volume 306 pages 121114

(La0.8Sr0.2)0.98MnO3-δ-Zr0.92Y0.16O2-δ:PrOx for oxygen electrode supported solid oxide cells

Tianrang Yang
Shannon L Kollasch
Jerren Grimes
Alan Xue
Scott A. Barnett
Publication typeJournal Article
Publication date2022-06-01
scimago Q1
wos Q1
SJR5.180
CiteScore38.4
Impact factor21.1
ISSN09263373, 18733883
Catalysis
Process Chemistry and Technology
General Environmental Science
Abstract
(La 0.8 Sr 0.2 ) 0.98 MnO 3-δ (LSM)- Zr 0.92 Y 0.16 O 2-δ (YSZ) has been widely studied as the cathode for solid oxide fuel cells (SOFCs), but its low activity has been a cell performance limiting factor. Herein, LSM-YSZ:PrO x composite is developed as an active electrocatalyst for both oxygen reduction and evolution reactions. A single step PrO x infiltration into LSM-YSZ lowers the polarization resistance (R p ) 10–20 times depending on the test temperature. Distribution of relaxation times (DRT) calculation reveals that adding PrO x affects surface exchange between adsorbed/desorbed oxygen and lattice oxygen, and oxygen dissociative adsorption/desorption. A symmetrical cell with a thin YSZ electrolyte sandwiched between thick LSM-YSZ:PrO x electrode-supports is developed and its oxygen generation performance and stability are evaluated under various current densities and temperatures. Reversible solid oxide cell (ReSOC) performance is also reported for LSM-YSZ:PrO x supported cells with the oxide fuel electrode Sr 0.95 (Ti 0.3 Fe 0.63 Ni 0.07 )O 3-δ (STFN). • LSM-YSZ:PrOx is an highly active electrocatalyst for oxygen reduction and evolution reactions. • LSM-YSZ:PrO x ∣YSZ∣LSM-YSZ:PrO x cell shows excellent oxygen generating performance. • LSM-YSZ:PrO x ,O 2 ∣YSZ∣Sr 0.95 (Ti 0.3 Fe 0.63 Ni 0.07 )O 3-δ cell is amongst the best reported oxygen-electrode supported cells.
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Yang T. et al. (La0.8Sr0.2)0.98MnO3-δ-Zr0.92Y0.16O2-δ:PrOx for oxygen electrode supported solid oxide cells // Applied Catalysis B: Environmental. 2022. Vol. 306. p. 121114.
GOST all authors (up to 50) Copy
Yang T., Kollasch S. L., Grimes J., Xue A., Barnett S. A. (La0.8Sr0.2)0.98MnO3-δ-Zr0.92Y0.16O2-δ:PrOx for oxygen electrode supported solid oxide cells // Applied Catalysis B: Environmental. 2022. Vol. 306. p. 121114.
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Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.apcatb.2022.121114
UR - https://doi.org/10.1016/j.apcatb.2022.121114
TI - (La0.8Sr0.2)0.98MnO3-δ-Zr0.92Y0.16O2-δ:PrOx for oxygen electrode supported solid oxide cells
T2 - Applied Catalysis B: Environmental
AU - Yang, Tianrang
AU - Kollasch, Shannon L
AU - Grimes, Jerren
AU - Xue, Alan
AU - Barnett, Scott A.
PY - 2022
DA - 2022/06/01
PB - Elsevier
SP - 121114
VL - 306
SN - 0926-3373
SN - 1873-3883
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2022_Yang,
author = {Tianrang Yang and Shannon L Kollasch and Jerren Grimes and Alan Xue and Scott A. Barnett},
title = {(La0.8Sr0.2)0.98MnO3-δ-Zr0.92Y0.16O2-δ:PrOx for oxygen electrode supported solid oxide cells},
journal = {Applied Catalysis B: Environmental},
year = {2022},
volume = {306},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.apcatb.2022.121114},
pages = {121114},
doi = {10.1016/j.apcatb.2022.121114}
}