Fig. 3From: 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 pattern of samples: α-Fe2O3. b SEM image of α-Fe2O3. c TEM images of α-Fe2O3. d TEM images at high resolutionBack to article page