Patent ID: 7736807
Filing Date: 2010-06-15
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolytic solution secondary battery comprising: a positive electrode containing a positive electrode active material, the positive electrode active material consisting essentially of a compound represented by a following general formula: wherein M is at least one member selected from the group consisting of Co, Ni, Cu, Zn, Al, Sn, B, Ga, Cr, V, Ti, Mg, Ca and Sr; 0.9<x<1.2; and 0<y<0.3; a negative electrode containing a lithium metal, a lithium alloy or a material capable of doping and dedoping lithium; and a non-aqueous electrolytic solution, the non-aqueous electrolytic solution containing a fluorinated ethylene carbonate FEC, wherein the content of the FEC in the non-aqueous electrolytic solution ranges from 0.5% to 10% by mass in relation to the non-aqueous electrolytic solution, wherein the non-aqueous electrolytic solution further contains LiPF