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Yasuhiro Umebayashi

Yasuhiro Umebayashi

D-Index & Metrics

Chemistry

D-Index
51
Citations
8488
World Ranking
14054
National Ranking
1087

Overview

Yasuhiro Umebayashi is affiliated with Niigata University in Japan and has contributed significantly to the fields of engineering and chemical engineering, with a particular focus on electrical and electronic engineering, catalysis, materials chemistry, mechanical engineering, and biomedical engineering.

The primary areas of research work include advanced battery materials and technologies, ionic liquids properties and applications, advancements in battery materials, solid-state spectroscopy and crystallography, extraction and separation processes, chemical and physical properties in aqueous solutions, and advanced battery technologies research.

The scientist has published extensively in several journals, with frequent contributions to the following venues:

  • The Journal of Physical Chemistry B
  • Journal of Molecular Liquids
  • Bulletin of the Chemical Society of Japan
  • The Journal of Physical Chemistry C
  • The Journal of Chemical Physics

Recent papers authored or co-authored by Yasuhiro Umebayashi include:

  • Transport Properties of Ionic Liquid and Sodium Salt Mixtures for Sodium-Ion Battery Electrolytes from Molecular Dynamics Simulation with a Self-Consistent Atomic Charge Determination, 2020, The Journal of Physical Chemistry B
  • Speciation Analysis and Thermodynamic Criteria of Solvated Ionic Liquids: Ionic Liquids or Superconcentrated Solutions?, 2020, The Journal of Physical Chemistry Letters
  • Effect of Brønsted Acidity on Ion Conduction in Fluorinated Acetic Acid and N-Methylimidazole Equimolar Mixtures as Pseudo-protic Ionic Liquids, 2020, The Journal of Physical Chemistry B
  • Ionic conduction within non-stoichiometric N-Methylimidazole-Acetic Acid Pseudo-Protic ionic liquid mixtures, 2022, Journal of Molecular Liquids
  • Thermodynamic aspect of sulfur, polysulfide anion and lithium polysulfide: plausible reaction path during discharge of lithium-sulfur battery, 2021, Physical Chemistry Chemical Physics

The scientist collaborates frequently with several co-authors, including:

  • Hikari Watanabe
  • Jihae Han
  • Nana Arai
  • Yasuo Kameda
  • Shiro Seki

Best Publications

  • Conformational Equilibrium of Bis(trifluoromethanesulfonyl) Imide Anion of a Room-Temperature Ionic Liquid: Raman Spectroscopic Study and DFT Calculations

    Kenta Fujii;Takao Fujimori;Toshiyuki Takamuku;Ryo Kanzaki

  • Lithium Ion Solvation in Room-Temperature Ionic Liquids Involving Bis(trifluoromethanesulfonyl) Imide Anion Studied by Raman Spectroscopy and DFT Calculations

    Yasuhiro Umebayashi;Takushi Mitsugi;Shuhei Fukuda;Takao Fujimori

  • Direct Evidence for Li Ion Hopping Conduction in Highly Concentrated Sulfolane-Based Liquid Electrolytes.

    Kaoru Dokko;Daiki Watanabe;Yosuke Ugata;Morgan L. Thomas

  • Li(+) solvation in glyme-Li salt solvate ionic liquids.

    Kazuhide Ueno;Ryoichi Tatara;Seiji Tsuzuki;Soshi Saito

  • Chelate effects in glyme/lithium bis(trifluoromethanesulfonyl)amide solvate ionic liquids. I. Stability of solvate cations and correlation with electrolyte properties.

    Ce Zhang;Kazuhide Ueno;Azusa Yamazaki;Kazuki Yoshida

  • Evidence of Conformational Equilibrium of 1-Ethyl-3-methylimidazolium in Its Ionic Liquid Salts: Raman Spectroscopic Study and Quantum Chemical Calculations

    Yasuhiro Umebayashi;Takao Fujimori;Tetsuya Sukizaki;Mitsunori Asada

  • Comprehensive Refractive Index Property for Room-Temperature Ionic Liquids

    Shiro Seki;Seiji Tsuzuki;Kikuko Hayamizu;Yasuhiro Umebayashi;Yasuhiro Umebayashi

  • Studies on the translational and rotational motions of ionic liquids composed of N-methyl-N-propyl-pyrrolidinium (P13) cation and bis(trifluoromethanesulfonyl)amide and bis(fluorosulfonyl)amide anions and their binary systems including lithium salts.

    Kikuko Hayamizu;Seiji Tsuzuki;Shiro Seki;Kenta Fujii

  • Liquid Structure of Room-Temperature Ionic Liquid, 1-Ethyl-3-methylimidazolium Bis-(trifluoromethanesulfonyl) Imide

    Kenta Fujii;Yasufumi Soejima;Yasuhiro Kyoshoin;Shuhei Fukuda

  • Effects of cation and anion on physical properties of room-temperature ionic liquids

    Shiro Seki;Takeshi Kobayashi;Yo Kobayashi;Katsuhito Takei

  • Unusual Li+ Ion Solvation Structure in Bis(fluorosulfonyl)amide Based Ionic Liquid

    Kenta Fujii;Hiroshi Hamano;Hiroyuki Doi;Xuedan Song

  • Experimental evidences for molecular origin of low-Q peak in neutron/x-ray scattering of 1-alkyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide ionic liquids

    Kenta Fujii;Ryo Kanzaki;Toshiyuki Takamuku;Yasuo Kameda

  • Anion conformation of low-viscosity room-temperature ionic liquid 1-ethyl-3-methylimidazolium bis(fluorosulfonyl) imide.

    Kenta Fujii;Shiro Seki;Shuhei Fukuda;Ryo Kanzaki

  • Solvation Structure of Li+ in Concentrated LiPF6−Propylene Carbonate Solutions

    Yasuo Kameda;Yasuhiro Umebayashi;Munetaka Takeuchi;Mohanmmad Abdul Wahab

  • Raman Spectroscopic Studies and Ab Initio Calculations on Conformational Isomerism of 1-Butyl-3-methylimidazolium Bis-(trifluoromethanesulfonyl)amide Solvated to a Lithium Ion in Ionic Liquids: Effects of the Second Solvation Sphere of the Lithium Ion

    Yasuhiro Umebayashi;Shuto Mori;Kenta Fujii;Seiji Tsuzuki

  • Ion–ion interactions of LiPF6 and LiBF4 in propylene carbonate solutions

    Munetaka Takeuchi;Yasuo Kameda;Yasuhiro Umebayashi;Sari Ogawa

  • A tale of two ions: the conformational landscapes of bis(trifluoromethanesulfonyl)amide and N,N-dialkylpyrrolidinium.

    José N. Canongia Lopes;Karina Shimizu;Agílio A. H. Pádua;Yasuhiro Umebayashi

  • Liquid structure of and Li+ ion solvation in bis(trifluoromethanesulfonyl)amide based ionic liquids composed of 1-ethyl-3-methylimidazolium and N-methyl-N-propylpyrrolidinium cations.

    Yasuhiro Umebayashi;Hiroshi Hamano;Shiro Seki;Babak Minofar

  • Li+ Solvation and Ionic Transport in Lithium Solvate Ionic Liquids Diluted by Molecular Solvents

    Kazuhide Ueno;Junichi Murai;Kohei Ikeda;Seiji Tsuzuki

  • Nuclear magnetic resonance studies on the rotational and translational motions of ionic liquids composed of 1-ethyl-3-methylimidazolium cation and bis(trifluoromethanesulfonyl)amide and bis(fluorosulfonyl)amide anions and their binary systems including lithium salts

    Kikuko Hayamizu;Seiji Tsuzuki;Shiro Seki;Yasuhiro Umebayashi

Frequent Co-Authors

Kenta Fujii
Kenta Fujii Yamaguchi University
Seiji Tsuzuki
Seiji Tsuzuki University of Tokyo
Shiro Seki
Shiro Seki Kogakuin University
Masayoshi Watanabe
Masayoshi Watanabe Yokohama National University
Kaoru Dokko
Kaoru Dokko Yokohama National University
Kazuhide Ueno
Kazuhide Ueno Yokohama National University
José N. Canongia Lopes
José N. Canongia Lopes Instituto Superior Técnico
Shinji Kohara
Shinji Kohara National Institute for Materials Science
Agílio A. H. Pádua
Agílio A. H. Pádua École Normale Supérieure de Lyon
Mitsuhiro Shibayama
Mitsuhiro Shibayama Comprehensive Research Organization for Science and Society

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