Aging Characteristic of Pt/YSZ Electrode Structure

Abstract

Abstract: By means of SEM observation and complex AC impedance, as well as I-V polarization curve,
the electrics characteristic and electrode appearance of Pt/YSZ(yttria stabilized zirconia) electrode structure at different aging
time were studied. In addition, a new model of the electrode and electrolyte interface (Pt/YSZ) was proposed, the length of triple
phase boundary of the electrode at different aging time was calculated by using this model. Both the experimental result and the result calculated by using
the theoretic model show that the electrics characteristic and electrode appearance of Pt/YSZ will obviously change with aging time.

Key words: yttria stabilized zirconia, aging, triple phase boundary of Pt/Gas/YSZ

CLC Number:

TQ174

JIAN Jia-Wen,YANG Bang-Chao,ZHANG Yi-Kang. Aging Characteristic of Pt/YSZ Electrode Structure[J]. Journal of Inorganic Materials.

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Aging Characteristic of Pt/YSZ Electrode Structure

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