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. 2016 Aug 11;6:31202. doi: 10.1038/srep31202

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Copyright © 2016, The Author(s)

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(A) LSVs for the comparison of oxygen evolution activities of different catalysts in 0.1 M KOH, scan rate 10 mV/s (inset magnifies the area marked by dotted circle). (B) LSVs of Ni₁Co₂ at various scan rate ranging from 10 mv/s to 50 mV/s, inset shows the plot of peak current vs scan rate showing the linearity. (C) Tafel plot derived from (A) for various catalysts, and (D) potential needed to achieve the current density 10 mAcm⁻² (over potentials of various electrodes).