Nanostructured La0.5Ba0.5CoO3 as cathode for solid oxide fuel cells

Augusto E. Mejía Gómez; Diego G. Lamas; Ana Gabriela Leyva; Joaquín Sacanell

doi:10.1016/j.ceramint.2019.04.122

Nanostructured La0.5Ba0.5CoO3 as cathode for solid oxide fuel cells

Applied Physics 2019-09-25 v1 Materials Science

Authors: Augusto E. Mejía Gómez , Diego G. Lamas , Ana Gabriela Leyva , Joaquín Sacanell

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Abstract

A simple method has been used to synthesize nanostructured La0.5Ba0.5CoO3 (LBCO) powders, by confining chemical precursors into the pores of polycarbonate filters. The proposed method allows us to obtain powders formed by crystallites of different sizes, it is scalable and does not involve the use of sophisticated deposition techniques. The area specific polarization resistance of symmetrical cells was studied to analyze the electrochemical behavior of the LBCO nanostructures as cathodes for Solid-Oxide Fuel Cells. We show that the performance is improved by reducing the size of the crystallites, obtaining area specific resistance values of 0.2 Wcm2 at 700C, comparable with newly developed cathodes using novel deposition techniques.

Keywords

photocatalysis nanoparticles silicon physics

Cite

@article{arxiv.1909.10611,
  title  = {Nanostructured La0.5Ba0.5CoO3 as cathode for solid oxide fuel cells},
  author = {Augusto E. Mejía Gómez and Diego G. Lamas and Ana Gabriela Leyva and Joaquín Sacanell},
  journal= {arXiv preprint arXiv:1909.10611},
  year   = {2019}
}

Comments

11 pages, 6 figures

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