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Ni-S(La) alloy was obtained by electrodeposition from a modified Watts bath with an addition of thiourea (TU) and LaCl 3 into the bath. The structure and morphology were determined by XRD and SEM methods, respectively. The electrochemical parameters, including the hydrogen evolution reaction (HER) overvoltages η, the Tafel slope b, the exchange current density i 0 , and the activation...
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