Development and evaluation of ir based anode electrocatalysts for water electrolysis

Marika Muto, Mayumi Nagayama, Kazunari Sasaki, Akari Hayashi

研究成果: 著書/レポートタイプへの貢献会議での発言

2 引用 (Scopus)

抜粋

Development of a durability protocol against the potential fluctuation derived by renewable energy is targeted in this paper. We have studied the effect of various potential fluctuations, by simulating practical operating conditions derived from the use of solar and wind powers. The durability of IrOi and the corresponding degradation mechanism were studied in order to suggest an appropriate durability protocol. We have found that relatively slow fluctuation without cycling back to the low potential like 0 V leads to serious degradation of IrOi catalyst. We have also investigated degradation mechanism of I1O2 and have found that IrOi is further oxidized to Ir02(OH) above 1.8 V, and then Ir02(OH) is converted into soluble Ir(OH)3 or InO} species, leading to loss of Ir02 electrocatalyst.

元の言語英語
ホスト出版物のタイトルECS Transactions
編集者C. Coutanceau, S. Narayan, Y.-T. Kim, Y. Gochi-Ponce, B.S. Pivovar, T.F. Fuller, R.A. Mantz, P. Shirvanian, D.J. Jones, F. Buechi, V.K. Ramani, J.M. Fenton, K.E. Swider-Lyons, T.J. Schmidt, K.E. Ayers, A.Z. Weber, P.N. Pintauro, P. Strasser, H. Xu, S. Mitsushima, H. Gasteiger, H. Uchida
出版者Electrochemical Society Inc.
ページ719-726
ページ数8
エディション13
ISBN(電子版)9781607685395
DOI
出版物ステータス出版済み - 1 1 2018
イベントSymposium on Polymer Electrolyte Fuel Cells and Electrolyzers 18, PEFC and E 2018 - AiMES 2018, ECS and SMEQ Joint International Meeting - Cancun, メキシコ
継続期間: 9 30 201810 4 2018

出版物シリーズ

名前ECS Transactions
番号13
86
ISSN(印刷物)1938-6737
ISSN(電子版)1938-5862

その他

その他Symposium on Polymer Electrolyte Fuel Cells and Electrolyzers 18, PEFC and E 2018 - AiMES 2018, ECS and SMEQ Joint International Meeting
メキシコ
Cancun
期間9/30/1810/4/18

    フィンガープリント

All Science Journal Classification (ASJC) codes

  • Engineering(all)

これを引用

Muto, M., Nagayama, M., Sasaki, K., & Hayashi, A. (2018). Development and evaluation of ir based anode electrocatalysts for water electrolysis. : C. Coutanceau, S. Narayan, Y-T. Kim, Y. Gochi-Ponce, B. S. Pivovar, T. F. Fuller, R. A. Mantz, P. Shirvanian, D. J. Jones, F. Buechi, V. K. Ramani, J. M. Fenton, K. E. Swider-Lyons, T. J. Schmidt, K. E. Ayers, A. Z. Weber, P. N. Pintauro, P. Strasser, H. Xu, S. Mitsushima, H. Gasteiger, ... H. Uchida (版), ECS Transactions (13 版, pp. 719-726). (ECS Transactions; 巻数 86, 番号 13). Electrochemical Society Inc.. https://doi.org/10.1149/08613.0719ecst