LITHIUM SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte which can be advantageously used for manufacturing a lithium secondary battery having excellent cycle characteristics.

SOLUTION: In the nonaqueous electrolyte for the lithium secondary battery wherein an electrolyte salt is dissolved in a nonaqueous solvent, 0.01-10 wt.% of a vinylene carbonate compound and 0.01-10 wt.% of an alkyne compound are added to the nonaqueous electrolyte.

COPYRIGHT: (C)2010,JPO&INPIT