COATED CATHODE ACTIVE MATERIAL, METHOD FOR PRODUCING COATED CATHODE ACTIVE MATERIAL, AND ALL SOLID STATE BATTERY

A main object of the present disclosure is to provide a cathode active material capable of suppressing the reaction with a solid electrolyte. The present disclosure achieves the object by providing a coated cathode active material comprising: a cathode active material, and a coating portion coating at least a part of a surface of the cathode active material, and the coating portion includes a scandium lithium phosphate based compound or a lithium borate based compound.