ACTIVE MATERIAL FOR BATTERY, NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK, AND VEHICLE

摘要

According to one embodiment, there is provided an active material for a battery. The active material includes secondary particle which contains primary particles of a monoclinicβ-type titanium composite oxide having an average primary particle diameter of 1 nm to 10μm. The secondary particle has an average secondary particle diameter of 1μm to 100μm. The secondary particle has compression fracture strength of 20 MPa or more.