2-(Trifluoroacetyl) thiophene as an electrolyte additive for high-voltage lithium-ion batteries using LiCoO2 cathode
Yi Suna, Jian Huanga, Hongfa Xianga,*(
), Xin Lianga, Yuezhan Fengb, Yan Yuc,*()
), Xin Lianga, Yuezhan Fengb, Yan Yuc,*()
.
Fig. 3.. (a) Initial discharge curves and (b) cyclic performances of Li/LiCoO2 coin cells with 1 mol L-1 LiPF6/EC + DEC (1/1, v/v) solutions with no additive and 0.25 wt%, 0.50 wt%, 1.0 wt%, cut-off voltage of 3.0-4.4 V, initial 3 cycles at 0.1 C for activation, then cycle at 0.5 C.
