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Electrochemical performance of different carbon fuels on a hybrid direct carbon fuel cell

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Li_2017_IJHE_Electrochemical_AAM.pdf (1.092Mb)
Date
22/06/2017
Author
Li, Shuangbin
Pan, Wenzhi
Wang, Shaorong
Meng, Xie
Jiang, Cairong
Irvine, John T. S.
Funder
EPSRC
Grant ID
EP/K015540/1
Keywords
Hybrid direct carbon fuel cell (HDCFC)
Carbon fuels
Electrochemical performance
QD Chemistry
NDAS
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Abstract
In this work, three processed carbon fuels including activated carbon, carbon black and graphite have been employed to investigate influence of the chemical and physical properties of carbon on the HDCFC performance in different anode atmospheres at 650–800 °C. The results reveal that the electrochemical activity is strongly dependent on crystalline structure, thermal stability and textural properties of carbon fuels. The activated carbon samples demonstrate a better performance with a peak power density of 326 mW cm−2 in CO2 at 750 °C, compared to 147 and 59 mW cm−2 with carbon black and graphite samples, respectively. Compared to the ohmic resistance, the polarization resistance plays a more dominated role in the cell performance. When replacing N2 by CO2 purge gas, the power density is the strongly temperature dependent due to the Boudouard reaction.
Citation
Li , S , Pan , W , Wang , S , Meng , X , Jiang , C & Irvine , J T S 2017 , ' Electrochemical performance of different carbon fuels on a hybrid direct carbon fuel cell ' , International Journal of Hydrogen Energy , vol. 42 , no. 25 , pp. 16279-16287 . https://doi.org/10.1016/j.ijhydene.2017.05.150
Publication
International Journal of Hydrogen Energy
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.ijhydene.2017.05.150
ISSN
0360-3199
Type
Journal article
Rights
© 2017 Elsevier Ltd. All rights reserved. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1016/j.ijhydene.2017.05.150
Description
The authors acknowledge the financial support of the Royal Society of Edinburgh for a RSE BP Hutton Prize in Energy Innovation and EPSRC Platform grant, EP/K015540/1.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/13980

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