Surface modification of La<inf>0.6</inf>Sr<inf>0.4</inf>Co<inf>0.2</inf>Fe<inf>0.8</inf>O<inf>3-δ</inf> cathode by atomic layer deposition of La<inf>0.6</inf>Sr<inf>0.4</inf>CoO<inf>3-δ</inf> for high-performance solid oxide fuel cells

Hyung Jong Choi, Kiho Bae, Dong Young Jang, Suk Won Park, Gwon Deok Han, Joon Hyung Shim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Surface modification of La<inf>0.6</inf>Sr<inf>0.4</inf>Co<inf>0.2</inf>Fe<inf>0.8</inf>O<inf>3-δ</inf> (LSCF) was conducted by atomic layer deposition (ALD) with La<inf>0.6</inf>Sr<inf>0.4</inf>CoO<inf>3-δ</inf> (LSC). The anode supported cell with LSC modified LSCF cathode was used to analyze the effect of ALD LSC treatment. At the cell operating temperature (600°C) with the cell voltage of 550 mV, ALD treated cell has power density of 206.6 mW cm<sup>-2</sup> and showed increase in performance by 15.8 mW cm<sup>-2</sup> compared to bare cell. By analyzing the impedance results, it was found that both adsorption (or surface diffusion) and charge transfer kinetics were enhanced after ALD surface modification.

Original languageEnglish
Title of host publicationECS Transactions
PublisherElectrochemical Society Inc.
Pages729-733
Number of pages5
Volume68
Edition1
ISBN (Print)9781607685395
DOIs
Publication statusPublished - 2015
Event14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage - Glasgow, United Kingdom
Duration: 2015 Jul 262015 Jul 31

Other

Other14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage
CountryUnited Kingdom
CityGlasgow
Period15/7/2615/7/31

ASJC Scopus subject areas

  • Engineering(all)

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