申请人:SAMSUNG SDI CO., LTD.
公开号:US10320032B2
公开(公告)日:2019-06-11
Provided is an organic electrolyte solution that includes a lithium salt, an organic solvent, and a sulfonate ester-based compound represented by Formula 1:
R2—O—S(═O)2—R1
wherein, in Formula 1, R1 may be a C1-C20 alkyl group that is unsubstituted or substituted with halogen, a C5-C20 cycloalkyl group that is unsubstituted or substituted with halogen, a C6-C40 aryl group that is unsubstituted or substituted with halogen, or a C2-C40 heteroaryl group that is unsubstituted or substituted with halogen, and R2 may be a substituted or unsubstituted cyclic sulfone group.
提供的有机电解质溶液包括锂盐、有机溶剂和由公式1表示的磺酸酯基化合物:R2—O—S(═O)2—R1 <公式1>在公式1中,R1可以是未取代或取代卤素的C1-C20烷基,未取代或取代卤素的C5-C20环烷基,未取代或取代卤素的C6-C40芳基,或未取代或取代卤素的C2-C40杂环芳基,而R2可以是取代或未取代的环磺酰基。