Cathode active material and fluoride ion battery

Abstract

A main object of the present disclosure is to provide a cathode active material with excellent capacity properties. In order to achieve the object, the present disclosure provides a cathode active material to be used in a fluoride ion battery wherein the cathode active material mainly contains a metal element M and a metal element M′; the metal element M is at least one kind of Cu, Fe and Mn; and the metal element M′ is at least one kind of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Yb.

Dependencies are inferred from the claim text.