CN109103388A - Lithium-ion battery systems and energy-consuming product - Google Patents
Lithium-ion battery systems and energy-consuming product Download PDFInfo
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- CN109103388A CN109103388A CN201810845212.8A CN201810845212A CN109103388A CN 109103388 A CN109103388 A CN 109103388A CN 201810845212 A CN201810845212 A CN 201810845212A CN 109103388 A CN109103388 A CN 109103388A
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- Prior art keywords
- lithium
- ion battery
- eruption
- battery
- systems
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 204
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 239000000178 monomer Substances 0.000 claims abstract description 77
- 238000003860 storage Methods 0.000 claims abstract description 36
- 239000003085 diluting agent Substances 0.000 claims description 14
- 238000010790 dilution Methods 0.000 claims description 13
- 239000012895 dilution Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 4
- 206010037844 rash Diseases 0.000 description 124
- 239000007789 gas Substances 0.000 description 45
- 239000007787 solid Substances 0.000 description 26
- 238000000151 deposition Methods 0.000 description 19
- 230000008021 deposition Effects 0.000 description 18
- 239000008187 granular material Substances 0.000 description 18
- 239000007788 liquid Substances 0.000 description 17
- 230000000903 blocking effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 238000005192 partition Methods 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 238000004880 explosion Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229930002839 ionone Natural products 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/394—Gas-pervious parts or elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The application provides a kind of lithium-ion battery systems and energy-consuming product.The lithium-ion battery systems include Battery case, cabinet safety valve and derived type structure.The Battery case surrounds to form a battery modules storage space.The battery modules storage space is for storing lithium-ion battery monomer.The cabinet safety valve is set to the surface of the Battery case.The derived type structure and the cabinet safety valve pass through piping connection.When eruption can be generated in the lithium-ion battery monomer ejection process.The derived type structure exports the eruption.The lithium-ion battery systems can export the eruption to the high temperature surface far from the lithium-ion battery monomer.And the lithium-ion battery systems can to discharge in the eruption into external environment, realize the high-temperature particle eruption in the eruption and isolation of the combustion mixture eruption in external environment.
Description
Technical field
This application involves power source technical fields, more particularly to lithium-ion battery systems and energy-consuming product.
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, the highest attention by ev industry.However, lithium ion battery erupts
Process can generate combustion mixture.The combustion mixture accumulates in inside lithium ion cell.Reach in inside lithium ion cell
After certain pressure boundary, safety valve is opened, and the combustion mixture is discharged into external environment as lithium ion battery erupts.
In lithium ion battery ejection process, surface temperature of lithium ion battery can reach 1000 DEG C or so.The electricity of lithium ion battery
Core inner temperature is higher, therefore therefore eruption has usually contained the high temperature particulate matter such as Mars, high-temperature particle eruption surface temperature
About 600~1200 DEG C or so.Since high-temperature lithium ion battery surface and high-temperature particle eruption 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 certainly after high temperature combustible is contacted with the air for entering inside lithium ion cell after lithium ion battery eruption
Fire phenomenon.In addition, even if there is not Ignition Phenomena in the gaseous state eruption after lithium ion battery eruption, but if gradually running up to one
Fixed number amount, will likely also will appear explosion phenomenon, and harmfulness will be bigger.Therefore, lithium ion battery eruption is to cause lithium ion
One of the security risk of battery fire even explosion accident.The fire and explosion accident that lithium ion battery eruption causes appear in the newspapers repeatly
Road, safety issue, which becomes, hinders its one of principal element in the application of electrical source of power industry large-scale commercial.
Preventing lithium ion battery eruption, on fire, the spontaneous combustion scheme that even explosion time uses from concentrating on improving hard shell at present
The design of safety valve for lithium ion battery.Since safety valve for lithium ion battery has certain cracking pressure, when in lithium ion battery
When portion's gas pressure reaches certain value, safety valve is opened, and inside lithium ion cell gas is discharged to external environment, i.e. battery occurs
Phenomenon is erupted, avoids causing lithium ion battery explosion phenomenon.For soft bag lithium ionic cell, prevent lithium ion battery it is on fire,
Spontaneous combustion even explosion time, mainly improves lithium ion battery security by way of reducing Soft Roll part allowable pressure.I.e. when soft
When gas pressure in packet reaches certain value, the lower Soft Roll part of allowable pressure is broken through by gas and releases lithium ion battery
There is eruption phenomenon in eruption, i.e. battery, avoid the phenomenon that sets off an explosion.However, above two method can not effectively inhibit electricity
Particulate matter when pond is erupted in gaseous mixture discharges into external environment and causes combustible on fire, can not also make the flammable of eruption
Gaseous mixture is far from battery high-temperature surface.
Summary of the invention
Based on this, it is necessary to not can effectively stop height in lithium ion battery ejection process in existing background technique
Warm particulate matter enters external environment and causes fire, and the combustion mixture of eruption can not be made to ask far from battery high-temperature surface etc.
Topic provides a kind of lithium-ion battery systems and energy-consuming product.
A kind of lithium-ion battery systems, comprising:
Battery case surrounds and forms a battery modules storage space, and has a Battery case gas outlet；
Cabinet safety valve is set to Battery case gas outlet；
Guiding device passes through piping connection with the cabinet safety valve；And
Gas dilution structure is set among the derived type structure.
In one embodiment, the lithium-ion battery systems further include:
At least one battery modules is accommodated in the battery modules storage space；
At least one second one-way valve is set to the surface of the battery modules, and the second one-way valve is for controlling institute
State eruption export direction.
In one embodiment, the lithium-ion battery systems further include:
Battery modules export thereof gathering structure is set in the battery modules storage space, and with it is described at least one
At least one described second one-way valve is connected to by second one-way valve by piping connection with the Battery case gas outlet.
In one embodiment, the battery modules further include: battery modules shell surrounds a lithium ion battery storage
Space, and there is a battery modules shell gas outlet, the second one-way valve is set to the battery modules shell outlet
Mouthful；
Multiple lithium-ion battery monomers are accommodated in the lithium ion battery storage space；
Multiple third check valves, each third check valve are set to the surface of the lithium-ion battery monomer, are used for
The eruption that thermal runaway generates is occurred for the lithium-ion battery monomer unidirectionally to export.
In one embodiment, the battery modules further include:
Lithium ion battery export thereof gathering structure is set in the lithium ion battery storage space, and with it is multiple described
Third check valve is by pipeline connection, for being connected to multiple third check valves with battery modules shell gas outlet.
In one embodiment, the derived type structure includes:
Conduit, has input terminal and output end, and the input terminal is fixedly connected with the cabinet safety valve.
In one embodiment, the gas dilution structure includes:
Concentration detection sensor is set to the inner wall of the conduit；
Diluent gas storage packet, is set to the inner wall of the conduit；And
Automatic switch is set to the opening of the diluent gas storage packet.
In one embodiment, the derived type structure further include:
First check valve is fixedly installed between the input terminal and the cabinet safety valve, and is made when the electricity
The case intracorporal eruption in pond is unidirectionally discharged to the output end.
In one embodiment, the derived type structure further include:
Extraction fan is set to the output end, for assisting the control eruption to be unidirectionally discharged to the output end.
A kind of energy-consuming product, using lithium-ion battery systems described in any of the above embodiments.
The application provides a kind of lithium-ion battery systems and energy-consuming product.The lithium-ion battery systems include battery case
Body, cabinet safety valve and derived type structure.The Battery case surrounds to form a battery modules storage space.The battery modules
Storage space is for storing lithium-ion battery monomer.The cabinet safety valve is set to the surface of the Battery case.It is described to lead
Structure and the cabinet safety valve pass through piping connection out.When eruption can be generated in the lithium-ion battery monomer ejection process
Object.The derived type structure exports the eruption.The lithium-ion battery systems can export the eruption to separate
The high temperature surface of the lithium-ion battery monomer, and the lithium-ion battery systems can make the eruption discharge to
In external environment, realize high-temperature particle eruption in the eruption and combustion mixture eruption in external environment every
Absolutely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 2 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 3 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 4 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 5 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 6 is the sectional view in Fig. 5 along A-A tangent line；
Fig. 7 is the sectional view in Fig. 5 along B-B tangent line；
Fig. 8 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Fig. 9 is the sectional view in Fig. 8 along C-C tangent line；
Figure 10 is the sectional view in Fig. 8 along D-D tangent line；
Figure 11 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Figure 12 is a kind of sectional view in Figure 11 along E-E tangent line；
Figure 13 is another sectional view in Figure 11 along E-E tangent line；
Figure 14 is another sectional view in Figure 11 along E-E tangent line；
Figure 15 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment；
Figure 16 is the structural schematic diagram of the lithium-ion battery systems provided in the application one embodiment.
Drawing reference numeral explanation:
Lithium-ion battery systems 100
Lithium-ion battery monomer 10
Battery cell safety valve 11
Battery modules 20
Battery modules shell 21
Lithium ion battery storage space 22
Battery modules safety valve 23
Battery modules shell gas outlet 202
Battery case 30
Battery modules storage space 31
Cabinet safety valve 32
Battery case gas outlet 302
Derived type structure 40
Second one-way valve 401
Battery modules export thereof gathering structure 42
Third check valve 403
Lithium ion battery export thereof gathering structure 44
Pipeline 410
Input terminal 411
Output end 412
First check valve 420
Extraction fan 430
Solid deposits structure 50
Granule capturing room 510
Liquid injection port 520
Leakage fluid dram 530
Gas dilution structure 60
Concentration detection sensor 610
Diluent gas storage packet 620
Automatic switch 630
Stop absorbing structure 70
Blocker ring 710
Hole 711
Baffle 712
Stop partition 720
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Referring to Fig. 1, providing a kind of lithium-ion battery systems 100 in one embodiment includes Battery case 30, cabinet
Safety valve 32 and derived type structure 40.The Battery case 30, which surrounds, forms a battery modules storage space 31.The battery modules
One or more lithium-ion battery monomer 10 or lithium ion battery mould group are stored in storage space 31.The Battery case
30 surface has Battery case gas outlet 302.The cabinet safety valve 32 is set to the Battery case gas outlet 302.Institute
It states derived type structure 40 and the cabinet safety valve 32 passes through piping connection.The derived type structure 40 is used to work as the Battery case 30
The eruption export that interior lithium-ion battery monomer 10 generates in ejection process.The lithium-ion battery monomer as shown in Figure 1
Battery cell safety valve 11 is provided on 10.When battery eruption phenomenon occurs for the lithium-ion battery monomer 10, the eruption
Object breaks through the battery cell safety valve 11.The lithium-ion battery monomer 10 in the lithium-ion battery systems 100 can be with
It can also be soft bag lithium ionic cell and square case lithium ion battery for lithium ion battery with hard shell.When the lithium ion battery list
When body 10 is soft-package battery, the battery cell safety valve 11 may be not present, it at this time can be according to the lithium ion battery system
The installation site of derived type structure 40 described in the space layout designed, designed of system 100.
Specifically, the Battery case 30 has the battery modules storage space 31.The lithium-ion battery monomer 10
It is set to the battery modules storage space 31.Multiple lithium-ion battery monomers can be set in the Battery case 30
10.Series-parallel connection can be carried out between multiple lithium-ion battery monomers 10.It is set on the surface of the Battery case 30
It is equipped with the cabinet safety valve 32.When the eruption concentration in the Battery case 30 is higher, in the Battery case 30
Pressure can be more than its endurance.The cabinet safety valve 32 is opened at this time.The cabinet safety valve 32 and the derived type structure 40
Pass through piping connection.The derived type structure 40 eruption can be discharged.
In this implementation, the lithium-ion battery systems 100 can be exported the eruption to far from the lithium-ion electric
The high temperature surface of pond monomer 10, and the lithium-ion battery systems 100 can to discharge in the eruption to extraneous ring
In border, when eruption air current flow direction change occurs with the derived type structure 40, particle eruption is greater than due to inertia
Gas eruption object, and due to being solid-state, therefore can collide with the derived type structure 40, the energy of solid particulate matter is consumed, and
The bottom of the derived type structure 40 is deposited under the effect of gravity, while gaseous state eruption is due to being gaseous state, in the work of pressure
It can be discharged in external environment with derived type structure 40 under, to realize the high-temperature particle object and the lithium ion in the eruption
The isolation of 10 combustion mixture of battery cell.
Fig. 2 and Fig. 3 are please referred to, in one embodiment, the lithium-ion battery systems 100 further include solid deposition structure
50.The solid deposition structure 50 and the derived type structure 40 pass through piping connection.The solid deposition structure 50 is used for institute
State the solid eruption deposition in 10 ejection process of lithium-ion battery monomer.The shape, structure of solid deposition structure 50 and
The form of expression is simultaneously not construed as limiting, and can only realize the solid particle portion for generating the lithium-ion battery monomer 10 in ejection process
Divide or all deposits.
In the present embodiment, in the lithium-ion battery systems 100, the derived type structure 40 and the cabinet safety valve 32
Pass through piping connection.The solid deposition structure 50 and the derived type structure 40 pass through piping connection.When the Battery case 30
When eruption phenomenon occurs in the interior lithium-ion battery monomer 10, the derived type structure 40 exports the eruption.It is described solid
Body deposition structure 50 can deposit derived solid eruption.The setting of the solid deposition structure 50, can further subtract
The value volume and range of product for the eruption that few derived type structure 40 transmits, reduces the lithium-ion battery monomer that eruption phenomenon occurs
10 surface temperature.Also, the lithium-ion battery systems 100 can make derived solid eruption deposition, realize eruption
The isolation of high-temperature particle object and 10 combustion mixture of lithium-ion battery monomer in object.
In one embodiment, the solid deposition structure 50 includes granule capturing room 510.The granule capturing room 510
For storing the liquid for capturing particle in the eruption.In a specific embodiment, the liquid can be water or
Other dissolved organic matters.It is erupted specifically, the liquid can be those skilled in the art according to lithium ion battery
The different liquid that the type of the eruption generated when phenomenon is different and selects.The knot that the granule capturing room 510 is arranged
Structure size can the quantity of the lithium-ion battery monomer 10 according to the specific lithium-ion battery systems 100 be designed.
Such as in one embodiment, S-shaped pipeline can be set by the derived type structure 40.The one of the S bend pipe road
End is connect by the cabinet safety valve 32 and other pipelines with the safety valve of the lithium-ion battery monomer 10.The S
The bottom end of type pipeline portions bending part can install the granule capturing room 510.The granule capturing room 510 can store water.
In another embodiment, the lithium-ion battery systems 100 can only include the lithium-ion battery monomer 10 and described
Derived type structure 40.The granule capturing room is directly designed in the derived type structure 40 of a lithium-ion battery monomer 10
510 can be applied in the small-sized lithium-ion battery systems 100.
In the present embodiment, the lithium-ion battery systems 100 can make the eruption far from the lithium ion battery
The high temperature surface of monomer 10 even results in battery heat to reduce the eruption bring harm of the lithium-ion battery monomer 10
The probability of out of control or battery thermal runaway sprawling or kindling.Institute in the present embodiment, in the lithium-ion battery systems 100
Stating lithium-ion battery monomer 10 can be lithium ion battery with hard shell, can also be soft bag lithium ionic cell and square case lithium ion electricity
Pond.
For another example in one embodiment, the lithium-ion battery systems 100 may include multiple lithium ion batteries
Monomer 10.The pipeline of multiple lithium-ion battery monomers 10 is integrated on a common air chamber, to multiple eruptions
Whole export.Meanwhile the pipeline that multiple lithium-ion battery monomers 10 connect can increase the S bend pipe according to actual conditions
The circuit quantity on road.Or the length of pipeline is appropriately extended, to be conducive to arrange.Such as: the lithium-ion battery monomer 10 wraps
Include check valve (403 in such as Figure 15).When wherein one or more described lithium-ion battery monomers 10 will or erupt.
The eruption is in 10 accumulated inside of lithium-ion battery monomer to certain pressure.When the pressure of accumulation is more than the lithium ion
When the pressure limit of 10 safety valve of battery cell, safety valve is opened, and the eruption enters the S bend pipe road.The eruption
It may include solid eruption and/or gas eruption object.Under the action of inertia force and gravity, passed through when the eruption flows
When crossing the bottom on the S bend pipe road, the part eruption dives to the water surface of the granule capturing room 510, and contacts with water
And there is heat exchange.The solid-state eruption of the lithium-ion battery monomer 10 can not leave on the water surface again since quality is larger
It rises.And the gas eruption object that the lithium-ion battery monomer 10 generates then continues to rise along the S bend pipe road.Undergoing institute for several times
After stating S bend pipe road circuit, the eruption feed line, and discharge along pipeline to the separate lithium-ion battery monomer 10
At high temperature surface.
In one embodiment, the solid deposition structure 50 further includes liquid injection port 520 and leakage fluid dram 530.
The liquid injection port 520 is connected to the granule capturing room 510.The leakage fluid dram 530 is set to the granule capturing
The predeterminated position of room 510.For example, the leakage fluid dram 530 can be set at the safe police circles of the granule capturing room 510.Institute
Liquid injection port 520 is stated for injecting liquid to the granule capturing room 510.The leakage fluid dram 530 is used to work as the granule capturing room
The liquid stored in the granule capturing room 510 is discharged when liquid is more than warning in 510.It is discharged from the leakage fluid dram 530
Liquid is to absorb the liquid of the solid eruption of the lithium-ion battery monomer 10.The specifically solid particle in ejection process
Collide to the granule capturing room 510 wall surface when, since gravity can also be deposited on the bottom of the granule capturing room 510
And it can not continue to rise with gaseous state eruption.
In the present embodiment, the liquid injection port 520 is set and the leakage fluid dram 530 makes the knot of the solid deposition structure 50
Structure is more complete.The function of the solid deposition structure 50 is more comprehensive.The solid deposition structure 50 is realizing granule capturing
During it is more autonomous.After the lithium-ion battery monomer 10 occurs once to erupt, the liquid injection port 520 and the row
The function that the liquid in the granule capturing room 510 is removed and refilled may be implemented in liquid mouth 530.The solid deposition knot
The design of structure 50 is but also the lithium-ion battery systems 100 may be implemented can be recycled.
Referring to Fig. 4, in one embodiment, the lithium-ion battery systems 100 further include gas dilution structure 60.Institute
Gas dilution structure 60 is stated to be set among the derived type structure 40.The gas dilution structure 60 is used for in the eruption
Gas eruption object be diluted.
In this implementation, the lithium-ion battery systems 100 are by the derived type structure 40 and 60 knot of gas dilution structure
It closes.The derived type structure 40 can export the eruption to the high temperature surface far from the lithium-ion battery monomer 10.Institute
The gaseous matter in the eruption can be diluted by stating gas dilution structure 60, to reduce the several of the eruption burning
Rate.And the lithium-ion battery systems 100 can to discharge in the eruption into external environment, realize the eruption
Combustion mixture in object is far from the lithium-ion battery monomer 10.
In one embodiment, the gas dilution structure 60 includes concentration detection sensor 610, diluent gas storage packet
620 and automatic switch 630.
The concentration detection sensor 610 is set to the inner wall of the pipeline 410.The diluent gas storage packet 620 is set
It is placed in the inner wall of the pipeline 410.The automatic switch 630 is set to the opening of the diluent gas storage packet 620.This
In embodiment, the concentration detection sensor 610 can detecte the levels of certain gases in the derived type structure 40.Institute
Stating automatic switch 630 can be mechanical switch or electronic switch.When the automatic switch 630 is electronic switch, the gas
It can also include controller that body, which dilutes structure 60,.The controller is electrically connected with the concentration detection sensor 610.It is led when described
When certain gas concentration and content out in structure 40 is exceeded, 630 triggering of automatic switch.The diluent gas storage packet 620
It opens, discharges diluent gas to the derived type structure 40.The diluent gas storage packet 620 can store height using some
It calms the anger the structure of body, also can according to need autonomous Design.It can store in the diluent gas storage packet 620 such as CO2、N2、Ar
Or other nontoxic and nonflammable inert gases are as diluent gas.Using the dilution effect and thermal effect of the diluent gas
The inflammability limit and temperature of the eruption should be changed, to reduce the combustibility of its eruption.
Fig. 5-Figure 14 is please referred to, in one embodiment, the lithium-ion battery systems 100 further include stopping absorbing structure
70.The blocking absorbing structure 70 is fixedly connected with the derived type structure 40.The blocking absorbing structure 70 for realizing with institute
The collision of eruption is stated, to consume the energy of the eruption, so that the temperature of the eruption reduces.
Fig. 5-Fig. 7 is please referred to, the blocking absorbing structure 70 includes multiple blocker rings 710.Between multiple blocker rings 710
Every the inner wall for being set to the pipeline 410.The number of the specific blocker ring 710 can be changed according to actual needs.
In the present embodiment, the structure of the lithium-ion battery systems 100 can be refering to Fig. 5.The blocker ring 710 it is specific
Structure and shape can be refering to Fig. 6 and Fig. 7.When the lithium ion batteries one or more in the lithium-ion battery systems 100
When monomer 10 erupts, the eruption is in 10 accumulated inside of lithium-ion battery monomer to certain pressure and is more than described
When the pressure limit of lithium-ion battery monomer safety valve.The safety valve of the lithium-ion battery monomer 10 is opened, the eruption
The pipeline (pipeline can be U-tube) of safety valve, the derived type structure 40 successively through the lithium-ion battery monomer into
In the collection device for entering other gas exhaust piping or fixation.Since multiple blocker rings 710 are arranged at intervals at the pipeline
410 inner wall.The blocker ring 710 in Fig. 6 and Fig. 7 can be spaced setting, logical with the transmission for sufficiently changing the eruption
Road.When the eruption is flowed by the blocker ring 710, since the change of transmission channel may result in high temperature and pressure
The temperature of the eruption reduces.Simultaneously under the action of inertia force, part solid-state eruption cannot rise with gaseous state eruption
At to next blocker ring 710.In experience for several times and after the blocker ring 710, the eruption flows out the export dress
It sets 40 and discharges to the high temperature surface far from the lithium-ion battery monomer 10.
Fig. 8-Figure 10 is please referred to, in one embodiment, the blocking area of multiple blocker rings 710 is different, and
And the eruption first passes through the blocker ring 710 for stopping area small.
It include hole 711 and baffle 712 in the blocker ring 710 as shown in Figure 9 in the present embodiment.As shown in Figure 10
The blocker ring 710 in only include described hole 711.It can be seen that the blocking area of blocker ring 710 described in Fig. 9 is big
The blocking area of the blocker ring 710 described in Figure 10.The reduction for stopping area can also pass through empty 711 size
To realize.It, can be in the pipeline 410 along on the input terminal 411 to the direction of the output end 412 in the present embodiment
The blocker ring 710 for stopping area to be sequentially reduced is set.Structure setting in the present embodiment can make the eruption
Energy slowly reduces, it might even be possible to carry out the biggish particle in the eruption by described empty the 711 of minimum diameter
It filters out.Other embodiments can also be not limited to the structure of the blocker ring 710 as described in Fig. 9 and Figure 10 in the application.
Figure 11 to Figure 14 is please referred to, in one embodiment, the blocking absorbing structure 70 includes multiple blocking partitions
720.Multiple inner walls for stopping partition 720 to be arranged at intervals at the pipeline 410.
In the present embodiment, the structure of the lithium-ion battery systems 100 can be with refering to fig. 11.The blocking partition 720
Specific structure and shape can be with refering to fig. 12 and Figure 14.Certainly the described structure for stopping partition 720 can also be in attached drawing do not have
The other structures shown.When the lithium-ion battery monomer 10 erupts, the eruption is through the derived type structure 40
Pipeline export.Since interval is provided with multiple blocking partitions 720 in the pipeline 410.It is passed through when the eruption flows
When crossing the blocking partition 720.When the eruption of high temperature and pressure can be collided with multiple lifes of blocking partitions 720.It is this
Collision can consume the energy of the eruption, and the temperature of the eruption can be made to reduce.Simultaneously under the action of inertia force, portion
Point solid-state eruption cannot be risen to gaseous state eruption at next blocking partition 720.Experience for several times with the resistance
After the collision of bulkhead 720, the eruption flows out the guiding device 40 and discharges to far from the lithium-ion battery monomer
10 high temperature surface.
In one embodiment, the derived type structure 40 includes pipeline 410.The pipeline 410 has input terminal 411 and defeated
Outlet 412.The input terminal 411 is fixedly connected with the cabinet safety valve 32.
In the present embodiment, material, structure and the specific size of the pipeline 410 do not do specific restriction.It is described to lead
Structure 40 realizes that the eruption for generating the lithium-ion battery monomer 10 eruption is collected sum aggregate by the pipeline 410 out
Middle processing.The structure of the pipeline 410 is simple, easy to accomplish, the pipeline 410 enable the eruption smoothly export to
High temperature surface far from the lithium-ion battery monomer 10.
In one embodiment, the pipeline 410 is U-tube road, W type pipeline or zigzag pipeline.For example, in Fig. 1,
The pipeline 410 is U-tube road.In one embodiment, the pipeline 410 is S bend pipe road.Pipeline 410 described in Fig. 3 is folding
The zigzag pipeline of line.Pipeline 410 described in Fig. 3 is the W-shaped pipeline of broken line.In another embodiment, the pipeline 410 can
Solid deposition structure can be set in each bending place in bending.Depositing structure by the solid can be by the lithium ion
The eruption that the eruption of battery cell 10 generates carries out the absorption processing of part.The eruption is every by the primary pipeline 410
Bending place can reduce the substances of some high temperature.The pipeline 410 makes the eruption far from the lithium ion battery
The high temperature surface of monomer 10.And the pipeline 410 can to discharge in the eruption into external environment, realize eruption
The isolation of high temperature Mars and the lithium-ion battery monomer 10 in object.The pipeline 410 can be to avoid the lithium ion battery
Monomer 10 causes other lithium-ion battery monomers 10 and thermal runaway even thermal runaway sprawling occurs after erupting, into one
The thermal runaway that can prevent the lithium-ion battery systems 100 of step is spread.
In one embodiment, the pipeline 410 can select material resistant to high temperature, and the pipeline 410 is held
By the high temperature and pressure of the eruption.For example, the pipe thickness of the pipeline 410 is 3mm-10mm.The internal diameter of the pipeline 410
Range is 2mm-5mm.
In one embodiment, the setting of pipeline 410 has the inner surface of suction-operated and concave-convex distribution.Specifically
, the structure similar to villus can be set in the inner surface of the pipeline 410, for adsorbing the eruption.The pipeline 410
The inner surface that concave-convex distribution is arranged can play the role of directional guide with the eruption of high temperature and pressure, equally enable to described
High temperature surface of the eruption far from the lithium-ion battery monomer 10.
In the present embodiment, the pipeline 410 can be set to multiple structural forms.The specific structure of the pipeline 410 and
Material is not made specifically to limit.The pipeline 410 of the derived type structure 40 can be determined with eruption described in directional guide
To movement.The pipeline 410 is fixedly connected with the cabinet safety valve 32.When the eruption of the 30 high temperature high pressure of Battery case
Object is assembled to a certain extent, and the cabinet safety valve 32 is opened.The eruption of high temperature and pressure by the cabinet safety valve 32 into
Enter the siphunculus road 410.The structure of the pipeline 410 is simple, easy to accomplish, and the pipeline 410 enables the eruption
It smoothly exports to the high temperature surface far from the lithium-ion battery monomer 10.
Figure 15 and Figure 16 are please referred to, in one embodiment, the derived type structure 40 further includes the first check valve 420.Institute
The first check valve 420 is stated to be fixedly installed between the input terminal 411 and the cabinet safety valve 32.When the Battery case 30
When the interior lithium-ion battery monomer 10 erupts, the eruption is unidirectionally discharged to the output end 412.The present embodiment
In, the battery modules shell 21 has battery modules shell gas outlet 202.The battery modules safety valve 23 is set to described
Battery modules shell gas outlet 202.
In the present embodiment, if bad environments locating for the lithium-ion battery systems 100, such as the pressure ratio institute of environment
The pressure stated when lithium-ion battery monomer 10 erupts is also big.The eruption be possible to flow back into the lithium of high temperature from
The surface of sub- battery cell 10.Or the eruption is possible to flow back into the surface of the Battery case 30.In the present embodiment,
First check valve 420, which is arranged, can effectively prevent the high temperature that the eruption flows back into the lithium-ion battery monomer 10
Surface.The lithium-ion battery systems 100 in the present embodiment can more effectively prevent the sprawling of eruption.
In one embodiment, the derived type structure 40 further includes extraction fan 430.The extraction fan 430 is set to described
Output end 412.When the lithium-ion battery monomer 10 erupts, the extraction fan 430 can assist to control the lithium from
Sub- 10 eruption of battery cell flows to the output end 412.
In the present embodiment, the extraction fan 430 can provide the lesser environment of pressure, so that in the pipeline 410
Eruption can smoothly export into comparatively safe environment.The lithium-ion battery systems 100 in the present embodiment,
Exit (or described output end 412) the setting extraction fan 430 of the derived type structure 40 may further ensure that described
The eruption of high temperature and pressure can be exported smoothly when lithium-ion battery monomer 10 erupts.The exhaust fan 430 can
So that high temperature surface of the eruption far from the lithium-ion battery monomer 10, it is therefore prevented that the lithium-ion battery systems 100 are sent out
The generation of heat sprawling out of control.
Figure 15 and Figure 16 are please referred to, in one embodiment, the lithium-ion battery systems 100 further include multiple battery moulds
Group 20.Multiple battery modules 20 are accommodated in the battery modules storage space 31.In Figure 15 and Figure 16, respectively illustrate
Include the case where the solid deposition structure 50 and the blocking absorbing structure 70 in the lithium-ion battery systems 100.It can be with
Understand, the lithium-ion battery systems 100 can also be any combination including feature in any of the above-described a embodiment.For example,
According to the design needs, solid the deposition structure 50, institute can be set in all pipelines 410 being shown in FIG. 16
State gas dilution structure 60 or the blocking absorbing structure 70.
The battery modules 20 include battery modules shell 21.The battery modules shell 21 defines a lithium ion battery
Monomer storage space 22.Multiple lithium-ion battery monomers 10 are accommodated in the lithium-ion battery monomer storage space 22.
It may include multiple battery modules 20 in the Battery case 30 in the present embodiment.Each described battery
It may include multiple lithium-ion battery monomers 10 in mould group 20.Specifically, in the Battery case 30 include the lithium from
In the quantity of sub- battery cell 10, the quantity of the battery modules 20 and each battery modules 20 include the lithium from
The quantity of sub- battery cell 10 can be selected and be set according to the different application scene of the lithium-ion battery systems 100
It sets.For example, the lithium-ion battery systems 100 can wrap when the lithium-ion battery systems 100 are applied to aerospace field
Include multiple Battery cases 30.It may include multiple battery modules 20 in each described Battery case 30.Further
May include multiple lithium-ion battery monomers 10 in each described battery modules 20.In addition in the Battery case
Also the individual lithium-ion battery monomer 10 can be set in 30 and the battery modules 20 are set side by side.
In one embodiment, the lithium-ion battery systems 100 further include battery modules export thereof gathering structure 42.
One end of the battery modules export thereof gathering structure 42 and the cabinet safety valve 32 pass through piping connection.It is described
The other end of battery modules export thereof gathering structure 42 and each described battery modules 20 pass through piping connection.
In the present embodiment, the battery modules export thereof gathering structure 42 is set and makes the lithium-ion battery systems 100
Structure it is more perfect.The battery modules export thereof gathering structure 42 is set in the lithium-ion battery systems 100, so that
Process derived from the eruption is simpler, exports more efficient.
In one embodiment, the lithium-ion battery systems 100 further include lithium ion battery export thereof gathering structure
44。
One end of the lithium ion battery export thereof gathering structure 44 and the battery modules export thereof gathering structure 42 are logical
Cross piping connection.Or one end of the lithium ion battery export thereof gathering structure 44 directly passes through with the cabinet safety valve 32
Piping connection.The other end of the lithium ion battery export thereof gathering structure 44 and each described lithium-ion battery monomer 10 are logical
Cross piping connection.
In the present embodiment, the lithium ion battery export thereof gathering structure 44 is set and makes each described eruption can be with
Export is first passed through, collects processing and is sent to the battery modules export thereof gathering structure 42.It is exported using the battery modules
Object gathering structure 42 further collected the eruption, is exported or other processing.The lithium in the present embodiment
The structure of ion battery systems 100 is more perfect, and process derived from the eruption is simpler, exports more efficient.
In one embodiment, providing a kind of energy-consuming product includes lithium-ion battery systems 100 described in any of the above embodiments.
The energy-consuming product can be applied to vehicle, aviation, ship, naval vessels or other energy storage devices.Using the lithium ion
The energy-consuming product of battery system 100 can effectively prevent the lithium-ion battery monomer 10 and thermal runaway sprawling occur.Institute
The structure for stating lithium-ion battery systems 100 is simple, easy to accomplish, can provide technology to improve lithium ion battery fire safety
Guarantee.
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
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of lithium-ion battery systems characterized by comprising
Battery case (30) surrounds and forms a battery modules storage space (31), and has a Battery case gas outlet
(302)；
Cabinet safety valve (32) is set to Battery case gas outlet (302)；
Guiding device (40) passes through piping connection with the cabinet safety valve (32)；And
Gas dilution structure (60) is set among the derived type structure (40).
2. lithium-ion battery systems as described in claim 1, which is characterized in that further include:
At least one battery modules (20) is accommodated in the battery modules storage space (31)；
At least one second one-way valve (401) is set to the surface of the battery modules (20), the second one-way valve (401)
For controlling eruption export direction.
3. lithium-ion battery systems as claimed in claim 2, which is characterized in that further include:
Battery modules export thereof gathering structure (42) is set in the battery modules storage space (31), and with it is described at least
One second one-way valve (401) is gone out at least one described second one-way valve (401) with the Battery case by piping connection
Port (302) connection.
4. lithium-ion battery systems as claimed in claim 2, which is characterized in that the battery modules (20) further include: battery
Module casing (21) surrounds a lithium ion battery storage space (22), and has a battery modules shell gas outlet
(202), the second one-way valve (401) is set to battery modules shell gas outlet (202)；
Multiple lithium-ion battery monomers (10) are accommodated in the lithium ion battery storage space (22)；
Multiple third check valves (403), each third check valve (403) are set to the lithium-ion battery monomer (10)
Surface is unidirectionally exported for the eruption that thermal runaway generates to be occurred for the lithium-ion battery monomer (10).
5. lithium-ion battery systems as claimed in claim 4, which is characterized in that the battery modules (20) further include:
Lithium ion battery export thereof gathering structure (44) is set in the lithium ion battery storage space (22), and with it is multiple
The third check valve (403) is used for by pipeline connection by multiple third check valves (403) and the battery modules shell
Body gas outlet (202) connection.
6. lithium-ion battery systems according to any one of claims 1 to 5, which is characterized in that derived type structure (40) packet
It includes:
Conduit (410) has input terminal (411) and output end (412), the input terminal (411) and the cabinet safety valve
(32) it is fixedly connected.
7. lithium-ion battery systems as claimed in claim 6, which is characterized in that the gas dilution structure (60) includes:
Concentration detection sensor (610), is set to the inner wall of the conduit (410)；
Diluent gas storage packet (620), is set to the inner wall of the conduit (410)；And
It is automatically switched (630), is set to the opening of the diluent gas storage packet (620).
8. lithium-ion battery systems as claimed in claim 6, which is characterized in that the derived type structure (40) further include:
First check valve (420) is fixedly installed between the input terminal (411) and the cabinet safety valve (32), and makes
The eruption in the proper Battery case (30) is unidirectionally discharged to the output end (412).
9. lithium-ion battery systems as claimed in claim 6, which is characterized in that the derived type structure (40) further include:
Extraction fan (430) is set to the output end (412), for assisting to control the eruption to the output end (412)
Unidirectional discharge.
10. a kind of energy-consuming product, which is characterized in that apply lithium-ion battery systems as claimed in any one of claims 1-9 wherein.
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|---|---|---|---|
| CN201810845212.8A CN109103388B (en) | 2018-07-27 | 2018-07-27 | Lithium ion battery system and energy consumption product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845212.8A CN109103388B (en) | 2018-07-27 | 2018-07-27 | Lithium ion battery system and energy consumption product |
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| CN109103388A true CN109103388A (en) | 2018-12-28 |
| CN109103388B CN109103388B (en) | 2024-01-05 |
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| CN112002854A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002859A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002860A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002857A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
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| CN112531280A (en) * | 2020-10-30 | 2021-03-19 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| JP2021140931A (en) * | 2020-03-04 | 2021-09-16 | 本田技研工業株式会社 | Battery pack |
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| JP2023518586A (en) * | 2020-11-17 | 2023-05-02 | ジアンス・コンテンポラリー・アンプレックス・テクノロジー・リミテッド | Firefighting device, housing assembly, battery, power consumption device, and battery manufacturing method |
| WO2022104539A1 (en) * | 2020-11-17 | 2022-05-27 | 江苏时代新能源科技有限公司 | Fire prevention device, box assembly, battery, electric device, and method for producing battery |
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