CN208548429U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
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- CN208548429U CN208548429U CN201821213203.9U CN201821213203U CN208548429U CN 208548429 U CN208548429 U CN 208548429U CN 201821213203 U CN201821213203 U CN 201821213203U CN 208548429 U CN208548429 U CN 208548429U
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- battery
- caisson
- storage space
- lithium ion
- gas
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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
Abstract
This application involves a kind of lithium ion batteries.The lithium ion battery includes multiple battery modules, caisson and control device.The battery modules include module casing.The module casing includes battery cell storage space.The surface of the module casing is provided with the first safety valve.The caisson is connected to the battery cell storage space.The control device is electrically connected with the caisson.The control device inputs diluent gas to the battery cell storage space to control the caisson.The control device can control the caisson and input diluent gas to the battery cell storage space.When inflammable gas is erupted in the battery cell breakage in the battery cell storage space, the caisson can spray diluent gas into the battery cell storage space.The diluent gas can reduce the temperature of the inflammable gas, and dilute the inflammable gas, avoid the inflammable gas it is on fire, explosion.
Description
Technical field
This application involves field of batteries, more particularly to a kind of lithium ion battery.
Background technique
In recent years, the market share of electric car is promoted steadily.There is lithium ion battery high voltage, high-energy-density, length to follow
The excellent performances such as ring service life, no pollution to the environment by the highest attention of ev industry, and obtain certain application.So
And combustion mixture, such as H can be generated during lithium ion battery thermal runaway2、CO、CH4Deng, and accumulate in inside battery.In electricity
After reaching certain pressure boundary inside pond, safety valve is opened, and combustion mixture is discharged into external environment as battery erupts.
In battery ejection process, battery surface temperature can reach 1000 DEG C or so, and Mars is usually associated in eruption, fire
Star surface temperature is about 600~1200 DEG C or so.Since battery high-temperature surface and Mars temperature are much higher than gaseous state eruption
Ignition temperature Ignition Phenomena will easily occur, and cause fire once eruption injection contacts in air and with oxygen.
In addition, but if gradually running up to certain amount, also may be used even if Ignition Phenomena does not occur in the gaseous state eruption after battery eruption
Explosion phenomenon can be will appear, harmfulness will be bigger.Therefore, battery eruption is to cause lithium-ion electric Pool fire even to explode thing
Therefore one of security risk.The fire and explosion accident that lithium ion battery thermal runaway causes appear in the newspapers repeatly, and safety issue becomes
Hinder it in one of the principal element of electrical source of power industry large-scale commercial application.
Principal concern is the design of hard shell battery safety valve in the prior art, i.e. battery safety valve has certain unlatching
Pressure.When inside battery gas pressure reaches certain value, safety valve is opened so that inside battery gas is discharged to external environment,
It avoids causing battery explosion phenomenon.But after inside battery gas is discharged into external environment, it is easy to when being contacted with oxygen full
Sufficient ignition condition, and there is Ignition Phenomena, easily cause fire.
Utility model content
Based on this, it is necessary to be discharged into external environment for gas caused by existing lithium ion battery and be contacted with oxygen
After the problem of being easy to appear Ignition Phenomena, a kind of lithium ion battery is provided.
A kind of lithium ion battery, including
Multiple battery modules, the battery modules include module casing, and the module casing includes that battery cell storage is empty
Between, the surface of the module casing is provided with the first safety valve；
Caisson is connected to the battery cell storage space；And
Control device is electrically connected with the caisson, is stored to control the caisson to the battery cell
Space inputs diluent gas.
In one embodiment, further includes:
First injection apparatus is disposed adjacent with first safety valve, first injection apparatus and the caisson
Connection, to spray diluent gas to first safety valve；
First pipeline is connected to first injection apparatus and the caisson.
In one embodiment, the control device is electrically connected with first injection apparatus, to control described first
The opening and closing of injection apparatus.
In one embodiment, further include pressure sensitive device, be set to the battery cell storage space, with the control
Device electrical connection processed, to incude the gas pressure intensity in the battery cell storage space.
In one embodiment, including the second pipeline, the surface of the module casing are provided with the first unidirectional air delivery device,
The first unidirectional air delivery device is electrically connected with the control device, caisson described in second pipeline connection and described
One unidirectional air delivery device.
In one embodiment, further include switch element, be set between the caisson and second pipeline, use
To control the on-off of second pipeline.
In one embodiment, the output end of the caisson is provided with the second safety valve.
In one embodiment, further include gas sensing device, be set to the battery cell storage space, with the control
Device electrical connection processed, the gas to the release of induced cell monomer.
A kind of lithium ion battery, comprising:
Battery pack, including battery pack housing and at least one battery modules, the battery pack housing include a battery mould
Group storage space, at least one described battery modules are set to the battery modules storage space, the battery pack surface of shell
It is provided with third safety valve；
Caisson is connected to the battery modules storage space, and
Control device is electrically connected with the caisson, is stored to control the caisson to the battery modules
Space inputs diluent gas.
In one embodiment, further include the second unidirectional air delivery device, be set to the battery pack housing, the gas storage dress
It sets and is connected to the described second unidirectional air delivery device, the control device is electrically connected with the described second unidirectional air delivery device, to control
Make the opening and closing of the described second unidirectional air delivery device.
In one embodiment, further include the second injection apparatus, be disposed adjacent with the third safety valve, second spray
Injection device is connected to the caisson, to spray diluent gas to the third safety valve.
Lithium ion battery provided by the embodiments of the present application, the control device can control the caisson to the electricity
Pond monomer storage space inputs diluent gas.When inflammable gas is erupted in the battery cell breakage in the battery cell storage space
When, the caisson can spray diluent gas into the battery cell storage space.The diluent gas can reduce
The temperature of the inflammable gas, and dilute the inflammable gas, avoids that the inflammable gas is on fire, explosion.
Detailed description of the invention
Fig. 1 provides lithium ion battery schematic diagram for the embodiment of the present application；
Fig. 2 provides lithium ion battery schematic diagram for another embodiment of the application；
Fig. 3 provides lithium ion battery schematic diagram for another embodiment of the application.
Description of symbols
Lithium ion battery 10
Battery modules 100
Module casing 110
Battery cell storage space 120
Pressure sensitive device 121
Gas sensing device 122
First safety valve 123
First unidirectional air delivery device 124
Caisson 200
Second safety valve 210
Switch element 220
Control device 300
First injection apparatus 410
Second injection apparatus 420
First pipeline 430
Second pipeline 440
Battery pack housing 500
Battery modules storage space 510
Third safety valve 520
Second unidirectional air delivery device 530
Battery pack 600
Cable 610
Battery cell 620
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, by the following examples, and combine attached
Figure, is further elaborated the lithium ion battery of the application.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).In the description of the present application, it is to be understood that term " on ", "lower", "front", "rear", " left side ",
The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed
System indicates to be based on the orientation or positional relationship shown in the drawings, being merely for convenience of description the application and simplifying description
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Figure 1, the application provides a kind of lithium ion battery 10.The lithium ion battery 10 includes multiple battery modules
100, caisson 200 and control device 300.The battery modules 100 include module casing 110.The module casing 110 wraps
Include battery cell storage space 120.The surface of the module casing 110 is provided with the first safety valve 123.The caisson
200 are connected to the battery cell storage space 120.The control device 300 is electrically connected with the caisson 200.It is described
Control device 300 inputs diluent gas to the battery cell storage space 120 to control the caisson 200.
In the present embodiment, the multiple battery modules 100, which are arranged successively, may be constructed the lithium ion battery 10.The lithium
Ion battery 10 can be applied to electric car.The module casing 110 can be made of polyester material.The module casing
110 can be with shapes such as cubes.Multiple battery cells 620 can be set in the battery cell storage space 120.The battery
Monomer 620 can be with matrix arrangement.First safety valve 123 can be set in some surface of the module casing 110
It is intermediate.First safety valve 123 can be mechanical safety valve.First safety valve 123 can be in the battery cell
Pressure in storage space 120 is opened after reaching a certain level.
In the present embodiment, the caisson 200 is to store diluent gas.The diluent gas can be titanium dioxide
The inert gases such as carbon, nitrogen, argon gas.The gas erupted after 620 breakage of battery cell may include hydrogen, carbon monoxide,
The inflammable gases such as methane.Gas after the battery cell 620 erupts also has high temperature.Therefore work as hydrogen, carbon monoxide, methane
Equal inflammable gases are easy to light or explode after contacting with the air.The inflammable gas can be diluted by the diluent gas
Concentration.As thinner ratio increases, the burning bound for the gaseous mixture being made of the inflammable gas and the diluent gas is in liter
High trend, gaseous mixture combustibility reduce and tend to be non-combustible.In addition, the gaseous mixture thermal capacitance is significantly as thinner ratio increases
Increase, leads to the reduction of its maximum temperature.Therefore the diluent gas can reduce the temperature of the inflammable gas.Therefore pass through institute
Air burning or explosion can be met to avoid the inflammable gas gushed out from the battery cell 620 by stating diluent gas.
In one embodiment, the control device 300 can be battery management system.The control device 300 can be with
Control the opening and closing of the caisson 200.The control device 300 can by manually controlling, can also according to air pressure or
Gas component controls the opening and closing of the caisson.
The lithium ion battery 10 provided by the embodiments of the present application.The control device 300 can control the gas storage dress
It sets 200 and inputs diluent gas to the battery cell storage space 120.Battery in the battery cell storage space 120
When the damaged eruption inflammable gas of monomer 620, the caisson 200 can be into the battery cell storage space 120
Spray the injection diluent gas.The diluent gas can reduce the temperature of the inflammable gas, and dilute the easy combustion gas
Body avoids the inflammable gas from burning or explode.
In one embodiment, the lithium ion battery 10 can also include the first injection apparatus 410 and the first pipeline
430.First injection apparatus 410 is disposed adjacent with first safety valve 123.First injection apparatus 410 with it is described
Caisson 200 is connected to.First injection apparatus 410 is to spray diluent gas to first safety valve 123.Described
One pipeline 430 is connected to first injection apparatus 410 and the caisson 200.First injection apparatus 410 can have
Multiple jet ports.When first safety valve 123 is opened, and after discharging inflammable gas, first injection apparatus 410 can be to
The diluent gas is sprayed in the exit of first safety valve 123, to dilute the inflammable gas.First injection apparatus
410 diluent gas sprayed can have larger flow velocity.The diluent gas of larger flow velocity can by air with it is described
Inflammable gas isolation, therefore can have preferable isolation effect, it burns or explodes to avoid the inflammable gas.
In one embodiment, the control device 300 is electrically connected with first injection apparatus 410, to control
State the opening and closing of the first injection apparatus 410.It is sprayed when the battery cell 620 gushes out inflammable gas from first safety valve 123
After out, the control device 300 opens first injection apparatus 410.The caisson 200 conveys the diluent gas
Extremely first injection apparatus 410, and sprayed towards the outlet of first safety valve 123.
In one embodiment, first injection apparatus 410 is electrically connected by cable 610 with the control device 300.
In one embodiment, the lithium ion battery 10 further includes pressure sensitive device 121.The pressure sensitive device
121 are set to the battery cell storage space 120.In one embodiment, the pressure sensitive device 121, which is set to, closes on
At first safety valve 123.In one embodiment, when the battery cell 620 is hard shell battery, first safety valve
123 are layer adjacent to the center in a face of the module casing 110 of the battery cell safety valve.The feeling of stress
Device 121 is answered to be electrically connected with the control device 300.The pressure sensitive device 121 is to incude the battery cell storage
Gas pressure intensity in space 120.It is described after the pressure that the pressure sensitive device 121 senses reaches a upper safety limit value
Control device 300 can control the caisson 200 and input the diluent gas to the battery cell storage space 120.
The diluent gas can dilute the inflammable gas, and cool down to the inflammable gas.When the battery cell storage space
When air pressure in 120 reaches the unlatching air pressure of first safety valve 123, first safety valve 123 can be by the dilution
The mixed gas of gas and the inflammable gas is outwardly discharged.The nonflammable explosion of the mixed gas of discharge, improves
The security performance of the lithium ion battery 10.
In one embodiment, the lithium ion battery 10 further includes the second pipeline 440.The table of the module casing 110
Face is provided with the first unidirectional air delivery device 124.The first unidirectional air delivery device 124 is electrically connected with the control device 300.Institute
It states the second pipeline 440 and is connected to the caisson 200 and the first unidirectional air delivery device 124.The first unidirectional gas transmission dress
Setting 124 can be mechanical check valve.It can be to the battery cell storage space by the described first unidirectional air delivery device 124
Gas is inputted in 120.Gas in the battery cell storage space 120 can not pass through the described first unidirectional air delivery device 124
Outwardly it is discharged.
In one embodiment, the described first unidirectional air delivery device 124 is respectively arranged at institute with first safety valve 123
State two opposite faces of module casing 110.The control device 300 can control opening for the described first unidirectional air delivery device 124
It opens and closes.The control device 300 can be according to the air pressure change and gas component in the battery cell storage space 120
Change it is determined whether to enable or close the first unidirectional air delivery device 124.The control device 300 can be according to the battery
The cracking pressure of air pressure change and first safety valve 123 in monomer storage space 120 it is determined whether to enable or close institute
State the first injection apparatus 123.
In one embodiment, the lithium ion battery 10 can also include switch element 220.The switch element 220
It is set between the caisson 200 and second pipeline 440.The switch element 220 is to control second pipe
The on-off on road 440.In one embodiment, the switch element 220 can be solenoid valve.When the control device 300 determines
When needing to input diluent gas into the battery cell storage space 120, the switch element 220 can be first opened.Therefore,
The switch element 220 can be further improved the safety when caisson 200 exports diluent gas.
In one embodiment, the output end of the caisson 200 is provided with the second safety valve 210.Second peace
Full valve 210 can be set between the output end and second safety valve 210 of the caisson 200.When the gas storage fills
Set air pressure in 200 it is excessively high when, gas can be discharged by second safety valve 210, reduced in the caisson 200
Pressure.Therefore, the safety of the caisson 200 can be improved in second safety valve 210.
In one embodiment, the lithium ion battery 10 can also include gas sensing device 122.The gas sensing
Device 122 is set to the battery cell storage space 120 and closes at first safety valve 123.In one embodiment, institute
State battery cell 620 be hard shell battery when, first safety valve 123 is layer adjacent to the described of the battery cell safety valve
The center in one face of module casing 110.The gas sensing device 122 is electrically connected with the control device 300.It is described
The gas that gas sensing device 122 is discharged to incude the battery cell 620.In one embodiment, the gas sensing
Device 122 can induce the type for the gas that the battery cell 620 discharges.In one embodiment, when the gas sense
When device 122 being answered to sense inflammable gas described in hydrogen, carbon monoxide, methane etc., inductive signal can be sent to the control
Device 300 processed.It is defeated into the battery cell storage space 120 that the control device 300 can control the caisson 200
Send the diluent gas.
Fig. 2 is referred to, the embodiment of the present application also provides another lithium ion battery 10.The lithium ion battery includes battery pack
600, caisson 200 and control device 300.The battery pack 600 includes battery pack housing 500 and at least one battery modules
100.The battery pack housing 500 includes a battery modules storage space 510, at least one battery modules 100 setting
In the battery modules storage space 510,500 surface of battery pack housing is provided with third safety valve 520.The gas storage dress
200 are set to be connected to the battery modules storage space 510.The control device 300 is electrically connected with the caisson 200.Institute
It states control device 300 and inputs diluent gas to the battery modules storage space 510 to control the caisson 200.
In one embodiment, the battery pack housing 500 can be made of polyester material.In the battery modules 100
Multiple battery cells 620 can be set.Inflammable gas is outwardly discharged after the battery cell 620 damage.The easy combustion gas
Body is discharged into the battery modules storage space 510 by first safety valve 123.When the battery modules storage space
When air pressure in 510 reaches a limiting value, it can be opened by the third safety valve 520, therefore can be to avoid the battery
Air pressure is excessive in mould group storage space 510 sets off an explosion.
In one embodiment, after the battery cell 620 damages and first safety valve 123 is opened, the control
Device 300 processed can control the caisson 200 and input the carrier gas into the battery modules storage space 510
Body cools down to the battery modules 100, and dilutes the inflammable gas discharged from the battery modules 100, can be into one
Step avoids the lithium ion battery 10 from burning or explode.
In one embodiment, the lithium ion battery 10 further includes the second unidirectional air delivery device 530.Described second is unidirectional
Air delivery device 530 is set to the battery pack housing 500.The caisson 200 connects with the described second unidirectional air delivery device 530
It is logical.The control device 300 is electrically connected with the described second unidirectional air delivery device 530, to control the described second unidirectional gas transmission dress
Set 530 opening and closing.When needing to input the diluent gas to the battery modules storage space 510, the control device 300
It can control the described second unidirectional air delivery device 530 to open.The caisson 200 passes through the described second unidirectional air delivery device
530 input the diluent gas into the battery modules storage space 510.
In one embodiment, the lithium ion battery 10 further includes the second injection apparatus 420.Second injection apparatus
420 are disposed adjacent with the third safety valve 520.Second injection apparatus 420 is connected to the caisson 200.It is described
Second injection apparatus 420 is to spray the diluent gas to the third safety valve 520.Second injection apparatus 420 is set
It is placed in the outside of the battery pack housing 500.Second injection apparatus 420 can be sprayed towards second safety valve 210
The diluent gas can further avoid the burning of lithium ion battery 10 or explosion.
Fig. 3 is referred to, in one embodiment, the first injection dress can be not provided in the battery pack housing 500
Set 410 and the first unidirectional air delivery device 124.Setting outside the battery pack housing 500 can be with above-described embodiment phase
Together, when the lithium ion battery 10 is in safer environment, the technical solution of this implementation can reduce cost, save
Space.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation of this patent range therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection scope of the application.
Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (11)
1. a kind of lithium ion battery characterized by comprising
Multiple battery modules (100), the battery modules (100) include module casing (110), module casing (110) packet
It includes battery cell storage space (120), the surface of the module casing (110) is provided with the first safety valve (123)；
Caisson (200) is connected to the battery cell storage space (120)；And
Control device (300) is electrically connected with the caisson (200), to control the caisson (200) to the electricity
Pond monomer storage space (120) inputs diluent gas.
2. lithium ion battery as described in claim 1, which is characterized in that further include:
First injection apparatus (410) is disposed adjacent with first safety valve (123), first injection apparatus (410) and institute
Caisson (200) connection is stated, to spray diluent gas to first safety valve (123)；
First pipeline (430) is connected to first injection apparatus (410) and the caisson (200).
3. lithium ion battery as claimed in claim 2, which is characterized in that the control device (300) and first injection
Device (410) electrical connection, to control the opening and closing of first injection apparatus (410).
4. lithium ion battery as described in claim 1, which is characterized in that further include pressure sensitive device (121), be set to institute
Battery cell storage space (120) are stated, are electrically connected with the control device (300), it is empty to incude the battery cell storage
Between gas pressure intensity in (120).
5. lithium ion battery as described in claim 1, which is characterized in that including the second pipeline (440), the module casing
(110) surface is provided with the first unidirectional air delivery device (124), and the first unidirectional air delivery device (124) and the control fill
(300) electrical connection is set, second pipeline (440) is connected to the caisson (200) and the first unidirectional air delivery device
(124)。
6. lithium ion battery as claimed in claim 5, which is characterized in that further include switch element (220), be set to the storage
Between device of air (200) and second pipeline (440), to control the on-off of second pipeline (440).
7. lithium ion battery as claimed in claim 6, which is characterized in that the output end of the caisson (200) is provided with
Second safety valve (210).
8. lithium ion battery as described in claim 1, which is characterized in that further include gas sensing device (122), be set to institute
Battery cell storage space (120) are stated, are electrically connected with the control device (300), the gas to the release of induced cell monomer.
9. a kind of lithium ion battery characterized by comprising
Battery pack (600), including battery pack housing (500) and at least one battery modules (100), the battery pack housing
It (500) include a battery modules storage space (510), at least one described battery modules (100) are set to the battery mould
Group storage space (510), battery pack housing (500) surface is provided with third safety valve (520)；
Caisson (200) is connected to the battery modules storage space (510), and
Control device (300) is electrically connected with the caisson (200), to control the caisson (200) to the electricity
Chi Mo group storage space (510) inputs diluent gas.
10. lithium ion battery as claimed in claim 9, which is characterized in that it further include the second unidirectional air delivery device (530), if
It is placed in the battery pack housing (500), the caisson (200) is connected to the described second unidirectional air delivery device (530), described
Control device (300) is electrically connected with the described second unidirectional air delivery device (530), to control the described second unidirectional air delivery device
(530) opening and closing.
11. lithium ion battery as claimed in claim 9, which is characterized in that it further include the second injection apparatus (420), and it is described
Third safety valve (520) is disposed adjacent, and second injection apparatus (420) is connected to the caisson (200), to institute
State third safety valve (520) injection diluent gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213203.9U CN208548429U (en) | 2018-07-27 | 2018-07-27 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213203.9U CN208548429U (en) | 2018-07-27 | 2018-07-27 | Lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN208548429U true CN208548429U (en) | 2019-02-26 |
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ID=65425700
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| CN201821213203.9U Active CN208548429U (en) | 2018-07-27 | 2018-07-27 | Lithium ion battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711660A (en) * | 2018-07-27 | 2018-10-26 | 清华大学 | Lithium ion battery |
| CN110393876A (en) * | 2019-08-05 | 2019-11-01 | 清华大学 | Lithium ion battery firebreak device |
| CN111942216A (en) * | 2019-04-29 | 2020-11-17 | 广州汽车集团股份有限公司 | Battery thermal runaway monitoring method, device and system and vehicle |
| CN112103445A (en) * | 2020-11-17 | 2020-12-18 | 江苏时代新能源科技有限公司 | Fire fighting device, box body assembly, battery, electric device and battery preparation method |
| US11826593B2 (en) | 2020-11-17 | 2023-11-28 | Jiangsu Contemporary Amperex Technology Limited | Fire-fighting apparatus, box assembly, battery, power consumption apparatus, and method for preparing battery |
-
2018
- 2018-07-27 CN CN201821213203.9U patent/CN208548429U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711660A (en) * | 2018-07-27 | 2018-10-26 | 清华大学 | Lithium ion battery |
| CN111942216A (en) * | 2019-04-29 | 2020-11-17 | 广州汽车集团股份有限公司 | Battery thermal runaway monitoring method, device and system and vehicle |
| CN110393876A (en) * | 2019-08-05 | 2019-11-01 | 清华大学 | Lithium ion battery firebreak device |
| CN112103445A (en) * | 2020-11-17 | 2020-12-18 | 江苏时代新能源科技有限公司 | Fire fighting device, box body assembly, battery, electric device and battery preparation method |
| US11826593B2 (en) | 2020-11-17 | 2023-11-28 | Jiangsu Contemporary Amperex Technology Limited | Fire-fighting apparatus, box assembly, battery, power consumption apparatus, and method for preparing battery |
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