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1. WO2022004845 - SOLID-STATE SECONDARY BATTERY

Publication Number WO/2022/004845
Publication Date 06.01.2022
International Application No. PCT/JP2021/024963
International Filing Date 01.07.2021
IPC
H01M 10/052 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 10/0562 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0561the electrolyte being constituted of inorganic materials only
0562Solid materials
H01M 10/0585 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
0585of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 50/105 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
102characterised by their shape or physical structure
105Pouches or flexible bags
H01M 50/119 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
116characterised by the material
117Inorganic material
119Metals
H01M 50/124 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
116characterised by the material
124having a layered structure
Applicants
  • マクセル株式会社 MAXELL, LTD. [JP]/[JP]
Inventors
  • 喜多房次 KITA Fusaji
  • 井上智順 INOUE Toshiyuki
Agents
  • 特許業務法人池内アンドパートナーズ IKEUCHI & PARTNERS
Priority Data
2020-11577703.07.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) SOLID-STATE SECONDARY BATTERY
(FR) BATTERIE SECONDAIRE ENTIÈREMENT SOLIDE
(JA) 固体二次電池
Abstract
(EN) A solid-state secondary battery according to the present invention is provided with an outer package and an electric power generation element that is contained in the outer package. The outer package is configured from a laminate outer package material that comprises a metal layer; the electric power generation element comprises a positive electrode, a negative electrode and a solid electrolyte layer that is arranged between the positive electrode and the negative electrode; each of the electrodes, which are arranged on both ends of the electric power generation element, has a collector on the outermost surface side; an insulating layer is arranged between at least one outermost surface of the electric power generation element and the laminate outer package material; and the insulating layer is configured from a material that has a melting point of 180°C or higher or a material that does not have a melting point.
(FR) La présente invention concerne une batterie secondaire entièrement solide qui est pourvue d'un boîtier externe et d'un élément de production d'énergie électrique qui est contenu dans le boîtier externe. Le boîtier externe est constitué d'un matériau de boîtier externe stratifié qui comprend une couche métallique ; l'élément de production d'énergie électrique comprend une électrode positive, une électrode négative et une couche d'électrolyte solide qui est disposée entre l'électrode positive et l'électrode négative ; chacune des électrodes, qui sont disposées aux deux extrémités de l'élément de production d'énergie électrique, comprend un collecteur sur le côté de surface externe ; une couche isolante est disposée entre au moins une surface externe de l'élément de production d'énergie électrique et le matériau de boîtier externe stratifié ; et la couche isolante est constituée d'un matériau qui a un point de fusion supérieur ou égal à 180 °C ou d'un matériau qui n'a pas de point de fusion.
(JA) 本願の固体二次電池は、外装体と、前記外装体内に収容された発電要素とを備え、前記外装体は、金属層を含むラミネート外装材で構成され、前記発電要素は、正極と、負極と、前記正極と前記負極との間に配置された固体電解質層とを含み、前記発電要素の両端部に配置された電極は、それぞれ最外面側に集電体を備え、前記発電要素の少なくとも一方の最外面と、前記ラミネート外装材との間に絶縁層が配置され、前記絶縁層は、融点が180℃以上の材料又は融点がない材料から構成されている。
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