Electrocatalytic Reduction of Oxygen at Au Nanoparticles-Manganese Oxide Nanoparticle Binary Catalysts El-Deab, Mohamed S. ; Ohsaka, Takeo Abstract Publication: Journal of the Electrochemical Society Pub Date: July 2006 DOI: 10.1149/1.2196707 Bibcode: 2006JElS..153A1365E