supported by the Major Program of National Natural Science Foundation of China(51290282);the National Science Fund for Distinguished Young Scholars of China(51225805);the National Natural Science Foundation of China(51572139);the National Basic Research Program of China(2013CB934004)
De veloping transition metal oxides/carbon substrate hybrids as highly promising non-precious metal oxygen reduction reaction(ORR) electrocatalysts is crucial to replace the scarce platinum and solve the world-wide en...