Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    A model of electrodeposition and electrodissolution at electrode surfaces in aqueous solution is presented. The description is based on the assumption that redox reaction of water is the more important process controlling the electrode kinetics. Chronoamperometric measurements and experiments of cyclic voltammetry indicate that the current fundamentally is proportional to inverse time. It was proposed that redox-active species different from water never touch the surface but they predominantly interact with surface-active hydrogen or oxygen formed at the surface by redox processes of water. An excellent correspondence was found between the number of ideal-gas molecules in a monolayer at the electrode surface and the charge required, as to dissolve one monolayer of electrodeposited metal. The linear relation between standard enthalphy of metal-oxide formation and standard-reduction potential shows that metal oxide formation at the electrode corresponds to oxidation of a metal in an atmosphere of oxygen.

    Original languageEnglish
    Title of host publicationECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting
    Pages25-35
    Number of pages11
    Volume16
    Edition46
    DOIs
    Publication statusPublished - 2008
    EventMolecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting - Honolulu, HI, United States
    Duration: Oct 12 2008Oct 17 2008

    Other

    OtherMolecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting
    CountryUnited States
    CityHonolulu, HI
    Period10/12/0810/17/08

    Fingerprint

    Electrolytes
    Electrodes
    Metals
    Experiments
    Monolayers
    Water
    Oxides
    Oxygen
    Redox reactions
    Electrodeposition
    Cyclic voltammetry
    Oxidation
    Hydrogen
    Molecules
    Kinetics
    Gases
    Oxidation-Reduction

    All Science Journal Classification (ASJC) codes

    • Engineering(all)

    Cite this

    Andersen, J. E. T. (2008). Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte. In ECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting (46 ed., Vol. 16, pp. 25-35) https://doi.org/10.1149/1.3169316
    Andersen, J. E T. / Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte. ECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting. Vol. 16 46. ed. 2008. pp. 25-35
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    abstract = "A model of electrodeposition and electrodissolution at electrode surfaces in aqueous solution is presented. The description is based on the assumption that redox reaction of water is the more important process controlling the electrode kinetics. Chronoamperometric measurements and experiments of cyclic voltammetry indicate that the current fundamentally is proportional to inverse time. It was proposed that redox-active species different from water never touch the surface but they predominantly interact with surface-active hydrogen or oxygen formed at the surface by redox processes of water. An excellent correspondence was found between the number of ideal-gas molecules in a monolayer at the electrode surface and the charge required, as to dissolve one monolayer of electrodeposited metal. The linear relation between standard enthalphy of metal-oxide formation and standard-reduction potential shows that metal oxide formation at the electrode corresponds to oxidation of a metal in an atmosphere of oxygen.",
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    Andersen, JET 2008, Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte. in ECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting. 46 edn, vol. 16, pp. 25-35, Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting, Honolulu, HI, United States, 10/12/08. https://doi.org/10.1149/1.3169316

    Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte. / Andersen, J. E T.

    ECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting. Vol. 16 46. ed. 2008. p. 25-35.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    AB - A model of electrodeposition and electrodissolution at electrode surfaces in aqueous solution is presented. The description is based on the assumption that redox reaction of water is the more important process controlling the electrode kinetics. Chronoamperometric measurements and experiments of cyclic voltammetry indicate that the current fundamentally is proportional to inverse time. It was proposed that redox-active species different from water never touch the surface but they predominantly interact with surface-active hydrogen or oxygen formed at the surface by redox processes of water. An excellent correspondence was found between the number of ideal-gas molecules in a monolayer at the electrode surface and the charge required, as to dissolve one monolayer of electrodeposited metal. The linear relation between standard enthalphy of metal-oxide formation and standard-reduction potential shows that metal oxide formation at the electrode corresponds to oxidation of a metal in an atmosphere of oxygen.

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    Andersen JET. Correspondence between experiment and theory of bulk electrocrystallisation at solid electrodes in aqueous electrolyte. In ECS Transactions - Molecular Structure of the Solid-Liquid Interface and its Relationship to Electrodeposition 6 - 214th ECS Meeting. 46 ed. Vol. 16. 2008. p. 25-35 https://doi.org/10.1149/1.3169316