A non-aqueous electrolyte solution includes an electrolyte solution including an amide compound and a lithium salt, and a dinitrile compound substituted by a hetero atom at a main chain, and a lithium secondary battery includes the non-aqueous electrolyte solution. By using the non-aqueous electrolyte solution, a lithium secondary battery having an improved swelling phenomenon and an increased charging/discharging performance may be provided.
一种非
水电解质溶液包括一个电解质溶液,其中包括一个酰胺化合物和一个
锂盐,以及一个主链上被杂原子取代的二腈化合物,以及一种
锂次级电池包括该非
水电解质溶液。通过使用该非
水电解质溶液,可以提供具有改善膨胀现象和增加充放电性能的
锂次级电池。