Sonochemical synthesis of hollow Pt alloy nanostructures on carbon nanotubes with enhanced electrocatalytic activity for methanol oxidation reaction

Hollow CoNiPt ternary alloy nanostructures loaded on carboxylated multiwalled carbon nanotubes (c-MWCNTs) are facilely synthesized under a sonochemical condition. The as-prepared CoNiPt/c-MWCNTs hybrid exhibits enhanced electrocatalytic activity and improved stability for methanol oxidation reaction...

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Bibliographic Details
Published in:International journal of hydrogen energy 2015-11, Vol.40 (41), p.14416-14420
Main Authors: Zhang, Xuan, Zhang, Bei, Li, Xu-Dong, Ma, Li-Xia, Zhang, Jia-Wei
Format: Article
Language:English
Subjects:
Electrocatalyst
Fuel cells
Methanol oxidation reaction
Nanostructured composite materials
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Summary:Hollow CoNiPt ternary alloy nanostructures loaded on carboxylated multiwalled carbon nanotubes (c-MWCNTs) are facilely synthesized under a sonochemical condition. The as-prepared CoNiPt/c-MWCNTs hybrid exhibits enhanced electrocatalytic activity and improved stability for methanol oxidation reaction (MOR), much superior to the corresponding pure Pt, binary CoPt and NiPt counterparts. The green sonochemical synthesis of CoNiPt/c-MWCNTs composite provides a promising strategy for developing of high-performance Pt-based catalysts for the MOR in fuel cells. [Display omitted] •Green sonochemical synthesis.•Novel hollow CoNiPt alloy nanostructures anchored on carbon nanotubes.•Enhanced electrocatalytic activity for methanol oxidation reaction.•Improved electrochemical stability.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2015.03.142