Fe3O4 Templated Pyrolyzed Fe−N−C Catalysts. Understanding the role of N-Functions and Fe3C on the ORR Activity and Mechanism,ChemElectroChem

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Fe3O4 Templated Pyrolyzed Fe−N−C Catalysts. Understanding the role of N-Functions and Fe3C on the ORR Activity and Mechanism
ChemElectroChem ( IF 3.5 ) Pub Date : 2022-03-01 , DOI: 10.1002/celc.202200115
Ricardo Venegas ₁ , César Zúñiga ₂ , Jose Zagal ₃ , Alejandro Toro ₄ , Jose F. Marco ₅ , Nieves Menendez ₆ , Karina Muñoz-Becerra ₇ , Francisco Javier Recio ₈

Affiliation

Controlling the ORR selectivity: The role of metallic particles in the catalytic activity and selectivity of pyrolyzed Fe−N−C catalysts for ORR is explored. The presence of coated Fe₃O₄ nanoparticles enhances the catalytic activity promoting a 4e-mechanism whilst Fe₃C particles are detrimental changing the selectivity to a 2×2e- mechanism.

中文翻译：

Fe3O4 模板化热解 Fe-N-C 催化剂。了解 N-Functions 和 Fe3C 对 ORR 活性和机制的作用

控制 ORR 选择性：探讨了金属颗粒在热解 Fe-N-C 催化剂对 ORR 的催化活性和选择性中的作用。涂覆的Fe ₃ O ₄纳米颗粒的存在增强了促进4e-机制的催化活性，而Fe ₃ C 颗粒有害地改变了2×2e-机制的选择性。

更新日期：2022-03-01

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