Fig. 2From: All-Solid-State Flexible Asymmetric Supercapacitor with Good Cycling Performance and Ultra-Power Density by Electrode Materials of Core-Shell CoNiO2@NiAl-Layered Double Hydroxide and Hollow Spherical α-Fe2O3a XRD patterns of samples: CoNiO2, NiAl-LDH, CoNiO2@NiAl-LDH. b, c SEM image of CoNiO2, CoNiO2@NiAl-LDH. d TEM images of CoNiO2@NiAl-LDH. e TEM images at high magnifications. f The EDX spectrum of the CoNiO2@NiAl-LDHBack to article page