Enhanced oxygen reduction activity and solid oxide fuel cell performance with a nanoparticles-loaded cathode.

Authors:
Dr. Xiaomin Zhang, PhD
Dr. Xiaomin Zhang, PhD
School of Chemistry
Nanjing University
ionic liquid
Nanjing, Jiangsu | China
Li Liu
Li Liu
School of Public Health
New Haven | United States
Zhe Zhao
Zhe Zhao
Institute of Zoology
United Kingdom
Xuming Wei
Xuming Wei
People's Hospital Affiliated
Quanzhou Shi | China
Xiaobo Chen
Xiaobo Chen
University of North Carolina at Chapel Hill
United States

Nano Lett 2015 Mar 18;15(3):1703-9. Epub 2015 Feb 18.

Division of Fuel Cells, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China.

Reluctant oxygen-reduction-reaction (ORR) activity has been a long-standing challenge limiting cell performance for solid oxide fuel cells (SOFCs) in both centralized and distributed power applications. We report here that this challenge has been tackled with coloading of (La,Sr)MnO3 (LSM) and Y2O3 stabilized zirconia (YSZ) nanoparticles within a porous YSZ framework. This design dramatically improves ORR activity, enhances fuel cell output (200-300% power improvement), and enables superior stability (no observed degradation within 500 h of operation) from 600 to 800 °C. The improved performance is attributed to the intimate contacts between nanoparticulate YSZ and LSM particles in the three-phase boundaries in the cathode.

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Source
http://pubs.acs.org/doi/10.1021/nl5043566
Publisher Site
http://dx.doi.org/10.1021/nl5043566DOI Listing
March 2015
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1 Citation
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