[go: up one dir, main page]

WO2024240215A1 - Agent de protection et utilisation associée - Google Patents

Agent de protection et utilisation associée Download PDF

Info

Publication number
WO2024240215A1
WO2024240215A1 PCT/CN2024/094903 CN2024094903W WO2024240215A1 WO 2024240215 A1 WO2024240215 A1 WO 2024240215A1 CN 2024094903 W CN2024094903 W CN 2024094903W WO 2024240215 A1 WO2024240215 A1 WO 2024240215A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
mol
battery
safeguard
thermal runaway
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
PCT/CN2024/094903
Other languages
English (en)
Inventor
Haibo Li
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202480033709.3A priority Critical patent/CN121175393A/zh
Publication of WO2024240215A1 publication Critical patent/WO2024240215A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028—Liquid extinguishing substances
    • A62D1/0057—Polyhaloalkanes
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0092—Gaseous extinguishing substances, e.g. liquefied gases, carbon dioxide snow
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • 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

Definitions

  • the present disclosure relates to a safeguard agent and a use thereof, which are used for the suppression and safety protection of battery thermal runaway.
  • fire retardants are added to combustibles, such as treating fabrics, wood, plastics, and rubber, so that combustibles cannot burn, or cannot burn constantly at high temperatures.
  • fire-retardant glue or fire-retardant board is used to physically isolate the burning material, making it difficult for the flame to spread and the burning to continue.
  • the extinguishant is stored in an independent container. Once a fire starts, it is artificially or automatically sprayed to the object or the room on fire to extinguish the flame and the burning.
  • Fire retardants are usually added to combustibles as additives.
  • high-risk commodities such as lithium batteries
  • thermal runaway and burning still occur inevitably, and explosions also occur from time to time.
  • adding a large amount of fire retardants to the battery will affect the electrochemical performance of the battery, and the economic efficiency is poor.
  • Liquid water and foam, chemical gases and solid dry powder are generally used as extinguishants, and local application and total flooding are used to extinguish the fire.
  • Local application refers to spraying an extinguishant on the protective object for a long time, without the need for space limitation, such as extinguishing with an extinguisher and spraying pressure water mist on fire.
  • Total flooding refers to gaseous extinguishants, such as heptafluoropropane FM-200, perfluorohexanone Novec-1230, inert gas IG-541, which require a well-sealed protected space. It is necessary to test the enclosure integrity and leakage of the protected space according to relevant standards and procedures, so that a certain volume percentage and a certain duration of chemical concentration can be maintained in the space in order to extinguish the flame and constantly suppress the burning.
  • thermal runaway of a battery is caused by internal short circuit brought by internal factors such as battery manufacturing defects or lithium dendrite phenomenon, or external factors such as impact, heating, external short circuit or wiring process. After the thermal runaway of the battery, an irreversible energy release is formed, manifested as constant heat generation, generation of inflammable and explosive gas, violent deflagration or explosion, continuous burning, smoke generation, or flameless combustion. Most of these phenomena appear in combination. Thermal runaway is not equal to burning, and burning is only one of the accompanying phenomena.
  • the technical problem solved by the present disclosure is a problem that if a large number of batteries are in an enclosure, or a space where the enclosure integrity is damaged or a space with poor sealing space, the batteries are prone to thermal runaway which cannot be terminated, and the batteries catch fire after the thermal propagation, and reignition after being extinguished by fire-fighting technology.
  • the present disclosure provides a safeguard agent and a use thereof.
  • the safeguard agent of the present disclosure can continuously cool, physically isolate and chemically suppress the burning to prevent the formation of the burning conditions, terminate the chemical reaction or suppress the unfavorable chain reaction, and finally heat and flammable and explosive gases are no longer produced, and completely terminate thermal runaway of a battery when the thermal runaway of the battery generates a large amount of heat and gas.
  • the safeguard agent of the present disclosure can be released at the same time or after a delay, and it can remain for a long time even in a space with poor sealing, and continue to play the role of cooling, isolation and suppression, preventing burning or suppressing explosions. Even if the burning occurs before release, it can extinguish the flame immediately and suppress it for a long time to prevent reignition. As a result, the following logical evolution is fundamentally blocked: When the thermal runaway of the battery cannot be terminated, thermal propagation occurs between the batteries, and the battery is thermally runaway again, further igniting and burning.
  • the present disclosure provides a safeguard agent, consisting of component A and component B;
  • the component A is selected from one or more of a C 5 -C 8 perfluoroalkane, a C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups, a C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms (the C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms consists of three elements fluorine, carbon and hydrogen) , a C 4 -C 7 perfluoroketone, a C 4 -C 7 fluoroether, a C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups and heptafluoro-2-(1,2, 2-trifluoroethyleneoxy) propane; the C 4 -C 7 flu
  • the component B is a C 3 -C 5 bromofluoroalkene and/or a C 2 -C 4 iodofluoroalkane; the bromofluoroalkene contains at least 2 fluorine atoms; the C 2 -C 4 iodofluoroalkane contains at least 4 fluorine atoms;
  • the molar ratio of the component A to the component B is 1: (1–4) .
  • the safeguard agent is a cooling suppressant or an extinguishant.
  • the safeguard agent can be used in a walled space, a sealed space or an enclosure, such as the walled space or the enclosure.
  • the safeguard agent is used to protect a battery or suppress energy that is continuously released from the battery during thermal runaway.
  • the battery is preferably a battery that releases energy in seconds when thermal runaway occurs, preferably a lithium-ion battery that releases energy in seconds.
  • the lithium-ion battery is a ternary lithium battery, a lithium-cobalt battery or a lithium manganese battery.
  • the lithium-ion battery is a prismatic battery, a pouch battery or a cylinder battery.
  • the release mode of energy release during thermal runaway is violent heat generation, gas generation, burning or explosion; the thermal runaway is caused by internal short circuit or external short circuit of the battery, which can be simulatively induced through nail penetration or heating experiment.
  • the safeguard agent is a homogeneous liquid (wherein the meaning of homogeneous liquid is that the components of the safeguard agent are homogeneously distributed without stratification) .
  • the safeguard agent can be used to suppress heat generation, gas generation or burning caused by thermal runaway of a battery.
  • the molar ratio of the component A to the component B is 1: (2–4) , such as 1: 3.
  • the C 2 -C 4 iodofluoroalkane contains one iodine atom.
  • the C 3 -C 5 bromofluoroalkene contains one bromine atom.
  • the C 5 -C 8 perfluoroalkane can be selected from perfluorohexane and/or perfluoroheptane, and the perfluorohexane is preferably perfluoro-n-hexane, perfluoro-2-methylpentane or perfluoro-2, 3-dimethylbutane; the perfluoroheptane is preferably perfluoro-n-heptane.
  • the C 5 -C 8 perfluoroalkane is, for example, selected from one or more of
  • the C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms can be decafluoropentane and/or monohydrotridecafluorohexane, such as and/or
  • the C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups can be dodecafluorocyclohexane and/or perfluoromethylcyclopentane.
  • the C 4 -C 7 perfluoroketone contains 1 or 2 carbonyl groups.
  • the C 4 -C 7 perfluoroketone is 1, 1, 1, 3, 4, 4, 4-heptafluoro-3-(trifluoromethyl) butan-2-one and/or perfluoro-2-methyl-3-pentanone.
  • the C 4 -C 7 fluoroether contains 1 or 2 oxygen atoms.
  • the C 4 -C 7 fluoroether can be selected from one or more of 2-(difluoro (methoxy) methyl) -1, 1, 1, 2, 3, 3, 3-heptafluoropropane, 2, 2, 3, 3, 3-pentafluoropropyl difluoromethyl ether, methylnonafluorobutylether, heptafluoropropyl-1, 2, 2, 2-tetrafluoroethyl ether, 1, 1, 1, 2, 2, 3, 3-heptafluoro-3-methoxypropane, 2- (difluoromethoxymethyl) -1, 1, 1, 2, 3, 3, 3-heptafluoropropane and 1-ethoxy-1, 1, 2, 3, 3, 3-hexafluoro-2- (trifluoromethyl) propane; for example, selected from one or more of
  • the C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups contains 1 oxygen atom.
  • the C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups, wherein the C 2 -C 6 refers to the carbon atoms on the ring.
  • the C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups can be perfluorocycloheptyl ether or perfluoro-2-methyl-2, 3-epoxypentane.
  • the C 3 -C 5 bromofluoroalkene can be selected from one or more of 3-bromo-3, 3-difluoropropene, 2-bromo-3, 3, 3-trifluoropropene, 3-bromo-1, 1, 3, 3-tetrafluoropropene, 2-bromo-3, 3, 4, 4, 4-pentafluoro-1-butene, 2-bromo-3, 4, 4, 4-tetrafluoro-3-(trifluoromethyl) but-1-ene and 2-bromo-3, 3, 4, 4, 5, 5, 5-octafluoro-1-pentene, for example, selected from one or more of
  • the C 2 -C 4 iodofluoroalkane can be selected from one or more of 1, 1, 1, 2-tetrafluoro-2-iodoethane, iodo-1, 1, 2, 2-tetrafluoroethane and iodoperfluorobutane, the iodoperfluorobutane is preferably 1-iodoperfluorobutane and/or 2-iodononafluorobutane, for example, selected from one or more of
  • the component A is selected from one or two of a C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups, a C 4 -C 7 perfluoroketone, C 2 -C 4 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups and a C 4 -C 7 fluoroether; the C 4 -C 7 fluoroether contains at least 7 fluorine atoms.
  • the component A is selected from one or more of
  • the component A is selected from one or two of
  • the component B is preferably selected from a C 3 bromofluoroalkene and/or a C 4 iodoperfluoroalkane; for example, selected from one or more of
  • the component B is more preferably selected from and/or
  • the boiling point of the component A can be 20–85°C, preferably 25–60°C, such as 48°C, 55°C, 49.2°C, 49.5°C, 60°C or 72°C.
  • the boiling point of the component B can be 30–80°C, preferably 30–67°C, such as 34°C or 64–67°C.
  • the molecular weight of the component A can be 200–400 g/mol, preferably 250–370 g/mol, such as 250 g/mol, 252 g/mol, 366 g/mol, 264 g/mol, 300 g/mol or 316 g/mol.
  • the molecular weight of the component B can be 150–400 g/mol, preferably 170–350 g/mol, such as 175 g/mol or 346 g/mol.
  • the latent heat of vaporization of the component A can be 21.6– 34.4 kJ/mol, preferably 26–32 kJ/mol, such as 27.3 kJ/mol, 27.8 kJ/mol, 27.9 kJ/mol, 28.3 kJ/mol, 30.7 kJ/mol or 31.5 kJ/mol.
  • the latent heat of vaporization of the component B can be 24.2–33.2 kJ/mol, preferably 28–33 kJ/mol, such as 30.6 kJ/mol or 29.6 kJ/mol.
  • the safeguard agent adopts scheme 1, scheme 2, scheme 3, scheme 4, scheme 5, scheme 6, scheme 7 or scheme 8
  • the present disclosure also provides a safeguard agent, consisting of component A and component B; and the latent heat of vaporization of the component A is 21.6–34.4 kJ/mol; the latent heat of vaporization of the component B is 24.2–33.2 kJ/mol; the boiling point of the component A is 20–85°C; the boiling point of the component B is 30–80°C; the number of fluorine atoms of the compound in the component A is 7–16, and the number of carbon atoms of the compound in the component A is 4–7; the compound in the component B contains at least one bromine or iodine atom; the number of hydrogen atoms of the compound in the component A is 0–5; the molecular weight of the component A is 200–400 g/mol; the molecular weight of the component B is 150–400 g/mol;
  • the molar ratio of the component A to the component B is 1: (1–4) .
  • the molar ratio of the component A to the component B is 1:(2–4) , such as 1: 3.
  • the component A is selected from one or more of a C 5 -C 8 perfluoroalkane, a C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups, a C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms (the C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms consists of three elements fluorine, carbon and hydrogen) , a C 4 -C 7 perfluoroketone, a C 4 -C 7 fluoroether, a C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups and heptafluoro-2- (1, 2, 2-trifluoroethyleneoxy) propane; the C 4 -C 7 fluoroether contains at least 7 fluorine atoms.
  • the component B is a C 3 -C 5 bromofluoroalkene and/or a C 2 -C 4 iodofluoroalkane; the bromofluoroalkene contains at least 2 fluorine atoms; the C 2 -C 4 iodofluoroalkane contains at least 4 fluorine atoms.
  • the safeguard agent is a homogeneous liquid (wherein the meaning of homogeneous liquid is that the components of the safeguard agent are homogeneously distributed without stratification) .
  • the safeguard agent is a cooling suppressant or an extinguishant.
  • the safeguard agent can be used in a walled space, a sealed space or an enclosure.
  • the safeguard agent is used to protect a battery or suppress energy that is continuously released from the battery during thermal runaway.
  • the battery is preferably a battery that releases energy in seconds when thermal runaway occurs, preferably a lithium-ion battery that releases energy in seconds.
  • the lithium-ion battery is a ternary lithium battery, a lithium-cobalt battery or a lithium manganese battery.
  • the lithium-ion battery is a prismatic battery, a pouch battery or a cylinder battery.
  • the release mode of energy release during thermal runaway is violent heat generation, gas generation, burning or explosion; the thermal runaway can be caused by internal short circuit or external short circuit of the battery, which can be simulatively induced through nail penetration or heating experiment.
  • the safeguard agent can be used to suppress heat generation, gas generation or burning caused by thermal runaway of a battery.
  • the number of the release of the safeguard agent can be one or more times in the use.
  • the more times are preferably three times in the use.
  • the C 2 -C 4 iodofluoroalkane contains one iodine atom.
  • the C 3 -C 5 bromofluoroalkene contains one bromine atom.
  • the C 5 -C 8 perfluoroalkane can be selected from perfluorohexane and/or perfluoroheptane, and the perfluorohexane is preferably perfluoro-n-hexane, perfluoro-2-methylpentane or perfluoro-2, 3-dimethylbutane; the perfluoroheptane is preferably perfluoro-n-heptane.
  • the C 5 -C 8 perfluoroalkane is, for example, selected from one or more of
  • the C 5 -C 8 fluoroalkane containing 1, 2, 3 or 4 hydrogen atoms can be decafluoropentane and/or monohydrotridecafluorohexane, such as and/or
  • the C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups can be dodecafluorocyclohexane and/or perfluoromethylcyclopentane.
  • the C 4 -C 7 perfluoroketone contains 1 or 2 carbonyl groups.
  • the C 4 -C 7 perfluoroketone is 1, 1, 1, 3, 4, 4, 4-heptafluoro-3- (trifluoromethyl) butan-2-one and/or perfluoro-2-methyl-3-pentanone.
  • the C 4 -C 7 fluoroether contains 1 or 2 oxygen atoms.
  • the C 4 -C 7 fluoroether can be selected from one or more of 2-(difluoro (methoxy) methyl) -1, 1, 1, 2, 3, 3, 3-heptafluoropropane, 2, 2, 3, 3, 3-pentafluoropropyl difluoromethyl ether, methylnonafluorobutylether, heptafluoropropyl-1, 2, 2, 2-tetrafluoroethyl ether, 1, 1, 1, 2, 2, 3, 3-heptafluoro-3-methoxypropane, 2- (difluoromethoxymethyl) -1, 1, 1, 2, 3, 3, 3-heptafluoropropane and 1-ethoxy-1, 1, 2, 3, 3, 3-hexafluoro-2- (trifluoromethyl) propane; for example, selected from one or more of
  • the C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups contains one oxygen atom.
  • the C 2 -C 6 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups can be perfluorocycloheptyl ether or 2-methyl-2, 3-epoxypentane.
  • the C 3 -C 5 bromofluoroalkene can be selected from one or more of 3-bromo-3, 3-difluoropropene, 2-bromo-3, 3, 3-trifluoropropene, 3-bromo-1, 1, 3, 3-tetrafluoropropene, 2-bromo-3, 3, 4, 4, 4-pentafluoro-1-butene, 2-bromo-3, 4, 4, 4-tetrafluoro-3-(trifluoromethyl) but-1-ene and 2-bromo-3, 3, 4, 4, 5, 5, 5-octafluoro-1-pentene, for example, selected from one or more of
  • the C 2 -C 4 iodofluoroalkane can be selected from one or more of 1, 1, 1, 2-tetrafluoro-2-iodoethane, iodo-1, 1, 2, 2-tetrafluoroethane and iodoperfluorobutane, the iodoperfluorobutane is preferably 1-iodoperfluorobutane and/or 2-iodononafluorobutane, for example, selected from one or more of
  • the component A is selected from one or two of a C 5 -C 7 perfluorocycloalkane which is unsubstituted or substituted by one or more trifluoromethyl groups, a C 4 -C 7 perfluoroketone, a C 2 -C 4 perfluorocyclic ether which is unsubstituted or substituted by one or more C 1 -C 3 perfluoroalkyl groups and a C 4 -C 7 fluoroether; the C 4 -C 7 fluoroether contains at least 7 fluorine atoms.
  • the component A is selected from one or more of
  • the component A is selected from one or two of
  • the component B is preferably selected from a C 3 bromofluoroalkene and/or a C 4 iodoperfluoroalkane; for example, selected from one or more of
  • the component B is more preferably selected from and/or
  • the boiling point of the component A is preferably 25–75°C, such as 48°C, 49.2°C, 49.5°C, 55°C, 60°C or 72°C.
  • the boiling point of the component B is preferably 30–67°C, such as 34°C or 64–67°C.
  • the molecular weight of the component A is preferably 250–370 g/mol, such as 250 g/mol, 252 g/mol, 366 g/mol, 264 g/mol, 300 g/mol or 316 g/mol.
  • the molecular weight of the component B is preferably 170–350 g/mol, such as 175 g/mol or 346 g/mol.
  • the latent heat of vaporization of the component A is preferably 26–32 kJ/mol, such as 27.3 kJ/mol, 27.8 kJ/mol, 27.9 kJ/mol, 28.3 kJ/mol, 30.7 kJ/mol or 31.5 kJ/mol.
  • the latent heat of vaporization of the component B is preferably 28–33 kJ/mol, such as 30.6 kJ/mol or 29.6 kJ/mol.
  • the safeguard agent adopts scheme 1, scheme 2, scheme 3, scheme 4, scheme 5, scheme 6, scheme 7 or scheme 8
  • the present disclosure also provides a thermal runaway suppressant or a fire suppressant comprising a mixture of the above-mentioned safeguard agent and one or more extinguishants.
  • the present disclosure also provides an extinguishing equipment comprising the above-mentioned safeguard agent or the above-mentioned thermal runaway suppressant or the fire suppressant.
  • the present disclosure also provides a battery system comprising the above-mentioned safeguard agent or the above-mentioned thermal runaway suppressant or the fire suppressant, wherein the safeguard agent or the thermal runaway suppressant or fire suppressant is used to suppress or terminate thermal runaway of the battery system.
  • the present disclosure also provides a safeguard agent system comprising one or more safeguard agent containers;
  • each container independently contains the above-mentioned component A and/or the above-mentioned component B, respectively stored in the containers;
  • the molar ratio of the component A to the component B in the containers is 1: (1–4) ;
  • the safeguard agent system comprises one container
  • the above-mentioned component A and the component B are stored in the container at a molar ratio of 1: (1–4) .
  • the safeguard agent system plays the role of cooling, isolation, antiflaming, explosion suppression or extinguishing by releasing the safeguard agent.
  • the safeguard agent system comprises two or more containers
  • the agents in the two or more containers can be released simultaneously or sequentially, if satisfied, the molar ratio of component A to component B in the released agents is 1: (1–4) , preferably 1: (2–4) , such as 1: 3.
  • the present disclosure also provides a method for controlling thermal runaway comprising the following steps: releasing or releasing in advance the above-mentioned safeguard agent to an object that has appeared thermal runaway or an object that is about to appear thermal runaway;
  • the molar rate ratio of the release of the component A to the component B is 1: (1–4) , preferably 1: (2–4) , such as 1: 3.
  • the method can be used in a walled space, a sealed space or an enclosure, such as the walled space or the enclosure.
  • the number of the release of the safeguard agent can be one or more times.
  • the more times are preferably three times.
  • the method is used for the object that has appeared thermal runaway or the object that is about to appear thermal runaway, and the object that has appeared thermal runaway or the object that is about to appear thermal runaway is a battery that release energy in seconds or combustibles that have characteristics of deep-seated fire such as wood, paper, cotton, and grain.
  • the battery is preferably a battery that releases energy in seconds when thermal runaway occurs, preferably a lithium-ion battery that releases energy in seconds.
  • the lithium-ion battery is a ternary lithium battery, a lithium-cobalt battery or a lithium manganese battery.
  • the lithium-ion battery is a prismatic battery, a pouch battery or a cylinder battery.
  • the release mode of energy release is violent heat generation, gas generation or burning; the thermal runaway is mostly caused by internal short circuit or external short circuit of the battery and the like, which can be simulatively induced through nail penetration or heating experiment.
  • the substituted perfluorinated compound in the present disclosure is that the fluorine atoms in the compound are substituted by other groups, for example, the C 2 -C 6 perfluorocyclic ether substituted by one or more C 1 -C 3 perfluoroalkyl groups is that the fluorine atoms on the C 2 -C 6 perfluorocyclic ether are substituted by one or more C 1 -C 3 perfluoroalkyl groups.
  • the term “more” is 2, 3, 4 or more.
  • energy release in seconds refers to a state of violent energy release when thermal runaway occurs, and the duration is within 10 seconds, 30 seconds or 60 seconds, and the releasing duration is within about 100 seconds when the cell energy is large.
  • a sealed space refers to a tightly closed and well-sealed space to prevent water vapor from entering or steam from evaporating. Its subordinate concepts include high IP level electrical cabinets and boxes, such as IP67 or IP68.
  • an enclosure refers to a closed but not sealed space to prevent dust or foreign objects from entering. Its subordinate concepts include fire gas protected closed spaces with less leakage and able to maintain gas fire extinguishing concentration; and low IP level electrical cabinets, such as indoor IP34, IP44 or outdoor IP54, IP56.
  • an walled space refers to a space enclosed on all sides, such as a space with no leakage on all sides, such as a space with no leakage on all sides and bottom.
  • the reagents and raw materials used in the present disclosure are all commercially available.
  • the positive progressive effect of the present disclosure is that the safeguard agent comprised in the present disclosure can cool the protected space and heat sources, physically isolate heat sources, prevent burning or extinguish the flame in the space, suppress explosion, and effectively and continuously suppress and prevent reignition.
  • the safeguard agent of the present disclosure as a suppression agent for battery thermal runaway can achieve the purpose of terminating the thermal runaway after cooling, antiflaming, suppression, or extinguishing of a battery in thermal runaway, and more batteries can achieve constant voltage and good appearance without damage phenomena. For other batteries affected by heat in the space, the safeguard agent can also effectively prevent or suppress potential thermal runaway.
  • a cabinet without top means that the top is completely open, the surrounding and bottom are steel plates, and there is no leakage around, simulating the environment of a battery warehouse or a battery cabinet with an open top, which is one of the walled spaces.
  • Enclosure box refers to a sealed but not airtight, less leakage, about IP44, simulating energy storage battery cabinet.
  • Airtight box simulates the airtight environment of the vehicle battery package, and has good airtightness, very little leakage, about IP67 or more.
  • the violent release of thermal runaway of the battery cell refers to the violent release duration of the stored power of the battery cell.
  • the violent release refers to the generation of high-speed off-gas, deflagration, and continuous mass fire. Small smoke and small fire are not violent.
  • the trigger method refers to the method of causing thermal runaway of the battery cell. Generally, nail penetration or electric heating is used to simulate the thermal runaway caused by an internal short circuit, so that the battery energy is released in seconds.
  • 4.100%SOC means that the battery is fully charged, and the Ah number is the battery capacity, indicating the power that can be stored.
  • IP is the level of protection against ingress of foreign objects by the casing of electrical equipment, as defined in the standard GB 4208-2008/IEC 60529-2001 "Degrees of Protection Provided by Enclosure (IP Code) ".
  • the component A and the component B were mixed homogeneously according to a certain volume ratio.
  • the types and proportions of the component A and component B are specifically shown in the following table:
  • Component A and component B were mixed and stirred evenly to obtain the safeguard agent.
  • the safeguard agent was stored in a container, pressurized by the gas, and when released, the pressure pushed the safeguard agent to release through a pipeline and a nozzle.
  • the gas could be an inert gas such as N 2 or Ar 2 .
  • the safeguard agent could be sucked or pushed out by a method of a pump or a piston, and released through a pipeline and a nozzle.
  • Effect Example 1 The effect data of the safeguard agent in Example 1 for scene 1, 2 or 3
  • Effect Example 2 The effect data of the safeguard agent in Example 2 for scene 1, 2 or 3
  • Effect Example 3 The effect data of the safeguard agent in Example 3 for scene 1, 2 or 3
  • Effect Example 4 The effect data of the safeguard agent in Example 4 for scene 1, 2 or 3
  • Effect Example 5 The effect data of the safeguard agent in Example 5 for scene 1, 2 or 3
  • Effect Example 6 The effect data of the safeguard agent in Example 6 for scene 1, 2 or 3
  • Effect Example 7 The effect data of the safeguard agent in Example 7 for scene 1, 2 or 3
  • Effect Example 8 The effect data of the safeguard agent in Example 8 for scene 1, 2 or 3

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Secondary Cells (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente divulgation divulgue un agent de protection et une utilisation associée. La présente divulgation concerne un agent de protection constitué d'un composant A et d'un composant B, et le rapport molaire du composant A sur le composant B est de 1:(1–4). L'agent de protection de la présente divulgation peut refroidir l'espace protégé et des sources de chaleur, isoler physiquement des sources de chaleur, empêcher une combustion ou éteindre la flamme dans l'espace, supprimer une explosion, et supprimer et empêcher efficacement et en continu un rallumage. L'utilisation de l'agent de protection de la présente divulgation en tant qu'agent de suppression pour un emballement thermique de batterie peut parvenir à l'objectif de mettre fin à un emballement thermique après refroidissement, anti-inflammation, suppression ou extinction d'une batterie en emballement thermique, et davantage de batteries peuvent parvenir à une tension constante et un bon aspect sans phénomène d'endommagement. Pour d'autres batteries affectées par de la chaleur dans l'espace, l'agent de protection peut également empêcher ou supprimer efficacement un possible emballement thermique.
PCT/CN2024/094903 2023-05-25 2024-05-23 Agent de protection et utilisation associée Pending WO2024240215A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202480033709.3A CN121175393A (zh) 2023-05-25 2024-05-23 一种安保剂及其应用

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNPCT/CN2023/096354 2023-05-25
CN2023096354 2023-05-25

Publications (1)

Publication Number Publication Date
WO2024240215A1 true WO2024240215A1 (fr) 2024-11-28

Family

ID=93588953

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/094903 Pending WO2024240215A1 (fr) 2023-05-25 2024-05-23 Agent de protection et utilisation associée

Country Status (2)

Country Link
CN (1) CN121175393A (fr)
WO (1) WO2024240215A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117531162A (zh) * 2023-11-07 2024-02-09 东莞澳中新材料科技股份有限公司 一种灭火组合物及其制备方法、应用

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005585A1 (fr) * 1989-10-10 1991-05-02 Great Lakes Chemical Corporation Compositions extinctrices de feu, procedes et systemes utilisant du bromodifluoromethane
CN1122606A (zh) * 1993-03-05 1996-05-15 宜康有限公司 用作含氯氟烃及含溴氟烃等的代用品的含碘氟烃掺合物
CN1237110A (zh) * 1996-09-09 1999-12-01 新墨西哥大学 防火及防爆保护用溴代烃共混物
EP1362619A2 (fr) * 1999-07-20 2003-11-19 3M Innovative Properties Company Composition extinctrice d'incendie
AU2012254916A1 (en) * 2005-11-01 2012-12-13 E. I. Du Pont De Nemours And Company Fire extinguisher and fire suppression compositions comprising unsaturated fluorocarbons
US20130269958A1 (en) * 2011-01-10 2013-10-17 Zhongxing Zhang Fluorinated oxiranes as fire extinguishing compositions and methods of extinguishing fires therewith
CN107213576A (zh) * 2017-07-17 2017-09-29 九江中船化学科技有限公司 一种洁净高效的气体灭火剂组合物
CN107437639A (zh) * 2017-06-14 2017-12-05 北京理工大学 锂离子动力电池热失控安全防控方法及装置
CN110478842A (zh) * 2019-06-28 2019-11-22 浙江南都电源动力股份有限公司 锂电用复合灭火剂
CN113230577A (zh) * 2021-04-26 2021-08-10 深圳供电局有限公司 锂离子电池微胶囊灭火剂及其制备方法与应用
CN113856129A (zh) * 2021-11-23 2021-12-31 中国民航大学 一种具有降温功能的复合灭火剂制备方法
CN114515402A (zh) * 2022-03-03 2022-05-20 湖南防灾科技有限公司 锂电池储能系统钝化灭火抑爆系统及方法

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005585A1 (fr) * 1989-10-10 1991-05-02 Great Lakes Chemical Corporation Compositions extinctrices de feu, procedes et systemes utilisant du bromodifluoromethane
CN1122606A (zh) * 1993-03-05 1996-05-15 宜康有限公司 用作含氯氟烃及含溴氟烃等的代用品的含碘氟烃掺合物
CN1237110A (zh) * 1996-09-09 1999-12-01 新墨西哥大学 防火及防爆保护用溴代烃共混物
EP1362619A2 (fr) * 1999-07-20 2003-11-19 3M Innovative Properties Company Composition extinctrice d'incendie
AU2012254916A1 (en) * 2005-11-01 2012-12-13 E. I. Du Pont De Nemours And Company Fire extinguisher and fire suppression compositions comprising unsaturated fluorocarbons
US20130269958A1 (en) * 2011-01-10 2013-10-17 Zhongxing Zhang Fluorinated oxiranes as fire extinguishing compositions and methods of extinguishing fires therewith
CN107437639A (zh) * 2017-06-14 2017-12-05 北京理工大学 锂离子动力电池热失控安全防控方法及装置
CN107213576A (zh) * 2017-07-17 2017-09-29 九江中船化学科技有限公司 一种洁净高效的气体灭火剂组合物
CN110478842A (zh) * 2019-06-28 2019-11-22 浙江南都电源动力股份有限公司 锂电用复合灭火剂
CN113230577A (zh) * 2021-04-26 2021-08-10 深圳供电局有限公司 锂离子电池微胶囊灭火剂及其制备方法与应用
CN113856129A (zh) * 2021-11-23 2021-12-31 中国民航大学 一种具有降温功能的复合灭火剂制备方法
CN114515402A (zh) * 2022-03-03 2022-05-20 湖南防灾科技有限公司 锂电池储能系统钝化灭火抑爆系统及方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHAO HONGHAI: "The study on synergism of binary gas fire suppressants", FIRE SCIENCE AND TECHNOLOGY, TIANJIN FIRE RESEARCH INSTITUTE OF THE MINISTRY OF EMERGENCY MANAGEMENT, CN, vol. 36, no. 02, 15 February 2017 (2017-02-15), CN, pages 233 - 237, XP009559121, ISSN: 1009-0029 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117531162A (zh) * 2023-11-07 2024-02-09 东莞澳中新材料科技股份有限公司 一种灭火组合物及其制备方法、应用
CN117531162B (zh) * 2023-11-07 2025-08-01 东莞澳中新材料科技股份有限公司 一种灭火组合物及其制备方法、应用

Also Published As

Publication number Publication date
CN121175393A (zh) 2025-12-19

Similar Documents

Publication Publication Date Title
Zhang et al. A review of fire-extinguishing agents and fire suppression strategies for lithium-ion batteries fire
CN110433419B (zh) 锂电热失控火灾抑制胶囊及锂离子电池
CN110935128B (zh) 一种防火降温水凝胶及其制备方法
Sun et al. Experimental study on suppressing thermal runaway propagation of lithium-ion batteries in confined space by various fire extinguishing agents
Meng et al. Experimental study on combustion behavior and fire extinguishing of lithium iron phosphate battery
Liu et al. Experimental study on the efficiency of dodecafluoro-2-methylpentan-3-one on suppressing lithium-ion battery fires
Luo et al. Research and development of fire extinguishing technology for power lithium batteries
Rao et al. Study of fire tests and fire safety measures on lithiumion battery used on ships
Ping et al. Experimental study on the synergistic strategy of liquid nitrogen and water mist for fire extinguishing and cooling of lithium-ion batteries
CN103329307A (zh) 由多个电化学蓄能器组成的蓄电池
Lei et al. Non-coordinating flame retardants with varied vapor pressures enabling biphasic fire-extinguishing electrolyte for high safety lithium-ion batteries
CN113426059B (zh) 一种适用于扑灭锂离子电池火灾的有机/无机杂化核壳结构灭火剂及其制备方法
Andersson et al. Lion Fire: Extinguishment and mitigation of fires in Li-ion batteries at sea
WO2024240215A1 (fr) Agent de protection et utilisation associée
Wang et al. Study on the fire suppression efficiency of common extinguishing agents for lithium iron phosphate battery fires
CN110368631A (zh) 一种锂离子电池灭火剂及其制备方法
CN117258208A (zh) 一种适用于锂电池消防的灭火剂及其制备方法
US11617909B2 (en) Method for preparing non-corrosive fire extinguishing agent
Yuan et al. Experimental study on suppression of lithium iron phosphate battery fires
Summer Flammability assessment of lithium-ion and lithium-ion polymer battery cells designed for aircraft power usage
US20240390719A1 (en) Safeguard agent and use thereof
CN114191750A (zh) 锂电池储能系统钝化灭火抑爆系统及方法
Said et al. A perspective on the safety of large-format lithium-ion battery in underground mining operations: Thermal runaway and its mitigation: KO Said et al.
Zhao et al. Hydrogel-based fire extinguishing technology for lithium-ion battery fires: mechanisms, applications, and future perspectives
Ghiji et al. Lithium-ion battery fire suppression using water mist systems

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24810452

Country of ref document: EP

Kind code of ref document: A1