Electro-oxidation of Ethanol on Carbon Supported PtSn and PtSnNi Catalysts

*Nur Hidayati -  Department of Chemical Engineering, Universitas Muhammadiyah Surakarta, Jl. A. Yani Tromol Pos 1 Pabelan Kartasura, Surakarta,, Indonesia
Keith Scott -  School of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
Received: 10 Nov 2015; Revised: 1 Feb 2016; Accepted: 1 Feb 2016; Published: 1 Apr 2016; Available online: 10 Mar 2016.
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Abstract

Even though platinum is known as an active electro-catalyst for ethanol oxidation at low temperatures (< 100 oC), choosing the electrode material for ethanol electro-oxidation is a crucial issue. It is due to its property which easily poisoned by a strong adsorbed species such as CO. PtSn-based electro-catalysts have been identified as better catalysts for ethanol electro-oxidation. The third material is supposed to improved binary catalysts performance. This work presents a study of the ethanol electro-oxidation on carbon supported Pt-Sn and Pt-Sn-Ni catalysts. These catalysts were prepared by alcohol reduction. Nano-particles with diameters between 2.5-5.0 nm were obtained. The peak of (220) crystalline face centred cubic (fcc) Pt phase for PtSn and PtSnNi alloys was repositioned due to the presence of Sn and/or Ni in the alloy. Furthermore, the modification of Pt with Sn and SnNi improved ethanol and CO electro-oxidation. Copyright © 2016 BCREC GROUP. All rights reserved

Received: 10th November 2015; Revised: 1st February 2016; Accepted: 1st February 2016

How to Cite: Hidayati, N., Scott, K. (2016). Electro-oxidation of Ethanol on Carbon Supported PtSn and PtSnNi Catalysts. Bulletin of Chemical Reaction Engineering & Catalysis, 11 (1): 10-20. (doi:10.9767/bcrec.11.1.399.10-20)

Permalink/DOI: http://dx.doi.org/10.9767/bcrec.11.1.399.10-20

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Keywords
electro-oxidation; electro-catalyst; PtSnNi Catalyst; PtSn Catalyst; bifunctional mechanism

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