4.6 Article

Tailoring a LaMnO3 cathode for proton-conducting solid oxide fuel cells: integration of high performance and excellent stability

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 9, Issue 21, Pages 12553-12564

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta01221e

Keywords

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Funding

  1. National Natural Science Foundation of China [51972183, 51902282, 52002347]
  2. Natural Science Foundation of the Jiangsu Higher Education Institutions of China [19KJB430039]
  3. Joint Project of Industry-University-Research of Jiangsu Province [BY2019225]
  4. Startup Funding for Talents at University of South China
  5. Qinglan Project of Jiangsu Province of China
  6. Talent Introduction Project of Yancheng Institute of Technology [XJ201739]

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Doping LaMnO3 cathode with Ca element to produce La0.5Ca0.5MnO3-delta cathode shows high performance in proton-conducting solid oxide fuel cells, surpassing similar cells and exhibiting excellent chemical stability.
Doping a LaMnO3 cathode with the Ca element produces a La0.5Ca0.5MnO3-delta cathode, which shows high performance for proton-conducting solid oxide fuel cells, surpassing all similar cells, although the low basicity of Ca makes it an inappropriate doping element in traditional thinking. Furthermore, rather than compromising electrochemical performance for chemical stability, La0.5Ca0.5MnO3 also shows excellent chemical stability, making it promising for application in proton-conducting solid oxide fuel cells.

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