Carbon Nanofibers Synthesized by Catalytic Decomposition of Methane and Their Electrochemical Performance in a Direct Carbon Fuel Cell

X Li; C Jiuling; Z Zhu; Roland De Marco; R Bradley; A Dicks

doi:10.1021/ef900203h

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Carbon Nanofibers Synthesized by Catalytic Decomposition of Methane and Their Electrochemical Performance in a Direct Carbon Fuel Cell

Journal article

Peer reviewed

Carbon Nanofibers Synthesized by Catalytic Decomposition of Methane and Their Electrochemical Performance in a Direct Carbon Fuel Cell

X Li, C Jiuling, Z Zhu, Roland De Marco, R Bradley and A Dicks

Energy & Fuels, Vol.23(10), p.3721–3731

2009

DOI: https://doi.org/10.1021/ef900203h

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Abstract

carbon nanofibers

synthesis

catalytic decomposition of methane

fuel cells

Various carbon nanofibers (CNFs) have been synthesized by catalytic decomposition of methane over Ni−Al2O3 and Ni−Cu−Al2O3 catalysts at 500−700 °C. On the basis of the physical and chemical characterization of these CNFs, their electrochemical reactivities are evaluated in a novel direct carbon fuel cell (DCFC). It is found that the microstructures and electrochemical reactivities of CNFs are highly dependent on the decomposition temperature, catalyst composition and operation times in the DCFC. Decreasing decomposition temperature and introducing Cu into Ni−Al2O3 catalyst can produce electrochemically reactive CNFs, due to their enlarged surface area and decreased degrees of graphitic structure. The electrochemical reactivity of synthesized CNFs can be further promoted by the preoxidation in the high temperature molten carbonates, owing to an obvious increase in the oxygen functional groups on the surface of the CNFs.

Details

Title: Carbon Nanofibers Synthesized by Catalytic Decomposition of Methane and Their Electrochemical Performance in a Direct Carbon Fuel Cell
Authors: X Li (Author) - University of Queensland
C Jiuling (Author) - University of Queensland
Z Zhu (Author) - University of Queensland
Roland De Marco (Author) - Curtin University of Technology
R Bradley (Author) - University of Queensland
A Dicks (Author) - University of Queensland
Publication details: Energy & Fuels, Vol.23(10), p.3721–3731
Publisher: American Chemical Society
Date published: 2009
DOI: 10.1021/ef900203h
ISSN: 0887-0624
Organisation Unit: University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
Language: English
Record Identifier: 99449641202621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Energy & Fuels; Engineering, Chemical

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