Structural and electrochemical properties of interconnect integrated solid oxide fuel cell

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Interconnect integrated solid oxide fuel cells (II-SOFC) have remaining design and process issues due to their differences in thermal and mechanical properties between metal and non-metal materials. In this work, a lightweight design of an II-SOFC using metal foam and a high temperature sinter-joining process, which is one of the less expensive fabrication methods, is proposed for mobile and automotive applications, and the electrochemical performance is evaluated. 8 mol% of Y2O3 stabilized ZrO2 (8YSZ) is used as electrolyte and NiO/8YSZ as anode material. Ce0.9Gd0.1O1.9 (CG091) and Ba0.5Sr0.5CO0.8Fe0.2O3-d (BSCF)/Sm0.2Ce0.8O1.9 (SDC) are used as the in-situ buffer layer and in-situ composite cathode, respectively; to avoid oxidation of the metal interconnect, no additional sintering process is employed. A very strong bonding property is achieved at the ceramic-metal interface; the cell has a maximum, power density of 0.37 W cm(-2) at 800 degrees C in hydrogen operating conditions. (C) 2016 Elsevier Ltd. All rights reserved
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2016-10
Language
English
Article Type
Article
Keywords

METAL-SUPPORTED SOFCS; JOINING PROCESS; FABRICATION; ELECTROLYTE; PERFORMANCE; SPRAY; ANODE

Citation

MATERIALS RESEARCH BULLETIN, v.82, pp.126 - 129

ISSN
0025-5408
DOI
10.1016/j.materresbull.2016.01.053
URI
http://hdl.handle.net/10203/213150
Appears in Collection
ME-Journal Papers(저널논문)
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