FeNxC nano catalytic network as well as preparation method and application thereof

FeNxC nano catalytic network as well as preparation method and application thereof

The invention relates to the technical field of oxygen reduction electrocatalysts, in particular to a FeNxC nano catalytic network as well as a preparation method and application thereof. The preparation method comprises the following steps: adding m-phenylenediamine and concentrated hydrochloric ac...

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Hauptverfasser: ZHU YE, NING YUNYUN, WANG QIANG
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Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator ZHU YE
NING YUNYUN
WANG QIANG
description The invention relates to the technical field of oxygen reduction electrocatalysts, in particular to a FeNxC nano catalytic network as well as a preparation method and application thereof. The preparation method comprises the following steps: adding m-phenylenediamine and concentrated hydrochloric acid into a SiO2 suspension, then adding (NH4) 2S2O8 and FeCl3 solutions, oxidizing m-phenylenediamine into poly (m-phenylenediamine), and coating the poly (m-phenylenediamine) on the surfaces of SiO2 nanoparticles to obtain a powder sample; carrying out high-temperature pyrolysis on the powder in an inert environment to obtain FeNxC/SiO2; diazonium benzoate and reduced iron powder are added into the FeNxC/SiO2, and benzoic acid groups are grafted to the surface of the FeNxC/SiO2; siO2 is removed, and FeNxC nano-particles with the surfaces modified with carboxyl are obtained; an EDC solution and an NHS solution are added, and carboxylic acid groups on the FeNxC nanoparticles are activated; and adding the amino modifi
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title FeNxC nano catalytic network as well as preparation method and application thereof
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