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While porous carbon is widely used as a metallic lithium host framework, the weak wettability of the carbon hinders its usage. For this purpose, herein, we functionalized the porous carbon with oxidized nitrogen groups by utilizing nitric acid. We found that the functionalized porous carbon demonstrated an enhanced wettability compared to its non-functionalized counterpart. Moreover, by functionalizing the carbon surface with oxidized nitrogen during lithium plating and stripping, catalyzed lithium nitride (Li3N) formed in the solid electrolyte interphase which effectively enhanced the surface...

Lithium (Li) metal is an ideal anode for high energy-density batteries. During Li plating and stripping, however, dendritic Li growth keeps generating an abundance of irreversible or inactive Li, resulting in severe performance degradation, short-circuiting, and eventually cell failure. Even if various porous frameworks have received considerable attention to directly store Li metals, achievable reversible and rate capabilities of porous hosts were still hindered by their morphological limitations. Still, open pathways are highly required for homogeneous metallization. For this purpose, herein...