发明名称 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.
申请公布号 US8895195(B2) 申请公布日期 2014.11.25
申请号 US200712447042 申请日期 2007.10.19
申请人 LG Chem, Ltd. 发明人 Cho Jeong-Ju;Lee Ho-Chun;Yoon Su-Jin;Park Soo-Min
分类号 H01M6/16;H01M6/00;H01M2/14;H01M6/04;H01M6/14;H01M10/052;H01M10/0567;H01M10/00 主分类号 H01M6/16
代理机构 Lerner, David, Littenberg, Krumholz & Mentlik, LLP 代理人 Lerner, David, Littenberg, Krumholz & Mentlik, LLP
主权项 1. An electrochemical device comprising a cathode, an anode and a non-aqueous electrolyte solution, wherein: (i) the non-aqueous electrolyte solution comprises: (A) a mixture of compounds suitable for producing a solid electrolyte interface (SEI) layer on an electrode, the compounds consisting essentially of: (1) an acrylate compound; and(2) a sulfinyl group-containing compound;(B) an organic solvent, and;(C) an electrolyte salt; and/or (ii) the cathode and/or the anode comprises a SEI layer formed partially or totally on a surface thereof, the SEI layer consisting essentially of: (D) a reduced form of the acrylate compound; and(E) a reduced form of the sulfinyl group-containing compound.
地址 KR