made of carbon fiber, glass-fiber-fabric, aluminium foil or flame-retarded light material, and internal decorative layer is used to that lithium battery to be isolated
The burning things which may cause a fire disaster of burning, and play beautiful decoration；The thermal insulation layer is less than 0.15W/ by alumina silicate, aeroge or thermal conductivity factor
(mK) inorganic material is formed, and thermal insulation layer is used to that the heat that lithium battery burning generates to be isolated, and makes outside its non-conducting to battery case
Portion and inside the high temperature non-conducting to battery case of ignite nearby combustible or lithium battery and the external burning things which may cause a fire disaster of isolation, avoid igniting in
Portion's lithium battery；
Binding post is provided on the battery case, the binding post is used to connect battery case internal cell and outer lines
Road；Sensor assembly is internally provided in the battery case, the sensor assembly is connected to fire extinguisher by control module；Institute
The outside that fire extinguisher is installed on battery case is stated, the spout of fire extinguisher is passed through inside battery case；Setting fire extinguisher is electric control starting, i.e.,
The working condition of the lithium battery in battery case is monitored, and transfer signals to control module by sensor assembly, if
The signal that sensor assembly is collected is more than the threshold value of control module setting, then control module is started by electric control starting device and put out a fire
Device, and then put out a fire to lithium battery；
Medicament used in the fire extinguisher is less than the fire foam of 50 μ s/cm using conductivity；The shell of the battery case
It is made of stainless steel or metal alloy compositions, top side detachable.
Further, explosion-proof valve is additionally provided with, the explosion-proof valve is set at the top of battery case, and the protecting film in explosion-proof valve is
Microporous teflon membran has the function of air permeable waterproof, can keep balancing with external pressure inside battery case.
Further, the thermal conductivity factor of the inorganic material is less than 0.05W/ (mK), the conduction of the fire foam
Rate is less than 32 μ s/cm.
Further, the binding post is ceramic-insulated binding post.
Further, the sensor assembly is installed on the inner top or side wall of battery case.
Further, the sensor assembly is temperature sensor, and temperature sensor measures according to real-time and is output to control
When the temperature of connecting line is more than set temperature threshold value between the lithium battery surface of molding block or lithium battery, control module, which just starts, goes out
Firearm is put out a fire.
Further, the sensor assembly is smoke sensor device, and smoke sensor device carries out battery case inside real-time
Smoke Detection, and the delustring measured or smoke particle signal are output to control module, control module just starts fire extinguisher and goes out
Fire.
Further, the sensor assembly is electric signal sensor, and signal transducer passes through inside conducting wire and battery case
The positive and negative electrode connection of the lithium battery of placement detects, and the data that will be measured the voltage or electric current of lithium battery work in real time
Be output to control module, when lithium battery work voltage or electric current be more than given threshold when, control module just start fire extinguisher into
Row fire extinguishing.
Further, the sensor assembly be electric arc Ultraviolet sensor, electric arc Ultraviolet sensor to battery case inside
Electric arc electric discharge is detected in real time, when lithium battery, which generates the electric discharge of failure starting arc, the danger of combustion explosion, is generated
Arc light can generate ultraviolet light, and electric arc Ultraviolet sensor detects the ultraviolet light signal and is output to control module, and control module is just
Start fire extinguisher to put out a fire.
Further, the temperature sensor, smoke sensor device, electric signal sensor or electric arc Ultraviolet sensor are related to
Temperature threshold, voltage threshold or current threshold, need to be determined according to the lithium battery concrete model inside battery case.
Compared with prior art, the beneficial effects of the utility model are：1) can fire hazard monitoring effectively be carried out to lithium battery
And fire extinguishing, the extinguishing chemical of ejection will not generate toxic gas, the long period can be covered in battery surface, prevent the lithium battery from answering
Combustion；2) external high temperature or burning things which may cause a fire disaster can be isolated in fireproof anti-explosion device, its internal battery-temperature is protected to be in relatively low range, is not occurred
Combustion explosion；3) metal shell of fireproof anti-explosion device has higher intensity and preferable deformability, can be subjected to lithium battery
Explosion and the impact of external impact control the failure energy of cells burst explosion release in battery case without breakage
Portion prevents fire spread.
Description of the drawings
Fig. 1 is a kind of structure diagram of lithium ion battery fireproof anti-explosion device of the utility model.
Fig. 2 is a kind of sectional view of lithium ion battery fireproof anti-explosion device of the utility model.
In figure：1- battery cases；2- shells；3- thermal insulation layers；4- internal decorative layers；5- binding posts；6- sensor assemblies；7- controls mould
Block；8- fire extinguishers；9- explosion-proof valves.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
The fire risk that lithium ion battery particularly uses on electric vehicle in use, lithium ion battery are met
Combustion explosion may occur for external burning things which may cause a fire disaster or internal fault, and lithium ion battery is per se with certain energy, failure process
Three condition of burning things which may cause a fire disaster, combustible and combustion-supporting gas needed for burning can be generated, lithium-ion electric Pool fire has very strong resume combustion, difficult
Effectively to put out.
Fig. 1 is the structure diagram of the utility model, and Fig. 2 is the sectional view of Fig. 1.As shown in the figure, the utility model lithium from
Sub- battery fireproof anti-explosion device includes battery case 1, sensor assembly 6, control module 7, fire extinguisher 8 and explosion-proof valve 9.
Fire extinguisher 8 is installed on the outside of battery case 1, and 8 spout of fire extinguisher is passed through inside battery case 1, and the fire extinguisher 8 can be set
It is equipped with electric control starting device and manual start device.Wherein, electric control starting device is using the control of the prior arts such as electric control valve, hand
Dynamic starter is using the existing structures such as valve are manually booted, and with this configuration, ensures that fire extinguisher 8 can start in time, Bu Zhihuo
It fails in calamity.Medicament used in fire extinguisher 8 is less than the fire foam of 50 μ s/cm, preferred foams extinguishing chemical conductivity for conductivity
Less than 32 μ s/cm.When fire behavior occurs in lithium battery, fire extinguisher 8 starts ejection fire foam and is covered in lithium battery surface, and steep
The low electric conductivity of foam extinguishing agent will not lead to the second short circuit of lithium battery, can be covered in lithium battery surface for a long time and play fire extinguishing drop
The mild effect for inhibiting lithium battery resume combustion.
The shell 2 of battery case 1 is made of stainless steel or other metal alloy compositions, has good toughness, can resist
1000 DEG C of high temperature actions are not damaged, and top side detachable；2 good toughness of shell and high temperature resistance can anti-external impacts and outer
Portion is burnt, and holding meanss are not damaged, and lithium battery is firmly isolated in inside battery case 1.Ceramic-insulated binding post 5 is installed,
For connecting 1 internal cell of battery case and outside line.
The bottom of battery case 1 and four walls have thermal insulation layer 3 and internal decorative layer 4；Thermal insulation layer 3 by alumina silicate, aeroge or other lead
Inorganic material of the hot coefficient less than 0.15W/ (mK) is formed, and preferably thermal conductivity factor is less than 0.05W/ (mK)；Internal decorative layer 4 is by carbon
Fiber, glass-fiber-fabric, aluminium foil or other flame-retarded light materials are formed.Lithium battery burning can be not only isolated in the high thermal insulation of thermal insulation layer 3
Ignite nearby combustible or lithium battery outside the heat non-conducting to battery case 1 of generation, the high temperature of external burning things which may cause a fire disaster can also be isolated, no
Inside conduction to battery case 1, lead to the internal lithium battery that ignites；Lithium battery burning can be not only isolated in the high fire line of internal decorative layer 4
Burning things which may cause a fire disaster, while play the role of beautiful decoration.
Sensor assembly 6 is installed on 1 inner top of battery case or side wall, and the sensor assembly 6 is connect with control module 7,
The control module 7 is connect with the electric control starting device of fire extinguisher 8, and the sensor assembly 6 includes temperature sensor, smog passes
At least one of sensor, electric signal sensor, electric arc Ultraviolet sensor.By sensor assembly 6 to the lithium electricity in battery case 1
The working condition in pond is monitored, and transfers signals to control module 7, if the signal that sensor assembly 6 is collected is more than control
Module 7 set threshold value, then control module 7 by electric control starting device start fire extinguisher 8 put out a fire to lithium battery, avoid fire
The expansion of calamity.
Explosion-proof valve 9 is installed at the top of battery case 1, and the protecting film in explosion-proof valve 9 is microporous teflon membran, is had ventilative anti-
The function of water keeps 1 inside of battery case to be balanced with external pressure.
Claims (9)
1. a kind of lithium ion battery fireproof anti-explosion device, which is characterized in that including battery case (1), sensor assembly (6), control
Module (7) and fire extinguisher (8)；The battery case (1) is by the internal decorative layer (4), thermal insulation layer (3) and the shell that set gradually from the inside to the outside
(2) it forms, battery case (1) is internal for lithium battery to be isolated in battery case (1)；
The internal decorative layer (4) is made of carbon fiber, glass-fiber-fabric, aluminium foil or flame-retarded light material, and internal decorative layer (4) is electric for lithium to be isolated
The burning things which may cause a fire disaster of pond burning, and play beautiful decoration；
The thermal insulation layer (3) is made of the inorganic material of alumina silicate, aeroge or thermal conductivity factor less than 0.15W/ (mK), heat-insulated
Layer (3) for the heat that lithium battery burning generates to be isolated, make its non-conducting external to battery case (1) and ignite combustible nearby or
The high temperature non-conducting of lithium battery and the external burning things which may cause a fire disaster of isolation is internal to battery case (1), avoids the internal lithium battery that ignites；
Be provided with binding post (5) on the battery case (1), the binding post (5) for connect battery case (1) internal cell and
Outside line；
Sensor assembly (6) is internally provided in the battery case (1), the sensor assembly (6) is connected by control module (7)
It is connected to fire extinguisher (8)；The fire extinguisher (8) is installed on the outside of battery case (1), and the spout of fire extinguisher (8) is passed through battery case (1)
It is internal；It is electric control starting to set fire extinguisher (8), i.e., by sensor assembly (6) to the work shape of the lithium battery in battery case (1)
State is monitored, and transfers signals to control module (7), if the signal that sensor assembly (6) is collected is more than control module (7)
The threshold value of setting, then control module (7) starts fire extinguisher (8) by electric control starting device, and then puts out a fire to lithium battery；
Medicament used in the fire extinguisher (8) is less than the fire foam of 50 μ s/cm using conductivity；Outside the battery case (1)
Shell (2) is made of stainless steel or metal alloy compositions, top side detachable.
2. a kind of lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that be additionally provided with explosion-proof valve
(9), the explosion-proof valve (9) is set at the top of battery case (1), and the protecting film in explosion-proof valve (9) is microporous teflon membran, is had
There is the function of air permeable waterproof, battery case (1) can be kept internal and external pressure balances.
3. a kind of lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the inorganic material is led
Hot coefficient is less than 0.05W/ (mK), and the conductivity of the fire foam is less than 32 μ s/cm.
4. a kind of lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the binding post (5) is
Ceramic-insulated binding post (5).
A kind of 5. lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the sensor assembly
(6) inner top or side wall of battery case (1) are installed on.
A kind of 6. lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the sensor assembly
(6) it is temperature sensor, temperature sensor is according to lithium battery surface or the lithium battery for measuring and being output in real time control module (7)
Between connecting line temperature be more than set temperature threshold value when, control module (7) just starts fire extinguisher (8) and puts out a fire.
A kind of 7. lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the sensor assembly
(6) for smoke sensor device, smoke sensor device to carrying out real-time Smoke Detection inside battery case (1), and by the delustring measured or
Smoke particle signal is output to control module (7), and control module (7) just starts fire extinguisher (8) and puts out a fire.
A kind of 8. lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the sensor assembly
(6) it is electric signal sensor, signal transducer is connect by conducting wire with the positive and negative electrode of lithium battery placed inside battery case (1),
The voltage or electric current of lithium battery work are detected, and the data measured are output to control module (7) in real time, work as lithium battery
When the voltage or electric current of work are more than given threshold, control module (7) just starts fire extinguisher (8) and puts out a fire.
A kind of 9. lithium ion battery fireproof anti-explosion device as described in claim 1, which is characterized in that the sensor assembly
(6) it is electric arc Ultraviolet sensor, the electric arc electric discharge internal to battery case (1) of electric arc Ultraviolet sensor is detected in real time, works as lithium
When battery generation failure starting arc electric discharge has the danger of combustion explosion, the arc light generated can generate ultraviolet light, and electric arc is ultraviolet
Sensor detects the ultraviolet light signal and is output to control module (7), and control module (7) just starts fire extinguisher (8) and goes out
Fire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460833.1U CN207587767U (en) | 2017-11-06 | 2017-11-06 | A kind of lithium ion battery fireproof anti-explosion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460833.1U CN207587767U (en) | 2017-11-06 | 2017-11-06 | A kind of lithium ion battery fireproof anti-explosion device |
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| CN207587767U true CN207587767U (en) | 2018-07-06 |
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ID=62730953
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681067A (en) * | 2017-11-06 | 2018-02-09 | 公安部四川消防研究所 | A kind of lithium ion battery fireproof anti-explosion device |
| CN109904871A (en) * | 2019-03-29 | 2019-06-18 | 郑州中熙能源股份有限公司 | A kind of monitoring system on the spot for high power lithium battery energy storage |
| CN112103448A (en) * | 2020-09-23 | 2020-12-18 | 恒大新能源汽车投资控股集团有限公司 | Explosion-proof valve and battery |
| CN112172514A (en) * | 2020-06-15 | 2021-01-05 | 北京理工大学 | Explosion-proof safe oil tank |
| CN112670642A (en) * | 2021-01-28 | 2021-04-16 | 唐山鹏安科技有限公司 | Inert gas protection method for explosion-proof lithium battery power supply during combustion |
| CN112789761A (en) * | 2018-12-20 | 2021-05-11 | 宝马股份公司 | Method for producing a high-voltage energy store and high-voltage energy store |
| CN114069282A (en) * | 2021-11-16 | 2022-02-18 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
| CN114935624A (en) * | 2022-06-02 | 2022-08-23 | 广州市建筑材料工业研究所有限公司 | Method and device for testing ignition performance of soft furniture in resisting explosion of mobile phone battery |
| CN115832538A (en) * | 2023-02-27 | 2023-03-21 | 深圳市誉铭旺电子股份有限公司 | New forms of energy group battery |
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2017
- 2017-11-06 CN CN201721460833.1U patent/CN207587767U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681067A (en) * | 2017-11-06 | 2018-02-09 | 公安部四川消防研究所 | A kind of lithium ion battery fireproof anti-explosion device |
| CN112789761A (en) * | 2018-12-20 | 2021-05-11 | 宝马股份公司 | Method for producing a high-voltage energy store and high-voltage energy store |
| CN109904871A (en) * | 2019-03-29 | 2019-06-18 | 郑州中熙能源股份有限公司 | A kind of monitoring system on the spot for high power lithium battery energy storage |
| CN112172514A (en) * | 2020-06-15 | 2021-01-05 | 北京理工大学 | Explosion-proof safe oil tank |
| CN112172514B (en) * | 2020-06-15 | 2021-08-10 | 北京理工大学 | Explosion-proof safe oil tank |
| CN112103448A (en) * | 2020-09-23 | 2020-12-18 | 恒大新能源汽车投资控股集团有限公司 | Explosion-proof valve and battery |
| CN112103448B (en) * | 2020-09-23 | 2023-03-10 | 恒大新能源汽车投资控股集团有限公司 | Explosion-proof valve and battery |
| CN112670642A (en) * | 2021-01-28 | 2021-04-16 | 唐山鹏安科技有限公司 | Inert gas protection method for explosion-proof lithium battery power supply during combustion |
| CN114069282A (en) * | 2021-11-16 | 2022-02-18 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
| CN114069282B (en) * | 2021-11-16 | 2024-01-26 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
| CN114935624A (en) * | 2022-06-02 | 2022-08-23 | 广州市建筑材料工业研究所有限公司 | Method and device for testing ignition performance of soft furniture in resisting explosion of mobile phone battery |
| CN115832538A (en) * | 2023-02-27 | 2023-03-21 | 深圳市誉铭旺电子股份有限公司 | New forms of energy group battery |
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