NONAQUEOUS ELECTROLYTIC SOLUTION, AND BATTERY USING SAME
The invention relates to a nonaqueous electrolytic solution comprising an electrolyte and a nonaqueous solvent, the nonaqueous electrolytic solution comprising a specific compound.
1 . A nonaqueous electrolytic solution that comprises an electrolyte and a nonaqueous solvent, the nonaqueous electrolytic solution comprising a compound represented by the following general formula (1),
wherein R 1 and R 2 represents a hydrogen group, or an organic group of 1 to 10 carbon atoms which may contain heteroatom(s), R 3 represents a hydrogen group, or an organic group of 1 to 20 carbon atoms which may contain heteroatom(s), R 1 to R 3 may be the same or different, and two of or all three of R 1 to R 3 may bind to each other to form ring(s),
in which at least one of R 1 and R 2 represents an organic group of 2 to 10 carbon atoms which has a carbon-carbon unsaturated bond not directly bonded to the nitrogen atom, and may contain heteroatom(s), and
X represents C, S═O or P(R 4 ), and R 4 represents an organic group of 1 to 10 carbon atoms which may contain heteroatom(s).
2 . The nonaqueous electrolytic solution according to claim 1 , wherein at least one of R 1 and R 2 in the general formula (1) is an organic group of 2 to 10 carbon atoms which has a carbon-carbon unsaturated bond at a terminal, and may contain heteroatom(s).
3 . The nonaqueous electrolytic solution according to claim 2 , wherein at least one of R 1 and R 2 in the general formula (1) is an allyl group or a propargyl group.
4 . The nonaqueous electrolytic solution according to claim 1 , wherein the nonaqueous electrolytic solution comprises the compound represented by the general formula (1) in an amount of 0.001 mass % or more and 10 mass % or less.
5 . The nonaqueous electrolytic solution according to claim 1 , wherein the nonaqueous electrolytic solution comprises at least one compound selected from the group consisting of a cyclic carbonate having a carbon-carbon unsaturated bond, a cyclic carbonate having a halogen atom, monofluorophosphate, difluorophosphate, a nitrile compound, and an isocyanate compound.
6 . A nonaqueous electrolytic solution battery comprising: a negative electrode and a positive electrode capable of storing and releasing lithium ions; and a nonaqueous electrolytic solution,
wherein the nonaqueous electrolytic solution is the nonaqueous electrolytic solution of claim 1 .