Gas-surface interaction study of oxygen molecules on ionomer surface in catalyst layer

M. Nakauchi, T. Mabuchi, T. Hori, Y. Yoshimoto, I. Kinefuchi, H. Takeuchi, T. Tokumasu

研究成果: 書籍の章/レポート/Proceedings会議への寄与査読

抄録

We investigated the gas-surface interaction between oxygen molecules and ionomer surface using molecular dynamics simulations because the scattering phenomena of gas molecules on the surface play a crucial role for the gas transport in catalyst layers (CLs). The probability density functions (PDFs) of the translational energy of scattered oxygen molecules was analyzed for a wide range of incident condition and water contents for different scattering process. The energy distributions show the dependence on the incident temperature and independent of water content. The characteristic temperature of translational energy was also investigated by fitting to the Maxwell-Boltzmann distribution. This result suggests that there is a different tendency of the thermal accommodation to the ionomer surface depending on the scattering process.

本文言語英語
ホスト出版物のタイトルECS Transactions
編集者D. J. Jones, F. Buechi, K. E. Swider-Lyons, P. N. Pintauro, H. Uchida, T. J. Schmidt, B. S. Pivovar, H. A. Gasteiger, A. Z. Weber, P. A. Shirvanian, J. M. Fenton, T. F. Fuller, K. Shinohara, K. A. Perry, P. Strasser, C. Coutanceau, S. Mitsushima, R. A. Mantz, S. Narayan, V. Ramani, K. E. Ayers, Y.-T. Kim, H. Xu
出版社Electrochemical Society Inc.
ページ197-203
ページ数7
8
ISBN(電子版)9781607688259
ISBN(印刷版)9781623324773
DOI
出版ステータス出版済み - 2017
イベントSymposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting - National Harbor, 米国
継続期間: 2017 10月 12017 10月 5

出版物シリーズ

名前ECS Transactions
番号8
80
ISSN(印刷版)1938-6737
ISSN(電子版)1938-5862

会議

会議Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting
国/地域米国
CityNational Harbor
Period17/10/117/10/5

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