Dynamic Measurement of High Temperature Solid Surface for Investigation of nano-NEMCA Effects
Project/Area Number |
16079203
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Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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Allocation Type | Single-year Grants |
Review Section |
Science and Engineering
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Research Institution | Tohoku University |
Principal Investigator |
KAWADA Tatsuya Tohoku University, 大学院環境科学研究科, 教授 (10271983)
|
Co-Investigator(Kenkyū-buntansha) |
西岡 将輝 産業技術総合研究所, コンパクト化学プロセス研究センター, 研究員 (00282575)
大竹 隆憲 東北大学, 多元物質科学研究所, 助手 (30396535)
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Project Period (FY) |
2004 – 2008
|
Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥47,800,000 (Direct Cost: ¥47,800,000)
Fiscal Year 2008: ¥5,500,000 (Direct Cost: ¥5,500,000)
Fiscal Year 2007: ¥8,800,000 (Direct Cost: ¥8,800,000)
Fiscal Year 2006: ¥12,800,000 (Direct Cost: ¥12,800,000)
Fiscal Year 2005: ¥10,300,000 (Direct Cost: ¥10,300,000)
Fiscal Year 2004: ¥10,400,000 (Direct Cost: ¥10,400,000)
|
Keywords | 固体イオニクス / 燃料電池 / エネルギー材料 / NEMCA効果 / 表面・界面物性 / 固体酸化物燃料電池 / 酸化還元反応 / 同位体交換 / SIMS / in-situXAFS測定 / in-situ XAFS測定 / 表面 / 吸着 / in-situ測定 / 化学ポテンシャルプローブ / PMIRRAS / イオンエミッション / 近赤外線カメラ |
Research Abstract |
高温で酸化物イオンを伝導する固体材料について,気相から酸素がその表面でナノイオニクス材料の熱力学的・化学的存在状態を動的に把握する手法を開発し,「ナノNEMCA」効果発現の可能性を探ることを目的とした。本年度は,気固相酸素交換反応の特異な促進効果を見いだしたLa-Co-O酸化物ヘテロ接合系について,類似の酸化物異相界面についても探索を行った。ヘテロ界面を形成が高酸素分圧下での安定性を向上させることを見いだした。
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Report
(6 results)
Research Products
(95 results)
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[Journal Article] Surface reaction and transport kinetics of hydrogen through palladium-based membranes under gas co-existence with hydrogen atmospheres2009
Author(s)
A. Unemoto, N. Hirai, A. Kaimai, K. Sato, T. Otake, K. Yashiro, J. Mizusaki, T. Kawada, T, Tsuneki, Yoshinori Shirasaki, Isamu Yasud
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Journal Title
Int. J. Nuclear Hydrogen Production and Applications 2
Pages: 55-55
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Peer Reviewed
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[Journal Article] Enhancement of oxygen exchange at the hetero interface of (La,Sr)CoO3/(La,Sr)2CoO4 in composite ceramics2008
Author(s)
M. Sase, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. sakai, K. Ymaji, T. Horita, H. Yokokawa
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Journal Title
Solid State Ionics 178
Pages: 1843-1852
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Peer Reviewed
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[Presentation] Enhancement of ^<18>O Surface Exchange on the Hetero Phase Interface of(La,Sr)CoO_3/(La,Sr)_2CoO_42007
Author(s)
M. Sase, F. Helmes, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. Sakai, K. Yamaji, T. Horita, H. Yokokawa
Organizer
21st Century COE Program Fourth International Conference on Flow Dynamics
Place of Presentation
Sendai
Related Report
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[Presentation] Investigation on SOFC Cathodic Reaction by In Situ X-Ray Absorption Spectroscopy2007
Author(s)
K. Amezawa, A. Unemoto, T. Kawada, M. Sase, A. Kaimai, K. Sato, K. Yashiro, J. Mizusaki, M. Rai, Y. Orikasa, Y. Uchimoto
Organizer
21st Century COE Program Fourth International Conference on Flow Dynamics
Place of Presentation
Sendai
Related Report
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[Presentation] Electrode Performance at Hetero-interface of Perovskite-related Oxides,(La,Sr)CoO_<3-d> /(La,Sr)2CoO_<4-d>2007
Author(s)
K. Yashiro, T. Nakamura, M. Sase, F. Hermes, K. Sato, T. Kawada, J. Mizusaki
Organizer
10th International Symposium on Solid Oxide Fuel Cells
Place of Presentation
Nara, Japan
Related Report
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[Presentation] Promotion of Oxygen Surface Reaction at the Hetero-Interface of (La,Sr)CoO_3/ (La,Sr)_2CoO_42007
Author(s)
M. Sase, F. Hermes, T. Nakamura, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. Sasaki, K. Yamaji, T. Horita, H. Yokokawa
Organizer
10th International Symposium on Solid Oxide Fuel Cells
Place of Presentation
Nara, Japan
Related Report
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[Presentation] Electronic and Local Structures of La_<1-x>Sr_xCoO_<3-d> Studied by In-Situ Micro XAFS Measurements2007
Author(s)
K. Amezawa, A. Unemoto, M. Sase, T. Kawada, Y. Orikasa, H. Aoki, T. Ina, T. Fukutsuka, Y. Uchimoto, Y. Terada
Organizer
213th Electrochemical Society Meeting
Place of Presentation
Phenix, Alizona, USA
Related Report
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[Presentation] Fast 18O Incorporation Paths along the Hetero Phase Boundary with (La,Sr)CoO3/(La,Sr)2CoO42006
Author(s)
M. Sase, F. Hermes, K. Yashiro, T. Otake, A. Kaimai, T. Kawada, J. Mizusaki, N. Sakai, K. Yamaji, T. Horita, H. Yokokawa
Organizer
7th European SOFC Forum (FUEL CELL FROUM 2006)
Place of Presentation
Lucerne, Switzerland
Year and Date
2006-07-03
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[Presentation] Experimental Approach to the Dynamic Behaviors of High Temperature Electrodes2006
Author(s)
T. Kawada, M. Sase, H. Hosoi, K. Yashiro, K. Sato, J. Mizusaki, N. Sakai, T. Horita, K. Yamaji, H. Yokokawa, M. Rai, K. Kitamura, K. Amezawa, Y. Uchimoto
Organizer
The 16th Iketani Conference (Masuko Symposium)
Place of Presentation
Tokyo
Related Report
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[Presentation] Microscopic observation of oxygen reaction pathway on high temperature electrode materials2006
Author(s)
T. Kawada, M. Sase, M. Kudo, Yashiro, K. Sato, J. Mizusaki, N. Sakai, T. Horita, K. Yamaji, H. Yokokawa
Organizer
European Material Research Society
Place of Presentation
Nice, France
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