Electroless plated Ni-Bx films as highly active electrocatalysts for hydrogen production from water over a wide pH range

309The electroless plated Ni-B0.54 film displayed a superior activity for electrochemical H2 production with a current density of 10 mA cm−2 at very low overpotentials (η) of 45 mV in 0.5 M H2SO4, 54 mV in 1.0 M pH 7 PBS, and 135 mV in 1.0 M KOH solution, and the catalytic activity maintained over 20-h electrolysis at η = 100 mV in all tested media of different pH values.