Non-aqueous electrolyte and electrochemical device comprising the same

摘要

Disclosed is a non-aqueous electrolyte comprising: an acrylate compound; a sulfinyl group-containing compound; an organic solvent; and an electrolyte salt. Also, disclosed is an electrode comprising a coating layer formed partially or totally on a surface thereof, the coating layer comprising: (i) a reduced form of an acrylate compound; and (ii) a reduced form of a sulfinyl group-containing compound. Further, disclosed is an electrochemical device comprising a cathode, an anode and a non-aqueous electrolyte, wherein (i) the non-aqueous electrolyte is the aforementioned non-aqueous electrolyte; and/or (ii) the cathode and/or the anode is the aforementioned electrode.

主权项

1. A non-aqueous electrolyte solution consisting of: an acrylate compound, a sulfite compound, an organic solvent, and an electrolyte salt; wherein the acrylate compound is used in an amount of 0.05 to 10 wt % in the non-aqueous electrolyte.