CN109148786A - A kind of battery with fire extinguishing safeguard function - Google Patents

A kind of battery with fire extinguishing safeguard function Download PDF

Info

Publication number
CN109148786A
CN109148786A CN201811215686.0A CN201811215686A CN109148786A CN 109148786 A CN109148786 A CN 109148786A CN 201811215686 A CN201811215686 A CN 201811215686A CN 109148786 A CN109148786 A CN 109148786A
Authority
CN
China
Prior art keywords
liquid storage
storage cavity
battery
battery core
fire extinguishing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811215686.0A
Other languages
Chinese (zh)
Inventor
于广超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY Co Ltd
Original Assignee
TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY Co Ltd filed Critical TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY Co Ltd
Priority to CN201811215686.0A priority Critical patent/CN109148786A/en
Publication of CN109148786A publication Critical patent/CN109148786A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a kind of batteries with fire extinguishing safeguard function, including battery core (3), the battery core (3) to be located in hollow battery case;Position between the outer surface of the battery core (3) and the inner surface of battery case is disposed with the first liquid storage cavity (1) of hollow sealing and the second liquid storage cavity (2) of hollow sealing from the inside to surface;The first liquid storage cavity (1) and the second liquid storage cavity (2) are stored with two different solution respectively, both different solution will form flame retardant upon mixing;The first liquid storage cavity (1) and the second liquid storage cavity (2) are in contact.A kind of battery with fire extinguishing safeguard function disclosed by the invention, it can be when extruding of the battery by external strength or needle thorn etc. destroy, prevent cells burst on fire in time, prevent the state of affairs from deteriorating, it is obviously improved the general safety performance of battery, the market application prospect for being conducive to improve cell production companies product, is of great practical significance.

Description

A kind of battery with fire extinguishing safeguard function
Technical field
The present invention relates to battery technology fields, more particularly to a kind of battery with fire extinguishing safeguard function.
Background technique
Currently, the layout for the new energy that globalizes is more next along with the influence of the environmental pollution and energy shortage that are on the rise More wide in range, new energy product also gradually comes into the every aspect of life, wherein an important component for comparing core is exactly Battery, as the vehicle mounted dynamic battery on the carrier and source, especially electric car of all device power outputs, quantity is more, Energy is big, and therefore, the safety of battery is concerned, this is also that new-energy automobile is pushed to popularize a problem urgently to be resolved.
It is substantially Soft Roll for existing power battery, aluminum hull, the types such as steel shell, the promotion of battery security is main It is the design and battery management control system (BMS) by battery structure, to be controlled.But when battery is by extraneous ring When the strength in border squeezes or needle pierces, battery moment can generate very big heat, to cause battery problem on fire occur, sternly Explosion is even resulted in when weight.Existing battery management control system BMS is difficult to control similar problems.
Therefore, there is an urgent need to develop a kind of technologies out at present, can be in extruding of the battery by external strength or needle When thorn etc. destroys, prevents cells burst on fire in time, prevent the state of affairs from deteriorating, be obviously improved the general safety performance of battery.
Summary of the invention
In view of this, the object of the present invention is to provide it is a kind of with fire extinguishing safeguard function battery, can battery by When extruding or needle thorn to external strength etc. destroy, prevents cells burst on fire in time, prevent the state of affairs from deteriorating, be obviously improved electricity The general safety performance in pond is conducive to the market application prospect for improving cell production companies product, has great production practices Meaning.
For this purpose, the present invention provides a kind of battery with fire extinguishing safeguard function, including battery core, the battery core are located at hollow Battery case in;
Position between the outer surface of the battery core and the inner surface of battery case is disposed with hollow close from the inside to surface First liquid storage cavity of envelope and the second liquid storage cavity of hollow sealing;
The first liquid storage cavity and the second liquid storage cavity are stored with two different solution respectively, both are different molten Liquid will form flame retardant upon mixing;
The first liquid storage cavity and the second liquid storage cavity are in contact.
Wherein, when the battery core is rectangular battery core, the position between two sides and battery case up and down of the battery core, It is disposed with the first liquid storage cavity and the second liquid storage cavity from the inside to surface respectively;
The first liquid storage cavity and the second liquid storage cavity are rectangular cavity;
The matching corresponding with the shape size of battery core of the shape of the first liquid storage cavity and the second liquid storage cavity, size.
Wherein, when the battery core is cylindrical battery core, the surrounding outer wall of the battery core and the inner surface of battery case Between position, being disposed with the first liquid storage cavity that cross section is circular ring shape and cross section from the inside to surface is the of circular ring shape Two liquid storage cavitys.
Wherein, there is the first liquid injection port on the first liquid storage cavity, there is the second fluid injection on the second liquid storage cavity Mouthful;
First liquid injection port and the second liquid injection port are sealed processing respectively.
Wherein, the first liquid storage cavity and the interior solution stored of the second liquid storage chamber body, respectively aluminum sulfate solution and carbon Sour hydrogen sodium solution.
Wherein, the first liquid storage cavity and the interior solution stored of the second liquid storage chamber body, respectively containing the sulphur of fire retardant Sour aluminum solutions and sodium bicarbonate solution containing fire retardant.
Wherein, the fire retardant includes appointing in alkyl phosphoric acid esters, phosphenylic acid esters and cyclic phosphazene based flame retardant Meaning is one or more kinds of.
Wherein, the fire retardant includes: trimethyl phosphate, triethyl phosphate, triphenyl phosphate, tributyl phosphate and pregnancy One or more of base phosphonitrile.
By the above technical solution provided by the invention as it can be seen that compared with prior art, the present invention provides one kind to have The battery of fire extinguishing safeguard function can prevent electricity when extruding of the battery by external strength or needle thorn etc. destroy in time Pond burning is on fire, prevents the state of affairs from deteriorating, is obviously improved the general safety performance of battery, is conducive to improve cell production companies product Market application prospect, be of great practical significance.
Detailed description of the invention
Fig. 1 is a kind of confined explosion's signal of the embodiment one of battery with fire extinguishing safeguard function provided by the invention Figure;
Fig. 2 is a kind of perspective view of the embodiment one of battery with fire extinguishing safeguard function provided by the invention;
Fig. 3 is a kind of top view of the embodiment two of battery with fire extinguishing safeguard function provided by the invention;
Fig. 4 is battery core cylindrical in a kind of embodiment two of battery with fire extinguishing safeguard function provided by the invention Schematic perspective view;
In figure: 1 is the first liquid storage cavity, and 2 be the second liquid storage cavity, and 3 be battery core, and 4 be the first liquid injection port, and 5 be the second note Liquid mouth.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this Invention is described in further detail.
Referring to Fig. 1 to Fig. 4, the present invention provides a kind of batteries with fire extinguishing safeguard function, including battery core (i.e. battery Packet) 3, the battery core 3 is located in hollow battery case;
Position between the outer surface of the battery core 3 and the inner surface of battery case, from the inside to surface (i.e. between battery core 3 Distance from the near to the distant) be disposed with the first liquid storage cavity 1 of hollow sealing and the second liquid storage cavity 2 of hollow sealing;
The first liquid storage cavity 1 and the second liquid storage cavity 2 are stored with two different solution respectively, both are different Solution will form flame retardant upon mixing, such as react and to form flame retardant, to have flame retarding function;
The first liquid storage cavity 1 and the second liquid storage cavity 2 are in contact, and the solution inside the two is spaced apart completely.
In the present invention, described when the battery core 3 is rectangular battery core referring to shown in Fig. 1, Fig. 2 in specific implementation The position between two sides and battery case up and down of battery core 3, respectively from the inside to surface the distance between (i.e. with battery core 3 from the near to the distant) It is disposed with the first liquid storage cavity 1 and the second liquid storage cavity 2;
The first liquid storage cavity 1 and the second liquid storage cavity 2 are rectangular cavity;
Shape, size corresponding with the shape size of battery core 3 of the first liquid storage cavity 1 and the second liquid storage cavity 2 Match.
Therefore, the present invention can form good fire extinguishing protection with the front and back of the battery core 3 of square shaped.
In the present invention, in specific implementation, referring to shown in Fig. 3, Fig. 4, when the battery core 3 is cylindrical battery core, institute State the position between the surrounding outer wall of battery core 3 and the inner surface of battery case, from the inside to surface (i.e. with the distance between battery core 3 by It is proximal and distal) it is disposed with the first liquid storage cavity 1 that cross section is circular ring shape and the second liquid storage cavity that cross section is circular ring shape 2。
Therefore, because the different solutions of flame retarding function, in the formal distribution of package battery core, therefore, the present invention can be to circle The surrounding outer wall of cylindrical battery core 3 plays 360 ° of comprehensive fire extinguishing protection.
In the present invention, in specific implementation, the battery core 3 can be the battery core of aluminum hull battery core or Soft Roll design.
In the present invention, in specific implementation, the material of the first liquid storage cavity 1 and the second liquid storage cavity 2, it is desirable that acidproof Alkali, high-low temperature resistant is corrosion-resistant, is not involved in the plastics of electrolyte reaction, can use PP, PA, PET, the materials such as PVC.
In the present invention, in specific implementation, the first liquid storage cavity 1 and the second liquid storage cavity 2 can be integrally formed Cavity.
It should be noted that the first liquid storage cavity 1 and the second liquid storage cavity 2 are respectively provided with two kinds for the present invention Different solutions, both solution upon mixing, have flame retarding function, can play a protective role to battery core.
In specific implementation, after the first liquid storage cavity 1 and the second liquid storage cavity 2 have infused solution in inside, sealing mode Any way can be used, such as can be using process seals such as hot welds, as long as can guarantee sealing.
In specific implementation, there is the first liquid injection port 4 on the first liquid storage cavity 1, have on the second liquid storage cavity 2 Second liquid injection port 5;
First liquid injection port 4 and the second liquid injection port 5 are sealed processing (such as with sealing-plug) respectively.
Therefore, by the design of the first liquid injection port 4 and the second liquid injection port 5, it can be convenient injection solution.
In the present invention, in specific implementation, the solution stored in the first liquid storage cavity 1 and the second liquid storage cavity 2 is excellent Choosing respectively aluminum sulfate solution and sodium bicarbonate solution are further preferably respectively the aluminum sulfate solution containing fire retardant and are contained The sodium bicarbonate solution of fire retardant.
It should be noted that also can be used as a kind of invention form without fire retardant in solution, as long as solution is with fire-retardant Effect.
In specific implementation, the fire retardant may include alkyl phosphoric acid esters, phosphenylic acid esters and cyclic phosphazene class etc. In fire retardant any one or it is a variety of.The fire retardant for example may include: trimethyl phosphate (TMP), triethyl phosphate (TEP), one or more of triphenyl phosphate (TPP), tributyl phosphate (TBP) and hexamethyl phosphonitrile (HMPN).
It should be noted that for battery provided by the invention, when battery (especially ternary form) is encountering the strong of outside When power squeezes, needle pierces, the first liquid storage cavity 1 and the second liquid storage cavity 2 between battery case and battery core are destroyed, the first liquid storage Cavity 1 and aluminum sulfate solution in the second liquid storage cavity 2 and sodium bicarbonate solution flow out first, that is, release with fire retardant Two kinds of reactants.Both solution can react rapidly, sponge first battery by external environment strength squeeze or needle Generated heat when thorn, then reaction generates aluminum hydroxide precipitate, is covered on the surface of battery core, while generating carbon dioxide (as flame retardant) completely cuts off air, reduces the temperature of battery, in a very short period of time, can form fire extinguishing environment, prevent battery Heat increases, to prevent cells burst on fire, it is ensured that the safety of battery prevents the state of affairs from deteriorating.
It therefore, can be when extruding of the battery by external strength or needle thorn etc. destroy, in its hair for the present invention Before the problems such as raw catching fire, play the role of control protection at the first time.
It should be noted that battery of the invention can be any one battery, preferably various types of power batteries.
Compared with prior art, the battery with fire extinguishing safeguard function provided by the invention has following beneficial to effect Fruit:
1, the present invention can control battery risk class, increase battery security;
2, the first liquid storage cavity 1 of the invention and the second liquid storage cavity 2 is reasonable in design, and easy to use and structure is drilled Become;
3, the first liquid storage cavity 1 and the second liquid storage cavity 2 of the invention, can unlimited setting shape, size, position and a Number, in order to be distributed in each position required for battery core;
4, fire extinguishing current design manual of protective structures of the invention, can be flexibly applied to the batteries such as aluminum hull, Soft Roll and cylinder, not limit Battery types.
In conclusion compared with prior art, a kind of battery with fire extinguishing safeguard function provided by the invention can To prevent cells burst on fire in time, prevent the state of affairs from deteriorating when extruding of the battery by external strength or needle thorn etc. destroy, It is obviously improved the general safety performance of battery, is conducive to the market application prospect for improving cell production companies product, has great Production practices meaning.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (8)

1. a kind of battery with fire extinguishing safeguard function, which is characterized in that including battery core (3), the battery core (3) is located at hollow In battery case;
Position between the outer surface of the battery core (3) and the inner surface of battery case, is disposed with hollow close from the inside to surface First liquid storage cavity (1) of envelope and the second liquid storage cavity (2) of hollow sealing;
The first liquid storage cavity (1) and the second liquid storage cavity (2) are stored with two different solution respectively, both are different Solution will form flame retardant upon mixing;
The first liquid storage cavity (1) and the second liquid storage cavity (2) are in contact.
2. the battery with fire extinguishing safeguard function as described in claim 1, which is characterized in that when the battery core (3) are rectangular Battery core when, the position between two sides and battery case up and down of the battery core (3) is disposed with first from the inside to surface respectively Liquid storage cavity (1) and the second liquid storage cavity (2);
The first liquid storage cavity (1) and the second liquid storage cavity (2) are rectangular cavity;
The shape of the first liquid storage cavity (1) and the second liquid storage cavity (2), size are corresponding with the shape size of battery core (3) Matching.
3. the battery with fire extinguishing safeguard function as described in claim 1, which is characterized in that when the battery core (3) are cylinder When the battery core of shape, position between the surrounding outer wall of the battery core (3) and the inner surface of battery case is set gradually from the inside to surface Cross section be circular ring shape the first liquid storage cavity (1) and cross section be circular ring shape the second liquid storage cavity (2).
4. the battery with fire extinguishing safeguard function as described in claim 1, which is characterized in that the first liquid storage cavity (1) It is upper that there are the first liquid injection port (4), there are the second liquid injection port (5) on the second liquid storage cavity (2);
First liquid injection port (4) and the second liquid injection port (5) are sealed processing respectively.
5. the battery with fire extinguishing safeguard function as described in claim 1, which is characterized in that the first liquid storage cavity (1) With the solution stored in the second liquid storage cavity (2), respectively aluminum sulfate solution and sodium bicarbonate solution.
6. the battery with fire extinguishing safeguard function as described in claim 1, which is characterized in that the first liquid storage cavity (1) With the solution stored in the second liquid storage cavity (2), the respectively aluminum sulfate solution containing fire retardant and the carbonic acid containing fire retardant Hydrogen sodium solution.
7. the battery with fire extinguishing safeguard function as claimed in claim 6, which is characterized in that the fire retardant includes alkyl phosphorus In esters of gallic acid, phosphenylic acid esters and cyclic phosphazene based flame retardant any one or it is a variety of.
8. the battery with fire extinguishing safeguard function as claimed in claim 6, which is characterized in that the fire retardant includes: phosphoric acid One or more of trimethyl, triethyl phosphate, triphenyl phosphate, tributyl phosphate and hexamethyl phosphonitrile.
CN201811215686.0A 2018-10-18 2018-10-18 A kind of battery with fire extinguishing safeguard function Pending CN109148786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811215686.0A CN109148786A (en) 2018-10-18 2018-10-18 A kind of battery with fire extinguishing safeguard function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811215686.0A CN109148786A (en) 2018-10-18 2018-10-18 A kind of battery with fire extinguishing safeguard function

Publications (1)

Publication Number Publication Date
CN109148786A true CN109148786A (en) 2019-01-04

Family

ID=64808373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811215686.0A Pending CN109148786A (en) 2018-10-18 2018-10-18 A kind of battery with fire extinguishing safeguard function

Country Status (1)

Country Link
CN (1) CN109148786A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110444709A (en) * 2019-08-14 2019-11-12 朱良彬 A kind of new-energy automobile anti-collision structure
CN115483489A (en) * 2019-08-19 2022-12-16 上海移宇科技股份有限公司 Battery case integrated analyte detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206098596U (en) * 2016-09-18 2017-04-12 广东精进能源有限公司 Safe large capacity cylinder electricity core
CN108091952A (en) * 2018-01-22 2018-05-29 电子科技大学中山学院 Novel unmanned aerial vehicle lithium cell
CN209029436U (en) * 2018-10-18 2019-06-25 天津中聚新能源科技有限公司 A kind of battery with fire extinguishing safeguard function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206098596U (en) * 2016-09-18 2017-04-12 广东精进能源有限公司 Safe large capacity cylinder electricity core
CN108091952A (en) * 2018-01-22 2018-05-29 电子科技大学中山学院 Novel unmanned aerial vehicle lithium cell
CN209029436U (en) * 2018-10-18 2019-06-25 天津中聚新能源科技有限公司 A kind of battery with fire extinguishing safeguard function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110444709A (en) * 2019-08-14 2019-11-12 朱良彬 A kind of new-energy automobile anti-collision structure
CN115483489A (en) * 2019-08-19 2022-12-16 上海移宇科技股份有限公司 Battery case integrated analyte detection device
CN115483489B (en) * 2019-08-19 2023-11-21 上海移宇科技股份有限公司 Battery housing integrated analyte sensing device

Similar Documents

Publication Publication Date Title
CN207353336U (en) A kind of power lithium battery box with extinguishing device
CN109148786A (en) A kind of battery with fire extinguishing safeguard function
CN204946962U (en) A kind of power brick with fire-retarding device
CN209029436U (en) A kind of battery with fire extinguishing safeguard function
CN205303522U (en) Safe battery module
CN106129456A (en) A kind of electrolyte functional additive, long circulating lithium-ion battery electrolytes and lithium ion battery
CN101453002A (en) Battery and method for preparing the same
CN110112329B (en) Lithium ion battery and battery module
CN109830769A (en) A kind of polymer Li-ion battery
CN206532834U (en) A kind of safety-type lithium battery
CN110242856A (en) A kind of ammonia steel cylinder
CN210224113U (en) Emergent lithium cell of preventing fires
CN208690462U (en) Evade the system that metal air fuel cell shuts down corrosion
CN206180022U (en) Lithium battery
CN206282915U (en) A kind of outer penetration type side exhaust battery explosion-proof cap
CN104934646A (en) Method for improving security of ternary-material polymer lithium ion battery
CN209266447U (en) A kind of soft pack cell and battery system
CN205846167U (en) Waterproof lead acid battery charging device
CN207489979U (en) A kind of explosion-protection equipment of lithium battery
CN209790667U (en) New energy automobile battery package air feeder
CN106832578A (en) A kind of automobile storage battery tank material with flame retardant effect and preparation method thereof
CN206152773U (en) Simple and easy gaseous generating device
CN206322779U (en) A kind of lithium ion battery of high safety
CN207719258U (en) Injection molding type explosion-proof cap component and battery
CN104393341A (en) Highly safe electrolyte of lithium battery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190104

WD01 Invention patent application deemed withdrawn after publication