Reduced graphene oxide supported TiO2 as high performance catalysts for oxygen reduction reaction

被引：42
作者：
Yu, Jiemei [1 ,2 ]
Liu, Zongming [1 ]
Zhai, Limin [1 ]
Huang, Taizhong [1 ]
Han, Jitian [2 ]
机构：
[1] Univ Jinan, Sch Chem & Chem Engn, 336 West Nanxinzhuang Rd, Jinan 250022, Peoples R China
[2] Shandong Univ, Sch Energy & Power Engn, 17923 Jingshi Rd, Jinan 250061, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Non-precious-metal catalyst; Oxygen reduction reaction; (N; F)-co-doped TiO2; Reduced graphene oxide; MEMBRANE FUEL-CELL; RAMAN-SPECTROSCOPY; ELECTROCATALYST; NANOSHEETS; COMPOSITE; ELECTROLYTE; STABILITY; PLATINUM; CATHODES; SIZE;
D O I：
10.1016/j.ijhydene.2015.12.192
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：
To overcome the shortcomings of high cost and rare sources of precious metal based catalysts, the catalytic characteristics of reduced graphene oxide (rGO) supported (N, F)-co doped TiO2 hybrid (TiO2/rGO) for oxygen reduction are investigated. Results show that the onset potential of oxygen reduction reaction (ORR) under the catalysis of TiO2/rGO is about -0.20 V (vs. Hg/Hg2Cl2). The corresponding electron transfer number of ORR is 3.98, which means that the ORR is major happened through a 4-electron process. TiO2/rGO catalyst has high catalytic for ORR and better stability than the commercial Pt/C catalytic performance in alkaline electrolyte. TiO2/rGO catalyst shows great promise as a high activity non precious metal catalyst for ORR. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3436 / 3445
页数：10
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