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The electrodeposition and electrocatalytic properties of copper-palladium alloys

The electrodeposition and electrocatalytic properties of copper-palladium alloys
The electrodeposition and electrocatalytic properties of copper-palladium alloys
The codeposition of copper and palladium from solutions of CuSO4 and PdSO4 in 0.6 M HClO4 is investigated using microdisc voltammetry. It is shown that good quality coatings of CuPd may be deposited and the composition may be controlled either through the deposition potential or the Cu(II)/Pd(II) ratio in solution. While the deposits seem to be amorphous and the copper can be dissolved anodically, the voltammetry indicates that the palladium stabilises the copper to dissolution. The CuPd alloys are effective catalysts for nitrate reduction in alkaline media.
behavior, reduction, pd, nitrate, electrocatalysis, nitrite, cupd alloys, alkaline-solutions, hydrogen, basic solutions, corrosion stability, water, electrodeposition
1572-6657
24-30
Milhano, Clelia
4b152827-5667-4118-bb24-32c07d17a3c5
Pletcher, Derek
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Milhano, Clelia
4b152827-5667-4118-bb24-32c07d17a3c5
Pletcher, Derek
f22ebe69-b859-4a89-80b0-9e190e6f8f30

Milhano, Clelia and Pletcher, Derek (2008) The electrodeposition and electrocatalytic properties of copper-palladium alloys. Journal of Electroanalytical Chemistry, 614 (1-2), 24-30. (doi:10.1016/j.jelechem.2007.11.001).

Record type: Article

Abstract

The codeposition of copper and palladium from solutions of CuSO4 and PdSO4 in 0.6 M HClO4 is investigated using microdisc voltammetry. It is shown that good quality coatings of CuPd may be deposited and the composition may be controlled either through the deposition potential or the Cu(II)/Pd(II) ratio in solution. While the deposits seem to be amorphous and the copper can be dissolved anodically, the voltammetry indicates that the palladium stabilises the copper to dissolution. The CuPd alloys are effective catalysts for nitrate reduction in alkaline media.

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More information

Published date: 15 March 2008
Keywords: behavior, reduction, pd, nitrate, electrocatalysis, nitrite, cupd alloys, alkaline-solutions, hydrogen, basic solutions, corrosion stability, water, electrodeposition

Identifiers

Local EPrints ID: 54485
URI: http://eprints.soton.ac.uk/id/eprint/54485
ISSN: 1572-6657
PURE UUID: 0eef00ce-e413-4d80-9263-d4b5bc7da1e0

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Date deposited: 06 Aug 2008
Last modified: 13 Mar 2019 20:38

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Contributors

Author: Clelia Milhano
Author: Derek Pletcher

University divisions

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