About this Abstract |
Meeting |
MS&T23: Materials Science & Technology
|
Symposium
|
Energy Materials for Sustainable Development
|
Presentation Title |
Metal Composite Nano-Catalysts for Enhanced Solid Oxide Fuel Cell Operation and Stability within Hydrocarbon Containing Fuels |
Author(s) |
Saad Waseem, Edward Sabolsky, Katarzyna Sabolsky, Richard Hart, Seunghyuck Hong |
On-Site Speaker (Planned) |
Saad Waseem |
Abstract Scope |
The objective of this work was to improve performance and stability of solid oxide fuel cells (SOFCs) with Ni-based anodes operating with hydrocarbon containing fuels. Ni-based anodes were modified with metal composite nano-catalyst materials to develop a protective coating that aids in internal reforming of the hydrocarbons and reduces carbon buildup. This presentation will demonstrate a bio-inspired surface modification technique that allows for uniform deposition of nano-catalysts within the porous anode structure.
Nano-catalyst depositions were performed on flat single crystal surfaces to define the morphology of the coatings and to study coarsening kinetics. Impregnated symmetrical anode cells and SOFCs were evaluated using electrochemical impedance spectroscopy while operating under varying reformate fuel compositions. Post-mortem microstructure and chemistry characterizations were used in analysis. |