Effect of coal syngas fuel composition on the performance and stability of oxide anodes

D. M. Bierschenk, J. M. Haag, Kenneth R Poeppelmeier, S. A. Barnett

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The performance and stability of La0.8Sr0.2Cr 0.82RU0.18O3-δ (LSCrRu)-Gd 0.1Ce0.9O2(GDC) and LaSr2Fe 2CrO9.δ(LSCrFe)-GDC composite solid oxide fuel cell (SOFC) anodes were evaluated during SOFC operation on surrogate coal-derived syngas and CO-H2 mixtures. The LSCrRu-GDC cells exhibited the least coking and best performance stability in syngas compositions expected to cause coking, although the LSCrFe-GDC anodes were significantly better than Ni-YSZ. No degradation and minimal coking was observed in LSCrRu-GDC cells during operation on coal gas or pure CO at 700 - 800°C. All anodes tested showed higher anode polarization resistance (RP,A) in pure CO compared to H2 fuel; the LSCrFe-GDC anode showed lower RP,A in pure CO than the LSCrRu-GDC anode. In coal gas, on the other hand, the LSCrRu-GDC anode showed an RP,A value comparable to that of LSCrFe-GDC. This was explained by the production of H2 at the LSCrRu-GDC anode, due to significant activity for the water gas shift reaction.

Original languageEnglish
Title of host publicationECS Transactions
Pages2107-2116
Number of pages10
Volume25
Edition2 PART 3
DOIs
Publication statusPublished - 2009
Event11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI)- 216th ECS Meeting - Vienna, Austria
Duration: Oct 4 2009Oct 9 2009

Other

Other11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI)- 216th ECS Meeting
CountryAustria
CityVienna
Period10/4/0910/9/09

Fingerprint

Anodes
Coal
Oxides
Chemical analysis
Coking
Coal gas
Solid oxide fuel cells (SOFC)
Water gas shift
Polarization
Degradation
Composite materials

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Bierschenk, D. M., Haag, J. M., Poeppelmeier, K. R., & Barnett, S. A. (2009). Effect of coal syngas fuel composition on the performance and stability of oxide anodes. In ECS Transactions (2 PART 3 ed., Vol. 25, pp. 2107-2116) https://doi.org/10.1149/1.3205758

Effect of coal syngas fuel composition on the performance and stability of oxide anodes. / Bierschenk, D. M.; Haag, J. M.; Poeppelmeier, Kenneth R; Barnett, S. A.

ECS Transactions. Vol. 25 2 PART 3. ed. 2009. p. 2107-2116.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bierschenk, DM, Haag, JM, Poeppelmeier, KR & Barnett, SA 2009, Effect of coal syngas fuel composition on the performance and stability of oxide anodes. in ECS Transactions. 2 PART 3 edn, vol. 25, pp. 2107-2116, 11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI)- 216th ECS Meeting, Vienna, Austria, 10/4/09. https://doi.org/10.1149/1.3205758
Bierschenk DM, Haag JM, Poeppelmeier KR, Barnett SA. Effect of coal syngas fuel composition on the performance and stability of oxide anodes. In ECS Transactions. 2 PART 3 ed. Vol. 25. 2009. p. 2107-2116 https://doi.org/10.1149/1.3205758
Bierschenk, D. M. ; Haag, J. M. ; Poeppelmeier, Kenneth R ; Barnett, S. A. / Effect of coal syngas fuel composition on the performance and stability of oxide anodes. ECS Transactions. Vol. 25 2 PART 3. ed. 2009. pp. 2107-2116
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