MORI, Toshiyuki

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Last Update : 2016/04/06
MORI, Toshiyuki
Managing Researcher,  Center for Green Research on Energy and Environmental Materials,  National Institute for Materials Science
1-1 Namiki, Tsukuba, Ibaraki, 305-0044 JAPAN [Location]
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Other Affiliations
GREEN Leader, Solid Oxide Fuel Cell Materials Design Group, Batteries and Fuel Cells Field, C4GR-GREEN
Unassigned, Materials for Battery Open Laboratory, NIMS Open Innovation Center, EC Div.
Adjunct Professor of Hokkaido University (Japan), Guest Professor of University of Tsukuba (Japan), Adjunct professor of University of Queensland (Australia)
Research fields
Research fields  Fuel cells have been developed as a clean and efficient power source for generating electricity from hydrogen and oxygen. Solid electrolytes and electrodes are key materials in the fuel cells. As a consequence, high quality electrolytes and electrodes have to be designed for development of our sustainable society.
 To use fuel cells in our society, the quality, stability and durability of fuel cell materials should be improved. For a design of high quality fuel cell materials, the nano-structural feature in the fuel cell materials has to be designed at atomic scale.
 In our project, we successfully improved the conductivity and Po2 dependence of conductivity of doped CeO2 bulk electrolyte specimen by a design of nano-domain structure. Also the electrode performances (i.e. oxygen reduction reaction (ORR) activity on cathode and CO tolerance of anode) were improved by a formation of Ce-O-Pt interface on our Pt-CeOx electrodes.
 In the near future, it is expected that nano-structure design of fuel cell materials will provide us great opportunity to do big breakthrough in the fuel cell fields.

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Keywords Ceramics, Oxide ionic conduction, Design of electrode reaction, Fuel Cell Materials, Lattice defect, Nano-structure design
Publications NIMS affiliated publications since 2004.
Research papers
  • N. Tsud, T. Skála, K. Mašek, P. Hanyš, M. Takahashi, H. Suga, T. Mori, H. Yoshikawa, M. Yoshitake and K. Kobayashi : “Photoemission study of the tin doped cerium oxide thin films prepared by RF magnetron sputtering” Thin Solid Films 518[8] (2010) 2206-2209 DOI:10.1016/j.tsf.2009.07.128
  • M YAN, T MORI, J ZOU, F YE, D OU and J DRENNAN : “TEM and XPS analysis of CaxCe1-xO2-y (x=0.05–0.5) as electrolyte materials for solid oxide fuel cells” Acta Mater. 57[3] (2009) 722-731 DOI:10.1016/j.actamat.2008.10.014
  • T. Mori, W. Yarong, D. R. Ou, F. Ye, JD, HK : “Influence of microstructure on oxide ionic conductivity in DyxCe1-xO2-x/2 (x=0.1-0.25) system” Materials Processing for Properties and Performance (MP3) Volume 4 (2005)
  • J. Kim, T. Mori, IH : “Organic-Inorganic proton conductor materials for fuel cell” Materials Processing for Properties and Performance (MP3) Volume4 (2005)
  • M. Takahashi, T. Mori, A. Vinu, K. Ariga, J. Kim, HK, JD : “Preparation and characterization of Pt-CeO2 electrodes supported by conductive carbon materials for direct methanol fuel cell applications” Materials Processing for Properties and Performance (MP3) Volume4 (2005)
  • F. Ye, T. Mori, D. R. Ou, J. Zou, J. Drennan, M. Miyayama : “Effect of Ni Diffusion on the Microstructure of Gadolinium-Doped Ceria (GDC) Electrolyte Film Supported by Ni-GDC Cermet Anode” The IUMRS International Conference in Asia 2008 Transactions of the MRS-J(国際会議特集号論文) 35[2] (2010) 401-404
  • J. Kim, M. Ohnuma, C. Nishimura, T. Mori : “Small-angle X-ray scattering and proton conductivity of anhydrous nafion-blend membranes for high temperature PEFCs” 216th ECS meeting ECS TRANSACTIONS 25[1] (2009) 405-414
  • F. Ye, T. Mori, D. R. Ou, J. Zou, J. Drennan : “Improvement of Ionic Conductivity of Gadolinium-doped ceria by Microstructure Design” The 26th International Japan-Korea Seminar on Ceramics The 26th International Japan-Korea Seminar on Ceramics (2009) 73-75
Presentations, others
  • July 04-09, 2010 : G. James, J. Hill, Y. Wakayama, F. D’Souza, T. Mori, K. Ariga : “Pyrazinacenes : Aza Analogues of Acenes” ICSM 2010
  • Dec. 24-25, 2009 : 森利之, 葉飛 : “ナノイオニクスバルク体の創製に関する研究” 科研費特定領域研究(ナノイオニクス)最終全体研究発表会
  • Dec. 14-15, 2009 : T. Mori, F. Ye, D. R. Ou : “Desing of nano-structured solid electrolyte for fuel cell application” Key Materials for Fuel Cell
  • No. 4106442 “均一微細構造を持つDyドープナノセリア系焼結体の製造方法” (2008)
  • No. 4092101 “低温結晶化・高比表面積を有するホーランダイト型化合物粉末の製造方法” (2008)
  • No. 3950966 “溶存酸素濃度の制御方法” (2007)
External references
ResearcherID.COM (No.H-2920-2011)
Awards 1) Australia Academy of Science Award (August.1999) (Awardee: Toshiyuki Mori) 2) Ministry of Education, Culture, Sports, Science and Technology (MEXT) Award (Prospective Patent: Design of Photocatalyst for nvironmental Application, April, 2001) (Awardees: Toshiyuki Mori, Kenjiro Fujimoto, and Mamoru Watanabe) 3) Best poster presentation award at 7th international conference on ecomaterials, 06 July 2005(Title:Oxide supported Pd catalyst for low temperature catalytic CO oxidation, awardees: Libor Sedlacek, Toshiyuki Mori, Motoi Takahashi, Iva Matoliniva, and Vladmir Matolin) 4) Best poster presentation award at international conference on materials for advanced technology 2007, 06th July 2007(Title:Study of Rh doped SnO2 nano-catalyst for low temperature CO oxidation, awardees: Petr Hanys, Toshiyuki Mori, Motoi Takahashi, Vladimir Nehasil, and Vladimir Matolin) 5) Best poster presentation award at The 16th international conference on solid state ionics, 06th July 2007(Title:Intreganular segregation of dopant cations and ordering of oxygen vacancies in gadolinium doped ceria, awardees: Fei Ye, Toshiyuki Mori, Ding Rong Ou, Jin Zou, and John Drennan) 6) Best poster presentation award at The 12th Asian Conference on Solid State Ionics, 06th May 2010 (Title: Dislocation associated incubational domain formation in lightly gadolinium-doped ceria, awardees: Zhipeng Li, Toshiyuki MORI, Fei Ye, DingRong Ou, Jin Zou and John Drennan)
Society membership The Electrochemical Society, The American Ceramic Society, Inorganic Material Society, Materials Research Society, Solid State Ionics Japan, Taikabutsu-gijutsu-kyokai, The Ceramic Society of Japan, The Chemical Society of Japan
NIMS Researchers