SOLID ELECTROLYTE, SOLID ELECTROLYTE LAYER, AND SOLID ELECTROLYTE BATTERY

WIPO Patent Application WO/2023/171825

A1

A solid electrolyte (10) according to the present invention contains LiaAbEc(SO4)dJeXfHh…(1). In formula (1), A is at least one element selected from an alkali metal and an alkaline earth metal of other than Li, E is at least one element selected from the group consisting of Al, Ga, In, Sc, Y, Ti, Zr, Hf, and lanthanoid, J is at least one group selected from the group consisting of OH, BO2, BO3, BO4, B3O6, B4O7, CO3, NO3, AlO2, SiO3, SiO4, Si2O7, Si3O9, Si4O11, Si6O18, PO3, PO4, P2O7, P3O10, SO3, SO5, S2O3, S2O4, S2O5, S2O6, S2O7, S2O8, BF4, PF6, BOB, (COO)2, N, AlCl4, CF3SO3, CH3COO, CF3COO, OOC-(CH2)2-COO, OOC-CH2-COO, OOC-CH(OH)-CH(OH)-COO, OOC-CH(OH)-CH2-COO, C6H5SO3, OOC-CH=CH-COO, OOC-CH=CH-COO, C(OH)(CH2COOH)2COO, AsO4, BiO4, CrO4, MnO4, PtF6, PtCl6, PtBr6, PtI6, SbO4, SeO4, TeO4, HCOO, and O, and X is at least one element selected from the group consisting of F, Cl, Br, and I, 0.5 ≤ a < 6, 0 ≤ b < 6, 0 < c < 2, 0.1 < d ≤ 6.0, 0 < e ≤ 6.0, 0 < f ≤ 6.1, and 0 ≤ h ≤ 0.2 are satisfied, and in an X-ray diffraction pattern with CuKα as the radiation source, a peak is confirmed at diffraction angle 2θ = 22.3°±1.0°.

KURIHARA MASATO (JP)
SUZUKI HISASHI (JP)
HORIKAWA TAISUKE (JP)
AOKI TAKUYA (JP)
YAMADA HIROYUKI (JP)

PCT/JP2023/009673

September 14, 2023

March 13, 2023

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TDK CORP (JP)

H01B1/06; H01M4/13; H01M4/62; H01M10/052; H01M10/0562

WO2021261558A1

2021-12-30

JP6947321B1

2021-10-13

OIKAWA Shu et al. (JP)

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