Bimetallic NiPd Nanoparticle-Incorporated OrderedMesoporous Carbon as Highly Efficient Electrocatalysts for HydrogenProduction via Overall Urea Electrolysis

Efficient catalysts for energy conversation from wastewater and energy storage are still existing. The effective hydrogen energy production through lower energy consumption is considered as a promising approach to access the world’s clean energy demand. Herein, an extraordinary bifunctional electrocatalytic activity on hydrogen energy production via urea electro-oxidation reaction in the alkaline electrolyte is evaluated by the highly dispersed tiny nickel–palladium bimetallic nanoparticle-incorporated ordered mesoporous carbon (Ni(10%)Pd(10%)/OMC). The systematic electrocatalytic studies on the Ni(10%)Pd(10%)/OMC bifunctional electrocatalyst shows a very low required overpotentials [1.346 and −0.117 V vs reversible hydrogen electrode (RHE) in 1 M KOH +0.33 M urea] to achieve urea electro-oxidation and hydrogen evolution reactions at a respective electrocatalytic current density of 30 mA cm–2, which is comparatively very lower overpotential than the oxygen evolution reaction (1.585 V vs RHE) in the water ...