Abstract
A new technique was introduced to assist the Tafel extrapolation method (TEM). The hydrogen evolution reaction (her) on nickel electrode in H2SO4 solution was investigated in comparison with the TEM and proposed technique. The exchange current density (j0) for her was assessed from points of simple and more accurate handling. The proposed technique has advantages: (1) proper reading of the Tafel slope region and (2) easy removing of undesirable physical factors such as oxide film and solution resistances.
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