| Dynamic electro-chemo-mechanical analysis during cyclic voltammetry. | |
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MedLine Citation:
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PMID: 21881629 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We report and validate a method for measuring the strain-response, ς, of the electrode potential of electrically conductive solids in a fluid electrolyte. Simultaneously with cyclic voltammetry, the electrode is subjected to cyclic elastic strain at frequencies of up to 100 Hz. We explore three independent strategies for separating the cyclic variation of potential or current from the voltammogram proper, and find that the results of all three are in quantitative agreement. By means of an example we explore dominantly capacitive processes at a gold electrode in H(2)SO(4) and HClO(4). The response parameter ς is not sensitive to the nature of the electrolyte. Yet, its value varies by more than a factor of two in the potential interval investigated. The potential of largest magnitude of ς agrees closely with the potential of zero charge. |
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Authors:
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Maxim Smetanin; Qibo Deng; Jörg Weissmüller |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-31 |
Journal Detail:
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Title: Physical chemistry chemical physics : PCCP Volume: - ISSN: 1463-9084 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-9-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100888160 Medline TA: Phys Chem Chem Phys Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Institut für Werkstoffphysik und Technologie, Technische Universität Hamburg-Harburg, Hamburg, Germany. maxim.smetanin@tu-harburg.de. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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