CATHODE ACTIVE MATERIAL, BATTERY, AND METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL

The present disclosure relates to a cathode active material. The cathode active material includes a primary particle (1) and a coating (5). The primary particle (1) includes an olivine phosphate compound. The coating (5) covers at least part of a surface of the primary particle (1). The coating (5) includes carbon. A trifluoromethyl group is detected by X-ray photoelectron spectroscopy.