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Electrospun Pt/SnO2 nanofibers as an excellent electrocatalysts for hydrogen oxidation reaction with ORR-blocking characteristic

Paper ID Volume ID Publish Year Pages File Format Full-Text
50558 46802 2013 4 PDF Available
Title
Electrospun Pt/SnO2 nanofibers as an excellent electrocatalysts for hydrogen oxidation reaction with ORR-blocking characteristic
Abstract

Pt/SnO2 nanofibers were synthesized via electrospinning. The unique electrochemical properties were in evidence based on the activity that allowed a hydrogen oxidation reaction and inhibit an oxygen reduction reaction. A high electrochemically active surface area value of 81.17 m2/g-Pt was achieved with ultra-low Pt loading (4.03 wt.%). The kinetics of a hydrogen oxidation reaction was investigated using a linear sweep voltammetry technique under a hydrogen atmosphere. A diffusion-limited current was achieved at 0.07 V and was stable at a high potential. This preparation technique shows great promise for the design of anode electrocatalyst material for fuel cells.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Pt/SnO2 nanofiber was synthesized using electrospinning. ► Pt nanoparticle can be grown in situ on SnO2 nanofiber matrix. ► Ultra-low Pt loading gave the high electrochemically active surface area value. ► Pt/SnO2 nanofibers is an excellent electrocatalyst for hydrogen oxidation reaction with ORR-blocking characteristic.

Keywords
Pt/SnO2 nanofibers; Anode electrocatalysts; Electrospinning; Hydrogen oxidation reaction
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Electrospun Pt/SnO2 nanofibers as an excellent electrocatalysts for hydrogen oxidation reaction with ORR-blocking characteristic
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 33, 5 March 2013, Pages 11–14
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