Dependence of La0.57Sr0.38Co0.2Fe0.8O3-δ cathode degradation rate on electrode thickness

T. Shimura, Y. Komatsu, A. Sciazko, A. He, N. Shikazono

研究成果: Conference contribution

抄録

The degradation factor of the La0.57Sr0.38Co0.2Fe0.8O3-δ (LSCF) cathode is investigated based on the relationship between its electrochemical performance and effective thickness. When the decrease in bulk diffusion coefficient D is assumed as the dominant factor of degradation, the effective thickness of LSCF electrode will decrease. On the other hand, the decrease in surface exchange coefficient k is the dominant factor, effective thickness will increase. From the 100 hrs experiments using LSCF electrodes with various thicknesses, degradation became severe as the LSCF thickness is decreased. This implies that the decrease in k can be the dominant factor in LSCF degradation.

本文言語English
ホスト出版物のタイトルSolid Oxide Fuel Cells 16, SOFC 2019
編集者K. Eguchi, S. C. Singhal
出版社Electrochemical Society Inc.
ページ1273-1277
ページ数5
1
ISBN(電子版)9781607688747
DOI
出版ステータスPublished - 2019
イベント16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 - Kyoto, Japan
継続期間: 2019 9 82019 9 13

出版物シリーズ

名前ECS Transactions
番号1
91
ISSN(印刷版)1938-6737
ISSN(電子版)1938-5862

Conference

Conference16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019
CountryJapan
CityKyoto
Period19/9/819/9/13

ASJC Scopus subject areas

  • Engineering(all)

フィンガープリント 「Dependence of La<sub>0.57</sub>Sr<sub>0.38</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3-δ</sub> cathode degradation rate on electrode thickness」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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