The role of carbon in fuel cells

Dicks, Andrew L. (2006) The role of carbon in fuel cells. Journal of Power Sources, 156 2: 128-141. doi:10.1016/j.jpowsour.2006.02.054

Author Dicks, Andrew L.
Title The role of carbon in fuel cells
Journal name Journal of Power Sources   Check publisher's open access policy
ISSN 0378-7753
Publication date 2006
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.jpowsour.2006.02.054
Volume 156
Issue 2
Start page 128
End page 141
Total pages 14
Editor C K Dyer
D. A. J. Rand
Z. Ogumi
Place of publication Amsterdam, Netherlands
Publisher Elsevier Science
Collection year 2006
Language eng
Subject C1
290600 Chemical Engineering
670799 Other
Abstract Carbon possesses unique electrical and structural properties that make it an ideal material for use in fuel cell construction. In alkaline, phosphoric acid and proton-exchange membrane fuel cells (PEMFCs), carbon is used in fabricating the bipolar plate and the gas-diffusion layer. It can also act as a support for the active metal in the catalyst layer. Various forms of carbon - from graphite and carbon blacks to composite materials - have been chosen for fuel-cell components. The development of carbon nanotubes and the emergence of nanotechnology in recent years has therefore opened up new avenues of matenials development for the low-temperature fuel cells, particularly the hydrogen PEMFC and the direct methanol PEMFC. Carbon nanotubes and aerogels are also being investigated for use as catalyst support, and this could lead to the production of more stable, high activity catalysts, with low platinum loadings (< 0.1 Mg cm(-2)) and therefore low cost. Carbon can also be used as a fuel in high-temperature fuel cells based on solid oxide, alkaline or molten carbonate technology. In the direct carbon fuel cell (DCFC), the energy of combustion of carbon is converted to electrical power with a thermodynamic efficiency close to 100%. The DCFC could therefore help to extend the use of fossil fuels for power generation as society moves towards a more sustainable energy future. (c) 2006 Elsevier B.V. All rights reserved.
Keyword Electrochemistry
Energy & Fuels
Proton-exchange Membrane Fuel Cells
Carbon Components
Catalyst Support
Direct Carbon Fuel Cell
Gas-diffusion Electrodes
Bipolar Plates
Electrochemical Oxidation
Supported Catalysts
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 09:23:16 EST