Guangzhou Key Laboratory of Clean Transportation Energy Chemistry;
Guangdong Provincial Key Laboratory of Plant Resources Biorefinery;
School of Chemical Engineering and Light Industry;
Guangdong University of Technology;
Guangzhou 510006;
China;
Department of Chemical Engineering;
Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology;
Tsinghua University;
Beijing 100084;
China;
Ionic liquid; Piperidinium; Lithium metal anode; Solid electrolyte interface; Lithium dendrites; Dead lithium;