研究成果 2000 2018

フィルター
会議での発言
2017

First-principles study on oxygen reduction reaction over La1-xSrxCoO3-δ

Koyama, M. & Ishimoto, T., 1 1 2017, Solid-Gas Electrochemical Interfaces 2 - SGEI 2. Adler, S., Ivers-Tiffee, E., Yildiz, B. & Kawada, T. (版). 10 版 Electrochemical Society Inc., p. 75-80 6 p. (ECS Transactions; 巻数 77, 番号 10).

研究成果: 著書/レポートタイプへの貢献会議での発言

Cathodes
Oxygen
Solid oxide fuel cells (SOFC)
Kinetics
Adsorption

Multi-scale, multi-physics approach for solid oxide fuel cell anode reaction

Liu, S., Liu, S., Saha, L. C., Iskandarov, A. M., Jiao, Z., Hara, S., Ishimoto, T., Tada, T., Umeno, Y., Shikazono, N., Matsumura, S. & Koyama, M., 5 30 2017, ECS Transactions. Kawada, T. & Singhal, S. C. (版). 1 版 Electrochemical Society Inc., p. 2835-2844 10 p. (ECS Transactions; 巻数 78, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Anodes
Physics
Electrodes
Microstructure

Theoretical study on oxygen vacancy formation at LSC/GDC interface

Ishimoto, T., Sato, K. & Koyama, M., 5 30 2017, ECS Transactions. Kawada, T. & Singhal, S. C. (版). 1 版 Electrochemical Society Inc., p. 869-874 6 p. (ECS Transactions; 巻数 78, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Gadolinium
Oxygen vacancies
Electronic structure
Cathodes
Solid oxide fuel cells (SOFC)
2016

First-principles study on alloy nanoparticles for polymer electrolyte fuel cell catalyst

Nanba, Y., Rivera, D. S., Ishimoto, T. & Koyama, M., 1 1 2016, Polymer Electrolyte Fuel Cells 16, PEFC 16. Jones, D. J., Buchi, F. N., Pivovar, B. S., Fuller, T. F., Weber, A. Z., Zhuang, L., Coutanceau, C., Pintauro, P. N., Ayers, K. E., Ramani, V. K., Strasser, P., Mantz, R. A., Narayanan, S. R., Mitsushima, S., Schmidt, T. J., Sun, S. G., Uchida, H., Gasteiger, H. A., Swider-Lyons, K., Fenton, J. M., Kim, Y. T., Perry, K. A., Shirvanian, P. & Shinohara, K. (版). 14 版 Electrochemical Society Inc., p. 717-721 5 p. (ECS Transactions; 巻数 75, 番号 14).

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cells
Electrocatalysts
Electrolytes
Nanoparticles
Catalysts
2015
1 引用 (Scopus)

Boundary observation and contrast tuning of Ni/YSZ Anode by TEM and FIB-SEM

Liu, S. S., Matsumura, S. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. Eguchi, K. & Singhal, S. C. (版). 1 版 Electrochemical Society Inc., p. 1275-1279 5 p. (ECS Transactions; 巻数 68, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Yttria stabilized zirconia
Focused ion beams
Anodes
Tuning
Transmission electron microscopy
1 引用 (Scopus)

Reactive force-field development for metal/ceramic SOFC anode modeling

Saha, L. C., Iskandarov, A., Nakao, K., Ishimoto, T., Umeno, Y. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. Eguchi, K. & Singhal, S. C. (版). 1 版 Electrochemical Society Inc., p. 2943-2949 7 p. (ECS Transactions; 巻数 68, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Cermets
Solid oxide fuel cells (SOFC)
Anodes
Interfacial energy
Molecular dynamics
1 引用 (Scopus)

Sensitivity analysis for the efficiency improvement of a light integrated gasification fuel cell power plant

Taufiq, B. N., Kikuchi, Y., Ishimoto, T., Honda, K. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. 1 版 Electrochemical Society Inc., 巻 68. p. 333-342 10 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cell power plants
Solid oxide fuel cells (SOFC)
Gasification
Sensitivity analysis
Coal gasification plants

Theoretical analysis of cation diffusion pathway in SOFC interface

Lin, C. T., Ishimoto, T. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. Eguchi, K. & Singhal, S. C. (版). 1 版 Electrochemical Society Inc., p. 2471-2478 8 p. (ECS Transactions; 巻数 68, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Positive ions
Yttria stabilized zirconia
Diffusion in solids
Interfaces (computer)

Theoretical approach to the CH4 decomposition on BaTiO3(001)

Rivera, D. S., Ishimoto, T. & Koyama, M., 1 1 2015, General Student Poster Session. Foley, M. P., Pharkya, P., Chaitanya, V., Khosla, A., Sundaram, K. B. & Subramanian, V. (版). 39 版 Electrochemical Society Inc., p. 21-27 7 p. (ECS Transactions; 巻数 66, 番号 39).

研究成果: 著書/レポートタイプへの貢献会議での発言

Decomposition
Methane
Catalyst activity
Density functional theory
Molecules

Theoretical study of inorganic carbonaceous species reaction with the surfaces of BaTiO3(001)

Rivera, D. S., Ishimoto, T., Quang-Tuyen, T., Shiratori, Y. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. Singhal, S. C. & Eguchi, K. (版). 1 版 Electrochemical Society Inc., p. 3177-3185 9 p. (ECS Transactions; 巻数 68, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Carbon
Chemisorption
Solid oxide fuel cells (SOFC)
Density functional theory
Adsorption
2 引用 (Scopus)

Theoretical study on oxygen dissociation reaction on LaSrCoO3

Ishimoto, T., Sato, K., Tada, T., Amezawa, K. & Koyama, M., 1 1 2015, Solid Oxide Fuel Cells 14, SOFC 2015. Singhal, S. C. & Eguchi, K. (版). 1 版 Electrochemical Society Inc., p. 651-655 5 p. (ECS Transactions; 巻数 68, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Oxygen vacancies
Lanthanum
Oxygen
Ions
Surface reactions
2012
2 引用 (Scopus)

Molecular dynamics study for sintering characteristics of solid oxide fuel cell anode

Nakao, K., Kohno, H., Ishimoto, T. & Koyama, M., 12 1 2012, Materials Degradation in Energy Systems: Corrosion and Hydrogen-Material Interactions. 30 版 p. 1-9 9 p. (ECS Transactions; 巻数 50, 番号 30).

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Molecular dynamics
Anodes
Sintering
Computer simulation
3 引用 (Scopus)

Reaction mechanism of ethanol oxidation over gold catalyst under alkaline environment

Koyama, M., Amano, Y., Liu, S. & Ishimoto, T., 12 1 2012, Polymer Electrolyte Fuel Cells 12, PEFC 2012. 2 版 p. 1907-1912 6 p. (ECS Transactions; 巻数 50, 番号 2).

研究成果: 著書/レポートタイプへの貢献会議での発言

Biofuels
Ethanol
Gold
Oxidation
Catalysts
2011
1 引用 (Scopus)

Computational study on impurities poisoning and degradation of an SOFC anode based on density functional theory

Ogura, T., Nakao, K., Ishimoto, T. & Koyama, M., 12 1 2011, Solid Oxide Fuel Cells 12, SOFC XII. 2 PART 2 版 巻 35. p. 853-858 6 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Density functional theory
Anodes
Impurities
Degradation
1 引用 (Scopus)

Theoretical study for the sintering of Ni anode in solid oxide fuel cell

Nakao, K., Ogura, T., Ishimoto, T. & Koyama, M., 12 1 2011, Solid Oxide Fuel Cells 12, SOFC XII. 2 PART 2 版 巻 35. p. 1661-1667 7 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Anodes
Sintering
Nanoparticles
Molecular dynamics
6 引用 (Scopus)

Theoretical study on chemical degradation mechanism of Nafion side chain by the attack of OH radical in polymer electrolyte fuel cell

Ishimoto, T., Ogura, T. & Koyama, M., 12 1 2011, Computational Electrochemistry. 27 版 p. 1-6 6 p. (ECS Transactions; 巻数 35, 番号 27).

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cells
Ethers
Electrolytes
Degradation
Polymers
2 引用 (Scopus)

Utilizing risk analysis and scenario planning for technology roadmapping: A case in energy technologies

Kajikawa, Y., Kikuchi, Y., Fukushima, Y. & Koyama, M., 10 5 2011, PICMET'11 - Portland International Center for Management of Engineering and Technology, Proceedings - Technology Management in the Energy-Smart World. 6017659. (PICMET: Portland International Center for Management of Engineering and Technology, Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Risk analysis
Planning
Technology roadmap
Scenario planning
Energy technology
2009

A comprehensive model for fuel cell exergetic performance which includes both ASR and electronic shorting

Williams, M. C., Virkar, A., Yamaji, K., Horita, T., Yokokawa, H., Miyamoto, A. & Koyama, M., 12 1 2009, ECS Transactions - Fuel Cell Seminar 2008. 1 版 p. 139-148 10 p. (ECS Transactions; 巻数 17, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cells
Solid oxide fuel cells (SOFC)
Anodes

Computational chemistry study on tribochemistry of additive-based solid lubrication

Onodera, T., Kuriaki, T., Morita, Y., Suzuki, A., Koyama, M., Tsuboi, H., Hatakeyama, N., Endou, A., Takaba, H., Del Carpio, C. A., Minfray, C., Kubo, M., Martin, J. M. & Miyamoto, A., 2009, World Tribology Congress 2009 - Proceedings. p. 756 1 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Computational chemistry
Lubrication
Wear of materials
Phosphates
Friction
2 引用 (Scopus)

Computational evaluation of electrical conductivity on SiC and the influence of crystal defects

Tsuboi, H., Kabasawa, M., Ouchi, S., Sato, M., Sahnoun, R., Koyama, M., Hatakeyama, N., Endou, A., Takaba, H., Kubo, M., Del Carpio, C. A., Kitou, Y., Makino, E., Hosokawa, N., Hasegawa, J., Onda, S. & Miyamoto, A., 1 1 2009, Silicon Carbide and Related Materials 2007. Fuyuki, T., Okumura, H., Fukuda, K., Nishizawa, S., Kimoto, T. & Suzuki, A. (版). Trans Tech Publications Ltd, p. 497-500 4 p. (Materials Science Forum; 巻数 600-603).

研究成果: 著書/レポートタイプへの貢献会議での発言

Crystal defects
Silicon carbide
crystal defects
silicon carbides
Crystals

Development of novel quantum chemical molecular dynamics simulator and its application to tribochemistry

Endou, A., Onodera, T., Suzuki, A., Koyama, M., Tsuboi, H., Hatakeyama, N., Takaba, H., Del Carpio, C. A., Kubo, M. & Miyamoto, A., 2009, World Tribology Congress 2009 - Proceedings. p. 619 1 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Molecular dynamics
Simulators
Adsorption
Molecules
Tribology

Effect of misfit angle on superlubricity of molybdenum disulfide: A computational chemistry study

Morita, Y., Onodera, T., Kuriaki, T., Suzuki, A., Sahnoun, R., Koyama, M., Tsuboi, H., Hatakeyama, N., Endou, A., Takaba, H., Del Carpio, C. A., Kubo, M. & Miyamoto, A., 12 1 2009, World Tribology Congress 2009 - Proceedings. 1 p. (World Tribology Congress 2009 - Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Computational chemistry
Sulfur
Molybdenum
Tribology
Lubrication

Theoretical study for properties of SOFC anode using three-dimensional porous structure simulator

Ogura, T., Ishimoto, T., Nagumo, R. & Koyama, M., 12 1 2009, ECS Transactions - Solid Oxide Fuel Cells 11 (SOFC-XI). 2 PART 3 版 p. 1847-1853 7 p. (ECS Transactions; 巻数 25, 番号 2 PART 3).

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Anodes
Simulators
Microstructure
Phase boundaries

Theoretical study on dissolved structure of Pt complex in polymer electrolyte fuel cell

Ishimoto, T., Nagumo, R., Ogura, T. & Koyama, M., 2009, ECS Transactions - Proton Exchange Membrane Fuel Cells 9. 1 PART 1 版 巻 25. p. 799-806 8 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cells
Ligands
Electrolytes
Electrocatalysts
Solvation
2008

A theoretical study on chemical reaction of water molecules under laser irradiation: Ultra-accelerated quantum chemical molecular dynamics approach

Endou, A., Nomura, A., Sasaki, Y., Chiba, K., Hata, H., Okushi, K., Suzuki, A., Koyama, M., Tsuboi, H., Hatakeyama, N., Takaba, H., Kubo, M., Del Carpio, C. A., Kitada, M., Kabashima, H. & Miyamoto, A., 10 1 2008, Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, NSTI-Nanotech, Nanotechnology 2008. p. 713-716 4 p. (Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, NSTI-Nanotech, Nanotechnology 2008; 巻数 3).

研究成果: 著書/レポートタイプへの貢献会議での発言

Laser beam effects
Molecular dynamics
Chemical reactions
Molecules
Water
2 引用 (Scopus)

Multi-scale simulation approach for polymer electrolyte fuel cell cathode design

Koyama, M., Kim, D., Kim, B., Hattori, T., Suzuki, A., Sahnoun, R., Tsuboi, H., Hatakeyama, N., Endou, A., Takaba, H., Del Carpio, C. A., Deka, R. C., Kubo, M. & Miyamoto, A., 12 1 2008, ECS Transactions - Proton Exchange Membrane Fuel Cells 8. 2 PART 1 版 p. 57-66 10 p. (ECS Transactions; 巻数 16, 番号 2 PART 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Fuel cells
Cathodes
Simulators
Electrolytes
Computational chemistry
2 引用 (Scopus)

The effect of particle size on the microstructure and the effective reaction zone of SOFC cermet anodes

Fukunaga, H., Azuma, J., Takatsuka, T. & Koyama, M., 12 1 2008, ECS Transactions - Solid State Ionic Devices 6 - Nanoionics - 214th ECS Meeting. 51 版 p. 229-234 6 p. (ECS Transactions; 巻数 16, 番号 51).

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid oxide fuel cells (SOFC)
Anodes
Particle size
Flow rate
Microstructure
2006

An evolving automaton for RNA secondary structure prediction

Del Carpio, C. A. M., Ismael, M., Ichiishi, E., Koyama, M., Kubo, M. & Miyamoto, A., 12 1 2006, International Joint Conference on Neural Networks 2006, IJCNN '06. p. 2226-2233 8 p. 1716388. (IEEE International Conference on Neural Networks - Conference Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

RNA
Genetic programming
Free energy
2005
2 引用 (Scopus)

Large-scale quantum chemical molecular dynamics simulations on the formation dynamics of hydrogen by the chemical reactions of water

Kubo, M., Sasaki, Y., Chiba, K., Qiang, P., Rajjak, A., Tsuboi, H., Koyama, M., Broclawik, E., Akutsu, K., Hirota, M., Kitada, M., Hirata, H. & Miyamoto, A., 12 1 2005, Proceedings of the ASME Summer Heat Transfer Conference, HT 2005. p. 261-263 3 p. HT2005-72132. (Proceedings of the ASME Summer Heat Transfer Conference; 巻数 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Molecular dynamics
Chemical reactions
Hydrogen
Molecules
Computer simulation