期刊
CARBON
卷 88, 期 -, 页码 157-164出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.03.004
关键词
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资金
- Estonian Ministry of Education and Research [IUT 19-29]
- Danish project PEM Durability and Lifetime Part III (Energinet.dk Project) [2013-1-12064]
- Ministry of Education and Science of Russian Federation [DOI: RFMEFI58114X0006]
- [AR12133]
A few-layered graphene on the surface of highly aligned alumina nanofibers (ANFs) with an aspect ratio of 10(7) was synthesized in a single-step catalyst-free direct chemical vapor deposition process. The product, graphenated alumina nanofibers (G-ANFs), consisting of the ceramic nanofibers surrounded by the conductive and inert few-layered graphene, is a promising material for electrochemical applications. The synthesized material has been demonstrated to be an excellent electrocatalyst support for Pt particles in fuel cells. A 1.5-fold improvement in the mass activity has been obtained for Pt/G-ANF in comparison to the commercially available Pt/C. The electrochemical stability was found to be outstanding for acidic medium electrochemistry. Their remarkable stability and unique structure opens a new avenue for the use of this material in various electrochemical energy conversion technologies. (c) 2015 Elsevier Ltd. All rights reserved.
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