Graphene and carbon nanotube structures supported on mesoporous xerogel carbon as catalysts for oxygen reduction reaction in proton-exchange-membrane fuel cells

被引：54

作者：

Arbizzani, Catia ^{[1
]}

Righi, Sara ^{[1
]}

Soavi, Francesca ^{[1
]}

Mastragostino, Marina ^{[1
]}

机构：

[1] Univ Bologna, Dipartimento Sci Met Elettrochim & Tecn Chim, I-40127 Bologna, Italy

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 08期

关键词：

Oxygen reduction reaction; PEM fuel cells; Non-precious metal catalysts; Xerogel carbon support; Graphene; Carbon nanotubes;

D O I：

10.1016/j.ijhydene.2011.01.083

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：

Non-precious metal catalysts for the oxygen reduction reaction (ORR) in proton-exchange-membrane fuel cells (PEMFCs) were obtained by pyrolysis of iron citrate and polyacrylonitrile on mesoporous xerogel carbon support. Chemical-physical characterizations, electrochemical studies by the rotating disc electrode, and electrochemical tests in a PEMFC configuration demonstrated that the porosity of the pristine carbon promotes the formation of graphene and carbon nanotube structures featuring ORR catalytic activity. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：5038 / 5046

页数：9

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