A model for the coupled transport of ions and electrons in redox conductive microcrystals |
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| Authors: | Milivoj Lovri? Fritz Scholz |
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| Institution: | Center for Marine Research Zagreb, “Ruder Bo?kovi?” Institute, P.O.B 1016, 10001 Zagreb, Croatia,
E.-M. Arndt-Universit?t Greifswald Institut für Chemie, Soldtmannstrasse 23, D-17489 Greifswald, Germany, DE
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| Abstract: | Coupled diffusion of ions and electrons in microcrystals of insertion compounds immobilized at an electrode surface is theoretically
analysed by a lattice-gas model without interactions. The transport in the direction perpendicular to the electrode surface
depends on Wagner's factor for electrons, while the transport parallel to the electrode depends on this factor for ions. The
iso-concentration profiles may depend on the orientation of the particle on the electrode surface. Chronoamperometric responses
of volume and surface redox reactions are calculated.
Received: 5 June 1998 / Accepted: 22 August 1998 |
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| Keywords: | Solid state chronoamperometry Coupled transport Insertion electrodes |
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