Tao Huang, Xiangzhen Zheng, Maoxiang Wu
Jun 30, 2016
Citations
0
Influential Citations
10
Citations
Journal
Journal of Power Sources
Abstract
Abstract Ethyl 3,3,3-trifluoropropanoate (TFPE) is an additive that extends the life of the LiMn 2 O 4 /Li cell. After 200 charge and discharge cycles at 55 °C, a LiMn 2 O 4 /Li cell increases the capacity retention by 13.2% (48.2% without additive versus 61.4% with additive) when 0.5 vol% TFPE is added to the electrolyte. Versus TFPE-free cells, the additive inhibits the formation of HF induced erosion of the LiMn 2 O 4 electrode and reduces the interfacial impedance by 61.2% (drops to 139 from 227 Ohm).