A closely packed Pt<sub>1.5</sub>Ni<sub>1−<i>x</i></sub>/Ni–N–C hybrid for relay catalysis towards oxygen reduction
Wenxin Guo, Xiaoping Gao, Mengzhao Zhu, Chenxi Xu, Xiaorong Zhu, Xuyan Zhao, Rongbo Sun, Zhenggang Xue, Jia Song, Lin Tian, Jie Xu, Wenxing Chen, Yue Lin, Yafei Li, Huang Zhou, Yuen Wu
Abstract
A closely packed hybrid electrocatalyst Pt 1.5 Ni 1− x /Ni–N–C was engineered by a gas-promoted dealloying process, ensuring the relay catalysis of the reaction intermediates at Pt alloy and Ni single sites, thus achieving high performance in PEMFCs.
Topics & Concepts
ElectrocatalystCatalysisOxygen reduction reactionRelayOxygenMaterials scienceOxygen reductionAlloyChemical engineeringNickelChemistryMetallurgyPhysical chemistryElectrochemistryPhysicsElectrodeThermodynamicsEngineeringOrganic chemistryPower (physics)Electrocatalysts for Energy ConversionAdvanced Memory and Neural ComputingNanoporous metals and alloys