One-pot synthesis of Ir@Pt nanodendrites as highly active bifunctional electrocatalysts for oxygen reduction and oxygen evolution in acidic medium

Nanodendritic Ir@Pt core-shell bifunctional electrocatalysts were synthesized by a one-pot synthesis method for the first time. Besides good dispersion and uniform composition distribution, Ir@Pt bifunctional electrocatalysts have exhibited outstanding catalytic activity for both oxygen reduction and oxygen evolution reactions in comparison with the mixture of commercial Ir and Pt blacks. (C) 2012 Elsevier B.V. All rights reserved.