Electrochemical performance, microstructure and chemical compositions of Cu-based nanoparticles driven by exsolution of CuFe2O4 in CO2/H2O and H2O electrolysis

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

2 被引用数 (Scopus)

抄録

Use of perovskite as a cathode for solid oxide electrolysis cell is limited by its insufficient electrolysis current density or catalytic activity. Most of present perovskites used has a crucial drawback - significant segregation of A-site cations (i.e. SrO), likely resulting in the degradation of performance. In this work, spinel oxide of CuFe2O4, which is an alkline earth metal free oxide, is applied as the cathode material to investigate its electrochemical performance, microstructure and chemical composition in the electrolysis of CO2/H2O, steam and CO2. It was found that the exsolution of Cu nanoparticles was observed in CO2/H2O co-electrolysis and the microstructure of CuFe2O4 influenced significantly by operating in different CO2/H2O compositions. Despite the significantly microstructural variation of the CuFe2O4 layer, the cell performs relatively stable electrochemical performance in CO2/H2O and steam electrolysis.

本文言語英語
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2425-2432
ページ数8
1
ISBN(電子版)9781607688747, 9781607688747
DOI
出版ステータス出版済み - 2019
イベント16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 - Kyoto, 日本
継続期間: 9月 8 20199月 13 2019

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

会議

会議16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019
国/地域日本
CityKyoto
Period9/8/199/13/19

!!!All Science Journal Classification (ASJC) codes

  • 工学(全般)

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