Surfactant-free Pd-Fe nanoparticles supported on reduced graphene oxide as nanocatalyst for formic acid oxidation

被引：32

作者：

Feng, Anni ^{[1
]}

Bai, Jie ^{[1
]}

Shao, Wenyao ^{[1
]}

Hong, Wenjing ^{[1
]}

Tian, Zhong-qun ^{[1
]}

Xiao, Zongyuan ^{[1
]}

机构：

[1] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem & Biochem Engn, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Fujian, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 22期

基金：

中国国家自然科学基金;

关键词：

Fuel cells; Reduced graphene oxide; Palladium; Bimetallic Pd-Fe NPs; Formic acid oxidation; Electrocatalysis; OXYGEN REDUCTION REACTION; CORE-SHELL NANOPARTICLES; MILD-STEEL; FUEL-CELL; BIMETALLIC NANOPARTICLES; ELECTROCHEMICAL-BEHAVIOR; STRUCTURAL EVOLUTION; CORROSION PROTECTION; ELECTRONIC-STRUCTURE; GRAPHITE OXIDE;

D O I：

10.1016/j.ijhydene.2017.04.278

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, a novel surfactant-free nanocatalyst of Pd-Fe bimetallic nanoparticles (NPs) supported on the reduced graphene oxide (Pd-Fe/RGO) were synthesized using a two-step reduction in aqueous phase. Electrochemical studies demonstrate that the nanocatalyst exhibits superior catalytic activity towards the formic acid oxidation with high stability due to the synergic effect of Pd-Fe and RGO. The optimized Pd-Fe/RGO (Pd:Fe = 1:5) nano catalyst possess an specific activity of 2.72 mA cm(-2) and an mass activity of 1.0 A mg((pd))(-1), which are significantly higher than those of Pd/RGO and commercial Pd/C catalysts. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：15196 / 15202

页数：7

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