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 |