Research Article

Enhancement of the Electrochemical Performance of LiNi1/3Co1/3Mn1/3O2 Cathode Material by Double-Layer Coating with Graphene Oxide and SnO2 for Lithium-Ion Batteries

Figure 3

HRTEM micrographs of NCM (a) and GO-SnO2-NCM powders (b).
(a)
(b)