Platinum-titanium intermetallic nanoparticle catalysts for oxygen reduction reaction with enhanced activity and durability

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A facile method to prepare Pt-Ti intermetallic nanoparticles supported on carbon was developed. Starting from a commercial Pt/C catalyst, TiO2 layers were formed on the Pt/C then thermal annealing under a reducing condition successfully produced intermetallic Pt-Ti nanoparticles with an average size of 4.2 nm. The intermetallic Pt-Ti/C showed enhanced activity and durability for oxygen reduction reaction due to the change in electronic structure and less aggregation. (C) 2016 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE INC
Issue Date
2016-05
Language
English
Article Type
Article
Keywords

ELECTRONIC-PROPERTIES; TRANSITION-METALS; PARTICLE-SIZE; ELECTROCATALYSIS; CARBON; SURFACES; OXIDATION; SUPPORTS; ALLOYS; PT3TI

Citation

ELECTROCHEMISTRY COMMUNICATIONS, v.66, pp.66 - 70

ISSN
1388-2481
DOI
10.1016/j.elecom.2016.03.007
URI
http://hdl.handle.net/10203/209207
Appears in Collection
CBE-Journal Papers(저널논문)
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