NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

摘要

Disclosed is a negative electrode (100) for nonaqueous electrolyte secondary batteries, which comprises a collector (1) and a plurality of active material bodies (2) formed on a surface of the collector (1) with a space between them. Each active material body (2) contains a material which absorbs and desorbs lithium, and a plurality of projections (3) are formed on a part of the lateral surface of each active material body (2).