| abstract |
A nonaqueous electrolyte solution for batteries, which contains a compound represented by formula (1). (In the formula, A represents P or P=O; R represents H, a halogen atom, an alkyl group, an aryl group, an alkoxy group or an aryloxy group; X represents H, an alkyl group, an aryl group, an alkali metal atom or a group represented by formula (2); Y represents H, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group or a group represented by formula (3); Z represents H, an alkyl group, an aryl group or OZ 1 ; Z 1 represents H, an alkyl group, an aryl group, an alkali metal atom, a group represented by formula (2) or a group represented by formula (4); M represents an alkali metal atom; n represents a number of 1 or more; m represents a number of 1 or more; l represents a number of 1 or more; the total of n, m and l in each molecule is 1-200; and * represents a bonding position.) |