CPC H01M 10/0562 (2013.01) [H01M 4/133 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2300/008 (2013.01)] | 14 Claims |
1. A solid-electrolyte material comprising:
a crystal phase constituted by Li, M, X, and O,
wherein M is at least one element selected from the group consisting of Mg, Ca, and Sr,
wherein X is at least two elements selected from the group consisting of F, Cl, Br, and I, and
wherein the crystal phase has a peak at a diffraction angle 2θ of greater than or equal to 25° and less than or equal to 29°, a diffraction angle 2θ of greater than 29° and less than or equal to 33°, and a diffraction angle 2θ of greater than or equal to 41° and less than or equal to 47° in an X-ray diffraction pattern obtained by an X-ray diffraction measurement using Cu-Kα radiation.
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