Rapid Thermal-Cycling Test Using Thick-Film Electrolyte-Supported Solid Oxide Fuel Cells

被引：3

作者：

Joo, Jong Hoon

Choi, Gyeong Man

机构：

[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea

[2] Pohang Univ Sci & Technol, Fuel Cell Res Ctr, Pohang 790784, South Korea

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2010年 / 13卷 / 03期

关键词：

anodes; cathodes; cerium compounds; cobalt compounds; electrolytes; gadolinium; heat treatment; lanthanum compounds; nickel; rapid thermal processing; sintering; solid oxide fuel cells; strontium compounds; thick films; yttrium compounds; zirconium compounds; YTTRIA-STABILIZED-ZIRCONIA; SOFC STACKS; START-UP; FABRICATION; COMPONENTS; DEPOSITION; PVD;

D O I：

10.1149/1.3276698

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Rapid thermal-cycling tests were performed for the thick-film, electrolyte-supported solid oxide fuel cells (SOFCs). The sintered yttria-stabilized zirconia (YSZ) electrolyte film was mounted on a YSZ ring by sintering the two pieces together. With this configuration, it was possible to cycle the cells between 200 and 800 degrees C with heating and cooling rates up to 50 degrees C/min. Using La(0.6)Sr(0.4)Co(0.2)Fe(0.8)O(3-delta) as a cathode and Ni-GDC (Gd-doped ceria) as a composite anode, the cell with a 50 mu m thick YSZ electrolyte maintained a high performance, i.e., maximum power density of similar to 510 mW/cm(2) at 800 degrees C after thermal cycles. A planar SOFC was highly durable for rapid thermal cycles.

引用

页码：B17 / B20

页数：4

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