Novel Nanostructure Tailored Highly Active & Stable Electro-Catalytic Architecture on Surface of Cathode of SOFCS

 

Performance of a button cell with a baseline cathode<br/>and a surface modified cathode.
Performance of a button cell with a baseline cathode
and a surface modified cathode.
Performer: 
West Virginia University Research Corporation
Website:  West Virginia University
Award Number:  FE0023386
Project Duration:  10/01/2014 – 03/31/2018
Total Award Value:  $635,958
DOE Share:  $500,000
Performer Share:  $135,958
Technology Area:  Solid Oxide Fuel Cells
Key Technology: 
Location:  Morgantown, West Virginia

Project Description

West Virginia University (WVU) will improve the power density and durability of commercial solid oxide fuel cells (SOFCs) through tailoring the nanostructure of the surface of cathodes. Cathodes possess complex three dimensional topographies, which will be improved through atomic layer deposition (ALD) coating and thermal treatment. The target material systems of the composite electrodes are lanthanum strontium manganite/yttria-stabilized zirconia (LSM/YSZ) and lanthanum strontium cobalt ferrite/samaria-doped ceria (LSCF/SDC). Emphasis will be towards applications at temperatures of 650-800 degrees Celsius (°C). The formation of the designed nanoarchitecture on the surface of SOFC cathodes will be achieved through precise control of ALD parameters and subsequent heat-treatment to form the engineered nano-architecture. Full cell electrochemical performance testing and nanostructure characterization by transmission electron microscopy (TEM) will be used to investigate the formation of the engineered nano-scale architecture on the surface of SOFC cathodes. The overall effect on cell performance and the resultant electrochemical reaction mechanism will be quantified and described, respectively.

Project Benefits

This work will enhance power density and increase reliability, robustness, and endurance of commercial SOFCs over the entire operational temperature range of 650-800°C.

Contact Information

Federal Project Manager 
Joseph Stoffa: joseph.stoffa@netl.doe.gov
Technology Manager 
Shailesh Vora: shailesh.vora@netl.doe.gov
Principal Investigator 
Xueyan Song: xueyan.song@mail.wvu.edu
 

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