Enhancing High Temperature Anode Performance with 2 Degrees Anchoring Phases Email Page
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Performer:  Montana State University Location:  Bozeman, Montana
Project Duration:  10/01/2015 – 07/31/2017 Award Number:  FE0026192
Technology Area:  Solid Oxide Fuel Cells Total Award Value:  $250,000
Key Technology:  Cell Technology DOE Share:  $200,000
Performer Share:  $50,000

Results of flexural strength testing of<br/>model anode structures comprised of<br/>Ni-YSZ (8%) and those doped with different<br/>amounts of aluminum titanate (ALT).
Results of flexural strength testing of
model anode structures comprised of
Ni-YSZ (8%) and those doped with different
amounts of aluminum titanate (ALT).

Project Description

Montana State University (MSU) will develop, characterize, and refine electrode preparation methods to mechanically strengthen the anode support structure and facilitate the binding of sub-micron nickel metal catalysts (diameter < 100 nm) to ion-conducting ceramic scaffolds. Researchers will accomplish this task through the addition of reactive materials in low concentrations that chemically join the percolated ion and electron conducting networks comprising solid oxide fuel cell (SOFC) cermet anodes while simultaneously immobilizing metal catalysts to their support. These 2° phase chemical anchors will serve two distinct purposes: (1) inhibit particle coarsening and other mechanisms that deactivate high surface area catalysts at high temperatures and (2) improve the electrode’s fracture toughness and, hence, flexural strength, thus conferring additional mechanical stability to the entire membrane electrode assembly.

Project Benefits

Key outcomes for this MSU project are the development of methods of fabricating SOFC anodes having high catalytic activity and improved mechanical/thermal stability. These desirable attributes will result from the formation of 2° phases that anchor sub-micron sized cermet metal catalysts to the ion conducting substrate, and conjoin the percolated electronic and ionic conducting networks. Phase I research, if successful, will produce results that can inform and advise commercial production of new anodes and anode materials for larger-scale and longer-term testing.

Presentations, Papers, and Publications

Contact Information

Federal Project Manager Joseph Stoffa: joseph.stoffa@netl.doe.gov
Technology Manager Shailesh Vora: shailesh.vora@netl.doe.gov
Principal Investigator Robert Walker: rawalker@chemistry.montana.edu