Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 12, Issue 5, Pages 657-660Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.02.024
Keywords
Micro-tubular SOFC; Phase-inversion; Dip-coating; Co-sintering
Categories
Funding
- Heterogeneous Functional Materials for Energy Systems
- DoE Office of Basic Energy Sciences [DE-SC0001061]
- SC Space Grant Consortium
- South Carolina Research Authority
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A novel structured micro-tubular solid oxide fuel cell (MT-SOFC) has been fabricated by combining a phase-inversion, dip-coating and high temperature co-sintering process with impregnation of the electrode catalyst into a porous electrode matrix. The asymmetric porous anode made by phase-inversion is divided into two different layers, a thick fuel delivery layer with large finger-like pores and a thin function layer with small finger-like pores. The MT-SOFC demonstrates maximum power densities of 0.44, 0.54, 0.65 and 0.78 W/cm(2) at 650, 700, 750 and 800 degrees C, respectively with H-2-15%H2O as fuel and ambient air as oxidant. Combining the power output with the quick start-up behavior, novel structured MT-SOFC offers a potential solution for rapid start-up high performance power devices. (c) 2010 Elsevier B.V. All rights reserved.
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