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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: 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-Fe2O3

Fig. 4

a Cyclic voltammograms of CoNiO2@NiAl-LDH composites. b Galvanostatic charge-discharge curves of CoNiO2@NiAl-LDH electrode at different current densities (1, 2, 4, 8 A g−1). c Cyclic voltammograms of the hollow sphere α-Fe2O3. d Galvanostatic discharge-charge curves of the hollow sphere α-Fe2O3 electrode at different current densities (1, 2, 4, 8, 16 A g−1)

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