Gas treatment protection of metallic lithium anode
Li Wen-jun1, 2, Li Quan1, 2, Huang Jie1, 2, Peng Jia-yue1, 2, Chu Geng1, 2, Lu Ya-xiang1, Zheng Jie-yun1, Li Hong1, †
       

(color online) Morphology evolution before (a), (c), (e), (g), and after (b), (d), (f), (h) cycle of Li/S cell with lithium tablets treated by argon [(a) and (b)], CO2–O2 (2:1) [(c) and (d)], N2 [(e) and (f)], and CO2–O2–N2 (2:1:3) [(g) and (h)] gases respectively.