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Enhancement of Pt Utilization in Electrocatalysts by Using Gold Nanoparticles

✍ Scribed by Dan Zhao; Bo-Qing Xu

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
191 KB
Volume
45
Category
Article
ISSN
0044-8249

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## Abstract Pt/C electrocatalysts, aimed at maximizing the electrochemical surface area (ECSA) and consequently the specific mass activity of fuel cell reactions, are obtained by firstly depositing Pt nanoparticles on colloidal silica (Pt‐silica), followed by the adsorption of the latter onto a car