COMPOSITE SECONDARY PARTICLES FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide composite secondary particles that further enhance capacitance of a nonaqueous electrolyte secondary battery and further improve cycle characteristics.SOLUTION: The composite secondary particles include a plurality of nano-primary particles and a carbonaceous material. At least part of nano-primary particles of the plurality of nano-primary particles are bonded to each other through the carbonaceous material.SELECTED DRAWING: Figure 1