American Journal of Nano Research and Applications
Volume 2, Issue 6-1, December 2014, Pages: 61-65
Received: Nov. 15, 2014;
Accepted: Dec. 23, 2014;
Published: Dec. 23, 2014
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Aron Varga, Leibniz Insitute of Surface Modification, Permoserstraße 15, D-04318 Leipzig, Germany
Solid acid fuel cells represent a relatively new technology with the advantage of an intermediate operating temperature of 240°C and a solid state proton conducting electrolyte (CsH2PO4). Widespread commercial application has been hindered mainly by low performance and costly electrodes containing a high Pt loading. Here we review the recent progress and current status of solid acid fuel cell electrodes. Major efforts include creating nanostructured composites leading to much reduced Pt loadings while maintaining or even increasing performance. Furthermore, fundamental studies on Pt thin films, as geometrically controlled electrodes, have recently revealed the possibility of an electrochemical pathway through the two-phase boundary in addition to the classic three-phase boundary. Carbon nanotubes as electronic interconnects have been shown to dramatically improve Pt catalyst utilization and hence electrode performance. Major efforts are spent to search for alternative, non-precious metal catalysts.
Progress in Solid Acid Fuel Cell Electrodes, American Journal of Nano Research and Applications. Special Issue: Advanced Functional Materials.
Vol. 2, No. 6-1,
2014, pp. 61-65.
S. M. Haile, D. A. Boysen, C. Chisholm, and R. Merle, Nature 410, 910 (2001).
C. R. I. Chisholm, D. A. Boysen, A. B. Papandrew, S. K. Zecevic, S. Cha, K. A. Sasaki, Á. Varga, K. P. Giapis, and S. M. Haile, Interface Magazine 18, 53 (2009).
M. Louie, California Institute of Technology, 2011
T. Uda and S. M. Haile, Electrochemical and Solid-State Letters 8 (5), A245 (2005).
A. Ikeda, S. M. Haile, Solid State Ionics 213, 63 (2012)
S. B. Adler, Journal of The Electrochemical Society 149 (5), E166 (2002).
K. A. Sasaki, Y. Hao, and S. M. Haile, Physical chemistry chemical physics : PCCP 11 (37), 8349 (2009).
K. Ota and Y. Koizumi, in Handbook of Fuel Cells - Fundamentals, Technology and Applications, edited by W. Vielstich, H. Yokokawa, and H. A. Gasteiger (John Wiley and Sons, 2009), Vol. 5, pp. 243.
S. M. Haile, C. R. I. Chisholm, K. Sasaki, D. A. Boysen, and T. Uda, Faraday Discussions 134, 17 (2007).
Á. Varga, N. A. Brunelli, M. W. Louie, K. P. Giapis, and S. M. Haile, Journal of Materials Chemistry 20 (30), 6309 (2010).
Á. Varga, M. Pfohl, N. A. Brunelli, M. Schreier, K. P. Giapis, and S. M. Haile, Physical chemistry chemical physics : PCCP 15 (37), 15470 (2013).
R. C. Suryaprakash, F. Lohmann, M. Wagner, B. Abel, and A. Varga, RSC Adv. (2014).
M. W. Louie and S. M. Haile, Energy & Environmental Science 4 (10), 4230 (2011).
M. W. Louie, K. Sasaki, and S. M. Haile, ECS Transactions 13 (28), 57 (2008).
A. B. Papandrew, C. R. I. Chisholm, R. A. Elgammal, M. M. Özer, and S. K. Zecevic, Chemistry of Materials 23 (7), 1659 (2011).
T. Uda, D. A. Boysen, C. R. I. Chisholm, and S. M. Haile, Electrochemical and Solid-State Letters 9 (6), A261 (2006).