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SULFIDE SOLID ELECTROLYTE
To provide a sulfide solid electrolyte material which does not include Ge and which has excellent electrochemical stability and high lithium ion conductivity. A sulfide solid electrolyte, including a sulfide-based solid electrolyte represented by the composition formula: Li 4-4z-x [Sn y Si 1-y ] 1+z-x P x S 4 (where 0.5 ¤ x ¤ 0.6, y = 0.2, and 0 ¥ z ¥ -0.2), wherein the sulfide solid electrolyte has a peak at position 2¸ = 29.58° ± 0.50° in X-ray diffraction measurement using CuK± radiation and does not have a peak at position 2¸ = 27.33° ± 0.50° in X-ray diffraction measurement using CuK± radiation, or when the sulfide solid electrolyte has a peak at the position 2¸ = 27.33° ± 0.50°, the value of I B /I A is less than 0.50 (where I A is the diffraction intensity of the 2¸ = 29.58° ± 0.50° peak and I B is the diffraction intensity of the 2¸ = 27.33° ± 0.50° peak).
SULFIDE SOLID ELECTROLYTE
To provide a sulfide solid electrolyte material which does not include Ge and which has excellent electrochemical stability and high lithium ion conductivity. A sulfide solid electrolyte, including a sulfide-based solid electrolyte represented by the composition formula: Li 4-4z-x [Sn y Si 1-y ] 1+z-x P x S 4 (where 0.5 ¤ x ¤ 0.6, y = 0.2, and 0 ¥ z ¥ -0.2), wherein the sulfide solid electrolyte has a peak at position 2¸ = 29.58° ± 0.50° in X-ray diffraction measurement using CuK± radiation and does not have a peak at position 2¸ = 27.33° ± 0.50° in X-ray diffraction measurement using CuK± radiation, or when the sulfide solid electrolyte has a peak at the position 2¸ = 27.33° ± 0.50°, the value of I B /I A is less than 0.50 (where I A is the diffraction intensity of the 2¸ = 29.58° ± 0.50° peak and I B is the diffraction intensity of the 2¸ = 27.33° ± 0.50° peak).
SULFIDE SOLID ELECTROLYTE
FESTSTOFF-SULFID-ELEKTROLYT
ÉLECTROLYTE SOLIDE AU SULFURE
KANNO RYOJI (Autor:in) / HIRAYAMA MASAAKI (Autor:in) / SUZUKI KOTA (Autor:in) / SUN YULONG (Autor:in)
28.04.2021
Patent
Elektronische Ressource
Englisch
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
/
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