2011
DOI: 10.1016/j.enconman.2011.01.005
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Performance of direct alcohol fuel cells fed with mixed methanol/ethanol solutions

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Cited by 43 publications
(16 citation statements)
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“…From the practical point of view, ethanol can overcome the problems in the fuel cells created by methanol including sluggish reaction kinetics for methanol oxidation, methanol crossover through Nafion membranes, and carbon monoxide poisoning of anodes [20]. On the other hand, because of its smaller permeability through the Nafion membrane, ethanol has low crossover rate and subsequently less bad effect on the cathode performance than methanol, moreover, especially for the Pt-based cathodes, it has slower electrochemical oxidation kinetics [20,21]. Although, practically, the alkaline fuel cells still have some problems such as carbonization of the membrane, many researchers are trying to find proper nonprecious catalysts to replace Pt in the alkaline media.…”
Section: Introductionmentioning
confidence: 99%
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“…From the practical point of view, ethanol can overcome the problems in the fuel cells created by methanol including sluggish reaction kinetics for methanol oxidation, methanol crossover through Nafion membranes, and carbon monoxide poisoning of anodes [20]. On the other hand, because of its smaller permeability through the Nafion membrane, ethanol has low crossover rate and subsequently less bad effect on the cathode performance than methanol, moreover, especially for the Pt-based cathodes, it has slower electrochemical oxidation kinetics [20,21]. Although, practically, the alkaline fuel cells still have some problems such as carbonization of the membrane, many researchers are trying to find proper nonprecious catalysts to replace Pt in the alkaline media.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, ethanol can be produced from agricultural bioprocesses, so it was joined to the renewable fuels family [19]. From the practical point of view, ethanol can overcome the problems in the fuel cells created by methanol including sluggish reaction kinetics for methanol oxidation, methanol crossover through Nafion membranes, and carbon monoxide poisoning of anodes [20]. On the other hand, because of its smaller permeability through the Nafion membrane, ethanol has low crossover rate and subsequently less bad effect on the cathode performance than methanol, moreover, especially for the Pt-based cathodes, it has slower electrochemical oxidation kinetics [20,21].…”
Section: Introductionmentioning
confidence: 99%
“…Based on the study of different ratios of ethanol and methanol mixtures, Wongyao et al 23 concluded that the PtRu/C electrocatalyst was more efficient than the PtRu-PtSn/C electrocatalyst for mixed solutions in direct alcohol fuel cells. However, in all of the cases, the solution containing only methanol exhibited the best performance in tests with a single cell, which indicated that the slow kinetics of ethanol may hinder the reaction.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, Wongyao et al 23 suggested that different proportions of PtSn/C can be used as electrocatalysts because an anode composed of this material will selectively adsorb ethanol.…”
Section: Introductionmentioning
confidence: 99%
“…The first reports an experimental study of the response of a DMFC when the fuel is changed from MeOH to EtOH [13], finding that the use of EtOH instead of MeOH worsens the cell performance at any given temperature. The second experimental work [14], using alcohol blends to fuel DAFCs, found that fuel cell performance drops significantly even at low EtOH contents in the MeOH/EtOH blends. Focusing on an experimental comparison of catalyst performance, the authors proposed that the main factor explaining the experimental data was the difference in the oxidation rate between both alcohols.…”
Section: Introductionmentioning
confidence: 99%