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  • Observation of electrodepos...
    Sano, H.; Sakaebe, H.; Matsumoto, H.

    Journal of power sources, 08/2011, Volume: 196, Issue: 16
    Journal Article, Conference Proceeding

    Room temperature ionic liquids (RTILs) were applied to a lithium (Li) metal battery system, and the behavior of Li electrodeposition on nickel electrodes in RTILs was investigated using in situ optical microscopy with/without an organic additive, vinylene carbonate (VC), in the RTILs. Two RTILs, PP13TFSA ( N-methyl- N-propylpiperidinium bis(trifluoromethanesulfonyl)amide) and EMIFSA (1-ethyl-3-methylimidazolium bis(fluorosulfonyl)amide), were chosen as the base electrolytes. Dendritic particles were obtained in the case of EMIFSA with and without VC, and PP13TFSA without VC, while non-dendritic fine particles were obtained in the case of PP13TFSA with VC.