Fig. 3From: Hierarchical Heterostructures of NiCo2O4@XMoO4 (X = Ni, Co) as an Electrode Material for High-Performance Supercapacitors a, b Low- and high-magnification SEM images of the hierarchical heterostructures of the NiCo2O4@NiMoO4 composite nanosheet arrays on the Ni foam. c TEM image and (d) EDX spectrum of the NiCo2O4@NiMoO4 composite nanosheet arraysBack to article page