Sugahara Takeshi

Affiliation and department：

Research field (5)： Energy chemistry , Green/sustainable/environmental chemistry , Chemical reaction and process system engineering , Transfer phenomena and unit operations , Basic physical chemistry

Research keywords (11)： latent heat storage material , hydrogen hydrate , methane hydrate , semiclathrate hydrate , Solution structure , Clathrate compound , Raman spectroscopy , Gas hydrate , Applied Physical Chemistry , Chemical Engineering , high-pressure phase equilibria

Research theme for competitive and other funds (24)：

2023 - 2027 Carbon recycle and development of seabed ground improvement technique using carbon dioxide mixed material hydrate
2022 - 2025 Ion conductivity of clathrate hydrates
2018 - 2024 超臨界メタンを基質兼媒質とした均一系・不均一系触媒プロセスの開発
2018 - 2023 蓄熱技術の研究開発(高密度/長期蓄熱材料の研究開発) Phase 2
2018 - 2021 溶液構造の電子顕微鏡観察による結晶生成ヒステリシスの解明

2015 - 2018 蓄熱技術の研究開発(高密度/長期蓄熱材料の研究開発) Phase 1

2013 - 2014 ガスハイドレートナノ反応場を利用した高効率なアルコール類合成法の開発

2013 - 2014 圧力印加による新規クラスレート化合物の創成

2010 - 2013 Preparation of gas Hydrates with the Balance between Gas Storage Amounts and Formation Conditions

2011 - 2012 包接化合物を利用した分子状水素貯蔵媒体の探索

2009 - 2012 Occupancy and Migration of Guest Species in Clathrate Hydrates

2010 - 2011 温和な条件における分子状水素貯蔵媒体の探求

2007 - 2009 Cage-Occupancy Ability of H2 in Various Crystal Structures of Gas Hydrates

2002 - 2009 メタンハイドレート資源開発生産手法開発に係わるハイドレート塊の包晶・自己保存性に関する研究

2008 - 2009 Fundamental Study on Gas Separation and Storage Techniques by use of Clathrate Hydrate

2006 - 2007 水素系混合ハイドレートを利用する水素貯蔵技術の開発

2005 - 2006 水素系混合ハイドレートを利用する水素貯蔵の可能性研究

2004 - 2005 混合ガスを用いた天然ガスハイドレート(NGH)ペレット輸送チェーンの開発

2003 - 2004 ガスハイドレートを利用した水素分離技術に関する研究

2002 - 2004 ガスハイドレートによる天然ガス輸送チェーンの開発

2002 - 2004 ゲスト分子の占有性とガスハイドレートの構造相転移現象に関する研究

2001 - 2004 ガスハイドレートペレットの物性および特性に関する研究

Thermodynamic stability of gas hydrates and cage occupancy of guest molecules

Substitution of CH₄ with CO₂ in CH₄ hyderate crystal

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Papers (112)：

Jin Shimada, Takeshi Sugahara, Atsushi Tani, Takahiro Ueda, Riko Tsugaya, Katsuhiko Tsunashima, Takayuki Hirai. Effects of Halide Anions on the Electrical Conductivity in Single-Crystalline Tetra-n-butylammonium Salt Semiclathrate Hydrates. Energy & Fuels. 2024. 38. 6471-6477
Shin-ichi Ohkoshi, Kosuke Nakagawa, Marie Yoshikiyo, Asuka Namai, Kenta Imoto, Yugo Nagane, Fangda Jia, Olaf Stefanczyk, Hiroko Tokoro, Junhao Wang, et al. Giant adiabatic temperature change and its direct measurement of a barocaloric effect in a charge-transfer solid. Nature Communications. 2023. 14. 1. 8466
Ryosuke Kobatake, Takeshi Sugahara, Takayuki Hirai. Separation of Propane and Propylene by Urea Clathrate Formation. Industrial & Engineering Chemistry Research. 2023. 62. 21380-21384
Kazuhiro Minamikawa, Jin Shimada, Takeshi Sugahara, Takayuki Hirai. Thermodynamic Properties of Tetra-<i>n</i>-butylammonium and Tetra-<i>n</i>-butylphosphonium Hydroxycarboxylate Semiclathrate Hydrates. Journal of Chemical & Engineering Data. 2023. 68. 12. 3492-3498
Jin Shimada, Atsushi Tani, Takeshi Yamada, Takeshi Sugahara, Takayuki Hirai, Takuo Okuchi. Quasi-Elastic Neutron Scattering Studies on Fast Dynamics of Water Molecules in Tetra-n-butylammonium Bromide Semiclathrate Hydrate. Applied Physics Letters. 2023. 123. 4. 044104-1-6

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MISC (40)：

嶋田仁, 菅原武, 平井隆之. 固体結晶中にあるイオンまわりの水分子の挙動-水分子を用いた材料開発の新たな設計指針を提案-. 化学. 2024. 79. 1. 33-36
町田博宣, 菅原武, 平沢泉. 蓄冷用クラスレートハイドレート形成における過冷却抑制. 化学工学会秋季大会研究発表講演要旨集(CD-ROM). 2022. 53rd
町田博宣, 菅原武, 平沢泉. 2-1-3 Crystallization of cold storage material by dynamic stimulation. 日本エネルギー学会大会講演要旨集(Web). 2022. 31
Takeshi Sugahara, Hironobu Machida. Hysteresis of Crystallization Derived from Residual Solution Structures after Semiclathrate Hydrate Decomposition. Japanese J. Multiphase Flow. 2021. 35. 4. 516-524
SUGAHARA Takeshi. Equilibrium Phase Relations of Gas Hydrates and Cage Occupancy of Guest Species. Journal of the Japan Institute of Energy "Enermix". 2019. 98. 1. 47-51

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Books (4)：

日本のガスハイドレート研究のあゆみ
日本工業出版 2020
海水の疑問50
成山堂書店 2017 ISBN:9784425830916
水素利用技術集成Vol.4 高効率貯蔵技術、水素社会構築を目指して
エヌ・ティー・エス 2014 ISBN:9784864690829
おもしろい海・気になる海Q&A
工業調査会 2004

Lectures and oral presentations (106)：

Supercooling Suppression in the Tetrahydrofuran Clathrate Hydrate Formation
(15th International Conference on the Physics and Chemistry of Ice (PCI2023) 2023)
Effect of Functional Group in Dicarboxylate Anions on the Latent Heat Storage Properties of Semiclathrate Hydrates
(15th International Conference on the Physics and Chemistry of Ice (PCI2023) 2023)
Proton Conduction Mechanism in TBAB Semiclathrate Hydrate Obtained by NMR and QENS Measurements
(15th International Conference on the Physics and Chemistry of Ice (PCI2023) 2023)
Proton conduction in tetra-n-butylammonium bromide semiclathrate hydrate
(10th International Conference on Gas Hydrates (ICGH10) 2023)
Supercooling suppression of semiclathrate hydrates by promoting cluster formation
(10th International Conference on Gas Hydrates (ICGH10) 2023)

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Works (10)：

ハイドレートケージにおけるゲスト物質の滞留と拡散に関する研究
2011 -
ガス貯蔵量増加と製造条件緩和の両立を図るガスハイドレート調製法の確立
2011 -
ハイドレートケージにおけるゲスト物質の滞留と拡散に関する研究
2010 -
ガス貯蔵量増加と製造条件緩和の両立を図るガスハイドレート調製法の確立
2010 -
ハイドレートケージにおけるゲスト物質の滞留と拡散に関する研究
2009 -

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Professional career (2)：

Ph.D. (Osaka University)
Master Degree (Osaka University)

Work history (4)：

2007/04 - 現在 Osaka University Graduate School of Engineering Science Assistant Professor
2016/04 - 2019/03 National Institute of Advanced Industrial Science and Technology
2008 - 2009 Colorado School of Mines, Visiting Research Scholar
2001/04 - 2007/03 Osaka University Graduate School of Engineering Science Assistant Professor(Research)

Committee career (5)：

2021/12 - 現在 Japanese Society of Latent Heat Engineers Board member
2016/05 - 現在 Division of Physical Properties, The Society of Chemical Engineers, Japan Board member
2018/12 - 2021/12 Japanese Society of Latent Heat Engineers (past) Board member
2016/04 - 2019/03 ガスハイドレート産業創出イノベーション(GHIC) 幹事
2015/01 - 2017/12 American Chemical Society (ACS) Editorial Advisory Board of the Journal of Chemical & Engineering Data

Awards (2)：

2010/10 - Osaka University "HISHO 30" The Top Thirty Young Researchers of Osaka University
2005 - The Japan Society of High Pressure Science and Technology Prize for encouragement

Association Membership(s) (5)：

Japanese Society of Latent Heat Engineers , American Chemical Society , THE JAPAN SOCIETY OF HIGH PRESSURE SCIENCE AND TECHNOLOGY , THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN , THE JAPAN INSTITUTE OF ENERGY

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