Patent ID: 11817580

Abstract:
A main object of the present disclosure is to provide an active material of which capacity properties are excellent. The present disclosure achieves the object by providing an active material to be used for a fluoride ion battery, the active material comprising: a composition represented by M1Nx in which M1 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M2LnyNz in which M2 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one kind of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6.