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Sulfide solid electrolyte
Provided is a sulfide solid electrolyte material which has a composition that does not contain Ge, while having a smaller Li content than conventional sulfide solid electrolyte materials, and which has both lithium ion conductivity and chemical stability at the same time. A sulfide solid electrolyte which has a crystal structure represented by composition formula (Li3.45+β−4αSnα)(Si0.36Sn0.09)(P0.55−βSiβ)S4 (wherein α≤0.67, β≤0.33 and 0.43<α+β (provided that 0.23<α≤0.4 when β=0.2 and 0.13<α≤0.4 when β=0.3 may be excluded)), or a crystal structure represented by composition formula Li7+γSiγP1−γS6 (wherein 0.1≤γ<0.3).
Sulfide solid electrolyte
Provided is a sulfide solid electrolyte material which has a composition that does not contain Ge, while having a smaller Li content than conventional sulfide solid electrolyte materials, and which has both lithium ion conductivity and chemical stability at the same time. A sulfide solid electrolyte which has a crystal structure represented by composition formula (Li3.45+β−4αSnα)(Si0.36Sn0.09)(P0.55−βSiβ)S4 (wherein α≤0.67, β≤0.33 and 0.43<α+β (provided that 0.23<α≤0.4 when β=0.2 and 0.13<α≤0.4 when β=0.3 may be excluded)), or a crystal structure represented by composition formula Li7+γSiγP1−γS6 (wherein 0.1≤γ<0.3).
Sulfide solid electrolyte
KANNO RYOJI (author) / HIRAYAMA MASAAKI (author) / SUZUKI KOTA (author) / SUN YULONG (author) / HORI SATOSHI (author)
2021-10-19
Patent
Electronic Resource
English
IPC:
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C01D
Verbindungen der Alkalimetalle, d.h. des Lithiums, Natriums, Kaliums, Rubidiums, Cäsiums oder Franciums
,
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
C04B
Kalk
,
LIME
/
H01B
CABLES
,
Kabel