IMPEDANCE MEASUREMENTS OF PLATINUM-ELECTRODES ON A SOLID PROTONIC CONDUCTOR

被引：5
作者：
CHEHAB, SF
CANADAY, JD
KURIAKOSE, AK
AHMAD, A
WHEAT, TA
KOMOROWSKI, PG
机构：
[1] ENERGY MINES & RESOURCES CANADA,CANMET,MINERAL SCI LAB,OTTAWA K7A 0G7,ON,CANADA
[2] UNIV TORONTO,DEPT MET & MAT SCI,TORONTO M5S 1A4,ONTARIO,CANADA
来源：
SOLID STATE IONICS | 1993年 / 59卷 / 1-2期
关键词：
D O I：
10.1016/0167-2738(93)90238-X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Non-blocking electrode processes in a protonic conductor, bonded hydronium-NASICON, have been investigated at room temperature by Impedance Spectroscopy. A comparison of the platinum-paste electrode morphology and reactions with those of ZrO2-based cells is given. The electrode impedance shows a dramatic change when varying the hydrogen partial pressure P(H2). The frequency dispersion (impedance) data have been successfully analyzed using the Boukamp EQIVCT fitting program, and an equivalent circuit has been accordingly presented. The rise of diffusion-controlled effects at low P(H2), is also manifested.
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页码：125 / 132
页数：8
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