| 摘要 |
PROBLEM TO BE SOLVED: To enhance the property of an electrolytic solution permeating into an electrode.SOLUTION: An additive agent (B) for batteries comprises a compound (A) expressed by the following general formula (1): [Formula 1] [In the formula (1), Rrepresents an aliphatic hydrocarbon group with 6-40 carbon atoms, having a branch chain, Rrepresents an alkylene group with 2-4 carbon atoms, "j" is an integer of 2-40, "X" is one atom or group selected from a (m+n)-valent organic group, a silicon atom, a phosphorus atom, an alkali metal atom and P=O group, "Y" represents one atom or group selected from an aliphatic hydrocarbon group with 1-20 carbon atoms, an alkoxy group with 1-20 carbon atoms and a hydrogen atom; if "X" is an organic group, "m" is an integer of 1-4, "n" is an integer of 0-3, and "m+n" is an integer of 1-4; if "X" is a silicon atom, "m" is an integer of 1-4, "n" is an integer of 0-3, "m+n" is 4; if "X" is a phosphorus atom or a P=O group, "m" is an integer of 1-3, "n" is an integer of 0-2, and "m+n" is 3.] |
