Figure 9.

(A) Encapsulation of molten metallic Na into porous carbonized wood by a spontaneous infusion. SEM images of carbonized wood before and after melt infusion of metallic Na (yellow dotted line). Figure 9A was reprinted with permission from [67]. Copyright 2017, The American Chemical Society. (B) Schematic illustration of structural changes with Na depositing on Cu and CFP current collector during Na nucleation and growth. SEM images of Cu/CFP (upper row) and Cu (bottom row) after 30 plating/stripping cycles. The capacity and Coulombic efficiency of FeHCF with the CFP@Na anode. Figure 9B was reproduced from [69] with permission from the Chinese Chemical Society (CCS), Peking University (PKU), and the Royal Society of Chemistry. This content is not subject to CC BY 4.0.