2011
DOI: 10.1016/j.ijhydene.2011.09.054
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Methanol-tolerant cathode electrode structure composed of heterogeneous composites to overcome methanol crossover effects for direct methanol fuel cell

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Cited by 30 publications
(15 citation statements)
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“…In this study, binary carbon-supported PtRu catalysts were prepared using two carbon supports, i.e., CBs and MWCNTs, (2) where Q is the electric charge for hydrogen desorption and the value of the hydrogen adsorption constant for polycrystalline Pt is 0.22 mC/cm -2 . The calculated ECSA values are shown in Table 1, which also summarizes other catalyst data.…”
Section: Discussionmentioning
confidence: 99%
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“…In this study, binary carbon-supported PtRu catalysts were prepared using two carbon supports, i.e., CBs and MWCNTs, (2) where Q is the electric charge for hydrogen desorption and the value of the hydrogen adsorption constant for polycrystalline Pt is 0.22 mC/cm -2 . The calculated ECSA values are shown in Table 1, which also summarizes other catalyst data.…”
Section: Discussionmentioning
confidence: 99%
“…where d is the mean Pt particle diameter in Å (from TEM results) and is the density of Pt metal (21.4 g/cm 2 ). The utilization efficiency can subsequently be calculated using the following formula [11]:…”
Section: Discussionmentioning
confidence: 99%
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“…2 The poisoning issue is particularly signicant for methanol based fuels cells as in addition to CO adsorption, they also have a tendency to undergo crossover poisoning, in which methanol crosses over the polyelectrolyte membrane and poisons the cathode. [3][4][5] In an attempt to mitigate this issue researchers have looked for various alternative types of fuels. To this end, formic acid stands as a promising substitute to methanol as in addition to low toxicity, it is also less susceptible to undergo fuel crossover poisoning and has shown fast oxidation kinetics.…”
Section: Introductionmentioning
confidence: 99%
“…For methanol oxidation, catalysts have several issues which need to be overcome: for example, carbon monoxide generated from methanol oxidation blocks the active sites of catalysts to prevent the further oxidation of methanol [166].…”
Section: Resultsmentioning
confidence: 99%