| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solvent for a nonaqueous electrolyte having a high oxidation resistance and moreover excellent in coordination capability to lithium atoms. <P>SOLUTION: The solvent for a nonaqueous electrolyte of a lithium secondary battery contains diether as shown in a formula (1): R<SP>1</SP>-CH<SB>2</SB>-O-(CH<SB>2</SB>)<SB>2</SB>-O-CH<SB>2</SB>-R<SP>2</SP>(in the formula, R<SP>1</SP>is an alkyl group which may contain H or a fluorine atom with a carbon number 1-6, R<SP>2</SP>is an alkyl group of a carbon number 1-6) and fluorine-containing monoether as shown in a formula (2): Rf<SP>2</SP>-O-R<SP>3</SP>(in the formula, Rf<SP>2</SP>is a fluorine-containing alkyl group with a carbon number 1-8, R<SP>3</SP>is an alkyl group which may contain a fluorine atom of a carbon number 1-6). <P>COPYRIGHT: (C)2011,JPO&INPIT |
