1998
DOI: 10.1021/jp982792d
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Electrocatalytic Oxidation of Small Carbohydrate Fuels at Pt−Sn Modified Electrodes

Abstract: The electrocatalytic oxidations of water-soluble alcohols and diols and some other small organic molecules (MeOH, EtOH, 2-fluoroethanol, 2,2-difluoroethanol, 2,2,2-trifluoroethanol, CH2(OH)2, ethylene glycol, n-PrOH, i-PrOH, 1,4-butanediol, 1,3-propanediol, 1,2-propanediol, t-BuOH, neopentyl alcohol, benzyl alcohol, 2-Me-1-PrOH, formic acid, acetaldehyde, acetic acid, propionaldehyde, propionic acid, acetone, glycolaldehyde, glyoxal, glycolic acid, glyoxylic acid, oxalic acid) have been compared in aqueous 0.5… Show more

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Cited by 88 publications
(78 citation statements)
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“…The DAFC is in general a PEM fuel cell in which the alcohol is directly fed into the anode without the requirement of a fuel reformer [3]. The simplicity of the DAFCs has been shown with methanol [8][9][10][11][12][13] and ethanol [14][15][16][17][18][19][20] as well as with other small alcohols and carbohydrates [21]. Although DAFCs offer great promise, they also show several drawbacks.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The DAFC is in general a PEM fuel cell in which the alcohol is directly fed into the anode without the requirement of a fuel reformer [3]. The simplicity of the DAFCs has been shown with methanol [8][9][10][11][12][13] and ethanol [14][15][16][17][18][19][20] as well as with other small alcohols and carbohydrates [21]. Although DAFCs offer great promise, they also show several drawbacks.…”
Section: Introductionmentioning
confidence: 99%
“…The most common alcohol for DAFCs is methanol (Direct Methanol Fuel Cells, DMFCs), although ethanol has been recently gaining considerable attention due to its greater availability and higher energy storage capacity (per volume) than methanol [19,21]. The best performing anode material for the electrochemical oxidation of methanol is platinum, whose high cost puts a great economic challenge into the DAFC design.…”
Section: Introductionmentioning
confidence: 99%
“…Carbohydrates can be considered to be potentially useful in fuel cell application [18] due to the presence of the oxidisable carbonyl group in the molecule, along with the multiple hydroxyl groups. Moreover, the relative abundance of the most important monosaccharide, dextrose, is so high that it has been estimated that there are more dextrose units in nature than the total number of all other organic groups [19].…”
Section: Introductionmentioning
confidence: 99%
“…The materials used for this purpose include bulk metals (Au, Pt) with different surface treatments [23][24][25][26], metal (Pt, Cu) alloys [18,27], microparticles of metals (Pt, Au, Cu) dispersed on different substrates or incorporated into polymeric matrices [28][29][30][31][32], metal (Ni, W, Ru) oxides [33][34][35], metal (Ru) complex [36] and different types of carbon based electrodes [32,[37][38][39]. However, to qualify as an electrocatalyst for fuel oxidation the electrochemical response needs to remain stable over a considerable period of time.…”
Section: Introductionmentioning
confidence: 99%
“…As shown by Gonzalez et al [42], carbon supported nanocatalysts have been studied for the oxidation of methanol and other fuels. There is, however, a problem in the comparison of results, because the catalysts have been prepared by a variety of different methods.…”
Section: The Oxidation Of Methanol On Platinum-tin Catalystsmentioning
confidence: 99%