Abstract
Polymer gel electrolyte with addition of fumed silica was prepared by the UV polymerization of methyl methacrylate, oligomer of ethyl glycol dimethacrylate and liquid electrolyte. The effect of fumed silica on the cycle efficiency of lithium deposition/striping at stainless steel (SS) electrode was researched by cyclic voltammetry (CV), FTIR and electrochemical AC impedance. The addition of fumed silica in the polymer gel electrolyte can enhance the retention ability of liquid electrolyte and it can trap impurities in the polymer gel electrolyte. The silica is interactive with carbonyl group (C=O) of the solvent and polymer matrix. All of them are beneficial to the cyclic efficiency of lithium deposition/striping at SS electrolyte, which is confirmed in the CV.
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Fu, Y., Ma, X., Liu, Y. et al. The effect of fumed silica in the polymer gel electrolyte on the cycle efficiency of lithium deposition/striping process. J Mater Sci: Mater Electron 18, 997–1001 (2007). https://doi.org/10.1007/s10854-006-9091-6
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DOI: https://doi.org/10.1007/s10854-006-9091-6