Ionic liquid electrolyte of lithium bis(fluorosulfonyl)imide/N-methyl-N-propylpiperidinium bis(fluorosulfonyl)imide for Li/natural graphite cells: Effect of concentration of lithium salt on the physicochemical and electrochemical propertiesChengyong Liu, Zhibin Zhou, Xuejie Huang et al.|Electrochimica Acta|2014Cited by 105