SOLID ELECTROLYTE HAVING MAGNESIUM ION CONDUCTIVITY, AND MAGNESIUM SECONDARY BATTERY CONTAINING THE SAME

摘要

A solid electrolyte comprises a compound represented by a formula Mg_xAl_2-yM_yO_z, where M is at least one selected from the group consisting of Si, Ge, Sn, Pb, Ti, and Zr; 0x1; 0.125≤y≤0.5; and 3.8≤z≤4.1.