The three layers with porous yttria-stabilized zirconia (YSZ) backbone/dense YSZ/porous NiO–YSZ were fabricated by tape-casting process, respectively, then laminated together and co-fired at 1300 °C for 5 h. The cathode material La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) was loaded by infiltrating the precursor of metal ions into porous YSZ backbone. As a result, LSCF nanoparticles with the size of 60–100 nm were uniformly distributed on YSZ backbone. The power density was 1.046 W cm−2 and the polarization resistance was 0.17 Ω cm2 at 800 °C in humidified H2 (3 vol.% H2O). But the stability was not good enough, especially in early operating stage, e.g., 20 h. After that, it showed good stability for the following 70 h operating under a constant voltage of 0.7 V at 750 °C. This is due to the growth and agglomeration of LSCF nanoparticles at early steps, which reduced the three phase boundaries (TPBs).
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February 2015
This article was originally published in
Journal of Fuel Cell Science and Technology
Research-Article
Fabrication and Performance of La0.6Sr0.4Co0.2Fe0.8O3−δ Infiltrated-Yttria-Stabilized Zirconia Cathode on Anode-Supported Solid Oxide Fuel Cell
Dan Tang,
Dan Tang
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
Search for other works by this author on:
Min-Fang Han,
Min-Fang Han
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
e-mail: hanminfang@sina.com
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
e-mail: hanminfang@sina.com
Search for other works by this author on:
Zi-Wei Zheng
Zi-Wei Zheng
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
Search for other works by this author on:
Dan Tang
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
Min-Fang Han
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
e-mail: hanminfang@sina.com
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
e-mail: hanminfang@sina.com
Zi-Wei Zheng
Union Research Center of Fuel Cell,
School of Chemical and
Environmental Engineering,
School of Chemical and
Environmental Engineering,
China University of Mining and Technology
,Beijing 100083
, China
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY. Manuscript received February 25, 2014; final manuscript received August 7, 2014; published online November 25, 2014. Assoc. Editor: Dr Masashi Mori.
J. Fuel Cell Sci. Technol. Feb 2015, 12(1): 011001 (5 pages)
Published Online: February 1, 2015
Article history
Received:
February 25, 2014
Revision Received:
August 7, 2014
Online:
November 25, 2014
Citation
Tang, D., Han, M., and Zheng, Z. (February 1, 2015). "Fabrication and Performance of La0.6Sr0.4Co0.2Fe0.8O3−δ Infiltrated-Yttria-Stabilized Zirconia Cathode on Anode-Supported Solid Oxide Fuel Cell." ASME. J. Fuel Cell Sci. Technol. February 2015; 12(1): 011001. https://doi.org/10.1115/1.4028947
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