Nitrogen doping to accelerate the phase transition to ordered intermetallic Pt<sub>3</sub>Co catalyst for the oxygen reduction reaction in fuel cells
Weicheng Xu, Zhipeng Zhu, Yucheng Wang, Peixin Cui, Lei Tong, Kuangmin Zhao, Jiayin Yuan, Zhi‐You Zhou, Hai‐Wei Liang, Na Tian, Shi‐Gang Sun
Abstract
An efficient nitrogen doping strategy is developed to accelerate the disorder-to-order phase transition of Pt 3 Co catalyst, and the as-prepared ordered Pt 3 Co shows a PEMFC power density of 1.27 W cm −2 at 0.6 V.
Topics & Concepts
IntermetallicCatalysisMaterials scienceNitrogenDopingOxygen reduction reactionTransition metalFuel cellsOxygenPower densityOxygen reductionPhase transitionPhase (matter)Proton exchange membrane fuel cellInorganic chemistryChemical engineeringChemistryPhysical chemistryPower (physics)ElectrochemistryCondensed matter physicsMetallurgyThermodynamicsElectrodeOptoelectronicsOrganic chemistryPhysicsEngineeringAlloyElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced Memory and Neural Computing