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Sonovoltammetry of oxygen at Cu-Ni alloy electrodes: Activation of alloy electrodes and sono-ring-disk voltammetry

Abstract:

The electrochemical reduction of dioxygen at cupronickel (Cu-30Ni) alloy electrodes is studied in alkaline 1.0 M KOH aqueous solution in the presence of intense ultrasound and compared to the case of the reduction of oxygen at platinum. In the presence of ultrasound an overall four-electron reduction process is detected at a freshly polished Cu-30Ni alloy electrode but the response is shown to diminish after scanning the potential positive. In contrast to the case of pure copper or pure nicke...

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Publication status:
Published

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Publisher copy:
10.1149/1.1837953

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume:
144
Issue:
9
Pages:
3019-3026
Publication date:
1997-09-01
DOI:
ISSN:
0013-4651
Source identifiers:
45652
Language:
English
UUID:
uuid:0603bdb7-3681-4a35-a7fa-a47bf4ea768b
Local pid:
pubs:45652
Deposit date:
2012-12-19

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