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Porous Carbon Membrane‐Supported Atomically Dispersed Pyrrole‐Type FeN4 as Active Sites for Electrochemical Hydrazine Oxidation Reaction

Wang, Yu‐Cheng ; Wan, Li‐Yang ; Cui, Pei‐Xin ; Tong, Lei ; Ke, Yu‐Qi ; Sheng, Tian ; Zhang, Miao ; Sun, Shu‐Hui ; Liang, Hai‐Wei ; Wang, Yue‐Sheng ; Zaghib, Karim ; Wang, Hong ; Zhou, Zhi‐You ; Yuan, Jiayin

Small (Weinheim an der Bergstrasse, Germany), 2020-08, Vol.16 (31), p.n/a [Periódico revisado por pares]

Weinheim: Wiley Subscription Services, Inc

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Título:
Porous Carbon Membrane‐Supported Atomically Dispersed Pyrrole‐Type FeN4 as Active Sites for Electrochemical Hydrazine Oxidation Reaction
Autor: Wang, Yu‐Cheng ; Wan, Li‐Yang ; Cui, Pei‐Xin ; Tong, Lei ; Ke, Yu‐Qi ; Sheng, Tian ; Zhang, Miao ; Sun, Shu‐Hui ; Liang, Hai‐Wei ; Wang, Yue‐Sheng ; Zaghib, Karim ; Wang, Hong ; Zhou, Zhi‐You ; Yuan, Jiayin
Assuntos: Carbon ; Catalytic activity ; Density functional theory ; Dispersion ; Electrochemical analysis ; FeN4 active sites ; Fuel cells ; hydrazine oxidation ; Hydrazines ; Membranes ; Nanotechnology ; Oxidation ; porous carbon membranes ; Porous materials ; single atom catalysts
É parte de: Small (Weinheim an der Bergstrasse, Germany), 2020-08, Vol.16 (31), p.n/a
Descrição: The rational design of catalytically active sites in porous materials is essential in electrocatalysis. Herein, atomically dispersed Fe‐Nx sites supported by hierarchically porous carbon membranes are designed to electrocatalyze the hydrazine oxidation reaction (HzOR), one of the key techniques in electrochemical nitrogen transformation. The high intrinsic catalytic activity of the Fe‐Nx single‐atom catalyst together with the uniquely mixed micro‐/macroporous membrane support positions such an electrode among the best‐known heteroatom‐based carbon anodes for hydrazine fuel cells. Combined with advanced characterization techniques, electrochemical probe experiments, and density functional theory calculation, the pyrrole‐type FeN4 structure is identified as the real catalytic site in HzOR. Hierarchically porous carbon membrane‐supported atomically dispersed pyrrole‐type FeN4 sites are proposed and verified as real active sites for the hydrazine oxidation reaction.
Editor: Weinheim: Wiley Subscription Services, Inc
Idioma: Inglês

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Porous Carbon Membrane‐Supported Atomically Dispersed Pyrrole‐Type FeN4 as Active Sites for Electrochemical Hydrazine Oxidation Reaction

Wang, Yu‐Cheng ; Wan, Li‐Yang ; Cui, Pei‐Xin ; Tong, Lei ; Ke, Yu‐Qi ; Sheng, Tian ; Zhang, Miao ; Sun, Shu‐Hui ; Liang, Hai‐Wei ; Wang, Yue‐Sheng ; Zaghib, Karim ; Wang, Hong ; Zhou, Zhi‐You ; Yuan, Jiayin

Weinheim: Wiley Subscription Services, Inc

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