| 摘要 |
A nonaqueous electrolyte solution for a secondary battery, including an electrolyte, a solvent and an additive, and a nonaqueous electrolyte secondary battery including the nonaqueous electrolyte solution. The additive contains a compound represented by the following formula (I):;;wherein n represents an integer of 1 to 4, in the case of n=1, R1 represents a halogen atom or the like, in the case of n=2, R1 represents an alkaline earth metal atom or the like, in the case of n=3, R1 represents a trivalent transition metal atom or the like, in the case of n=4, R1 represents a tetravalent transition metal atom or the like, and R2 represents an alkylene group of 1 to 6 carbon atoms or an alkenylene group of 2 to 6 carbon atoms. |
| 主权项 |
1. A nonaqueous electrolyte solution for a secondary battery, comprising an electrolyte, a solvent and an additive, wherein the additive contains a compound represented by the following formula (I): wherein n represents an integer of 1 to 4,
in the case of n=1, R1 represents a halogen atom, a hydrogen atom, an alkali metal atom, a monovalent transition metal atom, an alkyl group of 1 to 6 carbon atoms, an alkenyl group of 2 to 6 carbon atoms, an alkynyl group of 2 to 6 carbon atoms, a cycloalkyl group of 3 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, the alkyl group of 1 to 6 carbon atoms may be one substituted by a halogen atom, an alkyl group or an alkenyl group, and the alkenyl group of 2 to 6 carbon atoms, the alkynyl group of 2 to 6 carbon atoms, the cycloalkyl group of 3 to 12 carbon atoms and the aryl group of 6 to 12 carbon atoms may be those substituted by a halogen atom or an alkyl group,in the case of n=2, R1 represents an alkaline earth metal atom, a divalent transition metal atom, a divalent typical metal atom, an alkylene group of 1 to 6 carbon atoms, an alkenylene group of 2 to 6 carbon atoms, a cycloalkyl ring having 3 to 12 carbon atoms and 2 connectors or an aryl ring having 6 to 12 carbon atoms and 2 connectors, the alkylene group of 1 to 6 carbon atoms may be one substituted by a halogen atom, an alkyl group or an alkenyl group, and the alkenylene group of 2 to 6 carbon atoms, the cycloalkyl ring having 3 to 12 carbon atoms and 2 connectors and the aryl ring having 6 to 12 carbon atoms and 2 connectors may be those substituted by a halogen atom or an alkyl group,in the case of n=3, R1 represents a trivalent transition metal atom and a trivalent typical metal atom,in the case of n=4, R1 represents a tetravalent transition metal atom and a tetravalent typical metal atom,R2 represents an alkylene group of 1 to 6 carbon atoms or an alkenylene group of 2 to 6 carbon atoms, the alkylene group of 1 to 6 carbon atoms may be one substituted by a halogen atom, an alkyl group or an alkenyl group, and the alkenylene group of 2 to 6 carbon atoms may be one substituted by a halogen atom or an alkyl group. |
