Slip casting combined with colloidal spray coating in fabrication of tubular anode-supported solid oxide fuel cells

被引：41

作者：

Ding, Jiao ^{[1
]}

Liu, Jiang ^{[1
]}

Yuan, Wensheng ^{[1
]}

Zhang, Yaohui ^{[1
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2008年 / 28卷 / 16期

关键词：

Solid oxide fuel cell; Anode-supported; Tubular; Slip casting; Colloidal spray coating;

D O I：

10.1016/j.jeurceramsoc.2008.05.033

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A simple and cost-effective slip casting technique was successfully developed to fabricate NiO-YSZ anode substrates for tubular anode-supported single SOFCs. An YSZ electrolyte film was coated on the anode substrates by colloidal spray coating technique. A single cell, NiO-YSZ/YSZ (20 mu m)/LSM-YSZ, using the tubular anode supports with YSZ coating, was assembled and tested to demonstrate the feasibility of the techniques applied. Using humidified hydrogen (75 ml/min) as fuel and ambient air as oxidant, the maximum power densities of the cell were 760 mW/cm(2) and 907 mW/cm(2) at 800 degrees C and 850 degrees C, respectively. The observed OCV was closed to the theoretical value and the SEM results revealed that the microstructure of the anode fabricated by slip casting is porous while the electrolyte film coated by colloidal spray coating is dense. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3113 / 3117

页数：5

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