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Aerosol Jet Printing of LSCF-CGO Cathode for Solid Oxide Fuel Cells

Gardner, Paul
http://rave.ohiolink.edu/etdc/view?acc_num=wright1316166020

Abstract Details

2011, Master of Science (MS), Wright State University, Chemistry.
Solid oxide fuel cell (SOFC) technology has attracted great attention due to advantages such as low emissions and high efficiency. In this work, solid oxide fuel cells were fabricated by incorporating functional layers deposited by a novel aerosol jet® printing method. The buffer and cathode layers were printed from gadolinium doped ceria (Ce0.9Gd0.1)O1.95 (CGO) and La0.6Sr0.4Co0.2Fe0.8O3 (LSCF) inks, respectively. The CGO layer was deposited on the sintered electrolyte and then LSCF was subsequently deposited onto the CGO layer. The polarization curves showed a 19% improvement in current density using LSCF as the cathode instead of LSM. Cathode grain size was shown to change by 85% over the sintering temperatures examined. Lastly, the effect that ethyl cellulose additive had on the resulting cathode was determined. It was discovered that the porosity of the microstructure was not correlated to the additive's molecular weight. The actual causes of the cathode porosity may be the order of polymer branching or the ethoxy content of the ethyl cellulose.
Eric Fossum, PhD (Advisor)
David Grossie, PhD (Committee Chair)
Rachel Aga, PhD (Committee Chair)
69 p.
Chemistry
solid oxide fuel cell; SOFC; LSCF; cathode; LSM; fuel cell; aerosol jet; aerosol jet deposition; aerosol jet deposition technique; Optomec; AJDT;

Recommended Citations

Citations

  • Gardner, P. (2011). Aerosol Jet Printing of LSCF-CGO Cathode for Solid Oxide Fuel Cells [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1316166020

    APA Style (7th edition)

  • Gardner, Paul. Aerosol Jet Printing of LSCF-CGO Cathode for Solid Oxide Fuel Cells. 2011. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1316166020.

    MLA Style (8th edition)

  • Gardner, Paul. "Aerosol Jet Printing of LSCF-CGO Cathode for Solid Oxide Fuel Cells." Master's thesis, Wright State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1316166020

    Chicago Manual of Style (17th edition)

wright1316166020
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© 2011, all rights reserved.
This open access ETD is published by Wright State University and OhioLINK.