Provided are (1) a novel phenyl sulfonate compound, (2) a nonaqueous electrolytic solution comprising an electrolyte salt dissolved in a nonaqueous solvent and containing a phenyl sulfonate compound of the following general formula (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and (3) a lithium battery containing the nonaqueous electrolytic solution and excellent in low-temperature cycle property.
(wherein X
1
to X
5
each independently represents a fluorine atom or a hydrogen atom, and from one to four of these are fluorine atoms; R
2
represents a linear or branched alkyl group having from 1 to 6 carbon atoms, a linear or branched alkyl group having from 1 to 6 carbon atoms in which at least one hydrogen atom is substituted with a halogen atom, or an aryl group having from 6 to 9 carbon atoms).
提供了以下内容:(1)一种新的
苯磺酸酯化合物,(2)一种非
水电解质溶液,包括在非
水溶剂中溶解的电解质盐,并且含有以下通式(II)的
苯磺酸酯化合物,其在非
水电解质溶液中的质量分数为0.01%至10%,(3)一种含有非
水电解质溶液的
锂电池,其低温循环性能优异。(其中,X1至X5各自独立地表示
氟原子或氢原子,其中从一个到四个是
氟原子;R2表示具有1到6个碳原子的线性或支链烷基,具有1到6个碳原子的线性或支链烷基,其中至少有一个氢原子被卤素原子取代,或具有6到9个碳原子的芳基基团)。