CN208706741U - The device of lithium ion battery and application lithium ion battery - Google Patents
The device of lithium ion battery and application lithium ion battery Download PDFInfo
- Publication number
- CN208706741U CN208706741U CN201821209745.9U CN201821209745U CN208706741U CN 208706741 U CN208706741 U CN 208706741U CN 201821209745 U CN201821209745 U CN 201821209745U CN 208706741 U CN208706741 U CN 208706741U
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- Prior art keywords
- battery
- gas cooling
- lithium ion
- way
- battery modules
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Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 75
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000001816 cooling Methods 0.000 claims abstract description 112
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 117
- 210000004027 cell Anatomy 0.000 description 59
- 238000002485 combustion reaction Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- 238000004880 explosion Methods 0.000 description 10
- 239000000779 smoke Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001535 kindling effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application provides a kind of lithium ion battery and the device using lithium ion battery.The lithium ion battery includes Battery case, the first one-way exhausting device and first gas cooling device.The Battery case defines a battery modules storage space.First one-way exhausting device is set to the Battery case surface, and first one-way exhausting device is for realizing the battery modules storage space to the one-way ventilating of the Battery case exterior space.
Description
Technical field
This application involves lithium ion battery and the devices of application 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 battery core internal temperature is higher, be usually associated with
Mars, martian surface temperature are about 600~1200 DEG C or so.Since battery high-temperature surface and Mars temperature are much higher than gaseous state
The ignition temperature of eruption Ignition Phenomena will easily occur, and cause once eruption injection contacts in air and with oxygen
Fire.Also it is easy to appear dieselings after high temperature combustible is contacted with the air for entering inside battery after battery eruption.In addition,
It, also will likely can but if gradually running up to certain amount even if Ignition Phenomena does not occur in the gaseous state eruption after battery eruption
There is explosion phenomenon, harmfulness will be bigger.Therefore, battery eruption is to cause the even explosion accident of lithium-ion electric Pool fire
One of security risk.The fire and explosion accident that lithium ion battery thermal runaway causes appear in the newspapers repeatly, and safety issue, which becomes, to be hindered
Its one of principal element in the application of electrical source of power industry large-scale commercial.
Utility model content
Based on the above, it is necessary to for kindling caused by gaseous state eruption during lithium ion battery thermal runaway and certainly
The problem of combustion, provides a kind of lithium ion battery and the device using lithium ion battery.
The application provides a kind of lithium ion battery.The lithium ion battery includes Battery case, the first one-way exhausting device
With first gas cooling device.The Battery case defines a battery modules storage space.First one-way exhausting device
It is set to the Battery case surface, first one-way exhausting device is for realizing the battery modules storage space to described
The one-way ventilating of Battery case exterior space.
The lithium ion battery further includes multiple battery modules in one of the embodiments,.The battery modules storage
In the battery modules storage space.The battery modules include battery modules shell and multiple battery cells.The battery
Module casing defines a battery cell storage space.Multiple battery cells are accommodated in the battery cell storage space.
The battery modules further include the second one-way exhausting device and the cooling dress of second gas in one of the embodiments,
It sets.Second one-way exhausting device is set to the battery modules surface of shell.Second one-way exhausting device is for real
Existing one-way ventilating of the battery cell storage space to battery modules hull outside space.The cooling dress of the second gas
Rest against the nearly second one-way exhausting device setting.The second gas cooling device is used for second one-way exhausting device
The gas of discharge cools down.
The lithium ion battery further includes the third one-way exhausting device and the third in one of the embodiments,
Gas cooling device.Each third one-way exhausting device is set to the battery cell surface, is used for the electricity
Gas unidirectional discharge inside the monomer of pond.The third gas cooling device is arranged close to the third one-way exhausting device.Institute
Gas of the third gas cooling device for the third one-way exhausting device to be discharged is stated to cool down.
The lithium ion battery further includes control device in one of the embodiments,.The control device and described the
One gas cooling device, the second gas cooling device are connected with the third gas cooling device.
First one-way exhausting device, second one-way exhausting device and described in one of the embodiments,
Three one-way exhausting devices are mechanical check valve.
The first gas cooling device, the second gas cooling device and described in one of the embodiments,
Three gas cooling devices are fan.
The lithium ion battery includes Battery case, battery modules, the second one-way exhaust dress in one of the embodiments,
It sets and second gas cooling device.The Battery case defines a battery modules storage space.The battery modules are accommodated in
The battery modules storage space.The battery modules include battery modules shell.The battery modules shell forms an electricity
Pond monomer storage space.Second one-way exhausting device is set to the battery modules surface of shell.Described second unidirectional row
Device of air is for realizing the battery cell storage space to the one-way ventilating in battery modules hull outside space.Described
Two gas cooling devices are arranged close to second one-way exhausting device, the gas for second one-way exhausting device to be discharged
Body cooling.
The lithium ion battery further includes battery cell, third one-way exhausting device and in one of the embodiments,
Three gas cooling devices.The battery cell is accommodated in the battery cell storage space.Each third one-way exhaust dress
It installs and is placed in the battery cell surface, for the gas unidirectional inside the battery cell to be discharged.The third gas
Body cooling device is arranged, the gas for the third one-way exhausting device to be discharged close to the third one-way exhausting device
Cooling.
The lithium ion battery includes Battery case, battery modules, battery cell, third in one of the embodiments,
One-way exhausting device and third gas cooling device.The Battery case defines a battery modules storage space.The battery
Mould group is accommodated in the battery modules storage space.The battery modules include battery modules shell.The battery modules shell
Form a battery cell storage space.The battery cell is set to the battery cell storage space.Each third
One-way exhausting device is set to the battery cell surface, for the gas unidirectional inside the battery cell to be discharged.
The third gas cooling device is arranged close to the third one-way exhausting device, for arranging the third one-way exhausting device
Gas cooling out.
The application also provides a kind of device using lithium ion battery in one of the embodiments, the application lithium from
The device of sub- battery includes lithium ion battery described in any of the above-described embodiment.
When thermal runaway occurs for the lithium ion battery, burning mixture, such as H can be generated2、CO、CH4Deng, and accumulate in
The inside lithium ion cell.Since in the ejection process of the lithium ion battery, the surface temperature of lithium ion battery is most
Height can reach 1000 DEG C or so, and battery core internal temperature is higher, be usually associated with Mars, and surface temperature is about 600 DEG C~
1200 DEG C or so.After the pressure of the inside lithium ion cell reaches certain pressure boundary, first one-way exhausting device
It opens, burning mixture by the battery modules storage space can unidirectionally be discharged into external environment with gaseous state eruption
In, avoid the explosion phenomenon due to caused by battery thermal runaway.Moreover, because first one-way exhausting device is to air
Buffer action can enter in the Battery case to avoid air return occur after contacting with high-temperature gas eruption is caused in this way
Dieseling.In addition, passing through after the lithium ion battery is discharged by first one-way exhausting device in the gaseous state eruption
The first gas cooling device carries out cooling down to the gaseous state eruption.It thus can quickly reduce the gaseous state spray
The temperature of object is sent out, so as to Ignition Phenomena occur and draw after avoiding the injection of high-temperature gas eruption from contacting in air with oxygen
The problem of ignition calamity.
Detailed description of the invention
Fig. 1 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 2 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 3 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 4 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 5 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 6 is the lithium ion battery schematic diagram that one embodiment of the application provides；
Fig. 7 is the lithium ion battery schematic diagram that one embodiment of the application provides.
Description of symbols
10: Battery case
11: battery modules storage space
12: the first one-way exhausting devices
13: first gas cooling device
20: battery modules
210: battery modules shell
211: battery cell storage space
212: the second one-way exhausting devices
213: second gas cooling device
220: battery cell
221: third one-way exhausting device
222: third gas cooling device
30: control device
100: lithium ion battery
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
The device of figure, lithium ion battery and application lithium ion battery to the application is further elaborated.It should be appreciated that herein
Described specific embodiment only to explain the application, is not used to limit the application.
The lithium ion battery of the embodiment of the present application and the device of application lithium ion battery are described in detail below in conjunction with attached drawing.
In one embodiment, the lithium ion battery 100 includes Battery case 10, the first one-way exhausting device 12 and the
One gas cooling device 13.The Battery case 10 defines a battery modules storage space 11.The first one-way exhaust dress
It sets 12 and is set to 10 surface of Battery case, first one-way exhausting device 12 is stored empty for realizing the battery modules
Between 11 to 10 exterior space of Battery case one-way ventilating.
In the present embodiment, the Battery case 10 forms a battery modules storage space 11.The Battery case 10
There is certain protective effect to the battery modules being put into the battery modules storage space 11.
One outer surface of the Battery case 10 is provided with first one-way exhausting device 12 and the first gas is cold
But device 13.The first gas cooling device 13 can be for Industrial fan, aerofoil fan etc., it is not limited here.
The first gas cooling device 13 is arranged close to first one-way exhausting device 12.It is single described first in this way
It is to exhaust apparatus 12 that gaseous state eruption is unidirectional from the battery modules storage space 11 to 10 exterior space of Battery case
After discharge, it can be cooled down by the first gas cooling device 13.
In the present embodiment, first one-way exhausting device 12 can be mechanical check valve or solenoid valve, herein not
It limits.It is empty that the gaseous state eruption can be expelled to 10 outside of Battery case by first one-way exhausting device 12
Between, and outside air can not be back in the Battery case 10.Therefore first one-way exhausting device 12 can be discharged
While the gaseous state eruption to 10 exterior space of Battery case, outside air can also be isolated into the battery case
Inside body 10.
When thermal runaway occurs for the lithium ion battery 100, burning mixture, such as H can be generated2、CO、CH4Deng, and product
Gather inside the lithium ion battery 100.Due in the ejection process of the lithium ion battery 100, the lithium ion battery
100 surface temperatures can reach 1000 DEG C or so, and battery core internal temperature is higher, be usually associated with Mars, the surface temperature of Mars
Degree is about 600~1200 DEG C or so.It is described after pressure inside the lithium ion battery 100 reaches certain pressure boundary
First one-way exhausting device 12 is opened, and burning mixture can be as gaseous state eruption be by the battery modules storage space 11
And be unidirectionally discharged into external environment, avoid the explosion phenomenon due to caused by battery thermal runaway.Moreover, because described first
One-way exhausting device 12 to the buffer action of air, can enter in this way to avoid air return in the Battery case 10 with cause
There is dieseling after the contact of high-temperature gas eruption.In addition, when the gaseous state eruption is by first one-way exhausting device
After the 12 discharge lithium ion batteries 100, cooled down by the first gas cooling device 13 to the gaseous state eruption
It is cooling.The temperature of the gaseous state eruption can be reduced, quickly thus so as to avoid high-temperature gas eruption from being injected in
The problem of occurring Ignition Phenomena after contacting in air with oxygen and causing fire.
In one embodiment, the lithium ion battery 100 further includes multiple battery modules 20.The battery modules 20 are received
It is contained in the battery modules storage space 11.The battery modules 20 include battery modules shell 210 and multiple battery cells
220.The battery modules shell 210 defines a battery cell storage space 211.Multiple battery cells 220 are accommodated in
The battery cell storage space 211.
In the present embodiment, the battery modules 20 are set in the battery modules storage space 11.The battery mould
Group 20 includes the battery modules shell 210 and multiple battery cells 220.Multiple battery cells 220 can be in more
Arrange multiple row distribution.The battery modules shell 210 has certain protective role to the multiple battery cell.
In one embodiment, the battery modules 20 further include that the second one-way exhausting device 212 and second gas are cooling
Device 213.Second one-way exhausting device 212 can be electromagnetic type check valve or mechanical check valve, not limit herein
It is fixed.Second one-way exhausting device 212 is set to 210 surface of battery modules shell.Second one-way exhausting device
212 for realizing the battery cell storage space 211 to the one-way ventilating of 210 exterior space of battery modules shell.Institute
Second gas cooling device 213 is stated to be arranged close to second one-way exhausting device 212.The second gas cooling device 213
Gas cooling for second one-way exhausting device 212 to be discharged.
In the present embodiment, 20 surface of battery modules is provided with second one-way exhausting device 212 and described
Two gas cooling devices 213.When automobile is collided or the Battery case 10 is caused to rupture for other accidents, if the lithium
Thermal runaway occurs for ion battery 100, and when pressure increases to certain value in the battery modules shell 210, and described second is unidirectional
Exhaust apparatus 212 and the second gas cooling device 213 will be in open state.The gaseous state eruption can be through described second
One-way exhausting device 212 is unidirectionally discharged.When the pressure in the battery modules shell 210 is less than cracking pressure, described second
One-way exhausting device 212 will close.It can be communicated in this way to avoid the Battery case 10 ruptured in accident with ambient atmosphere
And air is made to enter in the battery modules shell 210 that thermal runaway occurs and cause to catch fire.In addition, the second gas is cold
But device 213 also can carry out fast cooling to the gas being discharged by second one-way exhausting device 212, in this way can be to avoid institute
State the fiery karyomorphism after gaseous state eruption mixes with air at.Moreover, because the second gas cooling device 213 accelerates air-flow
Movement, this can accelerate gaseous mixture in the Battery case 10 to flow out in time, reduce combustion mixture in battery modules inner accumulation
Potential burning and explosion hazard excessively occurs.
In one embodiment, the lithium ion battery 100 further includes the third one-way exhausting device 221 and described
Three gas cooling devices 222.Each third one-way exhausting device 221 is set to 220 surface of battery cell, uses
It is discharged in by the gas unidirectional inside the battery cell 220.The third gas cooling device 222 is unidirectional close to the third
Exhaust apparatus 221 is arranged.The third gas cooling device 222 is used for the gas that the third one-way exhausting device 221 is discharged
Body cooling.
In the present embodiment, 220 surface of battery cell is provided with the third one-way exhausting device 221, and leans on
The third gas cooling device 222 is provided at the position of the nearly third one-way exhausting device 221.The third is unidirectionally arranged
Device of air 221 is mechanical check valve.In one embodiment, the third one-way exhausting device 221 is mechanical check valve,
And mechanical check valve had both can be used in first one-way exhausting device 12, second one-way exhausting device 212, it can also be with
Using electromagnetic type check valve.When using mechanical solenoid valve, it can be voluntarily turned on or off according to the pretightning force of spring.And institute
Electromagnetic type check valve is stated to need to judge whether to need to open and close according to certain signal by control device.When the battery
When there is negative pressure inside module casing 210 or Battery case 10, negative pressure can be eliminated by opening the electromagnetic type check valve, i.e.,
Outside air enters the battery modules shell 210 or 10 inside of the Battery case and reaches pressure balance.
It is collided in automobile or other accidents leads to the Battery case 10 or the Battery case 10 and the electricity
When pond module casing 210 ruptures, if thermal runaway, and pressure in the battery cell 220 occur for the lithium ion battery 100
When increasing to certain value, the third one-way exhausting device 221 and the third gas cooling device 222 will be in open state.
The gaseous state eruption can be through the unidirectionally discharge of third one-way exhausting device 221.Pressure in the battery cell 220
When less than cracking pressure, the third one-way exhausting device 221 will be closed.It in this way can be to avoid the electricity ruptured in accident
Pond cabinet 10 or the battery modules shell 210 communicate with ambient atmosphere and air are made to enter the electricity that thermal runaway occurs
Cause to catch fire in pond module casing 210.In addition, the third gas cooling device 222 also can be to by the described second unidirectional row
The gas that device of air 212 is discharged carries out fast cooling, the fiery core after can mixing with air in this way to avoid the gaseous state eruption
It is formed.Moreover, because the third gas cooling device 222 accelerates air motion, this can accelerate the battery modules shell
Gaseous mixture flows out in time in 210, reduces combustion mixture in 20 inner accumulation of battery modules and potential combustion excessively occurs
Burning and explosion hazard.
In one embodiment, the lithium ion battery 100 further includes control device 30.The control device 30 with it is described
First gas cooling device 13, the second gas cooling device 213 and the third gas cooling device 222 connection.
In the present embodiment, the lithium ion battery 100 further includes control device 30.The control device 30 and described the
One gas cooling device 13, the second gas cooling device 213 and the third gas cooling device 222 connection.In this reality
It applies in example, the control device 30 is BMS battery system.
In one embodiment, when first one-way exhausting device 12, second one-way exhausting device 212 and described
When third one-way exhausting device 221 is mechanical check valve, first one-way exhausting device 12, second one-way exhaust dress
Set 212 and the third one-way exhausting device 221 also connect with the control device 30.
In one embodiment, in the security system based on battery pack, first one-way exhausting device 12 is set to
10 surface of Battery case.The first gas cooling device 13 is arranged close to first one-way exhausting device 12.In this way
With regard to needing to install smoke sensor device or gas sensor inside the Battery case 10.Smoke sensor device or gas sensor
It is mounted on 10 inside of Battery case and at the gas outlet of the Battery case 10.The smoke sensor device or gas
Sensor once detects smog or CO, H2、CH4One of or it is a variety of when, the control device 30 need to issue signal unlatching
Electromagnetic type check valve or the first gas cooling device 13.
In one embodiment, in the security system based on battery modules, second one-way exhausting device 212 is arranged
In 210 surface of battery modules shell.The second gas cooling device 213 is close to second one-way exhausting device 212
Setting.It thus needs that smoke sensor device or gas sensor are installed inside the battery modules shell 210.Smoke sensor device
Or gas sensor is mounted on 210 inside of battery modules shell and the gas outlet close to the battery modules shell 210
Place.The smoke sensor device or gas sensor once detect smog or CO, H2、CH4One of or it is a variety of when, it is described
Control device 30 needs to issue signal opens solenoid valve formula check valve or the second gas cooling device 213.
In one embodiment, it in the security system based on battery cell, needs right above the battery cell 220
Smoke sensor device or gas sensor are installed.The smoke sensor device or gas sensor once detect smog or CO, H2、
CH4One of or it is a variety of when, the control device 30 needs to issue signal and opens the third gas cooling device 222.
In one embodiment, if the Battery case 10, battery modules shell 210 and the battery cell 220 are same
When the solenoid valve check valve and gas cooling device are installed, then when the control device 30 receives smoke sensor device or gas
When the signal that sensor is sent, then it should first start gas cooling device, be then turned on corresponding electromagnetism check valve.It in this way can be in gas
State eruption from electromagnetism check valve outflow before make gas cooling device cooling efficiency with higher, so as to avoid compared with
It can promote the formation of fiery core when low cooling efficiency, cause fire.In addition, opening gas cooling device in advance is also beneficial to the electricity
The heat dissipation of pond cabinet 10, the battery modules shell 210 and the battery cell 220, to reduce internal gas eruption
Temperature, the generation for avoiding fire.
In one embodiment, first one-way exhausting device 12, second one-way exhausting device 212 and described
Three one-way exhausting devices 221 are mechanical check valve.
In the present embodiment, when first one-way exhausting device 12, second one-way exhausting device 212 and described
When three one-way exhausting devices 221 are mechanical check valve, by the cracking pressure for presetting the mechanical check valve.At this
In embodiment, first one-way exhausting device 12, second one-way exhausting device 212 and the third one-way exhausting device
221 structure is identical, and only cracking pressure is different.When reaching unidirectional valve opening pressure inside the battery cell 220, institute
It states mechanical check valve just to open voluntarily, does not need battery management system control.When can avoid the occurrence of unexpected in this way, battery management
The system failure causes first one-way exhausting device 12, second one-way exhausting device 212 and the third one-way exhaust
Device 221 fail, so as to cause kindling the problem of.
In one embodiment, the first gas cooling device 13, the second gas cooling device 213 and described
Three gas cooling devices 222 are fan.
In the present embodiment, the first gas cooling device 13, the second gas cooling device 213 and the third
Gas cooling device 222 is fan.When the fan pushes surrounding air to flow, the movement of air-flow accelerates battery spray
The mixing and diabatic process for sending out object and air, to battery eruption, there are two effects: first, the air of battery eruption and flowing
It contacts and conducts heat, the cold air of farther place can be transferred heat in time, to realize the cooling to battery eruption
Effect.Second, since air motion enhances the oxygen touch opportunity in battery eruption and air, therefore increase redox
The chance of reaction is conducive to the formation of fiery core.When flowing velocity is lower, second effect is in leading position, can promote
Battery eruption mix with air after fiery karyomorphism at.But when air is acted in master for first when flowing beyond a certain limit value
Status is led, can cause fiery core that can not be formed since heat dissipation is greater than thermal accumlation.
In one embodiment, the central axis of the mechanical check valve is in the rotary shaft of the fan.The machine
Tool formula one-way valved outlet region is at the region of the formed air-flow of the fan.Can enable in this way fan most rapidly
Eruption gas is blown off battery surface, and should be reduced quickly using larger rotation speed of the fan with generating stronger vortex as far as possible
The temperature of the gas eruption object avoids causing to catch fire.
In one embodiment, the lithium ion battery 100 includes Battery case 10, battery modules 20, second unidirectionally row
Device of air 212 and second gas cooling device 213.The Battery case 10 defines a battery modules storage space 11.It is described
Battery modules 20 are accommodated in the battery modules storage space 11.The battery modules 20 include battery modules shell 210.It is described
Battery modules shell 210 forms a battery cell storage space 211.Second one-way exhausting device 212 is set to described
210 surface of battery modules shell.Second one-way exhausting device 212 for realizing the battery cell storage space 211 to
The one-way ventilating of 210 exterior space of battery modules shell.The second gas cooling device 213 is unidirectional close to described second
Exhaust apparatus 212 is arranged, the gas cooling for second one-way exhausting device 212 to be discharged.
In the present embodiment, 210 1 outer surface of battery modules shell is provided with second one-way exhausting device 212
With the second gas cooling device 213.10 surface of Battery case can make battery pack using conventional safety valve in this way
Box house is connected to outside air.Second one-way exhausting device of 210 1 outer surface of the battery modules shell setting
212 can become closed state after a certain amount of gas eruption object is discharged, and can stop in the Battery case 10 in this way
Air enter in the battery modules shell 210 and cause spontaneous combustion.In addition, 210 1 outer surface of battery modules shell is set
The second gas cooling device 213 set can be enhanced battery eruption and contact and conduct heat with the air of flowing, can
The cold air of farther place is transferred heat in time, to realize the cooling effect to battery eruption, heat dissipation in this way is greater than
Thermal accumlation and cause fiery core that can not be formed.And the second gas cooling device 213 accelerates air motion, and it in this way can be with
Accelerate gaseous mixture in the lithium ion battery 100 to flow out in time, reduces combustion mixture accumulation and potential burning excessively occurs
And explosion hazard.
In one embodiment, the lithium ion battery 100 further includes battery cell 220, third one-way exhausting device 221
With third gas cooling device 222.The battery cell 220 is accommodated in the battery cell storage space 211.Each described
Three one-way exhausting devices 221 are set to 220 surface of battery cell, for by the gas inside the battery cell 220
Body is unidirectionally discharged.The third gas cooling device 222 is arranged close to the third one-way exhausting device 221, for described
The gas cooling that third one-way exhausting device 221 is discharged.
In the present embodiment, when there is car crass or other accidents, it will lead to the battery modules shell 210 and rupture
And the battery modules shell 210 is communicated with ambient atmosphere.If eruption phenomenon occurs for battery, it is set to the electricity
A certain amount of eruption in the battery cell 220 is being discharged in the third one-way exhausting device 221 on 220 surface of pond monomer
Afterwards, closed state can be become.Outside air can be prevented to enter inside the battery cell 220 in this way and cause spontaneous combustion.In addition, institute
State third gas cooling device 222 battery eruption can be enhanced and contact and conduct heat with the air of flowing, can in time by
Heat transfer is to the cold air of farther place, to realize the cooling effect to battery eruption, heat dissipation in this way is greater than heat product
Tire out and causes fiery core that can not be formed.And the third gas cooling device 222 accelerates air motion, can accelerate institute in this way
It states mixed gas in battery module casing 210 to flow out in time, reduces combustion mixture accumulation and potential combustion excessively occurs
Burning and explosion hazard.
In one embodiment, the lithium ion battery 100 includes Battery case 10, battery modules 20, battery cell
220, third one-way exhausting device 221 and third gas cooling device 222.The Battery case 10 defines a battery modules and receives
Receive space 11.The battery modules 20 are accommodated in the battery modules storage space 11.The battery modules 20 include battery mould
Group shell 210.The battery modules shell 210 forms a battery cell storage space 211.The battery cell 220 is arranged
In the battery cell storage space 211.Each third one-way exhausting device 221 is set to the battery cell
220 surfaces, for the gas unidirectional inside the battery cell 220 to be discharged.The third gas cooling device 222 is close to institute
The setting of third one-way exhausting device 221 is stated, the gas cooling for the third one-way exhausting device 221 to be discharged.
In the present embodiment, when there is car crass or other accidents, it will lead to the Battery case 10 or described
Battery modules shell 210 ruptures and the Battery case 10 or the battery modules shell 210 is communicated with ambient atmosphere.
At this time if eruption phenomenon occurs for battery, it is set to the third one-way exhausting device on 220 surface of battery cell
221 are being discharged in the battery cell 220 after a certain amount of eruption, can become closed state.External sky can be prevented in this way
Gas enters inside the battery cell 220 and causes spontaneous combustion.In addition, battery spray can be enhanced in the third gas cooling device 222
Hair object is contacted with the air of flowing and is conducted heat, and the cold air of farther place can be transferred heat in time, to realize
Cooling effect to battery eruption, in this way heat dissipation are greater than thermal accumlation and cause fiery core that can not be formed.And the third gas
Body cooling device 222 accelerates air motion, and gaseous mixture in the battery cell 220 can be accelerated to flow out in time in this way, reduces
Combustion mixture accumulation is excessive and potential burning and explosion hazard occurs.
One embodiment of the application also provides a kind of device using lithium ion battery, the device using lithium ion battery
Including lithium ion battery 100 described in any of the above-described embodiment.
In the present embodiment, it is each to can be applied to vehicle, aviation, ship, naval vessels, energy storage etc. for the lithium ion battery 100
Kind purposes.
Each technical characteristic of embodiment described above can carry out any combination, to keep description clean and tidy, not to above-mentioned implementation
The all possible combination of each technical characteristic in example is all described, as long as however, the combination of these technical characteristics is not present
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 to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.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 (100) characterized by comprising
Battery case (10) defines a battery modules storage space (11)；
First one-way exhausting device (12) is set to the Battery case (10) surface, first one-way exhausting device (12)
For realizing the one-way ventilating of battery modules storage space (11) Xiang Suoshu Battery case (10) exterior space；And
First gas cooling device (13) is arranged close to first one-way exhausting device (12), for unidirectional to described first
The gas cooling of exhaust apparatus (12) discharge.
2. lithium ion battery as described in claim 1, which is characterized in that further include multiple battery modules (20), be accommodated in institute
It states in battery modules storage space (11), the battery modules (20) include:
Battery modules shell (210) defines a battery cell storage space (211)；
Multiple battery cells (220) are accommodated in the battery cell storage space (211).
3. lithium ion battery as claimed in claim 2, which is characterized in that the battery modules (20) further include:
Second one-way exhausting device (212) is set to battery modules shell (210) surface, the second one-way exhaust dress
(212) are set for realizing the unidirectional of battery cell storage space (211) Xiang Suoshu battery modules shell (210) exterior space
Ventilation；
Second gas cooling device (213) is arranged close to second one-way exhausting device (212), for single to described second
The gas cooling being discharged to exhaust apparatus (212).
4. lithium ion battery as claimed in claim 3, which is characterized in that further include:
Third one-way exhausting device (221), each third one-way exhausting device (221) are set to the battery cell
(220) surface, for the internal gas unidirectional of the battery cell (220) to be discharged；
Third gas cooling device (222) is arranged close to the third one-way exhausting device (221), for the third list
The gas cooling being discharged to exhaust apparatus (221).
5. lithium ion battery as claimed in claim 4, which is characterized in that further include control device (30), the control device
(30) it is filled with the first gas cooling device (13), the second gas cooling device (213) and third gas cooling
Set (222) connection.
6. lithium ion battery as claimed in claim 4, which is characterized in that first one-way exhausting device (12), described
Two one-way exhausting devices (212) and the third one-way exhausting device (221) are mechanical check valve.
7. lithium ion battery as claimed in claim 6, which is characterized in that the first gas cooling device (13), described
Two gas cooling devices (213) and the third gas cooling device (222) are fan.
8. a kind of lithium ion battery (100) characterized by comprising
Battery case (10) defines a battery modules storage space (11)；
Battery modules (20) are accommodated in the battery modules storage space (11), and the battery modules (20) include battery modules
Shell (210), the battery modules shell (210) form a battery cell storage space (211)；
Second one-way exhausting device (212) is set to battery modules shell (210) surface, for realizing the battery list
The one-way ventilating of body storage space (211) Xiang Suoshu battery modules shell (210) exterior space；
Second gas cooling device (213) is arranged close to second one-way exhausting device (212), for single to described second
The gas cooling being discharged to exhaust apparatus (212).
9. lithium ion battery as claimed in claim 8, which is characterized in that further include:
Battery cell (220) is accommodated in the battery cell storage space (211)；
Third one-way exhausting device (221), each third one-way exhausting device (221) are set to the battery cell
(220) surface, for the internal gas unidirectional of the battery cell (220) to be discharged；
Third gas cooling device (222) is arranged close to the third one-way exhausting device (221), for the third list
The gas cooling being discharged to exhaust apparatus (221).
10. a kind of lithium ion battery (100) characterized by comprising
Battery case (10) defines a battery modules storage space (11)；
Battery modules (20) are accommodated in the battery modules storage space (11), and the battery modules (20) include battery modules
Shell (210), the battery modules shell (210) form a battery cell storage space (211)；
Battery cell (220) is set to the battery cell storage space (211)；
Third one-way exhausting device (221), each third one-way exhausting device (221) are set to the battery cell
(220) surface, for the internal gas unidirectional of the battery cell (220) to be discharged；
Third gas cooling device (222) is arranged close to the third one-way exhausting device (221), for the third list
The gas cooling being discharged to exhaust apparatus (221).
11. a kind of device using lithium ion battery, which is characterized in that including lithium of any of claims 1-10 from
Sub- battery (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209745.9U CN208706741U (en) | 2018-07-27 | 2018-07-27 | The device of lithium ion battery and application lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209745.9U CN208706741U (en) | 2018-07-27 | 2018-07-27 | The device of lithium ion battery and application lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208706741U true CN208706741U (en) | 2019-04-05 |
Family
ID=65940069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821209745.9U Withdrawn - After Issue CN208706741U (en) | 2018-07-27 | 2018-07-27 | The device of lithium ion battery and application lithium ion battery |
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| Country | Link |
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| CN (1) | CN208706741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020102561B3 (en) * | 2020-02-03 | 2021-05-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle traction battery |
-
2018
- 2018-07-27 CN CN201821209745.9U patent/CN208706741U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020102561B3 (en) * | 2020-02-03 | 2021-05-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle traction battery |
| US11545701B2 (en) | 2020-02-03 | 2023-01-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Traction battery of a motor vehicle |
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