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Fabrication and Characteristics of Anode-supported Flat-tube Solid Oxide Fuel Cell by Jong-Hee Kim; Rak-Hyun Song; Keun-Suk Song; Sang-Hoon Hyun; Dong-Ryul Shin; Harumi Yokokawa is a Engineering article available to read on EtoBox.

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An anode-supported flat-tube solid oxide fuel cell (SOFC) is developed to increase the cell power density and thermal stability by combining tubular and planar cell structures. The anode-supported flat tube is fabricated by an extrusion process. The porosity and pore size of the Ni/YSZ (8 mol% yttria-stabilized zirconia) cermet anode are 50.6% and 0.23 m, respectively. The Ni particles are distributed uniformly and are well connected to each other in the cermet. An electrolyte of YSZ and a multi-layered cathode of a (La 0.85 Sr 0.15 ) 0.9 MnO 3 (LSM)/YSZ composite, LSM, and La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3 (LSCF) are coated on the anode tube by slurry dip coating. The anode-supported flat-tube cell produces 225 mW cm -2 (0.6 V, 375 mA cm -2 ) at 750 • C. A ceramic interconnect for the cell stack, La 0.75 Ca 0.27 CrO 3 (LCC), is synthesized by the Pechini method and is coated on the anode substrate by a plasma spray. A dense layer is obtained. A metallic interconnection plate of Fe-16Cr alloy is coated with LSM by a slurry dip coating process and sintered in a Ar + 10% H 2 atmosphere. The resistance of the LSM-coated alloy is 148 m cm 2 at 750 • C and decreases to 43 m cm 2 after 450

Who reads Fabrication and Characteristics of Anode-supported Flat-tube Solid Oxide Fuel Cell?

Author

Jong-Hee Kim; Rak-Hyun Song; Keun-Suk Song; Sang-Hoon Hyun; Dong-Ryul Shin; Harumi Yokokawa

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-7753)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)