Disclosed is an additive for a nonaqueous electrolyte solution, including a compound represented by the following formula (1):
in formula (1), X represents a sulfonyl group or a carbonyl group, R
1
represents an alkyl group having 1 to 4 carbon atoms, which may be substituted with a halogen atom, a hydroxyl group, or the like, and R
2
represents a hydrocarbon group having 1 to 3 carbon atoms, which may be substituted with a halogen atom.
本发明涉及一种非
水电解质溶液的添加剂,包括以下式(1)所表示的化合物:
在式(1)中,X代表磺酰基或羰基,R1代表1至4个碳原子的烷基,可以被卤素原子、羟基或类似物取代,而R2代表1至3个碳原子的碳氢基团,可以被卤素原子取代。