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- W2034223750 abstract "Electrocatalytic H+ reduction was studied with cobalt tetraphenylporphyrin (CoTPP) incorporated in a Nafion membrane coated on a Pt electrode (denoted as Pt/Nf[CoTPP]). It was found that Pt/Nf[CoTPP] shows an efficient catalytic activity to produce H2 around the theoretical H+/H2 redox potential (−0.25 V v. Ag/AgCl in a pH 1.01 aqueous solution), and that its catalytic activity is remarkably higher than a neat CoTPP film and a conventional Pt catalyst. The amount of the H2 produced decreased with increasing CoTPP concentration in the membrane ([CoTPP]Nf]). The ratio of electroactive CoIITPP was independent of its concentration, showing that the present electron transfer process takes place via physical diffusion of the molecule. The intrinsic turnover number (TNint) of the CoTPP to produce H2, based on the electroactive amounts of the CoTPP, decreased with increasing [CoTPP]Nf. The catalysis was discussed in terms of the characteristic of the Nafion membrane. © 1998 John Wiley & Sons, Ltd." @default.
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- W2034223750 date "1998-09-01" @default.
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- W2034223750 title "Highly active electrocatalysis by cobalt tetraphenylporphyrin incorporated in a Nafion membrane for proton reduction" @default.
- W2034223750 doi "https://doi.org/10.1002/(sici)1099-1581(199809)9:9<559::aid-pat818>3.0.co;2-1" @default.
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