Abstract
A three-dimensional Ni foam deposited with graphene layers on surfaces is used as a conducting solid support to load MoS x catalysts for electrocatalytic hydrogen evolution. The graphene sheets grown on Ni foams provide robust protection and efficiently increase the stability in acid. The superior performance of hydrogen evolution is attributed to the relatively high catalyst loading weight as well as its relatively low resistance. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.