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1. WO2022009935 - SULFIDE-BASED SOLID ELECTROLYTE USED IN LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM ION SECONDARY BATTERY

Publication Number WO/2022/009935
Publication Date 13.01.2022
International Application No. PCT/JP2021/025677
International Filing Date 07.07.2021
IPC
C01B 25/14 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
25Phosphorus; Compounds thereof
14Sulfur, selenium, or tellurium compounds of phosphorus
C01D 15/04 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
15Lithium compounds
04Halides
H01M 4/131 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/62 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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
CPC
C01B 25/14
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
25Phosphorus; Compounds thereof
14Sulfur, selenium, or tellurium compounds of phosphorus
C01D 15/04
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
15Lithium compounds
04Halides
H01B 1/06
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
06mainly consisting of other non-metallic substances
H01B 1/10
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
06mainly consisting of other non-metallic substances
10sulfides
H01B 13/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
13Apparatus or processes specially adapted for manufacturing conductors or cables
H01M 10/052
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
Applicants
  • AGC株式会社 AGC INC. [JP]/[JP]
Inventors
  • 藤井 直樹 FUJII Naoki
  • 菖蒲谷 哲志 SHOBUDANI Tetsushi
  • 西沢 学 NISHIZAWA Manabu
  • 田中 宏明 TANAKA Hiroaki
  • 赤塚 公章 AKATSUKA Kosho
Agents
  • 特許業務法人栄光特許事務所 EIKOH PATENT FIRM, P.C.
Priority Data
2020-11719407.07.2020JP
2020-17269313.10.2020JP
2021-08640621.05.2021JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) SULFIDE-BASED SOLID ELECTROLYTE USED IN LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM ION SECONDARY BATTERY
(FR) ÉLECTROLYTE SOLIDE À BASE DE SULFURE UTILISÉ DANS UNE BATTERIE SECONDAIRE AU LITHIUM ION, SA MÉTHODE DE PRODUCTION ET BATTERIE SECONDAIRE AU LITHIUM ION
(JA) リチウムイオン二次電池に用いられる硫化物系固体電解質、及びその製造方法並びにリチウムイオン二次電池
Abstract
(EN) The present invention relates to a sulfide-based solid electrolyte used in a lithium ion secondary battery, containing a crystal phase and anions present in a crystal structure of the crystal phase, wherein: the crystal phase contains argyrodite-type crystals containing Li, P, S, and Ha; the Ha indicates at least one type of element selected from the group consisting of F, Cl, Br, and I; the anions include oxide anions in a Q0 structure having M-O bonds in which M and O are bonded to each other; and the M indicates at least one type of element selected from the group consisting of metal elements and metalloid elements of Groups 2-14 in the periodic table.
(FR) La présente invention concerne un électrolyte solide à base de sulfure utilisé dans une batterie secondaire au lithium ion, contenant une phase cristalline et des anions présents dans une structure cristalline de la phase cristalline, la phase cristalline contenant des cristaux de type argyrodite contenant Li, P, S et Ha ; le Ha indique au moins un type d'élément choisi dans le groupe constitué par F, Cl, Br et I ; les anions comprennent des anions d'oxyde dans une structure Q0 ayant des liaisons M-O dans lesquelles M et O sont liés l'un à l'autre ; et le M indique au moins un type d'élément choisi dans le groupe constitué par les éléments métalliques et les éléments métalloïdes des Groupes 2-14 dans le tableau périodique.
(JA) 本発明は、リチウムイオン二次電池に用いられる硫化物系固体電解質であって、結晶相と、前記結晶相の結晶構造中に存在するアニオンと、を含み、前記結晶相はLi、P、S及びHaを含むアルジロダイト型の結晶を含み、前記HaはF、Cl、Br、及びIからなる群より選ばれる少なくとも1種の元素であり、前記アニオンは、MとOとが結合したM-O結合を有するQ0構造の酸化物アニオンを含み、前記Mは周期表の第2~14族の金属元素及び半金属元素からなる群より選ばれる少なくとも1種の元素である、硫化物系固体電解質に関する。
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