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. 2020 Jan 7;11:62. doi: 10.1038/s41467-019-13959-9

Fig. 7. Contribution of microstructure on electrochemical properties.

Fig. 7

a Specific capacitance and capacitance retention of the conventional PVA/PANI hydrogel (CPPH), isotropic PVA/PANI hydrogel (IPPH) and anisotropic polyvinyl alcohol/polyaniline hydrogel-2 (APPH-2) electrodes. b Nyquist and c Bode plots of the CPPH, IPPH and APPH-2 electrodes, respectively. d) Linear fitting showing relationship between Z′ and ω1/2 of the CPPH, IPPH and APPH-2 electrodes. e Schematic illustration of the contribution of the microstructure on the ion and electron tranport properties of the CPPH, IPPH and APPH-2 electrodes.