Dynamic Measurement of High Temperature Solid Surface for Investigation of nano-NEMCA Effects

2008 Fiscal Year Final Research Report

• Project/Area Number: 16079203
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Tohoku University
• Principal Investigator: KAWADA Tatsuya Tohoku University, 大学院環境科学研究科, 教授 (10271983)
• Project Period (FY): 2004 – 2008
• Keywords: 固体イオニクス / 燃料電池 / エネルギー材料

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。

Research Products

• [Journal Article] Surface reaction and transport kinetics of hydrogen through palladium-based membranes under gas co-existence with hydrogen atmospheres (2009)
  • Author(s): A. Unemoto, N. Hirai, A. Kaimai, K. Sato, T. Otake, K. Yashiro, J. Mizusaki, T. Kawada, T, Tsuneki, Yoshinori Shirasaki, Isamu Yasud
  • Journal Title: Int. J. Nuclear Hydrogen Production and Applications 2 Pages: 55
  • Peer Reviewed
• [Journal Article] Determination of the reaction zone in gadolinia-doped ceria anode for solid oxide fuel cell (2008)
  • Author(s): T. Nakamura, K. Yashiro, A. Kaimai, T. Otake, K. Sato, T. Kawada, J. Mizusaki
  • Journal Title: J. Electrochem. Soc 155 Pages: B1244
  • Peer Reviewed
• [Journal Article] Enhancement of oxygen surface exchange at the hetero-interface of (La,Sr)CoO3/(La,Sr)2CoO4 with PLD-layered films (2008)
  • Author(s): M. Sase, F. Hermes, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. Sasaki, H. Yokokawa
  • Journal Title: J. Electrochem. Soc 155 Pages: B793
  • Peer Reviewed
• [Journal Article] Electrochemical behaviors of mixed conducting oxide anodes for solid oxide fuel cells (2008)
  • Author(s): T. Nakamura, T. Kobayashi, K. Yashiro, A. Kaimai, T. Otake, K. Sato, J. Mizusaki, T. Kawada
  • Journal Title: J. Electrochem. Soc 155 Pages: B563
  • Peer Reviewed
• [Journal Article] Electronic and local structures of La1-xSrxCoO3-d studied by in-situ micro XAS measurements (2008)
  • Author(s): K. Amezawa, Y. Orikasa, T. Ina, A. Unemoto, M. Sase, H. Watanabe, T. Fukutsuka, T. Kawada, Y. Terada, Y. Uchimoto
  • Journal Title: Electrochemical Society Transactions 13 Pages: 161
  • Peer Reviewed
• [Journal Article] X-ray absorption spectroscopic studies on electronic structure in La_<0.6>Sr_<0.4>Co_<0.8>Fe_<0.2>O_<3_d> perovskite- type oxides (2008)
  • Author(s): Y. Orikasa, T. Ina, T. Fukutsuka, K. Amezawa, T. Kawada, Y. Uchimoto
  • Journal Title: Electrochemical Society Trasactions 13 Pages: 201
  • Peer Reviewed
• [Journal Article] Studies on defect structures of (La,Sr)_2NiO_4 by using X-ray absorption spectroscopy (2008)
  • Author(s): T. Ina, Y. Orikasa, T. Fukutsuka, K. Amezawa, T. Kawada, Y. Uchimoto
  • Journal Title: Electrochem. Soc. Trans 13 Pages: 195
  • Peer Reviewed
• [Journal Article] Enhancement of oxygen exchange at the hetero interface of (La,Sr)CoO3/(La,Sr)2CoO4 in composite ceramics (2008)
  • Author(s): M. Sase, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. sakai, K. Ymaji, T. Horita, H. Yokokawa
  • Journal Title: Solid State Ionics 178 Pages: 1843-1852
  • Peer Reviewed
• [Journal Article] Measurement of oxygen exchange kinetics on thin-film La0.6Sr0.4CoO3-delta using nonlinear electrochemical impedance spectroscopy (2007)
  • Author(s): J. R. Wilson, M. Sase, T. Kawada, S. B. Adler
  • Journal Title: Electrochem. Solid State Lett 10(5) Pages: B81-B86
  • Peer Reviewed
• [Journal Article] The effect of co-existing gases from the process of steam reforming reaction on hydrogen permeability of palladium alloy membrane at high temperatures (2007)
  • Author(s): A. Unemoto, A. Kaimai, K. Sato, T. Otake, K. Yashiro, J. Mizusaki, T. Kawada, T. Tsuneki, Y. Shirasaki, I. Yasuda
  • Journal Title: Int. J. of Hydrogen Energy 32 (14) Pages: 2881-2887
  • Peer Reviewed
• [Journal Article] Emission characteristics of negative oxygen ions into vacuum from cerium oxide (2006)
  • Author(s): T. Sakai, Y. Fujiwara, A. Kaimai, K. Yashiro, H. Matsumoto, Y. Nigara, T. Kawada, J. Mizusaki
  • Journal Title: Journal of Alloys and Compounds Pages: 408-412, 1127-1131
  • Peer Reviewed
• [Journal Article] Continuous emission of O-ions into a Vacuum from a bare surface of yttria-stabilized zirconia at elevated temperatures (2006)
  • Author(s): Y. Fujiwara, T. Sakai, A. Kaimai, K. Yashiro, T. Kawada, J. Mzusaki
  • Journal Title: Journal of Vacuum Science and Technology 24(5) Pages: 1818-1822
  • Peer Reviewed
• [Journal Article] Emission characteristics of F- ions into vacuum from CaF2 (2006)
  • Author(s): T. Sakai, A. Kaimai, T. Otake, K. Yashiro, T. Kawada, J. Mizusaki, M. Nishioka
  • Journal Title: Solid State Ionics 177 Pages: 1601-1605
  • Peer Reviewed
• [Journal Article] Electrode reaction and microstructure of La0.6Sr0.4CoO3-δ thin films (2006)
  • Author(s): M. Sase, J. Suzuki, K. Yashiro, T. Otake, A. Kaimai, T. Kawada, J. Mizusaki, H. Yugami
  • Journal Title: Solid State Ionics 177 Pages: 1961-1964
  • Peer Reviewed
• [Journal Article] Microscopic observation of oxygen reaction pathway on high temperature electrode materials (2006)
  • Author(s): T .Kawada, M. Sase, M. Kudo, K. Yashiro, K. Sato, J. Mizusaki, N.Sakai, T. Horita, K. Yamaji, H. Yokokawa
  • Journal Title: Solid State Ionics 177 Pages: 3081- 3086
  • Peer Reviewed
• [Journal Article] Application of FT-IR for in situ investigation of high temperature electrode reactions (2005)
  • Author(s): T. Murai, K. Yashiro, A. Kaimai, T. Otake, H. Matsumoto, T. Kawada and J. Mizusaki
  • Journal Title: Solid State Ionics 176(31-34) Pages: 2399-2403
  • Peer Reviewed
• [Presentation] Nonlinear analysis of the oxygen surface reaction and thermodynamic behavior of La_<1-x>Sr_xCoO_<3-δ> (2008)
  • Author(s): A. T. DeMartini, A. Unemoto, T. Kawada, S. B. Adler
  • Organizer: 214th Electrochemical Society Meeting
  • Place of Presentation: Honolulu, Hawaii ,USA
  • Year and Date: 20081012-17
• [Presentation] Effect of surface modification on the properties of (La,Sr)CoO_3 electrode (2008)
  • Author(s): T. Kawada, M. Sase, K. Amezawa, H. Watanabe, A. Unemoto, Y. Uchimoto
  • Organizer: Materials Science & Technology 2008: Conference and Exhibition
  • Place of Presentation: Pittsburgh, Pennsylvania ,USA
  • Year and Date: 20081005-09
• [Presentation] Enhancement of ^<18>O Surface Exchange on the Hetero Phase Interface of(La,Sr)CoO_3/(La,Sr)_2CoO_4 (2007)
  • 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
  • Year and Date: 20070926-28
• [Presentation] Investigation on SOFC Cathodic Reaction by In Situ X-Ray Absorption Spectroscopy (2007)
  • 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
  • Year and Date: 20070926-28
• [Presentation] Determination and Optimization of Reaction Sites of High Temperature Electrodes (2007)
  • Author(s): T.Kawada
  • Organizer: International Conference on Electroceramcis
  • Place of Presentation: Arusha, Tanzania
  • Year and Date: 20070731-0803
• [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
  • Year and Date: 20070603-08
• [Presentation] Promotion of Oxygen Surface Reaction at the Hetero-Interface of (La,Sr)CoO_3/ (La,Sr)_2CoO_4 (2007)
  • 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
  • Year and Date: 20070603-08
• [Presentation] Electronic and Local Structures of La_<1-x>Sr_xCoO_<3-d> Studied by In-Situ Micro XAFS Measurements (2007)
  • 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
  • Year and Date: 20070518-23
• [Presentation] Experimental Approach to the Dynamic Behaviors of High Temperature Electrodes (2006)
  • 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
  • Year and Date: 20061112-15
• [Presentation] Microscopic observation of oxygen reaction pathway on high temperature electrode materials (2006)
  • 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
  • Year and Date: 20060529- 0602
• [Presentation] Fast 18O Incorporation Paths along the Hetero Phase Boundary with (La,Sr)CoO3/(La,Sr)2CoO4 (2006)
  • 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
• [Book] ナノイオニクス, (第14章) (2008)
  • Author(s): 川田達也, (分担執筆)
  • Total Pages: 156-165
  • Publisher: シーエムシー出版
• [Patent(Industrial Property Rights)] 固体イオン導電体を用いた負イオンビーム生成方法及びその方法を利用した負イオンビーム生成装置 (2009)
  • Inventor(s): 川田達也,水崎純一郎,二唐裕,藤原幸雄
  • Industrial Property Rights Holder: 独立行政法人科学技術振興機構
  • Industrial Property Number: 特許, 第4253813号
  • Acquisition Date: 2009-02-06