Fig. 7
From: Two-dimensional materials for high density, safe and robust metal anodes batteries
Carbon coating on separator to homogenize electric field and ion flux for dendrite-free metal anodes. a Theoretical simulation of electric field distribution in pristine (upper) and modified (lower) separators. Reprinted with permission from [139]. Copyright 2011, Springer Nature. b Schematic illustration of separator with NSG coating for suppressing the lithium dendrite growth. c SEM image of lithium electrode with NSG separator after 200 cycles, showing smooth lithium deposit. Reprinted with permission from [142]. Copyright 2015, American Chemical Society. d Cycling performance of the Li/LiNi0.8Co0.15Al0.05O2 cell at 0.5C rate. Reprinted with permission from [143]. Copyright 2020, Wiley–VCH