中村優美子 (Yumiko Nakamura) - マイポータル

基本情報

所属: 国立研究開発法人産業技術総合研究所創エネルギー研究部門

J-GLOBAL ID: 200901030779264860
researchmap会員ID: 0000201741

外部リンク: http://www.aist.go.jp/RESEARCHERDB/cgi-bin/worker_detail.cgi?call=namae&rw_id=Y74997873

研究キーワード

研究分野

論文

Interstitial-atom-induced phase transformation upon hydrogenation in vanadium

Kouji Sakaki, Hyunjeong Kim, Kenji Iwase, Eric H. Majzoub, Akihiko Machida, Tetsu Watanuki, Yumiko Nakamura

Journal of Alloys and Compounds 750 33-41 2018年6月25日査読有り
Development of an in situ synchrotron X-ray total scattering setup under pressurized hydrogen gas

Kouji Sakaki, Hyunjeong Kim, Akihiko Machida, Tetsu Watanuki, Yoshinori Katayama, Yumiko Nakamura

Journal of Applied Crystallography 51 796-801 2018年3月29日査読有り
Structural Variation of Self-Organized Mg Hydride Nanoclusters in Immiscible Ti Matrix by Hydrogenation

Asano Kohta, Kim Hyunjeong, Sakaki Kouji, Jimura Keiko, Hayashi Shigenobu, Nakamura Yumiko, Ikeda Kazutaka, Otomo Toshiya, Machida Akihiko, Watanuki Tetsu

Inorganic Chemistry 57(18) 11831-11838 2018年査読有り
Effect of CO2 on hydrogen absorption in Ti-Zr-Mn-Cr based AB(2) type alloys

Nobuko Hanada, Hirotaka Asada, Tessui Nakagawa, Hiroki Higa, Masayoshi Ishida, Daichi Heshiki, Tomohiro Toki, Itoko Saita, Kohta Asano, Yumiko Nakamura …

JOURNAL OF ALLOYS AND COMPOUNDS 705 507-516 2017年5月査読有り
High-Pressure-Hydrogen-Induced Spin Reconfiguration in GdFe2 Observed by Fe-57-Polarized Synchrotron Radiation Mossbauer Spectroscopy with Nuclear Bragg Monochromator

Takaya Mitsui, Yasuhiko Imai, Naohisa Hirao, Takahiro Matsuoka, Yumiko Nakamura, Kouji Sakaki, Hirotoshi Enoki, Naoki Ishimatsu, Ryo Masuda, Makoto Seto

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85(12) 2016年12月査読有り
Formation of hydride phase and diffusion of hydrogen in the V-H system varied by substitutional Fe

Kohta Asano, Shigenobu Hayashi, Yumiko Nakamura

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41(15) 6369-6375 2016年4月査読有り
Effect of dissolved oxygen on hydrogenation of vanadium and hydrogen diffusion in the monohydride phase

Kohta Asano, Shigenobu Hayashi, Kouji Mimura, Hirotoshi Enoki, Yumiko Nakamura

ACTA MATERIALIA 103 23-29 2016年1月査読有り
Cost reduction possibilities of vanadium-based solid solutions - Microstructural, thermodynamic, cyclic and environmental effects of ferrovanadium substitution

Ulrich Ulmer, Kohta Asano, Andreas Patyk, Hirotoshi Enoki, Yumiko Nakamura, Alexander Pohl, Roland Dittmeyer, Maximilian Fichtner

JOURNAL OF ALLOYS AND COMPOUNDS 648 1024-1030 2015年11月査読有り
Dependence of constituent elements of AB(5) type metal hydrides on hydrogenation degradation by CO2 poisoning

Nobuko Hanada, Tessui Nakagawa, Hirotaka Asada, Masayoshi Ishida, Keisuke Takahashi, Shigehito Isobe, Itoko Saita, Kohta Asano, Yumiko Nakamura, Akitoshi Fujisawa …

JOURNAL OF ALLOYS AND COMPOUNDS 647 198-203 2015年10月査読有り
Hydrogenation of a TiFe-based alloy at high pressures and temperatures

Naruki Endo, Itoko Saita, Yumiko Nakamura, Hiroyuki Saitoh, Akihiko Machida

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 40(8) 3283-3287 2015年3月査読有り
Observation of Transient Structural Changes on Hydrogen Absorption Process of LaNi4.75Sn0.25 by Time Resolved X-Ray Diffraction

Akihiko Machida, Kensuke Higuchi, Yoshinori Katayama, Kouji Sakaki, Hyunjeong Kim, Yumiko Nakamura

JOURNAL OF THE JAPAN INSTITUTE OF METALS 79(3) 124-130 2015年査読有り
Enhancement of hydrogen diffusion in the body-centered tetragonal monohydride phase of the V-H system by substitutional Al studied by proton nuclear magnetic resonance

Kohta Asano, Shigenobu Hayashi, Yumiko Nakamura

ACTA MATERIALIA 83 479-487 2015年1月査読有り
Effect of a Quenching Rate on Hydrogen Storage Properties of V0.79Ti0.2Zr0.01

Hyunjeong Kim, Kouji Sakaki, Kohta Asano, Kazutaka Ikeda, Toshiya Otomo, Akihiko Machida, Tetsu Watanuki, Yumiko Nakamura

JOURNAL OF THE JAPAN INSTITUTE OF METALS 79(3) 131-136 2015年査読有り
Development of ZrxTi1-xMn0.8V0.2Ni0.9M0.1 (M=Ni, Al, Fe, Cu) Alloys for a Soft Actuator Using Hydrogen Storage Alloys

Kouji Sakaki, Hyunjeong Kim, Hirotoshi Enoki, Minako Hosono, Shin-ichi Yoshimura, Shuichi Ino, Yumiko Nakamura

JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS 79(5) 257-264 2015年査読有り
Compositional Dependence of Hydrogenation Properties in Ti1+y(Fe1-xMnx)(1-y) (0.2 <= x <= 0.5, 0 <= y <= 0.08)

Kouji Sakaki, Hyunjeong Kim, Akihiko Machida, Tetsu Watanuki, Yumiko Nakamura

JOURNAL OF THE JAPAN INSTITUTE OF METALS 79(3) 112-117 2015年査読有り
Effect of oxygen on the microstructure and hydrogen storage properties of V-Ti-Cr-Fe quaternary solid solutions

Ulrich Ulmer, Kohta Asano, Thomas Bergfeldt, Venkata Sai Kiran Chakrauadhanula, Roland Dittmeyer, Hirotoshi Enoki, Christian Kuebel, Yumiko Nakamura, Alexander Pohl, Maximilian Fichtner

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 39(35) 20000-20008 2014年12月査読有り
Improving the Cyclic Stability of V-Ti-Mn bcc Alloys Using Interstitial Elements

Hyunjeong Kim, Kouji Sakaki, Yumiko Nakamura

MATERIALS TRANSACTIONS 55(8) 1144-1148 2014年8月査読有り
Development of Ti-Zr-Mn Based Hydrogen Storage Alloys for a Soft Actuator

Kouji Sakaki, Hyunjeong Kim, Hirotoshi Enoki, Shin-ichi Yoshimura, Shuichi Ino, Yumiko Nakamura

MATERIALS TRANSACTIONS 55(8) 1168-1174 2014年8月査読有り
Reduction and unusual recovery in the reversible hydrogen storage capacity of V1-xTix during hydrogen cycling

Hyunjeong Kim, Kouji Sakaki, Itoko Saita, Hirotoshi Enoki, Kazuo Noguchi, Akihiko Machida, Tetsu Watanuki, Yumiko Nakamura

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 39(20) 10546-10551 2014年7月査読有り
Synthesis and structural study of Ti-rich Mg-Ti hydrides

Kohta Asano, Hyunjeong Kim, Kouji Sakaki, Katharine Page, Shigenobu Hayashi, Yumiko Nakamura, Etsuo Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 593 132-136 2014年4月査読有り

もっとみる

MISC

Lattice defect behavior of LaNi4.97Sn0.27 during hydrogenation cycles

Kouji Sakaki, Yumiko Nakamura, Yasuharu Shirai, Robert C. Bowman, Etsuo Akiba

MATERIALS TRANSACTIONS 47(8) 1875-1877 2006年8月
Phase transformation in La(CoxNi5-x)-H systems (x=2, 3, 5) studied by in situ X-ray diffraction

Y Nakamura, T Nomiyama, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 413(1-2) 54-62 2006年3月
The observation of the lattice defect formation during the hydrogenation and dehydroge-nation in La(Ni,Sn)5 by in-situ positron lifetime measurement

Materials research society symposium proceedings 855 2006年
Average and Local Structures in Hydrogen Absorbing Ti-Cr-Mo Alloys

MATERIALS TRANSACTIONS 47(2) 271-274 2006年
Hydrogen absorption-desorption properties and crystal structure analysis of Ti-Cr-Mo alloys

K Iwase, Y Nakamura, K Mori, S Harjo, T Ishigaki, T Kamiyama, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 404 99-102 2005年12月
Sub-nano and nano-structures of hydrides of LaNi5 and its related intermetallics

E Akiba, K Sakaki, Y Nakanura

Integrative and Interdisciplinary Aspects of Intermetallics 842 339-345 2005年
中性子で見る水素吸蔵材料の結晶構造・局所構造

ELECTROCHEMISTRY 73(1) 88-92 2005年
Crystal structure and hydrogen occupation of LaNi4.9Al0.1Dx (5.0 <= x <= 6.1) on the desorption isotherm studied by in situ neutron powder diffraction

Y Nakamura, T Ishigaki, T Kamiyama, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 384(1-2) 195-202 2004年12月
Strain formation and lattice parameter change in LaN4.75Sn0.25-H system during the initial activation process

Y Nakamura, RC Bowman, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 373(1-2) 183-193 2004年6月
Nano scale structure such as nano-size crystallites and defects can be found in conventional hydrogen absorbing alloys

E Akiba, H Enoki, Y Nakamura

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY 108(1-2) 60-66 2004年4月
Structure analysis of Ti-Cr-Mo alloy containing hydrogen

Proceedings of the 15th World Hydrogen Energy Conference 2004年
Nonostructures of Hydrogen Absorbing Alloys

PROCESSING AND FABRICATION OF ADVANCED MATERIALS XII 442-452 2004年
水素吸蔵合金の水素化反応と結晶構造・ナノ構造

中村優美子, 秋葉悦男

日本結晶学会誌 46(1) 38-42 2004年
Hydrogen-induced phase decomposition of Ba7Al13 and the crystal structure of Ba2AlH7

QA Zhang, Y Nakamura, K Oikawa, T Kamiyama, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 361(1-2) 180-186 2003年10月
Phase relations and hydrogenation behavior of Sr(Al1-xMgx)(2)

QA Zhang, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 360(1-2) 143-150 2003年10月
Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys

K Kubo, H Itoh, T Takahashi, T Ebisawa, T Kabutomori, Y Nakamura, E Akiba

JOURNAL OF ALLOYS AND COMPOUNDS 356 452-455 2003年8月
New alkaline earth aluminum hydride with one-dimensional zigzag chains of [AlH6]: Synthesis and crystal structure of BaAlH5

QA Zhang, Y Nakamura, K Oikawa, T Kamiyama, E Akiba

INORGANIC CHEMISTRY 41(26) 6941-6943 2002年12月

所属学協会

共同研究・競争的資金等の研究課題

1.水素吸蔵材料 2.Ｘ線・中性子散乱を用いた構造解析

受託研究
Hydrogen storage

Funded Research