NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM SECONDARY BATTERY

摘要

A non-aqueous electrolytic solution favorably employable for a lithium secondary battery employs a nonaqueous solvent composed of a cyclic carbonate, a linear carbonate and vinylene carbonate, and shows a reduction potential of less than 1 volt, with reference to lithium, or contains chlorine atom-containing organic compounds in an amount of 10 ppm or less, in terms of chlorine atom content.