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High active PtAu/C catalyst with core–shell structure for oxygen reduction reaction

Paper ID Volume ID Publish Year Pages File Format Full-Text
51661 46849 2010 4 PDF Available
Title
High active PtAu/C catalyst with core–shell structure for oxygen reduction reaction
Abstract

Ultra-low Pt catalysts with Ptshell–Aucore nanostructure were prepared by seed mediate method for oxygen reduction reaction (ORR). The as-prepared catalysts were characterized by transmission electron microscopy (TEM) and UV–Vis measurements. The ORR activities of the catalysts were studied by electrochemical measurements and single cell tests, respectively. The results indicate that the PtAu/C (Pt: Au = 3:2, Pt + Au = 4 wt.%) catalyst exhibits the core–shell nanostructure and attractive catalytic activity in both electrochemical test and single cell test. The Ptshell–Aucore nanostructure is promising for application to lower the cost of PEMFCs.

Keywords
PEM fuel cells; Oxygen reduction reaction; Low-Pt catalyst; Core–shell structure
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High active PtAu/C catalyst with core–shell structure for oxygen reduction reaction
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 5, 25 January 2010, Pages 434–437
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us