Fig. 1
From: Single atom tungsten doped ultrathin α-Ni(OH)2 for enhanced electrocatalytic water oxidation

Electrochemical analysis of Ni(OH)2 for OER processes. a Cyclic voltammetry (CV) for Ni(OH)2 at the potential range of 0.6–1.8 V; b Nyquist plots of Ni(OH)2 under the three potentials of 1.2, 1.45, and 1.6 V. c Equivalent electric circuit for the EIS plots fitting. d The change rate of the fitted resistance values in Supplementary Table 1. The corresponding increasing and decreasing rates are for RΩ and Rct, respectively. The CV and EIS were measured in a 1 M KOH solution. Note that the proposed reaction pathways in (a) are not chemically conserved