Synthesis of Pt+SnO^sub 2^/C electrocatalysts containing Pt nanoparticles with preferential (100) orientation for direct ethanol fuel cell

The synthesis of Pt + SnO2/C electrocatalyst containing cubic Pt nanoparticles with preferential (100) orientation was performed by an alcohol-reduction process using KBr as a shape directing agent. The order of addition of the Pt and Sn precursors and KBr was crucial to obtain cubic Pt particles an...

Full description

Saved in:
Bibliographic Details
Published inApplied catalysis. B, Environmental Vol. 218; p. 91
Main Authors Antoniassi, RM, Silva, JCM, Neto, A Oliveira, Spinacé, EV
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier BV 05.12.2017
Subjects
Alcohols
Carbon dioxide
Chemical synthesis
Electrocatalysis
Electrocatalysts
Electrochemistry
Ethanol
Fuel technology
Nanoparticles
Orientation
Polycrystals
Reagents
Selectivity
Tin dioxide
Online AccessGet full text

Cover

More Information
Summary:The synthesis of Pt + SnO2/C electrocatalyst containing cubic Pt nanoparticles with preferential (100) orientation was performed by an alcohol-reduction process using KBr as a shape directing agent. The order of addition of the Pt and Sn precursors and KBr was crucial to obtain cubic Pt particles and a SnO2 phase with small particle sizes highly dispersed on the carbon support. Electrochemical and DEFC experiments showed that Pt + SnO2/C electrocatalyst containing Pt nanoparticles with preferential (100) orientation provided superior activity for EOR, power densities and CO2 selectivity compared to Pt + SnO2/C electrocatalyst containing Pt polycrystalline.
ISSN:0926-3373
1873-3883