METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
A method for producing a sulfide solid electrolyte, comprising a firing step of firing a raw material containing Li2S in a hydrogen sulfide-containing atmosphere at a temperature of 300°C or higher, Li2S having a purity of 50 to 90% by mass at the start of firing. Li2S may contain impurities includi...
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| creator | HYAKUTAKE, Masaru ITO, Takahiro MIYASHITA, Norihiko |
| description | A method for producing a sulfide solid electrolyte, comprising a firing step of firing a raw material containing Li2S in a hydrogen sulfide-containing atmosphere at a temperature of 300°C or higher, Li2S having a purity of 50 to 90% by mass at the start of firing. Li2S may contain impurities including at least one of LiOH, Li2O, LiHCO3, and Li2CO3. In the firing step, it is preferable that a concentration of a hydrogen sulfide in the hydrogen sulfide-containing atmosphere is 50 volume% or more. It is preferable that the raw material further contains P2S5 and LiX (X represents at least one type of elemental halogen), and the sulfide solid electrolyte has an argyrodite-type crystal structure. |
| format | Patent |
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Li2S may contain impurities including at least one of LiOH, Li2O, LiHCO3, and Li2CO3. In the firing step, it is preferable that a concentration of a hydrogen sulfide in the hydrogen sulfide-containing atmosphere is 50 volume% or more. 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Li2S may contain impurities including at least one of LiOH, Li2O, LiHCO3, and Li2CO3. In the firing step, it is preferable that a concentration of a hydrogen sulfide in the hydrogen sulfide-containing atmosphere is 50 volume% or more. 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Li2S may contain impurities including at least one of LiOH, Li2O, LiHCO3, and Li2CO3. In the firing step, it is preferable that a concentration of a hydrogen sulfide in the hydrogen sulfide-containing atmosphere is 50 volume% or more. It is preferable that the raw material further contains P2S5 and LiX (X represents at least one type of elemental halogen), and the sulfide solid electrolyte has an argyrodite-type crystal structure.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOUNDS THEREOF CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES |
| title | METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE |
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