Bibliographic Details
| Title: |
Performance and Stability of LaSr2Fe2CrO9-δ-Based Solid Oxide Fuel Cell Anodes in Hydrogen and Carbon Monoxide. |
| Authors: |
Bierschenk, D. M.1, Haag, J. M.2, Poeppelmeier, K. R.2, Barnett, S. A.1 s-barnett@nonhwestern.edu |
| Source: |
Journal of The Electrochemical Society. 2013, Vol. 160 Issue 2, pF90-F93. 4p. |
| Subjects: |
Solid oxide fuel cells, Electrodes, Impedance spectroscopy, Carbon monoxide, Electrochemical analysis |
| Abstract: |
Composite solid oxide fuel cell (SOFC) anodes consisting of LaSr2Fe2CrO3δ (LSFeCr) and Gd0.1Ce0.9O2δ (GDC) were evaluated during operation on H2, H2O-Ar-H2CO, and CO-H2 mixtures. Impedance spectroscopy studies showed three different electrode processes that varied in importance with temperature and fuel composition. The primary impedance response peaked at ~2 H2 and followed a similar dependence on H2 partial pressure in both H2-H20-Ar and H2-CO mixtures. The total anode polarization resistance at 800°C increased by a factor of ~2 on going from pure H2 fuel to pure CO. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
