Surface modification of carbon fuels for direct carbon fuel cells

X Li; Z Zhu; J Chen; Roland De Marco; A Dicks; John Bradley; G Lu

doi:10.1016/j.jpowsour.2008.09.070

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Surface modification of carbon fuels for direct carbon fuel cells

Journal article

Open access

Peer reviewed

Surface modification of carbon fuels for direct carbon fuel cells

X Li, Z Zhu, J Chen, Roland De Marco, A Dicks, John Bradley and G Lu

Journal of Power Sources, Vol.186(1), pp.1-9

2009

DOI: https://doi.org/10.1016/j.jpowsour.2008.09.070

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Published Version

Abstract

direct carbon fuel cell

surface treatment

electrochemical reactivity

pre-treatment

oxygen functional groups

The direct carbon fuel cell (DCFC) is a promising power-generation device that has much higher efficiency (80%) and less emissions than conventional coal-fired power plants. Two commercial carbons (activated carbon and carbon black) pre-treated with HNO3, HCl or air plasma are tested in a DCFC. The correlation between the surface properties and electrochemical performance of the carbon fuels is explored. The HNO3-treated carbon fuels have the highest electrochemical reactivity in the DCFC due to the largest degree of surface oxygen functional groups. The overall effect on changing the electrochemical reactivity of carbon fuels is in the orderHNO3 > air plasmaâ‰ˆHCl. Product gas analysis indicates thatcomplete oxidation of carbon to CO2 can be achieved at 600-700 â—¦C.

Details

Title: Surface modification of carbon fuels for direct carbon fuel cells
Authors: X Li (Author) - University of Queensland
Z Zhu (Author) - University of Queensland
J Chen (Author) - University of Queensland
Roland De Marco (Author) - Curtin University of Technology
A Dicks (Author) - University of Queensland
John Bradley (Author) - University of Queensland
G Lu (Author) - University of Queensland
Publication details: Journal of Power Sources, Vol.186(1), pp.1-9
Publisher: Elsevier S.A.
Date published: 2009
DOI: 10.1016/j.jpowsour.2008.09.070
ISSN: 0378-7753
Organisation Unit: University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
Language: English
Record Identifier: 99449746302621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials Science, Multidisciplinary

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