Author： Gupta S. Tryk D. Zecevic S.K. Aldred W. Guo D. Savinell R.F.
Publisher： Springer Publishing Company
ISSN： 0021-891X
Source： Journal of Applied Electrochemistry, Vol.28, Iss.7, 1998-07, pp. : 673-682
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Heat-treated μ-oxo-iron(iii) tetramethoxy phenyl porphyrin (Fe-TMPP)2O and iron(iii) tetramethoxy phenyl porphyrin (FeTMPP-Cl) as well as iron(iii) octaethyl porphyrin (FeOEP-Cl) adsorbed on high-area carbons such as deashed and un-deashed RB carbon (Calgon) and Black Pearls-2000 (Cabot) have been found to exhibit stable and very high oxygen reduction rates. Experiments done over a period of 24h showed no performance degradation. Measured performances were very similar to supported platinum (E-Tek), when tested in 85% H3PO4-equilibrated Nafion 117 membrane at 125°C and hydrated-Nafion membrane at 60°C in a minifuel cell. The macrocycle cathodes are insensitive to the presence of methanol whereas the platinum cathodes are very sensitive and show degradation in the oxygen reduction performance.
Related content
Access to resources
Recommend
Modeling and Simulation for Fuel Cell Polymer Electrolyte Membrane
By Morohoshi Kei Hayashi Takahiro
Polymers, Vol. 5, Iss. 1, 2013-01 ,pp. :
Access to resources