Nonprecious-metal Fe/N/C Catalysts Prepared from π-Expanded Fe Salen Precursors toward an Efficient Oxygen Reduction Reaction,ChemCatChem

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Nonprecious-metal Fe/N/C Catalysts Prepared from π-Expanded Fe Salen Precursors toward an Efficient Oxygen Reduction Reaction
ChemCatChem ( IF 3.8 ) Pub Date : 2017-11-27 04:06:34 , DOI: 10.1002/cctc.201701629
Yuta Tanaka ₁ , Akira Onoda ₁ , Shin-ichi Okuoka ₂ , Tomoyuki Kitano ₃ , Koki Matsumoto ₁ , Takao Sakata ₄ , Hidehiro Yasuda ₄ , Takashi Hayashi ₁

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Origin matters: Iron and nitrogen-containing carbon (Fe/N/C) catalysts were prepared by pyrolysis of a mixture of carbon support and π-expanded Fe(Salen) precursors. The ligand frameworks of the precursors remarkably affect the content of pyridinic N and structure of atomically-dispersed Fe active sites in the Fe/N/C catalysts, and the atomically-dispersed Fe active sites with a high content of pyridinic N promote the efficient four-electron reduction of dioxygen.

中文翻译：

π膨胀的Fe Salen前驱体制备的非贵金属Fe / N / C催化剂，可实现高效的氧还原反应

起源问题：通过热解碳载体和π膨胀的Fe（Salen）前驱体的混合物来制备含铁和氮的碳（Fe / N / C）催化剂。前驱体的配体构架显着影响吡啶/ N / C催化剂中吡啶N的含量和原子分散的Fe活性位的结构，而原子含量高的吡啶N的原子分散的Fe活性位可有效地提高四价铁的效率。 -电子还原双氧。

更新日期：2017-11-27

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