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Fermi Potential across Working Solid Oxide Cells with Zirconia or Ceria Electrolytes

机译:氧化锆或二氧化铈电解质在固体氧化物电池上的费米电位

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Two kinds of electrochemical relevant potentials are important in order to describe several observed phenomena in operating electrochemical cells with solid electrolytes. This paper gives illustrative examples of how the profiles of the two potential types, the Galvani potential, , and the electromotive - also called the Fermi potential, π, will vary across the electrolyte, and of how the electron leak current density though the electrolyte, which is related to π, will be affected by temperature and cell voltage across the electrolyte in cells based on gadolinia doped ceria (CGO) and on yttria stabilized zirconia (YSZ) electrolytes. The nature of the two potential types and the importance of each of them for the cell operation are explained.
机译:为了描述在使用固体电解质的电化学电池中观察到的几种现象,两种电化学相关的电势很重要。本文举例说明了两种电势类型,即Galvani电势and和电动势(也称为费米电势π)的分布在整个电解质中如何变化,以及电子通过电解质的泄漏电流密度如何变化与π有关,受基于氧化ado掺杂二氧化铈(CGO)和氧化钇稳定的氧化锆(YSZ)电解质的电池中电解质的温度和电压的影响。解释了两种潜在类型的性质以及它们对电池操作的重要性。

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    Dept. of Chemistry, Technical University of Denmark, DK-2800, Kgs. Lyngby, Denmark;

    Dept. of Energy Conversion and Storage, Technical University of Denmark DTU Riso Campus, Frederiksborgvej 399, DK-4000 Roskilde, Denmark;

    Dept. of Energy Conversion and Storage, Technical University of Denmark DTU Riso Campus, Frederiksborgvej 399, DK-4000 Roskilde, Denmark;

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