HYDRIDE ION CONDUCTOR AND METHOD FOR PRODUCING THE SAME AND ALL-SOLID-STATE BATTERY

Japanese Patent JP2023128076

A

To provide a hydride ion conductor that has high conduction properties at room temperature and a method for producing the same, and an all-solid-state battery that includes the hydride ion conductor and can operate at room temperature.SOLUTION: A hydride ion conductor has a composition represented by the general formula M1xM2yM3zHαOβ (where M1 represents a trivalent rare earth element, M2 represents at least one Group 2 element selected from the group consisting of Mg, Ca, Sr and Ba, and M3 represents at least one Group 1 element selected from alkali metals, with 0.4≤x<1, 0≤y≤0.6, 0≤z≤0.5, 0.7