A closely packed Pt1.5Ni1−x/Ni–N–C hybrid for relay catalysis towards oxygen reduction

Diminishing the usage of Pt without sacrificing its activity still remains a challenge in proton-exchange membrane fuel cells (PEMFCs). Here, we report a gas-promoted dealloying process to prepare a closely packed hybrid electrocatalyst containing Pt-based alloy nanocrystals (NCs) and dense isolated...

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Veröffentlicht in:	Energy & environmental science 2023-01, Vol.16 (1), p.148-156
Hauptverfasser:	Guo, Wenxin, Gao, Xiaoping, Zhu, Mengzhao, Xu, Chenxi, Zhu, Xiaorong, Zhao, Xuyan, Sun, Rongbo, Xue, Zhenggang, Song, Jia, Lin, Tian, Xu, Jie, Chen, Wenxing, Lin, Yue, Li, Yafei, Huang, Zhou, Wu, Yuen
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Carbon sources Catalysis Catalysts Chemical reduction Dealloying Electrocatalysts Electron transfer Electrons Fuel cells Fuel technology Nanoalloys Nanocrystals Oxygen Oxygen reduction reactions Platinum base alloys Proton exchange membrane fuel cells Relay Substrates
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