CN104953083B - A kind of core strueture for preventing battery catches fire from exploding and the lithium ion battery with the core strueture - Google Patents

A kind of core strueture for preventing battery catches fire from exploding and the lithium ion battery with the core strueture Download PDF

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Publication number
CN104953083B
CN104953083B CN201510305506.8A CN201510305506A CN104953083B CN 104953083 B CN104953083 B CN 104953083B CN 201510305506 A CN201510305506 A CN 201510305506A CN 104953083 B CN104953083 B CN 104953083B
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battery
core
catches fire
strueture
fire
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CN104953083A (en
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任宁
孙延先
李爱明
张海飞
周国平
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Zhejiang Chaowei Chuangyuan Industrial Co Ltd
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Zhejiang Chaowei Chuangyuan Industrial Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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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)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

The invention discloses a kind of core strueture for preventing battery catches fire from exploding, including battery core body and battery core housing, the outside of described battery core body is coated with high temperature autoclasis sealing device, described battery core case inside is provided with vibration absorber, cavity is provided between described vibration absorber and sealing device, described cavity inside is filled with fire extinguishing material.Also disclose the lithium ion battery with the core strueture.This prevents the core strueture and the lithium ion battery with the core strueture of battery catches fire blast, and simple with design, contour structures shaping, depanning are simple;Prevent the performance of blast on fire good, compare with equal battery structure, material cost is less expensive, security brings up to more than 99% by 0%, it is safe and reliable, traffic power (electric bicycle, battery-operated motor cycle, electric automobile), the field such as energy storage, space flight, communication spare power supplies can be widely applied to.

Description

It is a kind of prevent battery catches fire explode core strueture and the lithium with the core strueture from Sub- battery
Technical field
The present invention relates to technical field of lithium ion, more particularly, to a kind of core strueture for preventing battery catches fire from exploding With the lithium ion battery with the core strueture.
Background technology
Because non-renewable energy resources crisis and environmental pollution are serious, the hair of environmental protection high performance lithium ion battery is accelerated Exhibition, application field extends to the fields such as traffic power, energy storage, space flight, communication spare power supplies by digital product field;To lithium ion The demand of battery also develops into up to a hundred or even thousands of ampere-hours by hundreds of original MAHs, due to the lifting of capacity, safety factor It will be more difficult to control, present high-capacity lithium ion cell security is the problem of numerous enterprises research.
Chinese patent literature(The day for announcing:On August 10th, 2011, notification number: CN201927668U)Disclose a kind of anti- Only lithium ion battery is overcharged, short circuit causes the structure of burning, and battery is connected with circuit board, there is sample point, sample point on circuit board Connection battery;The position being connected with anode end in circuit board positive pole is provided with flame-retardant layer, and flame-retardant layer is by anode one end Other positions in addition to conductive contact are intercepted with the electrode input end of circuit board to be opened;Flame-retardant layer is provided between sample point and battery, Flame-retardant layer will be intercepted between sample point and battery and opened;Anode one end is provided with insulated ring.The utility model is in circuit board positive pole Fire proofing is set between input and anode end, between circuit board sample point and battery, though battery overcharge, it is short The situations such as road cause temperature to rise, and are come because fire proofing intercepts battery with circuit board electrode input end, therefore can prevent Circuit board and battery catches fire burn, it is ensured that battery security;In addition, adding an insulated ring in positive pole one end of battery, one can be entered Step enhancing battery insulation performance.
Chinese patent literature(The day for announcing:On June 26th, 2013, notification number: CN203026604U)Disclose a kind of soft The core strueture of bag lithium battery, including negative plate, barrier film and positive plate, are equipped with lug, negative plate on positive plate and negative plate Including copper foil of affluxion body and coating negative electrode active material thereon, bonding agent and conductive carbon powder, positive plate includes collector aluminium Paper tinsel and coating positive active material thereon, bonding agent and conductive carbon powder;Negative plate, barrier film and positive plate are sequentially stacked and roll up Around the primary battery core of formation.The utility model winds copper foil of affluxion body, barrier film and collection successively by existing primary battery core outer layer Fluid aluminium foil, makes single battery core when by acupuncture, and the huge heat that battery core inside moment produces prolongs outer layer copper foil of affluxion body and collection Fluid aluminium foil fast transfer, it is therefore prevented that battery core inside localized hyperthermia and cause on fire or blast, reaches quick when battery core is punctured The effect of radiating, so that can improve lithium ion battery punctures security performance;Other the utility model simple structure, it is easily real Existing, cost is relatively low.
Chinese patent literature(The day for announcing:On March 17th, 2010, notification number: CN201425957)Disclose a kind of water-cooled Formula lithium ion battery fire and explosion resistant device, including lithium ion battery, safety valve, lithium ion battery are loaded on and are made up of lower casing, upper lid Box body in, in lower casing built with water, soak lithium ion battery.The utility model is rational in infrastructure, and lithium ion battery is used The mode of water-cooled, constitutes explosion-proof dual fail-safe together with safety valve;There is fire-retardant effect simultaneously;It is safe and reliable, it is adaptable to automobile In the large-sized battery packs such as battery.
The content of the invention
First goal of the invention of the invention be in order to solve existing lithium ion battery when battery occur internal short-circuit or When the various undesirable elements such as overcharging, battery causes the problems such as burning, blast because energy cannot discharge, and providing one kind can have Effect prevents the burning and blast that battery core internal short-circuit causes, and design is simple, and contour structures shaping, depanning are simple, low cost, security The core strueture for preventing battery catches fire from exploding high.
Second goal of the invention of the invention be to provide it is a kind of with prevent battery catches fire explode core strueture lithium from Sub- battery.
The present invention realizes that the technical scheme that its first technical purpose is used is:A kind of electricity for preventing battery catches fire from exploding Cored structure, including battery core body and battery core housing, the outside of described battery core body are coated with high temperature autoclasis sealing device, described Battery core case inside be provided with vibration absorber, cavity, described sky are provided between described vibration absorber and sealing device Chamber inside is filled with fire extinguishing material.This prevents the core strueture that battery catches fire explodes, and is carried out in the periphery for being close to battery core hermetically sealed Parcel design one has the sealing device of high temperature autoclasis function, and the sealing device has the work(for running into and voluntarily being ruptured during high temperature Can, then battery core case inside is provided with vibration absorber, while a cavity is set between vibration absorber and sealing device, Cavity inside filling fire extinguishing material, according to battery various characteristics in itself, when battery produces potential safety hazard, internal battery pack Temperature will gradually rise, and when temperature is raised to a certain extent, the full-sealing device for being close to battery core body will voluntarily rupture, and go out Fiery material can penetrate into battery core body surface by rupturing gap, battery pack is lowered the temperature or is put out a fire, so as to control battery Group it is not on fire, do not explode, in order to further prevent blast, by setting the impact that vibration absorber will be produced from battery core body interior Power carries out release vibration damping.This prevents the core strueture that battery catches fire explodes, simple with design, contour structures shaping, depanning letter Easily;Compare with equal battery structure, material cost is less expensive, security brings up to more than 99% by 0%.
Preferably, described sealing device is to meet the polypropylene film that high temperature can be decomposed voluntarily, described sealing device The temperature voluntarily decomposed is 80 degree to 120 degree.The polypropylene film that sealing device can be decomposed voluntarily using chance high temperature, when battery core sheet When body internal temperature is increased to 80 degree, the sealing device starts autoclasis so that battery core body is connected with cavity, by cavity inside Fire extinguishing material carry out fire extinguishing cooling, prevent blast.
Preferably, described vibration absorber is vibration damping shell fragment, described vibration damping shell fragment is multi-direction to be staggeredly independently arranged.Subtract Vibrating device surprisingly produces stronger impact using the multi-direction vibration damping shell fragment being staggeredly independently arranged, such structure when battery core body During power, the vibration absorber is moved in the presence of impulsive force to different directions, is released impulsive force, plays damping effect, The blast of battery core is effectively prevented, security performance is high.
Preferably, described fire extinguishing material is water, described cavity inside is provided with multiple separate spaces by dividing plate, described Separate space inside be respectively arranged with the jet pipe for extending to battery core hull outside, the opening of described jet pipe is arranged on electric core shell The upper end of body.Used as a kind of preferred scheme, using water as fire extinguishing material, now, cavity inside is provided with multiple by dividing plate Not connected separate space, separate space is internally provided with jet pipe, and the opening of jet pipe is arranged on the upper end of battery core housing, when battery sheet When body produces potential safety hazard, the temperature at certain position of battery body can rise, and sealing device herein can rupture in advance, correspond to The water inside separate space at this can to electricity ooze body ooze into, if internal pressure continues to rise, the water inside this separate space can including Sprayed upwards by jet pipe in the presence of portion's surge, play fire extinguishing function of lowering the temperature from the top down, and other positions separate space , in the case where pressure is not reaching to, can be stayed in inside separate space the position carried out fire-proof and explosion-proof, and jet pipe is opened for internal water Relatively thin lid can be set on mouthful, it is also possible to do not set lid, be projected from opening in order to the water inside separate space, whole battery is entered Row fire extinguishing is explosion-proof.
It is dry powder or sodium acid carbonate as another preferred, described fire extinguishing material.Certain cavity inside can also be used The gas such as dry powder or sodium acid carbonate or liquid etc. are put out a fire material, when battery body produces potential safety hazard, dry powder or carbonic acid Hydrogen sodium directly to battery core body carry out fire extinguishing it is explosion-proof, coordinate outside vibration absorber can effectively prevent battery catches fire from exploding.
Preferably, being provided with multiple release apertures on described battery core housing, air pressure valve is installed in described release aperture. Multiple release apertures are provided with battery core housing, air pressure valve is set in release aperture, when battery produces potential safety hazard, internal battery pack Energy can also effectively be discharged by release aperture and air pressure valve so that further control battery pack it is not on fire, not quick-fried It is fried.Release aperture and air pressure valve can be arranged on the optional position of housing, as long as can realize dredging inside battery energy from each Through hole is discharged, and prevents battery from causing burning, blast because energy cannot discharge.
Preferably, the pore size of described release aperture is 5 ~ 50mm.The pore size of release aperture is effectively discharging energy Amount, does not cause battery catches fire to explode and is advisable.
Preferably, battery core housing is stainless steel case, iron-clad, aluminum hull, plastic casing or metal material and plastic material The shell of combination.Battery core housing can be using the housing of various materials, such as stainless steel case, iron-clad, aluminum hull, plastic casing, metal Shell of material and plastic material combinations etc., and the shape of housing is also unrestricted, according to the difference of lithium battery applications scope, And it is set to different structure.
The present invention realizes that the technical scheme that its second goal of the invention is used is:One kind has prevents battery catches fire from exploding Core strueture lithium ion battery, the lithium ion battery include base, prevent battery catches fire explode core strueture, battery pack Component and battery interface, the described core strueture for preventing battery catches fire from exploding be connected with battery pack and base constitute lithium from Sub- battery, described battery interface is electrically connected with the core strueture inside for preventing battery catches fire from exploding.The lithium ion battery, uses The core strueture for preventing battery catches fire from exploding, when internal short-circuit occurs in use in battery or the various undesirable elements such as overcharges When, the temperature of internal battery pack will gradually rise, and when temperature is raised to a certain extent, be close to the full-sealing device of battery core body Will rupture automatically, fire extinguishing material penetrates into battery core body surface with rupture gap, battery pack is lowered the temperature or is put out a fire, Vibration absorber is provided with the inside of battery core shell simultaneously, when internal impact power rises, vibration absorber is in the presence of impulsive force Flicked to different directions, play a part of to discharge impulsive force, prevent battery to cause electricity because temperature is constantly raised so as to play In-core short circuit causes burning, blast, and the lithium ion battery safety performance is high.
Preferably, sealing device can be decomposed voluntarily to meet high temperature in the described core strueture for preventing battery catches fire from exploding Polypropylene film, the temperature that described sealing device is voluntarily decomposed be 80 degree to 120 degree;Described vibration absorber is vibration damping bullet Piece, described vibration damping shell fragment is multi-direction to be staggeredly independently arranged;Described fire extinguishing material is water, and described cavity inside passes through dividing plate Multiple separate spaces are provided with, the jet pipe for extending to battery core hull outside, described jet are respectively arranged with inside described separate space The opening of pipe is arranged on the upper end of battery core housing;Or described fire extinguishing material is dry powder or sodium acid carbonate;Described battery core Multiple release apertures are provided with housing, air pressure valve are installed in described release aperture, the pore size of described release aperture for 5 ~ 50mm;Housing is the shell of stainless steel case, iron-clad, aluminum hull, plastic casing or metal material and plastic material combinations.
The beneficial effects of the invention are as follows:This prevent battery catches fire explode core strueture and the lithium with the core strueture from Sub- battery, simple with design, contour structures shaping, depanning are simple;Prevent the performance of blast on fire good, with equal battery knot Structure compares, and material cost is less expensive, and security brings up to more than 99% by 0%, safe and reliable, can be widely applied to traffic Power (electric bicycle, battery-operated motor cycle, electric automobile), the field such as energy storage, space flight, communication spare power supplies.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the core strueture that the present invention prevents battery catches fire blast;
Fig. 2 is another structural representation of the core strueture that the present invention prevents battery catches fire blast;
Fig. 3 is a kind of structural representation of the lithium ion battery with the core strueture for preventing battery catches fire from exploding in the present invention Figure;
Fig. 4 is that second structure of the lithium ion battery with the core strueture for preventing battery catches fire from exploding in the present invention is shown It is intended to;
Fig. 5 is that the third structure of the lithium ion battery with the core strueture for preventing battery catches fire from exploding in the present invention is shown It is intended to;
In figure:1st, battery core body, 2, battery core housing, 3, sealing device, 4, vibration absorber, 5, cavity, 6 fire extinguishing materials, 7, Dividing plate, 8, separate space, 9, jet pipe, 10, release aperture 11, air pressure valve, 12, base, 13, battery pack, 14, battery interface.
Specific embodiment
Technical scheme is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of core strueture for preventing battery catches fire from exploding, including battery core body 1 and electricity Core shell body 2, the outside of battery core body 1 is coated with high temperature autoclasis sealing device 3, and the inner side of battery core housing 2 is provided with vibration absorber 4, Cavity 5 is provided between vibration absorber 4 and sealing device 3, the inside of cavity 5 is filled with fire extinguishing material 6.Fire extinguishing material 6 is dry powder Or sodium acid carbonate.Material 6 of being put out a fire in the present embodiment uses sodium acid carbonate.
To meet the polypropylene film that high temperature can be decomposed voluntarily, the temperature that sealing device 3 is voluntarily decomposed is 80 degree to sealing device 3 To 120 degree.
Vibration absorber 4 is vibration damping shell fragment, and vibration damping shell fragment is multi-direction to be staggeredly independently arranged.
Multiple release apertures 10 are provided with battery core housing 2, air pressure valve 11 is installed in release aperture 10.The aperture of release aperture 10 Size is 5 ~ 50mm.
Battery core housing 2 be stainless steel case, iron-clad, aluminum hull, plastic casing or metal material and plastic material combinations outward Shell.Battery core housing uses plastic casing in the present embodiment.
A kind of lithium ion battery with the core strueture for preventing battery catches fire from exploding(See Fig. 3), the lithium ion battery bag Core strueture, battery pack 13 and the battery interface 14 for include base 12, preventing battery catches fire blast, prevent battery catches fire from exploding Core strueture be connected with battery pack 13 and base 12 composition lithium ion battery, battery interface 14 with prevent lithium ion battery The core strueture inside electrical connection of blast on fire.Sealing device 3 can to meet high temperature in preventing the core strueture of battery catches fire blast The polypropylene film for voluntarily decomposing, the temperature that sealing device 3 is voluntarily decomposed is 80 degree to 120 degree;Vibration absorber 4 is vibration damping bullet Piece, vibration damping shell fragment is multi-direction to be staggeredly independently arranged;Fire extinguishing material 6 is sodium acid carbonate, and multiple release apertures are provided with battery core housing 2 10, air pressure valve 11 is installed in release aperture 10, the pore size of release aperture 10 is 5 ~ 50mm;Battery core housing 2 is plastic casing.
Embodiment 2:
In the embodiment shown in Figure 2, a kind of core strueture for preventing battery catches fire from exploding, including battery core body 1 and electricity Core shell body 2, the outside of battery core body 1 is coated with high temperature autoclasis sealing device 3, and the inner side of battery core housing 2 is provided with vibration absorber 4, Cavity 5 is provided between vibration absorber 4 and sealing device 3, the inside of cavity 5 is filled with fire extinguishing material 6.Fire extinguishing material 6 is water, empty The inside of chamber 5 is provided with multiple separate spaces 8 by dividing plate 7, and the jet extended to outside battery core housing 2 is respectively arranged with inside separate space 8 Pipe 9, the opening of jet pipe 9 is arranged on the upper end of battery core housing 2.
To meet the polypropylene film that high temperature can be decomposed voluntarily, the temperature that sealing device 3 is voluntarily decomposed is 80 degree to sealing device 3 To 120 degree.
Vibration absorber 4 is vibration damping shell fragment, and vibration damping shell fragment is multi-direction to be staggeredly independently arranged.
Battery core housing 2 be stainless steel case, iron-clad, aluminum hull, plastic casing or metal material and plastic material combinations outward Shell.Battery core housing uses stainless steel case in the present embodiment.
A kind of lithium ion battery with the core strueture for preventing battery catches fire from exploding(See Fig. 4), the lithium ion battery bag Core strueture, battery pack 13 and the battery interface 14 for include base 12, preventing battery catches fire blast, prevent battery catches fire from exploding Core strueture be connected with battery pack 13 and base 12 composition lithium ion battery, battery interface 14 with prevent lithium ion battery The core strueture inside electrical connection of blast on fire.Sealing device 3 can to meet high temperature in preventing the core strueture of battery catches fire blast The polypropylene film for voluntarily decomposing, the temperature that sealing device 3 is voluntarily decomposed is 80 degree to 120 degree;Vibration absorber 4 is vibration damping bullet Piece, vibration damping shell fragment is multi-direction to be staggeredly independently arranged;Fire extinguishing material 6 is water, and the inside of cavity 5 is provided with multiple separate spaces by dividing plate 7 8, the jet pipe 9 extended to outside battery core housing 2 is respectively arranged with inside separate space 8, the opening of jet pipe 9 is arranged on battery core shell 2 upper end;Battery core housing 2 is stainless steel case.
This prevents the core strueture that battery catches fire explodes, and can be suitably used for the battery of various housings(See Fig. 5), battery core housing 2 It can be shell of stainless steel case, iron-clad, aluminum hull, plastic housing, metal material and plastic material combinations etc..Can apply to each neck Domain, such as traffic power (electric bicycle, battery-operated motor cycle, electric automobile), the field such as energy storage, space flight, communication spare power supplies.Electricity Any position on core shell body 2 can open up release aperture, air pressure valve be set in release aperture, such as in 6 faces of battery-pack exterior casing Release aperture is opened up on optional position, and cavity inside can fill various fire extinguishing materials, such as dry powder, gas, liquid, sodium acid carbonate Deng material.Lithium ion battery with the core strueture for preventing battery catches fire from exploding, it is not necessary to personnel control, can voluntarily be prevented Only battery catches fire, blast.
This prevents the core strueture that battery catches fire explodes, and hermetically sealed parcel design is carried out in the periphery for being close to battery core body 1 Sealing device 3, sealing device 3 has the function of running into and voluntarily ruptured during high temperature, then sets vibration damping dress in the inner side of battery core shell 2 4 are put, inside the cavity 5 being close between environmental sealing device 3 and vibration absorber 4, the fire extinguishing material 6 such as filling water, when battery is produced During raw potential safety hazard, when internal short-circuit occurs in battery or the various undesirable elements such as overcharges, the temperature of internal battery pack will gradually Raise, when temperature is raised to a certain extent, the sealing device 3 for being close to battery core body will voluntarily rupture, the fire extinguishing material such as water As rupture gap penetrates into battery core body surface, battery pack is lowered the temperature or is put out a fire, and work as internal battery pack percussive pressure When power is increased to a certain size, vibration absorber 4 in the presence of impulsive force to different directions bullet under, impulsive force is discharged, The explosion-proof effect of vibration damping is played, so that control that battery pack is not on fire, do not explode, the safe and practical property of effective guarantee battery.
This prevents the core strueture that battery catches fire explodes, and the contour structures that can be directed to various batteries are designed, and apply To various plastic materials, Aluminum Drum material, Steel material, iron material or metal material and plastic material combinations battery appearance structure, should Structure has design simple, and contour structures shaping, depanning are simple;Compare with equal battery structure, material cost is less expensive, pacify Full property brings up to more than 99% by 0%.

Claims (6)

1. a kind of core strueture for preventing battery catches fire from exploding, including battery core body(1)With battery core housing(2), it is characterised in that: Described battery core body(1)Outside be coated with high temperature autoclasis sealing device(3), described battery core housing(2)Inner side is provided with Vibration absorber(4), described vibration absorber(4)With sealing device(3)Between be provided with cavity(5), described cavity(5)It is internal Filled with fire extinguishing material(6);Fire extinguishing material(6)It is water, described cavity(5)Inside passes through dividing plate(7)It is provided with multiple mutual not The separate space for communicating(8), described separate space(8)Inside is respectively arranged with and extends to battery core housing(2)Outside jet pipe(9), institute The jet pipe stated(9)Opening be arranged on battery core housing(2)Upper end.
2. it is according to claim 1 it is a kind of prevent battery catches fire explode core strueture, it is characterised in that:Described sealing Device(3)To meet the polypropylene film that high temperature can be decomposed voluntarily, described sealing device(3)The temperature voluntarily decomposed be 80 degree extremely 120 degree.
3. it is according to claim 1 it is a kind of prevent battery catches fire explode core strueture, it is characterised in that:Described vibration damping Device(4)It is vibration damping shell fragment, described vibration damping shell fragment is multi-direction to be staggeredly independently arranged.
4. a kind of according to claim 1 or 2 or 3 prevents the core strueture that battery catches fire explodes, it is characterised in that:Battery core Housing(2)It is stainless steel case, iron-clad, aluminum hull, plastic casing or metal material and the shell of plastic material combinations.
5. a kind of lithium ion battery of the core strueture for preventing battery catches fire from exploding with described in claim 1, its feature exists In:The lithium ion battery includes base(12), prevent battery catches fire explode core strueture, battery pack(13)Connect with battery Mouthful(14), the described core strueture and battery pack that prevent battery catches fire from exploding(13)And base(12)Connection composition lithium from Sub- battery, described battery interface(14)Electrically connected with the core strueture inside for preventing battery catches fire from exploding.
6. a kind of lithium ion battery with the core strueture for preventing battery catches fire from exploding according to claim 5, it is special Levy and be:Sealing device in the described core strueture for preventing battery catches fire from exploding(3)To meet high temperature can be decomposed voluntarily poly- third Alkene film, described sealing device(3)The temperature voluntarily decomposed is 80 degree to 120 degree;Described vibration absorber(4)It is vibration damping bullet Piece, described vibration damping shell fragment is multi-direction to be staggeredly independently arranged;Described fire extinguishing material(6)It is water, described cavity(5)Inside is logical Cross dividing plate(7)It is provided with multiple not connected separate spaces(8), described separate space(8)Inside is respectively arranged with and extends to battery core housing Outside jet pipe(9), described jet pipe(9)Opening be arranged on the upper end of battery core housing;Battery core housing(2)It is stainless steel The shell of shell, iron-clad, aluminum hull, plastic casing or metal material and plastic material combinations.
CN201510305506.8A 2015-06-08 2015-06-08 A kind of core strueture for preventing battery catches fire from exploding and the lithium ion battery with the core strueture Active CN104953083B (en)

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CN104218194B (en) * 2014-07-30 2018-05-04 浙江超威创元实业有限公司 A kind of lithium battery with fireproof anti-explosion device and the electric car using the battery
CN204760489U (en) * 2015-06-08 2015-11-11 浙江超威创元实业有限公司 Prevent electric core structure of explosion on fire and lithium ion battery who has this electricity core structure

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