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- W2000591834 abstract "This work reports on the oxygen reduction activity of several non-precious metal (non-PGM) catalysts for oxygen reduction reaction (ORR) at the fuel cell cathode, including pyrolyzed CoTPP, FeTPP, H2TMPP, and CoTMPP. Of the studied catalysts, pyrolyzed CoTMPP (Co-tetramethoxyphenylporphyrin) was found to perform significantly better than other materials. The catalyst underwent a thorough testing in both hydrogen–air polymer electrolyte fuel cell (PEFC) and direct methanol fuel cell (DMFC). It was found that CoTMPP cathode can sustain currents that are only 2–3 times lower than those obtained with a conventional Pt-black cathode in an H2–air PEFC. DMFC experiments, including methanol crossover and methanol tolerance measurements, indicate high ORR selectivity of the CoTMPP catalyst. Based on results obtained to date, the CoTMPP-based catalyst offers promise for the use in conventional and mixed-reactant DMFCs operating with concentrated methanol feeds. However, hydrogen–air fuel cell life data, consisting of over 800 h of continuous cell operation, indicate that improvement to long-term stability of the CoTMPP catalyst will be required to make it practical." @default.
- W2000591834 created "2016-06-24" @default.
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- W2000591834 date "2010-11-01" @default.
- W2000591834 modified "2023-09-30" @default.
- W2000591834 title "Highly methanol-tolerant non-precious metal cathode catalysts for direct methanol fuel cell" @default.
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- W2000591834 doi "https://doi.org/10.1016/j.electacta.2009.11.085" @default.
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