MSOFC development status
Conference
·
OSTI ID:10194907
Objective is to develop materials and fabrication methodologies to develop a monolithic solid oxide fuel cell (MSOFC) system capable of meeting performance, life, and cost goals for coal-derived fuel applications. The program is aimed at fabrication and testing of a 100-W stack. The MSOFC is an all-ceramic structure in which cell components are configured in a compact, corrugated array; the electrolyte is zirconia, anode is Ni/Y{sub 2}O{sub 3}-ZrO{sub 2} cermet, cathode is doped LaMnO{sub 3}, and interconnects are doped LaCrO{sub 3}. Fabrication sequence is shown, along with electrochemical performance. Baseline anode formulation shrinks when exposed to hydrogen, causing cell curvature and stack delamination; new anode compositions are being developed. Sealants are being developed at Argonne. Thermal expansion mismatches need to be taken into account.
- Research Organization:
- Allied-Signal Aerospace Co., Torrance, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC21-89MC26006
- OSTI ID:
- 10194907
- Report Number(s):
- DOE/MC/26006--94/C0252; CONF-930893--38; ON: DE94003192; BR: AA1505000/AA1510050
- Country of Publication:
- United States
- Language:
- English
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