Electrode material for nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary, battery, nonaqueous electrolyte secondary battery, and battery pack

摘要

An electrode material for nonaqueous electrolyte secondary battery of an embodiment includes a silicon nanoparticle, and a coating layer coating the silicon nanoparticle. The coating layer includes an amorphous silicon oxide and a silicon carbide phase. At least a part of the silicon carbide phase exists on a surface of the silicon nanoparticle.