期刊
SURFACE & COATINGS TECHNOLOGY
卷 201, 期 7, 页码 4484-4488出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2006.08.045
关键词
electrophoretic deposition; zirconium oxide; solid oxide fuel cells; thin films; scanning electron microscopy
The main purpose of this study was to create crack-free thin film electrolyte coatings for solid oxide fuel cells at low cost. Electrophoretic deposition (EPD) technique was employed to prepare dense yttria-stabilized zirconia (YSZ) thin films on stainless steel and porous strontium-doped lanthanum. manganite (LSM) substrates. The LSM substrates were produced by slurry casting and subsequent sintering. The suspensions of YSZ were prepared in pure acetylacetone, ethanol, and in mixtures of the two. The deposition experiments were performed with the YSZ suspensions in different solvents to examine the effects of the solvent on the EPD behavior. The effects of current density and powder concentration on the EPD rate were also studied. The deposited films were dried at room temperature and then sintered at high temperatures. The microstructures of the sintered coatings were observed with scanning electron microscopy. By using a partially sintered LSM substrate and an optimized set of deposition conditions, dense and continuous YSZ thin film coatings with thicknesses less than 10 gm were achieved. (c) 2006 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据