Proton modified Pt zeolite fuel cell electrocatalysts

Yao, Jun and Yao, Yufeng (2015) Proton modified Pt zeolite fuel cell electrocatalysts. In: Renewable energy in the service of mankind. Selected Topics from the World Renewable Energy Congress WREC 2014, Vol 1 (1). Springer International Publishing. ISBN 9783319177762, 9783319177779

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Abstract

NaY Zeolite has been selected as a suitable material to host 1.5 wt% Platinum (Pt) loading on zeolite using ion exchange methods of Pt(NH3)4(NO3)2 without excess NH4NO3 nitrate and Pt(NH3)4(NO3)2 with excess NH4NO3 nitrate. The structure/reactivity relationship of Pt nanoparticle was experimentally studied via Nafion@ bound electrodes to investigate the interaction nature of Pt with zeolite and electron transfer. By using extended X-ray adsorption fine structure technique, Pt particle size was predicted as 0.7 – 1.5 nm. It was found Pt oxides could be electrochemically reduced via a hydrogen ‘spillover’ phenomenon. A highly dispersed small Pt particle distribution can be achieved with excessive H+ ions on zeolite acidic sites.

Additional Information:[chapter 16]
Keywords:Pt/Y zeolite electrocatalyst, Nanoparticle, CV, EXAFS, Fuel Cell
Subjects:F Physical Sciences > F342 Quantum Mechanics
F Physical Sciences > F170 Physical Chemistry
F Physical Sciences > F320 Chemical Physics
F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Engineering
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http://purl.org/dc/terms/isVersionofhttp://eprints.lincoln.ac.uk/16656/
ID Code:18352
Deposited On:12 Aug 2015 10:57

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