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Electro-oxidation of ethanol on carbon supported PtSn and PtSnNi catalysts

Lookup NU author(s): Nur Hidayati, Emeritus Professor Keith Scott

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).

Abstract

Copyright © 2016 BCREC GROUP. All rights reserved. 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 improve 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.

Publication metadata

Author(s): Hidayati N, Scott K

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2nd International Conference on Chemical and Material Engineering 2015 (ICCME 2015)

Year of Conference: 2015

Pages: 10-20

Acceptance date: 01/02/2016

Date deposited: 05/05/2017

ISSN: 1978-2993

Publisher: Diponegoro University

URL: https://doi.org/10.9767/bcrec.11.1.399.10-20

DOI: 10.9767/bcrec.11.1.399.10-20

Series Title: Bulletin of Chemical Reaction Engineering and Catalysis

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