Nanomaterials for Solid Oxide Cell Applications

A special issue of Applied Nano (ISSN 2673-3501).

Deadline for manuscript submissions: closed (31 March 2021) | Viewed by 4237

Special Issue Editors


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Guest Editor

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Department of Inorganic Chemistry, University of Malaga, Malaga, Spain
Interests: solid oxide fuel cells; hydrogen separation membranes; electrode; electrolyte; Rietveld analysis
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Guest Editor
Department of Glass, Institute of Ceramics and Glass, Spanish National Research Council, 28049 Madrid, Spain
Interests: solid oxide cells; electrochemistry; inorganic chemistry; ceramics
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Special Issue Information

Dear Colleagues,

Solid Oxide Cells are considered one of the most efficient and eco-friendly technologies for the generation and storage of electrical energy operating in both fuel cell and electrolyzer modes. However, the high operating temperature of these electrochemical devices results in several drawbacks, such as high maintenance costs and premature degradation of the cell components. Hence, decreasing the operating temperature is one of the main goals to make this technology commercially viable.

In the last few years, new electrode materials have been extensively investigated; however, new ideas and strategies centered on the cell design and microstructural optimization need to be developed. Nanomaterials are excellent candidates since they provide a large surface area and electro-active sites for the electrochemical reactions, thus, improving performance.

In this Special Issue, recent advances regarding the microstructural engineering of nanomaterials for solid oxide cells are presented.

This Special Issue is open to original research articles, as well as review papers, which help researchers worldwide understand the latest trends and progress in nanomaterials for solid oxide cells.

Prof. Dr. David Marrero-López
Prof. Dr. José Manuel Porras-Vázquez
Dr. Domingo Pérez-Coll
Guest Editors

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Keywords

  • Solid oxide fuel cell
  • Solid oxide electrolyzer cell
  • Nanomaterial
  • Cathode
  • Anode
  • Symmetrical electrodes
  • Electrochemical properties
  • Active layers

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Published Papers (1 paper)

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Research

11 pages, 2216 KiB  
Article
Influence of Bi1.5Y0.5O3 Active Layer on the Performance of Nanostructured La0.8Sr0.2MnO3 Cathode
by Javier Zamudio-García, Nerea Albarrán-Aroca, José M. Porras-Vázquez, Enrique R. Losilla and David Marrero-López
Appl. Nano 2020, 1(1), 14-24; https://doi.org/10.3390/applnano1010003 - 1 Sep 2020
Cited by 7 | Viewed by 3470
Abstract
The efficiency of solid oxide fuel cell cathodes can be improved by microstructural optimization and using active layers, such as doped bismuth oxides. In this work, Bi1.5Y0.5O3 (BYO) films are prepared by spray-pyrolysis deposition at reduced temperatures on [...] Read more.
The efficiency of solid oxide fuel cell cathodes can be improved by microstructural optimization and using active layers, such as doped bismuth oxides. In this work, Bi1.5Y0.5O3 (BYO) films are prepared by spray-pyrolysis deposition at reduced temperatures on a Zr0.84Y0.16O1.92 (YSZ) electrolyte. The influence of the BYO film on the performance of an La0.8Sr0.2MnO3 (LSM) cathode prepared by traditional screen-printing and spray-pyrolysis is investigated. A complete structural, morphological, and electrochemical characterization is carried out by X-ray diffraction, electron microscopy, and impedance spectroscopy. The incorporation of BYO films decreases the Area Specific Resistance (ASR) of screen-printed cathodes from 6.4 to 2.2 Ω cm2 at 650 °C. However, further improvements are observed for the nanostructured electrodes prepared by spray-pyrolysis with ASRs of 0.55 and 1.15 Ω cm2 at 650 °C for cathodes with and without an active layer, respectively. These results demonstrate that microstructural control using optimized fabrication methods is desirable to obtain high-efficiency electrodes for solid oxide fuel cell (SOFC) applications. Full article
(This article belongs to the Special Issue Nanomaterials for Solid Oxide Cell Applications)
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