Enhanced performance of direct ethanol fuel cell using Pt/MWCNTs as anodic electrocatalyst

Platinum nanoparticles with a size distribution ranging from 3 to 6 nm were synthesized at room temperature by chemical reduction of platinum chloride, using NaBH 4 as the reduction reagent and poly( N -vinylpyrrolidone) as the stabilizer. The Pt colloidal nanoparticles obtained were deposited onto...

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Bibliographic Details
Published in:Journal of applied electrochemistry 2015-11, Vol.45 (11), p.1205-1210
Main Authors: Ordóñez, L. C., Escobar, B., Barbosa, R., Verde-Gómez, Y.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Electrochemistry
Industrial Chemistry/Chemical Engineering
Physical Chemistry
Research Article
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Summary:Platinum nanoparticles with a size distribution ranging from 3 to 6 nm were synthesized at room temperature by chemical reduction of platinum chloride, using NaBH 4 as the reduction reagent and poly( N -vinylpyrrolidone) as the stabilizer. The Pt colloidal nanoparticles obtained were deposited onto multi-walled carbon nanotubes (MWCNTs) synthesized by the chemical vapor deposition method. Pt/MWCNTs prepared with a metal content of 20 wt% was evaluated as the anode electrocatalyst in a 9 cm 2 direct ethanol fuel cell using PtRu/C as the cathode material. Both electrodes had a metal loading of 1 mgPt cm −2 . Polarization curves showed higher electroactivity for Pt/MWCNTs than commercial material (Pt/C). Graphical Abstract
ISSN:0021-891X
1572-8838
DOI:10.1007/s10800-015-0854-8