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Proton modified Pt zeolite fuel cell electrocatalysts

Yao, Jun; Yao, Yufeng; Mirzaii, Hossein

Authors

Jun Yao

Yufeng Yao Yufeng.Yao@uwe.ac.uk
Professor in Aerospace Engineering

Hossein Mirzaii



Abstract

NaY Zeolite is selected as a suitable material to host 1.5 wt% Platinum (Pt) loading on zeolite using ion exchange method (a) Pt(NH3)4(NO3)2 without excess NH4NO3 nitrate and (b) Pt(NH3)4(NO3)2 with excess NH4NO3 nitrate. The structure/reactivity relationship of Pt nanoparticle has been experimentally studied via Nafion@ bound electrodes to investigate the interaction nature of Pt with zeolite and electron transfer using the extended X-ray adsorption fine structure (EXAFS) and Pt particle was predicted at 0.7 – 1.5 (nm). Pt oxides can 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.

Presentation Conference Type Conference Paper (unpublished)
Start Date Aug 3, 2014
Publication Date Aug 3, 2014
Peer Reviewed Peer Reviewed
APA6 Citation Yao, J., Yao, Y., & Mirzaii, H. (2014, August). Proton modified Pt zeolite fuel cell electrocatalysts. Paper presented at World Renewable Energy Congress WREC XIII
Keywords Pt/Y zeolite electrocatalyst, nanoparticle, CV, EXAFS, fuel cell
Publisher URL http://www.wrenuk.co.uk/wrec08/Announcement1.pdf
Related Public URLs http://www.wrenuk.co.uk/seminars/World%20Renewable%20Energy%20Congress%20WREC%20XIII,%20Final%20report.pdf
Additional Information Title of Conference or Conference Proceedings : World Renewable Energy Congress WREC XIII

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