Nitrogen-doped graphene supported Pt nanoparticles with enhanced performance for methanol oxidation

被引：73
作者：
Ma, Jun-hong [1 ,2 ]
Wang, Li [1 ]
Mu, Xue [1 ]
Li, Li [1 ,2 ]
机构：
[1] Xinjiang Univ, Inst Appl Chem, Key Lab Adv Funct Mat, Urumqi 830046, Peoples R China
[2] Xinjiang Univ, Coll Chem & Chem Engn, Urumqi 830046, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Polyaniline; Graphene; Nitrogen-doped; Platinum electrocatalyst; Methanol oxidation; OXYGEN-REDUCTION REACTION; FUEL-CELL; ELECTROCATALYTIC ACTIVITY; CATALYST SUPPORTS; CARBON; OXIDE; ELECTROOXIDATION; ADSORPTION; EVOLUTION; SHEETS;
D O I：
10.1016/j.ijhydene.2014.12.080
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：
A series of nitrogen-doped graphene nanocomposites (N-RGO) derived from pyrolysis of graphene oxide (GO)/polyaniline composites with varied mass ratio between GO and aniline were used as support for immobilization of Pt nanoparticles. Transmission electron microscopy, X-ray powder diffraction, Raman spectroscopy and X-ray photoelectron spectroscopy were used to characterize the morphology and microstructure of the prepared catalysts. The catalytic activity of the catalysts towards the oxidation of methanol was evaluated by cyclic voltammetry. Compared to the undoped Pt/RGO catalyst, an enhanced electrocatalytic activity for methanol oxidation was obtained in the case of the Pt/N-RGO with optimized composition and nanostructure. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2641 / 2647
页数：7
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