Non-aqueous electrolyte and electrochemical device comprising the same

摘要

Disclosed is a non-aqueous electrolyte comprising: a first acrylate compound having one or two acryl groups; a second acrylate compound having three or more acryl groups; an electrolyte salt; and an organic solvent. 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 a first acrylate compound having one or two acryl groups; and (ii) a reduced form of a second acrylate compound having three or more acryl groups. Further, disclosed in an electrochemical device comprising a cathode, an anode, a separator and a non-aqueous electrolyte, wherein (i) the non-aqueous electrolyte is the above non-aqueous electrolyte; and/or (ii) the cathode and/or the anode is the above electrode.

主权项

1. A non-aqueous electrolyte solution comprising: a first acrylate compound having one or two acryl groups; a second acrylate compound having three or more acryl groups; an electrolyte salt; and an organic solvent,
wherein each of the first acrylate compound and the second acrylate compound is present in an amount of 0.01-10 wt % in the non-aqueous electrolyte solution, and wherein the first acrylate compound and the second acrylate compound are present in a weight ratio of 1:10-10:1.