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Extension of the Alekseev-Popov-Kolotyrkin model to systems where adsorption obeys the frumkin isotherm and is accompanied by partial charge-transfer - analysis of the equilibrium capacitance of the double-layerстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
- Авторы: Damaskin B.B., Baturina O.A.
- Журнал: Russian Journal of Electrochemistry
- Том: 31
- Номер: 2
- Год издания: 1995
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 87
- Последняя страница: 95
- Аннотация: In the framework of the Alekseev-Popov-Kolotyrkin model complemented by the Frumkin isotherm and by the condition of the microscopic partial charge transfer (in terms of Lorenz-Salie), equations are derived that take into account the adsorption of ions and neutral molecules and allow the coverage, net electrode charge, and equilibrium differential capacitance to be calculated as functions of the electrode potential. Even extremely small values of the coefficient lambda of partial charge transfer (on the order -0.02) are shown to significantly affect the adsorption energy and its dependence on the potential. Consequently, the values \lambda\ greater-than-or-equal-to 0.1 for the adsorption of organic ions or molecules at the mercury electrode appear to be physically unrealistic.
- Добавил в систему: Дамаскин Борис Борисович