WO2021194059A1 - Bloc-batterie doté d'un film d'extinction d'incendie contenant des microcapsules pour éteindre des incendies - Google Patents

Bloc-batterie doté d'un film d'extinction d'incendie contenant des microcapsules pour éteindre des incendies Download PDF

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Publication number
WO2021194059A1
WO2021194059A1 PCT/KR2020/019257 KR2020019257W WO2021194059A1 WO 2021194059 A1 WO2021194059 A1 WO 2021194059A1 KR 2020019257 W KR2020019257 W KR 2020019257W WO 2021194059 A1 WO2021194059 A1 WO 2021194059A1
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WO
WIPO (PCT)
Prior art keywords
fire extinguishing
battery pack
film
cylindrical secondary
film containing
Prior art date
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PCT/KR2020/019257
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English (en)
Korean (ko)
Inventor
이상섭
김창홍
Original Assignee
주식회사 지에프아이
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Priority to CN202080099037.8A priority Critical patent/CN115428245A/zh
Priority to JP2022558080A priority patent/JP7454067B2/ja
Publication of WO2021194059A1 publication Critical patent/WO2021194059A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • 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
    • A62D1/0007—Solid extinguishing substances
    • A62D1/0021—Microcapsules
    • 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
    • A62D1/0064—Gels; Film-forming compositions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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 invention relates to a battery pack, and more specifically, to a battery pack that can be easily installed in a very small space formed when a plurality of cylindrical secondary batteries are arranged, does not have any effect on battery performance or arrangement, and is actively It relates to a battery pack equipped with a fire extinguishing film containing microcapsules for fire extinguishing that can be suppressed by
  • the types of secondary batteries currently widely used include lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydride batteries, nickel zinc batteries, and the like.
  • a battery pack is also formed by connecting batteries.
  • cylindrical secondary batteries are mainly used in units of cells.
  • the battery may ignite and overcharge.
  • the anode and cathode become thermally unstable, causing a fire due to a rapid exothermic reaction.
  • Patent Document 1 Republic of Korea Patent Publication No. 10-2009-0026648
  • Patent Document 2 Republic of Korea Patent Publication No. 10-2015-0003779
  • the present invention has been devised to solve the problems of the prior art, and while it can be easily installed in a very small space formed when a plurality of cylindrical secondary batteries are arranged, it does not have any effect on the battery performance or arrangement, and abnormal heat or fire of the battery occurs It is an object of the present invention to provide a battery pack equipped with a fire extinguishing film containing microcapsules for fire extinguishing that can be actively suppressed in the initial stage.
  • a cylindrical secondary battery in which a positive electrode protrudes from one side and a negative electrode is formed flat on the other side; a case for accommodating the plurality of cylindrical secondary batteries in horizontal and vertical directions while forming a predetermined space; It contains a fire extinguishing microcapsule, and a fire extinguishing film disposed in a predetermined space in the case in the form of a flexible film; characterized in that it comprises a.
  • the fire extinguishing film consists of a core which is a fire extinguishing agent that is phase-changed to a gaseous phase at a temperature of 30 to 300 ° C while being in a liquid state at room temperature, and a shell containing a polymer resin, a precipitating agent and a coagulant and enclosing the core to a thickness of 50 to 2000 nm.
  • earthquake extinguishing microcapsules It is characterized in that it is composed of a polymer composition in which the microcapsules for digestion are dispersed and moldable into a film form.
  • the fire extinguishing film has an O-Ring shape to pass through the positive electrode of the cylindrical secondary battery and is seated on one side and disposed in the space between the positive electrode and one side, or a plurality of cylindrical secondary batteries positioned in the case
  • a first through hole for allowing the positive electrodes to pass simultaneously is formed to cover a space between a plurality of positive electrodes and one side and a space between a cylindrical secondary battery, or to simultaneously expose a plurality of negative electrodes of a cylindrical secondary battery positioned in a case to the outside
  • a second through hole is formed and characterized in that it covers the space between the cylindrical secondary batteries.
  • the fire extinguishing film is arranged in the form of a barrier rib in the space along the longitudinal direction between the plurality of cylindrical secondary batteries, or is arranged in the form of barrier ribs in the horizontal and vertical directions to form a lattice shape, or individually in the longitudinal direction of the cylindrical secondary cells. It is characterized in that it is arranged so as to surround the outer periphery.
  • the polymer composition is polypropylene, (meth)acrylic polymer, (meth)acrylic monomer, 2-ethylhexyl acrylate (2eha), butyl acrylate, isooctyl acrylate, cellulose, polybisphenol A carbonic acid, (meth ) Epoxy polymer, epoxy monomer, Poly(ethylene-co-propylene-co-5-methylene-2-norbornene), 4,4'-isopropylidenediphenol, vinyl chloride, vinylidene chloride, tetrafluoroethylene, vinyl C1 ⁇ C10 alkylate (CH2CH-OC(O)R, R is C1 ⁇ C10 alkyl), vinyl C1 ⁇ C10 alkyl ether, vinylpyrrolidone, vinylcarbazole, acrylic acid, acrylonitrile, acrylamide, C1 ⁇ C10 alkyl acrylate, methacrylic acid, methacrylonitrile, methacrylamide, C1 ⁇ C10 It
  • the precipitating agent is characterized in that it comprises at least one selected from the group consisting of potassium acetate, sodium citrate, sodium chloride, ammonium chloride, sodium iodide, potassium iodide, copper sulfate, and sodium thiocyanate.
  • the coagulant is characterized in that it comprises at least one selected from the group consisting of zinc hydroxide and iron hydroxide.
  • the polymer composition is characterized in that it contains a powder-type heat insulating material component.
  • the battery pack provided with the fire extinguishing film containing the fire extinguishing microcapsule according to the present invention as described above can exhibit the following effects.
  • the fire-extinguishing film with fire extinguishing function can be easily installed in the smallest space placed in the battery pack, for example, in the space between several cylindrical secondary batteries, in the space between the case and secondary batteries, etc.
  • FIG. 1 is a view schematically showing a battery pack provided with a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention
  • FIG. 2 is a view showing a state in which an O-ring structure fire extinguishing film is applied among a battery pack equipped with a fire extinguishing film containing a fire extinguishing microcapsule according to the present invention
  • FIG. 3 is a view showing a state in which a fire extinguishing film having a positive electrode cover sheet structure is applied among a battery pack provided with a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention
  • FIG. 4 is a view showing a state in which a fire extinguishing film with a negative electrode cover sheet structure is applied among a battery pack having a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention
  • FIG. 5 is a view showing a state in which a fire extinguishing film having a bulkhead structure is applied among a battery pack having a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention
  • FIG. 6 is a view showing a state in which a fire extinguishing film with a battery wrapping structure is applied among a battery pack having a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention
  • FIG. 1 is a view schematically showing a battery pack provided with a fire extinguishing film containing microcapsules for fire extinguishing according to the present invention.
  • the present invention is basically configured to include a cylindrical secondary battery (10), a case (20) and a fire extinguishing film (30).
  • the present invention relates to a cylindrical secondary battery 10 in which a positive electrode 11 protrudes from one side and a negative electrode 12 is formed flat on the other side, and a plurality of cylindrical secondary batteries 10 in horizontal and vertical directions. It consists of a case 20 for forming a predetermined space while accommodating it, and a fire extinguishing film 30 containing microcapsules for fire extinguishing and disposed in a predetermined space in the case 20 in the form of a flexible film.
  • the cylindrical secondary battery 10 converts external electrical energy into chemical energy, stores it, and generates electricity when needed, and can be recharged multiple times.
  • a battery NiCd
  • Ni-MH nickel-metal hydride battery
  • Li-ion lithium ion battery
  • Li-ion polymer lithium ion polymer battery
  • the case 20 accommodates a plurality of cylindrical secondary batteries 10 to constitute a battery pack, and although not shown in the drawing, is electrically connected to the positive electrode 11 and the negative electrode 12 of the cylindrical secondary battery 10 , respectively.
  • a structure in which a hole is formed for simply connecting an external bus bar or terminal to the cylindrical secondary battery 10, which may include a bus bar, which is a bus bar, and a terminal for outputting power transmitted through the bus bar to the outside. may have a separate structure in which the cylindrical secondary battery 10 is disposed on the lower part and then coupled to the upper part, and various other types of power supplied through a plurality of cylindrical secondary batteries 10 are output to the outside. It would be desirable to be interpreted as being capable of shape deformation.
  • the fire extinguishing film 30 contains a core that is a fire extinguishing agent that phase changes to a gas phase at a temperature of 30 to 300 ° C while being in a liquid state at room temperature, a polymer resin / precipitant / coagulant, and a shell enclosing the core with a thickness of 50 to 2000 nm. After dispersing the fire extinguishing microcapsules made in a polymer composition and then forming it in a film form, the microcapsules are disposed in the space formed by the cylindrical secondary battery 10 and the case 20 .
  • extinguishing agents are 1,1,1,2,2-Pent.
  • the fire extinguishing microcapsule is in the form of a core-shell type in which the inner core is surrounded by an outer shell, the core is a fire extinguishing agent and the shell is made of a polymer resin, and the fire extinguishing agent is 80 to 97 of the fire extinguishing microcapsule.
  • afluoroethane (CF 3 CF 2 H, HFC-125), 1,1,1,2,3,3,3-Heptafluoropropane (CF 3 CHFCF 3 ), Chlorotetrafluoroethane (CHClFCF 3 ), fluorine Compound-based ketone compound, dodecafluoro-2-methylpentan-3-one(FK-5-1-12, CF 3 CF 2 C(O)CF(CF 3 ) 2 )), 1-chloro-1,2,2, 2-tetrafluoroethane (C 2 HClF 4 ), 2-chloro-1,1,1,2-tetrafluoroethane (CHClFCF 3 , HCFC-124), decafluorocyclohexanone (perfluorocyclohexanone), CF 3 CF 2 C(O)CF(CF 3 ) 2 (-1,1,1,2,4,4,5,5,5-nonafluoro-2-trifluoromethyl-butan-3one),
  • the extinguishing agent is perfluorobutane (FC-3-1-10), hydrochlorofluorocarbon admixtures (HCFC-123, HCFC-22, HCFC-124), chlorotetrafluoroethane (HCFC-124), Pentafluoroethane (HFC-125), heptafluoropropane (HFC-227ea), trifluoromethane (HFC-23), hexafluoropropane (HFC-236fa), trifluoroiodide (FIC-13I1) , a nonflammable/inert gas mixture (eg , N 2 , Ar, CO 2 ) and dodecafluoro-2-methylpentane-3-one (FK-5-1-12) may be used.
  • FC-3-1-10 perfluorobutane
  • hydrochlorofluorocarbon admixtures HCFC-123, HCFC-22, HCFC-124
  • the extinguishing agent as described above indirectly reduces the surrounding thermal energy to suppress the fire from occurring or function to put out the fire directly.
  • the shell of the fire extinguishing microcapsule wraps the outside of the fire extinguishing agent so that the fire extinguishing agent is stored in the encapsulated inner space, and weather resistance and airtightness are ensured to prevent the fire extinguishing agent from leaking into the atmosphere by the external environment at room temperature. .
  • This shell is softened at 100 ⁇ 300 °C recognized as a fire, and at the same time expands and ruptures with a phase change of the extinguishing agent, thereby injecting the extinguishing agent to the outside, and preferably 50 to react in the described fire temperature range It has a thickness of 2000 nm.
  • polyurethane resin polyurethane resin, polyurea resin, polyamide resin, polyester resin, polycarbonate resin, aminoaldehyde resin, melamine resin, polystyrene resin, styrene-acrylate copolymer resin, styrene- A methacrylate copolymer resin, gelatin or a derivative thereof, polyvinyl alcohol, phenol formaldehyde resin, resorcinol formaldehyde resin, and the like may be used.
  • the polymer resin contains a precipitating agent such as potassium acetate, sodium citrate, sodium chloride, ammonium chloride, sodium iodide, potassium iodide, copper sulfate, sodium thiocyanate, or a coagulant such as aluminum sulfate, zinc hydroxide, iron hydroxide, iron chloride, etc.
  • a precipitating agent such as potassium acetate, sodium citrate, sodium chloride, ammonium chloride, sodium iodide, potassium iodide, copper sulfate, sodium thiocyanate, or a coagulant such as aluminum sulfate, zinc hydroxide, iron hydroxide, iron chloride, etc.
  • a large amount of microcapsules for fire extinguishing do not react (rupture, leak) due to the durability and airtightness of the shell, and then react and explode simultaneously at a specific temperature (eg, 100°C or higher).
  • a specific temperature eg, 100°C or higher.
  • the extinguishing agent acts directly on the ignition point of the fire, resulting in a chain reaction with fuel (flammables), oxygen (air), heat (ignition source), and heat (ignition source) during the chain reaction, which are the four main conditions of combustion. It is used to extinguish high-energy fires.
  • the polymer composition is polypropylene, (meth)acrylic polymer, (meth)acrylic monomer, 2-ethylhexyl acrylate (2eha), butyl acrylate, isooctyl acrylate, cellulose, polybisphenol A carbonic acid, (meth)epoxy polymer , Epoxy monomer, Poly(ethylene-co-propylene-co-5-methylene-2-norbornene), 4,4'-isopropylidenediphenol, vinyl chloride, vinylidene chloride, tetrafluoroethylene, vinyl C1 ⁇ C10 alkylate (CH2CH-OC(O)R, R is C1 ⁇ C10 alkyl), vinyl C1 ⁇ C10 alkyl ether, vinylpyrrolidone, vinylcarbazole, acrylic acid, acrylonitrile, acrylamide, C1 ⁇ C10 alkyl It may be at least one selected from the group consisting of acrylate, methacrylic acid, methacrylonitrile, meth
  • the polymer composition may further include a monofunctional acrylic acid ester of a monohydric alcohol having physical properties attached to the surface of low surface energy.
  • acrylic acid ester examples include isooctyl acrylate, 2-ethyl hexyl acrylate, It may be at least one selected from the group consisting of isononyl acrylate, isodecyl acrylate, decyl acrylate, lauryl acrylate, hexyl acrylate, butyl acrylate, and octadecyl acrylate, 2-propylheptylacrylate, and the like. .
  • the fire extinguishing film 30 applied by mixing the microcapsule for fire extinguishing and the polymer composition as described above is easy to control in thickness and can be manufactured in a non-sticky type or a type having some viscosity depending on the composition selection, and is cylindrical.
  • a double-sided tape may be laminated on one side of the fire extinguishing film 30 or an adhesive may be coated.
  • the polymer composition may contain an insulating material in powder form, which is to prevent the transfer of heat or fire generated in the cylindrical secondary battery 10 to other batteries as much as possible by imparting a thermal insulation function to the fire extinguishing film, Glass wool, vermiculite, asbestos, rock wool, perlite, siliceous material, alumina material, magnesia material, carbonaceous material etc. are mentioned as a heat insulating material component.
  • FIGS. 2 to 6 which are enlarged parts corresponding to A of FIG. 1 by applying a fire extinguishing film 30 structure to a predetermined space formed through the case 20 and the cylindrical secondary battery 10, Let's take a look in detail.
  • the positive electrode 11 penetrates through the hole formed in the center, and the ring-shaped film portion is individually located on each side of the secondary battery 10
  • a fire extinguishing film is located in the space between a conductive member used to output power supplied from the secondary battery 10 to the outside, such as a busbar, and one side of the secondary battery 10
  • a conductive member used to output power supplied from the secondary battery 10 to the outside such as a busbar
  • the secondary battery 10 may be heated or fire over a certain temperature. Enables immediate suppression in case of occurrence
  • Positive electrode cover sheet structure (refer to Fig. 3)
  • a first through-hole 31 for passing the positive electrodes 11 of a plurality of cylindrical secondary batteries 10 positioned in the case 20 at the same time is formed, and a space between the plurality of positive electrodes 11 and one side and a cylindrical shape Covers the space between the secondary batteries (10)
  • the O-ring structure Like the O-ring structure, it is located in the space between the positive electrode 11 and the one side in order to provide insulation between one side of the secondary battery 10 and the conductive member.
  • Negative electrode cover sheet structure (see Fig. 4)
  • a second through hole 32 for simultaneously exposing the negative electrodes 12 of the plurality of cylindrical secondary batteries 10 positioned in the case 20 to the outside is formed, and covers the space between the cylindrical secondary batteries 10
  • the second through hole 32 formed in the sheet-shaped film generally also has a size such that the battery passes as a whole.
  • the negative electrode 12 is connected to the conductive member and the film is positioned on the bottom surface of the case as a whole, so that the secondary battery 10 is heated or fire-extinguishing when a fire occurs.
  • the film 30 can be installed by sandwiching it between the secondary batteries 10
  • the fire extinguishing performance can be maximized by allowing the films to be positioned in many spaces.
  • Each battery should surround the fire extinguishing film, and since the fire extinguishing film itself has adhesive properties, it can be easily attached without applying an adhesive to the film.
  • the above-described O-ring, positive electrode cover sheet, negative electrode cover sheet, partition wall, and battery wrapping structure of the fire extinguishing film may be selectively or comprehensively applied according to the situation according to the space of the secondary battery 10 arranged in the case 20. .
  • the battery pack provided with the fire extinguishing film containing the fire extinguishing microcapsule according to the present invention as described above can exhibit the following effects.
  • the fire-extinguishing film with fire extinguishing function can be easily installed in the smallest space placed in the battery pack, for example, in the space between several cylindrical secondary batteries, in the space between the case and secondary batteries, etc.

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

Abstract

La présente invention concerne un bloc-batterie et, plus particulièrement, un bloc-batterie qui est pourvu d'un film d'extinction d'incendie contenant des microcapsules pour éteindre des incendies. Le film d'extinction d'incendie peut être commodément installé dans un espace minimal formé lorsqu'une pluralité de batteries secondaires cylindriques sont agencées, mais n'a aucun effet sur la performance ou l'agencement des batteries, et peut supprimer activement, à un stade précoce, une production de chaleur anormale ou un incendie qui se produit dans les batteries. À cet effet, la présente invention est caractérisée en ce qu'elle comprend : des batteries secondaires cylindriques (10), chacune ayant une électrode positive (11) faisant saillie à partir d'une surface latérale et une électrode négative (12) formée à plat sur l'autre surface ; un boîtier (20) pour former un certain espace tout en logeant horizontalement et verticalement la pluralité de batteries secondaires cylindriques (10) ; et un film d'extinction d'incendie (30) qui contient des microcapsules pour éteindre des incendies et qui est disposé, sous la forme d'un film souple, dans l'espace à l'intérieur du boîtier (20).
PCT/KR2020/019257 2020-03-25 2020-12-29 Bloc-batterie doté d'un film d'extinction d'incendie contenant des microcapsules pour éteindre des incendies WO2021194059A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080099037.8A CN115428245A (zh) 2020-03-25 2020-12-29 具备包含灭火用微包囊的灭火膜的电池组
JP2022558080A JP7454067B2 (ja) 2020-03-25 2020-12-29 消火用マイクロカプセルを含有する消火フィルムを備えたバッテリーパック

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0036266 2020-03-25
KR1020200036266A KR102149439B1 (ko) 2020-03-25 2020-03-25 소화용 마이크로캡슐을 함유한 소화필름이 구비된 배터리 팩

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WO2021194059A1 true WO2021194059A1 (fr) 2021-09-30

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JP (1) JP7454067B2 (fr)
KR (1) KR102149439B1 (fr)
CN (1) CN115428245A (fr)
WO (1) WO2021194059A1 (fr)

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JP7364019B1 (ja) 2022-04-26 2023-10-18 栗田工業株式会社 蓄電デバイス構造体
DE102022109888A1 (de) 2022-04-25 2023-10-26 Bayerische Motoren Werke Aktiengesellschaft Energiespeicherzelle mit integriertem Brandschutzelement
EP4276979A3 (fr) * 2022-05-11 2023-12-27 Samsung SDI Co., Ltd. Module de batterie et système de stockage d'énergie le comprenant
CN117563184A (zh) * 2024-01-15 2024-02-20 东营昆宇电源科技有限公司 一种基于物联网的储能消防控制系统

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KR20220049262A (ko) * 2020-10-14 2022-04-21 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩
KR20220053251A (ko) * 2020-10-22 2022-04-29 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩
KR20220055975A (ko) * 2020-10-27 2022-05-04 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩
KR20220105063A (ko) * 2021-01-19 2022-07-26 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩
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