Two-Layer Fuel Cell Electrolyte Structure by Sol-Gel Processing

被引:0
|
作者
Karun Mehta
Ren Xu
Anil V. Virkar
机构
[1] University of Utah,Department of Materials Science and Engineering
关键词
fuel cell; YSZ; thin film processing; solid electrolyte;
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学科分类号
摘要
Thin layers of yttria-stabilized zirconia (YSZ) at 11 mol% Y2O3 doping level was deposited on a sintered disk of Y2O3 doped ceria electrolyte by spin-coating from an alkoxide solution. Dense sintered films were obtained by heat-treatment at 600°C. Open circuit voltage (OCV) was measured across the disk in a fuel cell mode with hydrogen fuel on the ceria side and pure oxygen on the YSZ side. Marked improvement of OCV was obtained on the two-layer electrolyte structure with the sol-gel YSZ film.
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页码:203 / 207
页数:4
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