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Low-temperature performance of a LiFePO 4 electrode is successfully and easily improved by adding butyl sultone (BS) in 1molL −1 LiPF 6 -ethylene carbonate (EC)/propylene carbonate (PC)/ethyl methyl carbonate (EMC) (1:1:3vol.%) electrolyte. Through BS addition, discharge capacity and rate performance at low temperature are obviously enhanced. The surface morphology and chemical...
Fluoroethylene carbonate (FEC) was studied as electrolyte additive to improve the low-temperature performance of LiFePO 4 electrode in lithium ion battery (LIB). The effects of the FEC on the LiFePO 4 electrode were investigated by electrochemical impedance spectroscopy (EIS), galvanostatic charge/discharge tests, scanning electron microscope (SEM) and X-ray photoelectron spectroscopy...
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