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We propose a new design for electrocatalysts consisting of two electrocatalysts (platinum and iron oxide) that are deposited on the surfaces of an oxidized graphene substrate. This design is based on a simple structure where the catalysts were deposited separately on both sides of oxidized graphene substrate; while the iron oxide precipitated out of the etching solution on the bottom-side, the surface of the oxidized graphene substrate was decorated with platinum using the atomic layer deposition technique. The Fe₂O₃-decorated CVD-graphene composite exhibited better hydrogen electrooxidation performance (area-normalized electrode resistance (ANR) of ~600 Ω·cm⁻²) and superior stability in comparison with bare-graphene samples (ANR of ~5800 Ω·cm⁻²). Electrochemical impedance measurements in humidified hydrogen at 240 °C for (Fe₂O₃|Graphene|Platinum) electrodes show ANR of ~0.06 Ω·cm⁻² for a platinum loading of ~60 µg_Pt·cm⁻² and Fe₂O₃ loading of ~2.4 µg_Fe·cm⁻², resulting in an outstanding mass normalized activity of almost 280 S·mg_Pt⁻¹, exceeding even state-of-the-art electrodes. This ANR value is ~30% lower than the charge transfer resistance of the same electrode composition in the absence of Fe₂O₃ nanoparticles. Detailed study of the Fe₂O₃ electrocatalytic properties reveals a significant improvement in the electrode’s activity and performance stability with the addition of iron ions to the platinum-decorated oxidized graphene cathodes, indicating that these hybrid (Fe₂O₃|Graphene|Platinum) materials may serve as highly efficient catalysts for solid acid fuel cells and beyond.