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akron1312225644.pdf (2.19 MB)
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Abstract Header
LSCF Synthesis and Syngas Reactivity over LSCF-modified Ni/YSZ Anode
Author Info
Mirzababaei, Jelvehnaz
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=akron1312225644
Abstract Details
Year and Degree
2011, Master of Science in Engineering, University of Akron, Chemical Engineering.
Abstract
Simulated coal syngas reactivity over Ni/YSZ and LSCF (La
0.6
Sr
0.4
Co
0.2
Fe
0.8
)-modified Ni/YSZ anode of SOFC (solid oxide fuel cell) was investigated in this study. The contribution of H
2
and CO oxidation to total current density generation was determined from the electrochemical measurement and gas effluent analysis of the SOFC reactor. H
2
oxidation was the dominant oxidation reaction over the Ni/YSZ anode reactions. Adding the LSCF on the Ni/YSZ anode increased the rate of CO oxidation, resulting in almost equal rate of H
2
and CO oxidation. High oxidation rate of coke over LSCF-Ni/YSZ resulted in low carbon deposition on the anode surface. High oxidation rate of carbon was attributed to the high ionic conductivity of the LSCF which provided large amount of oxygen ions for fast oxidation of coke. LSCF was synthesized through the pechini method by replacing the standard calcination process with rapid combustion. Microstructure analysis, crystallography and resistivity measurement of the synthesized LSCF demonstrated similar properties to those of standard calcined LSCF. This result indicates that rapid combustion is a promising method for substitution of standard calcination process.
Committee
Steven Chuang, Dr. (Advisor)
Bi-min Zhang Newby, Dr. (Committee Member)
Gang Cheng, Dr. (Committee Member)
Pages
74 p.
Subject Headings
Chemical Engineering
Keywords
SOFC
;
LSCF
;
syngas
;
anode
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Citations
Mirzababaei, J. (2011).
LSCF Synthesis and Syngas Reactivity over LSCF-modified Ni/YSZ Anode
[Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1312225644
APA Style (7th edition)
Mirzababaei, Jelvehnaz.
LSCF Synthesis and Syngas Reactivity over LSCF-modified Ni/YSZ Anode.
2011. University of Akron, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=akron1312225644.
MLA Style (8th edition)
Mirzababaei, Jelvehnaz. "LSCF Synthesis and Syngas Reactivity over LSCF-modified Ni/YSZ Anode." Master's thesis, University of Akron, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1312225644
Chicago Manual of Style (17th edition)
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Document number:
akron1312225644
Download Count:
551
Copyright Info
© 2011, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.