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Ultra-low Pt-decorated NiCu bimetallic alloys nanoparticles supported on reduced graphene oxide for electro-oxidation of methanol

Published online by Cambridge University Press:  26 July 2018

Ammar Bin Yousaf Open the ORCID record for Ammar Bin Yousaf [Opens in a new window] ,
Sajeda Adnan Mutlaq Alsaydeh ,
Fathima Sifani Zavahir ,
Peter Kasak  and
Syed Javaid Zaidi
Ammar Bin Yousaf*
Affiliation:
Center for Advanced Materials, Qatar University, Doha 2713, Qatar
Sajeda Adnan Mutlaq Alsaydeh
Affiliation:
Center for Advanced Materials, Qatar University, Doha 2713, Qatar
Fathima Sifani Zavahir
Affiliation:
Center for Advanced Materials, Qatar University, Doha 2713, Qatar
Peter Kasak
Affiliation:
Center for Advanced Materials, Qatar University, Doha 2713, Qatar
Syed Javaid Zaidi*
Affiliation:
Center for Advanced Materials, Qatar University, Doha 2713, Qatar
*
*Address all correspondence to Yousaf and Zaidi at [email protected], [email protected], [email protected] and [email protected]
*Address all correspondence to Yousaf and Zaidi at [email protected], [email protected], [email protected] and [email protected]
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Abstract

The selectivity of catalyst is an essential factor in direct methanol fuel cells (DMFCs) and plays an important role to improve their performance. To this end, platinum (Pt)-based low-cost trimetallic catalysts have been developed. The catalyst comprising ultra-low Pt-decorated NiCu bimetallic alloys nanoparticles fabricated on reduced graphene oxide (rGO). The series of Pt-NiCu/rGO nanocomposites were synthesized with different compositions to obtain the optimal conditioned material. The electrochemical results showed good performance for the electro-oxidation of methanol at anodic end of DMFCs. These outcomes opened up a broad avenue for developing lower cost-active catalysts with better performance for DMFCs.

Type
Research Letters
Information
MRS Communications , Volume 8 , Issue 3 , September 2018 , pp. 1050 - 1057
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Copyright
Copyright © Materials Research Society 2018 

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