About Shiro Seki
Associate Professor Shiro SEKI, Ph. D.
Department of Environmental Chemistry and Chemical Engineering, School of Advanced Engineering.
Papers
2017
- [89] S. Seki,* N. Serizawa, K. Takei, Y. Umebayashi, S. Tsuzuki, M. Watanabe ‘Long-cycle-life lithium-sulfur batteries with lithium solvate ionic liquid’ Electrochemistry, in press (2017).
- [88] S. Tsuzuki,* T. Mandai, S. Suzuki, W. Shinoda, T. Nakamura, T. Morishita, K. Ueno, S. Seki, Y. Umebayashi, K. Dokko,* M. Watanabe ‘Effect of the cation on the stability of cation–glyme complexes and their interactions with the [TFSA] anion’ Physical Chemistry Chemical Physics, 19, 18262-18272 (2017).
- [87] S. Seki* ‘Solvent-free 4V-class all-solid-state lithium-ion polymer secondary batteries’ Chemistry Select, 2, 3848–3853 (2017).
- [86] M. Saito,* S. Kawaharasaki, K. Ito, S. Yamada, K. Hayamizu, S. Seki ‘Strategies for fast ion transport in electrochemical capacitor electrolytes from diffusion coefficients, ionic conductivity, viscosity, density and interaction energies based on HSAB theory’ RSC Advances, 7, 14528-14535 (2017).
- [85] K. Hayamizu,* S. Seki, T. Haishi ‘Lithium ion micrometer diffusion in a garnet-type cubic Li7La3Zr2O12 (LLZO) studied using 7Li NMR spectroscopy’ The Journal of Chemical Physics, 146, 024701 (2017).
2016
- [84] M. Saito,* K. Takahashi, K. Ueno, S. Seki ‘Electrochemical charge/discharge properties of Li pre-doped Si nanoparticles for use in hybrid capacitor systems’ Journal of The Electrochemical Society, 163, A3140-A3145 (2016).
- [83] S. Saito, H. Watanabe, Y. Hayashi, M. Matsugami, S. Tsuzuki, S. Seki, J. N. C. Lopes, R. Atkin, K. Ueno, K. Dokko, M. Watanabe, Y. Kameda,* Y. Umebayashi* ‘Li+ local structure in Li–tetraglyme solvate ionic liquid revealed by neutron total scattering experiments with 6/7Li isotopic substitution technique’ The Journal of Physical Chemistry Letters, 7, 2832-2837 (2016).
- [82] S. Seki,* N. Serizawa, K. Takei, S. Tsuzuki, Y. Umebayashi, Y. Katayama, T. Miura, K. Dokko, M. Watanabe ‘Effects of Non-equimolar Lithium Salt Glyme Solvate Ionic Liquid on the Control of Interfacial Degradation in Lithium Secondary Batteries’ RSC Advances, 6, 33043-33047 (2016).
- [81] S. Saito, H. Watanabe, K. Ueno, T. Mandai, S. Seki, S. Tsuzuki, Y. Kameda, K. Dokko, M. Watanabe, Y. Umebayashi* ‘Li+ Local Structure in Hydrofluoroether Diluted Li-Glyme Solvate Ionic Liquid’ The Journal of Physical Chemistry B, 120, 3378-3387 (2016).
- [80] S. Ono,* K. Miwa, S. Seki ‘Determination of optimal ionic liquid for organic single-crystal field-effect transistors’ Applied Physics Letters, 108, 063301 (2016).
2015
- [79] T. Yamaguchi,* T. Yonezawa, K. Yoshida, T. Yamaguchi, M. Nagao, A. Faraone, S. Seki ‘Relationship between Structural Relaxation, Shear Viscosity, and Ionic Conduction of LiPF6/Propylene Carbonate Solutions’ The Journal of Physical Chemistry B, 119, 15675-15682 (2015).
- [78] H. Moon, T. Mandai, R. Tatara, K. Ueno, A. Yamazaki, K. Yoshida, S. Seki, K. Dokko*, M. Watanabe* ‘Solvent activity in electrolyte solutions controls electrochemical reactions in Li-ion and Li-sulfur batteries’ The Journal of Physical Chemistry C, 119, 3957-3970 (2015).
- [77] S. Tsuzuki,* W. Shinoda, M. Matsugami, Y. Umebayashi, K. Ueno, T. Mandai, S. Seki, K. Dokko, M. Watanabe ‘Structures of [Li(glyme)]+ complexes and their interactions with anions in equimolar
2014
- [76] K. Fujii,* S. Seki, K. Ohara, Y. Kameda, H. Doi, S. Saito, Y. Umebayashi ‘High-energy X-ray diffraction and MD simulation study on the ion-ion iteractions in 1-Ethyl-3-methylimidazolium bis(fluorosulfonyl)amide’ Journal of Solution Chemistry, 43, 1655-1668 (2014).
- [75] K. Hayamizu,* S. Tsuzuki, S. Seki ‘Transport and electrochemical properties of three quaternary ammonium ionic liquids and lithium salts doping effects studied by NMR spectroscopy’ Journal of Chemical Engineering Data, 59, 1944-1954 (2014).
- [74] S. Seki,* S. Tsuzuki, K. Hayamizu, N. Serizawa, S. Ono, K. Takei, H. Doi, Y. Umebayashi ‘Static and transport properties of alkyltrimethylammonium cation-based room-temperature ionic liquids’ The Journal of Physical Chemistry B, 118, 4590-4599 (2014).
2013
- [73] K. Fujii, H. Hamano, H. Doi, X. Song, S. Tsuzuki,* K. Hayamizu, S. Seki, Y. Kameda, K. Dokko, M. Watanabe, Y. Umebayashi* ‘Unusual Li+ ion solvation structure in bis(fluorosulfonyl)amide based ionic liquid’ The Journal of Physical Chemistry C, 117, 19314-19324 (2013).
- [72] N. Serizawa,* S. Seki, K. Takei, H. Miyashiro, K. Yoshida, K. Ueno, N. Tachikawa, K. Dokko, Y. Katayama, M. Watanabe, T. Miura ‘EQCM measurement of deposition and dissolution of lithium in glyme-Li salt molten complex’ Journal of The Electrochemical Society, 160, A1529-A1533 (2013).
- [71] S. Seki,* N. Serizawa, K. Takei, K. Dokko, M. Watanabe ‘Charge / discharge performances of glyme - lithium salt equimolar complex electrolyte for lithium secondary batteries’ Journal of Power Sources, 243, 323-327 (2013).
- [70] K. Dokko, N. Tachikawa, K. Yamauchi, M. Tsuchiya, A. Yamazaki, E. Takashima, J. Park, K. Ueno, S. Seki, N. Serizawa, M. Watanabe* ‘Solvate ionic liquid electrolyte for Li-S batteries’ Journal of The Electrochemical Society, 160, A1304-A1310 (2013).
- [69] S. Tsuzuki,* W. Shinoda, S. Seki, Y. Umebayashi, K. Yoshida, K. Dokko, M. Watanabe ‘Intermolecular interactions in Li+-glyme and Li+-glyme–TFSA− complexes: Relationship with physicochemical properties of [Li(glyme)][TFSA] ionic liquids’ CHEMPHYSCHEM, 14, 1993-2001 (2013).
- [68] K. Fujii,* M. Shibayama, T. Yamaguchi, K. Yoshida, T. Yamaguchi, S. Seki, H. Uchiyama, A. Q. R. Baron, Y. Umebayashi ‘Collective dynamics of room-temperature ionic liquids and their Li ion solutions studied by high-resolution inelastic X-ray scattering’ Journal of Chemical Physics, 138, 151101 (2013).
2012
- [67] K. Hayamizu,* S. Tsuzuki, S. Seki, Y. Umebayashi ‘Multinuclear NMR studies on translational and rotational motion for two ionic liquids composed of BF4 anion’ The Journal of Physical Chemistry B, 116, 11284-11291 (2012).
- [66] S. Seki,* Y. Ohno, Y. Mita, N. Serizawa, K. Takei, H. Miyashiro ‘Imidazolium-based room-temperature ionic liquid for lithium secondary batteries - relationships between lithium salt concentration and battery performance characteristics’ ECS Electrochemistry Letters, 1, A77-A79 (2012).
- [65] S. Seki,* S. Tsuzuki,* K. Hayamizu, Y. Umebayashi, N. Serizawa, K. Takei, H. Miyashiro ‘Comprehensive property of refractive index for room-temperature ionic liquids’ Journal of Chemical Engineering Data, 57, 2211-2216 (2012).
- [64] S. Seki,* N. Serizawa, K. Hayamizu, S. Tsuzuki, Y. Umebayashi, K. Takei, H. Miyashiro ‘Physicochemical and electrochemical properties of 1-ethyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate and 1-ethyl-3-methylimidazolium tetracyanoborate’ Journal of The Electrochemical Society, 159, A967-A971 (2012).
- [63] T. Sakanoue,* K. Sawabe, Y. Yomogida, T. Takenobu, S. Seki, S. Ono* ‘Optically pumped amplified spontaneous emission in an ionic liquid-based polymer light-emitting electrochemical cell’ Applied Physics Letters, 100, 263301 (2012).
- [62] T. Yamaguchi,* K. Mikawa, S. Koda, N. Serizawa, S. Seki, K. Fujii, Y. Umebayashi ‘Effects of lithium salts on shear relaxation spectra of pyrrolidinium-based ionic liquids’ The Journal of Physical Chemistry B, 116, 7322-7327 (2012).
2011
- [61] Y. Umebayashi,* H. Hamano, S. Seki, B. Minofar, K. Fujii, K. Hayamizu, S. Tsuzuki, Y. Kameda, S. Kohara, M. Watanabe ‘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’ The Journal of Physical Chemistry B, 115, 12179-12191 (2011).
- [60] K. Hayamizu,* S. Tsuzuki, S. Seki, Y. Umebayashi ‘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’ Journal of Chemical Physics, 135, 084505 (2011).
- [59] K. Yoshida, M. Nakamura, Y. Kazue, N. Tachikawa, S. Tsuzuki, S. Seki, K. Dokko, M. Watanabe* ‘Oxidative-stability enhancement and charge transport mechanism in glyme-lithium salt equimolar complexes’ Journal of the American Chemical Society, 133, 13121-13129 (2011).
- [58] N. Serizawa,* S. Seki, S. Tsuzuki, K. Hayamizu, Y. Umebayashi, K. Takei, H. Miyashiro ‘Physicochemical and electrochemical properties of room-temperature ionic liquids composed of cations with N-P bonds and their application in lithium secondary battery’ Journal of The Electrochemical Society, 158, A1023-A1070 (2011).
- [57] S. Seki,* K. Takei, H. Miyashiro, M. Watanabe ‘Physicochemical and electrochemical properties of glyme-LiN(SO2F)2 complex for safe lithium-ion secondary battery electrolyte’ Journal of The Electrochemical Society, 158, A769-A774 (2011).
- [56] K. Hayamizu,* S. Tsuzuki, S. Seki ‘Temperature-dependent 11B spin–lattice relaxation time for BF4 and CF3BF3 anions in room-temperature ionic liquids’ Magnetic Resonance in Chemistry, 49, 6-8 (2011).
- [55] K. Hayamizu,* S. Tsuzuki, S. Seki ‘Temperature-dependent 11B spin–lattice relaxation time for BF4 and CF3BF3 anions in room-temperature ionic liquids’ Magnetic Resonance in Chemistry, 49, 6-8 (2011).
2010
- [54] S. Tsuzuki,* K. Hayamizu, S. Seki* ‘Origin of the low-viscosity of [emim][(FSO2)2N] ionic liquid and its lithium salt mixture: Experimental and theoretical study of self-diffusion coefficients, conductivities, and intermolecular interactions’ The Journal of Physical Chemistry B, 114, 16329-16336 (2010).
- [53] K. Hayamizu,* S. Tsuzuki, S. Seki, K. Fujii, M. Suenaga, Y. 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’ Journal of Chemical Physics, 133, 194505 (2010).
- [52] Y. Umebayashi,* S. Mori, K. Fujii, S. Tsuzuki,* S. Seki, K. Hayamizu, S. Ishiguro ‘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’ The Journal of Physical Chemistry B, 114, 6513-6521 (2010).
- [51] S. Seki,* T. Kobayashi, N. Serizawa, Y. Kobayashi, K. Takei, H. Miyashiro, K. Hayamizu, S. Tsuzuki, T. Mitsugi, Y. Umebayashi, M. Watanabe ‘Electrolyte properties of 1-alkyl-2,3,5-trimethylpyrazolium cation-based room-temperature ionic liquids for lithium secondary batteries’ Journal of Power Sources, 195, 6207-6211 (2010).
- [50] T. Kobayashi,* S. Seki, Y. Mita, H. Miyashiro, N. Terada, T. Kojima ‘AC impedance analysis for 10 Ah-class lithium-ion batteries’ Electrochemistry, 78, 416-419 (2010).
- [49] Y. Mita,* S. Seki, N. Terada, N. Kihira, K. Takei, H. Miyashiro ‘Accelerated test methods for life estimation of high-power lithium-ion batteries’ Electrochemistry, 78, 384-386 (2010).
- [48] S. Seki,* T. Kobayashi, Y. Kobayashi, K. Takei, H. Miyashiro, K. Hayamizu, S. Tsuzuki, T. Mitsugi, Y. Umebayashi ‘Effects of cation and anion on physical properties of room-temperature ionic liquids’ Journal of Molecular Liquids, 152, 9-13 (2010).
2009
- [47] Y. Umebayashi, J-C. Jiang, K-H. Lin, Y-L. Shan, K. Fujii, S. Seki, S. Ishiguro, S. H. Lin, H-C. Chang* ‘Solvation and microscopic properties of ionic liquid/acetonitrile mixtures probed by high-pressure infrared spectroscopy’ Journal of Chemical Physics, 130, 234502 (2009).
- [46] S. Ono,* K. Miwa, S. Seki, J. Takeya ‘High-performance organic field-effect transistors with binary ionic liquids’ Organic Electronics, 10, 1579-1582 (2009).
- [45] S. Ono,* K. Miwa, S. Seki, J. Takeya ‘High-performance organic field-effect transistors with ionic liquids’ Electrochemistry, 77, 617-619 (2009).
- [44] S. Seki,* N. Kihira, T. Kobayashi, Y. Kobayashi, Y. Mita, K. Takei, H. Miyashiro, S. Kuwabata ‘Functionalized room-temperature ionic liquids for lithium secondary battery electrolyte materials’ Electrochemistry, 77, 690-692 (2009).
- [43] A. Usami,* S. Seki, Y. Mita, H. Kobayashi, H. Miyashiro, N. Terada ‘Temperature dependence of open-circuit voltage in dye-sensitized solar cells’ Solar Energy Materials and Solar Cells, 93, 840-842 (2009).
- [42] S. Seki,* K. Hayamizu, S. Tsuzuki, K. Fujii, Y. Umebayashi, T. Mitsugi, T. Kobayashi, Y. Ohno, Y. Kobayashi, Y. Mita, H. Miyashiro, S. Ishiguro ‘Relationships between center atom species (N, P) and ionic conductivity, viscosity, density, self-diffusion coefficient of quaternary cation room-temperature ionic liquids’ Physical Chemistry Chemical Physics, 11, 3509-3514 (2009).
- [41] Y. Umebayashi,* T. Mitsugi, K. Fujii, S. Seki, K. Chiba, H. Yamamoto, J. N. C. Lopes,* A. A. H. Pádua,* M. Takeuchi, R. Kanzaki, S. Ishiguro ‘Raman spectroscopic study, DFT calculations and MD simulations on the conformational isomerism of N-alkyl-N-methylpyrrolidinium bis-(trifluoromethanesulfonyl) amide ionic liquids’ The Journal of Physical Chemistry B, 113, 4338-4346 (2009).
- [40] Y. Umebayashi, J-C. Jiang, Y-L. Shan, K-H. Lin, K. Fujii, S. Seki, S. Ishiguro, S. H. Lin, H-C. Chang* ‘Structural change of ionic association in ionic liquid/ water mixtures: A high-pressure infrared spectroscopic study’ Journal of Chemical Physics, 130, 124503 (2009).
- [39] G. Kobayashi, A. Yamada,* S. Nishimura, R. Kanno, Y. Kobayashi, S. Seki, Y. Ohno, H. Miyashiro ‘Systematic shift of the M3+/M2+ (M = Mn, Fe) redox potential and their kinetics in Lix(MnyFe1-y)PO4’ Journal of Power Sources, 189, 397-401 (2009).
- [38] S. Ono,* K. Miwa, S. Seki, J. Takeya* ‘A comparative study of organic single-crystal transistors gated with various ionic-liquid electrolytes’ Applied Physics Letters, 94, 063301 (2009).
2008
- [37] T. Uemura, R. Hirahara, Y. Tominari, S. Ono, S. Seki, J. Takeya* ‘Electronic functionalization of solid-to-liquid interfaces between organic semiconductors and ionic liquids: Realization of very high performance organic single-crystal transistors’ Applied Physics Letters, 92, 263305 (2008).
- [36] K. Hayamizu,* S. Tsuzuki, S. Seki ‘Molecular motions and ion diffusions of the room-temperature ionic liquid 1,2-dimethyl-3-propylimidazolium bis(trifluoromethylsulfonyl)amide (DMPImTFSA) studied by1H, 13C, and 19F NMR ’ The Journal of Physical Chemistry A, 112, 12027-12036 (2008).
- [35] A. Shirai, K. Fujii, S. Seki, Y. Umebayashi, S. Ishiguro, Y. Ikeda* ‘Solvation of lithium ion in N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)amide using raman and multinuclear NMR spectroscopy’ Analytical Sciences, 24, 1291-1296 (2008).
- [34] S. Seki,* Y. Umebayashi, S. Tsuzuki, K. Hayamizu, Y. Kobayashi, Y. Ohno, T. Kobayashi, Y. Mita, H. Miyashiro, N. Terada, S. Ishiguro ‘Phase transition and conductive acceleration of phosphonium-cation based room-temperature ionic liquid’ Chemical Communications, 5541-5543 (2008).
- [33] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Ohno, Y. Mita, N. Terada, P. Charest, A. Guerfi, K. Zaghib ‘Compatibility of N-methyl-N-propylpyrrolidinium cation room-temperature ionic liquid electrolytes and graphite electrodes’ The Journal of Physical Chemistry C, 112, 16708-16713 (2008).
- [32] K. Fujii, S. Seki, S. Fukuda, T. Takamuku, S. Kohara, Y. Kameda, Y. Umebayashi, S. Ishiguro* ‘Liquid structure and conformation of a low-viscosity ionic liquid, N-methyl-N-propyl-pyrrolidinium bis(fluorosulfonyl) imide studied by high-energy X-ray scattering’ Journal of Molecular Liquids, 143, 64-69 (2008).
- [31] Y. Kobayashi,* S. Seki, Y. Mita, Y. Ohno, H. Miyashiro, P. Charest, A. Guerfi, K. Zaghib ‘High reversible capacities of graphite and SiO/graphite with solvent-free solid polymer electrolyte for lithium-ion batteries’ Journal of Power Sources, 185, 542-548 (2008).
- [30] S. Tsuzuki,* K. Hayamizu, S. Seki, Y. Ohno, Y. Kobayashi, H. Miyashiro ‘Quaternary ammonium room-temperature ionic liquid including an oxygen atom in side chain / lithium salt binary electrolytes: Ab initio molecular orbital calculations of interactions between ions’ The Journal of Physical Chemistry B, 112, 9914-9920 (2008).
- [29] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Ohno, Y. Mita, A. Usami, N. Terada, K. Hayamizu, S. Tsuzuki, M. Watanabe ‘Quaternary ammonium room-temperature ionic liquid / lithium salt binary electrolytes: Electrochemical study’ Journal of The Electrochemical Society, 155, A421-A427 (2008).
- [28] S. Ono,* S. Seki, R. Hirahara, Y. Tominari, J. Takeya ‘High-mobility, low-power, and fast-switching organic field-effect transistors with ionic liquids’ Applied Physics Letters, 92, 103313 (2008).
- [27] K. Hayamizu,* S. Tsuzuki, S. Seki, Y. Ohno, H. Miyashiro, Y. Kobayashi ‘Quaternary ammonium room-temperature ionic liquid including an oxygen atom in side chain / lithium salt binary electrolytes: Ionic conductivity and 1H, 7Li, and 19F NMR studies on diffusion coefficients and local motions’ The Journal of Physical Chemistry B, 112, 1189-1197 (2008).
- [26] Y. Kobayashi,* Y. Mita, S. Seki, Y. Ohno, H. Miyashiro, M. Nakayama, M. Wakihara ‘Configurational entropy of lithium manganese oxide and related materials, LiCryMn2-yO4 (y=0, 0.3)’ Journal of The Electrochemical Society, 155, A14-A19 (2008).
2007
- [25] T. Nakamura,* K. Sakumoto, M. Okamoto, S. Seki, Y. Kobayashi, T. Takeuchi, M. Tabuchi, Y. Yamada ‘Electrochemical study on Mn2+-substitution in LiFePO4 olivine compound’ Journal of Power Sources, 174, 435-441 (2007).
- [24] K. Fujii, S. Seki, S. Fukuda, R. Kanzaki, T. Takamuku, Y. Umebayashi, S. Ishiguro* ‘Anion conformation of low-viscosity room-temperature ionic liquid, 1-ethyl-3-methylimidazolium bis(fluorosulfonyl) imide’ The Journal of Physical Chemistry B, 111, 12829-12833 (2007).
- [23] T. Nakamura,* K. Sakumoto, S. Seki, Y. Kobayashi, M. Tabuchi, Y. Yamada ‘Apparent diffusion constant and electrochemical reaction in LiFe1-xMnxPO4 olivine cathodes’ Journal of The Electrochemical Society, 154, A1118-A1123 (2007).
- [22] S. Seki,* Y. Mita, H. Tokuda, Y. Ohno, A. Usami, Y. Kobayashi, M. Watanabe, N. Terada, H. Miyashiro ‘Effects of alkyl chain in imidazolium-type room-temperature ionic liquids as lithium secondary battery electrolytes’ Electrochemical and Solid-State Letters, 10, A237-A240 (2007).
- [21] Y. Kobayashi, Y. Mita,* S. Seki, Y. Ohno, H. Miyashiro, N. Terada ‘Comparative study of lithium secondary batteries using nonvolatile safety electrolytes’ Journal of The Electrochemical Society, 154, A677-A681 (2007).
- [20] S. Seki,* Y. Ohno, Y. Kobayashi, H. Miyashiro, A. Usami, Y. Mita, H. Tokuda, M. Watanabe, K. Hayamizu, S. Tsuzuki, M. Hattori, N. Terada ‘Imdazolium-based room-temperature ionic liquid for lithium secondary batteries – Effects of lithium salt concentration’ Journal of The Electrochemical Society, 154, A173-A177 (2007).
2006
- [19] K. Hayamizu,* S. Seki, H. Miyashiro, Y. Kobayashi ‘Direct in situ observation of dynamic transport for electrolyte components by NMR combined with electrochemical measurements’ The Journal of Physical Chemistry B, 110, 22302-22305 (2006).
- [18] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Ohno, A. Usami, Y. Mita, N. Kihira, M. Watanabe, N. Terada ‘Lithium secondary batteries using modified-imidazolium room-temperature ionic liquid’ The Journal of Physical Chemistry B, 110, 10228-10230 (2006).
- [17] S. Seki,* Y. Kobayashi, H. Miyashiro, A. Usami, Y. Mita, N. Terada, T. Iwahori ‘Improvement in high-voltage performance of all-solid-state lithium polymer batteries by mixing inorganic electrolyte with cathode materials’ Journal of The Electrochemical Society, 153, A1073-A1076 (2006).
- [16] H. Tokuda, S. Tabata, S. Seki, M. Watanabe* ‘Design of polymer electrolytes to realize high lithium-ionic conductivity with fast charge-transfer reaction’ Kobunshi Ronbunshu, 63, 1-10 (2006).
- [15] H. Miyashiro,* Y. Kobayashi, S. Seki, Y. Ohno ‘Research and development of all-solid-state lithium polymer secondary batteries’ Kobunshi Ronbunshu, 63, 139-148 (2006).
- [14] H. Miyashiro,* Y. Kobayashi, T. Nakamura, S. Seki, Y. Mita, A. Usami ‘Basic properties of all-solid-state lithium polymer secondary batteries using LiFePO4’ Electrochemistry, 74, 321-325 (2006).
- [13] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Ohno, Y. Mita, A. Usami, M. Watanabe, N. Terada ‘Highly reversible lithium metal secondary battery using the room temperature ionic liquid / lithium salt mixture and surface-coated cathode active material’ Chemical Communications, 544-545 (2006).
- [12] H. Miyashiro,* A. Yamanaka, M. Tabuchi, S. Seki, M. Nakayama, Y. Ohno, Y. Kobayashi, Y. Mita, A. Usami, M. Wakihara ‘Improvement of degradation at elevated temperature and at high SOC storage by ZrO2 coating on LiCoO2’ Journal of The Electrochemical Society, 153, A348-A353 (2006).
2005
- [11] H. Miyashiro,* Y. Kobayashi, S. Seki, Y. Mita, A. Usami, M. Nakayama, M. Wakihara ‘Fabrication of all-solid-state lithium polymer secondary batteries using Al2O3-coated LiCoO2’ Chemistry of Materials, 17, 5603-5605 (2005).
- [10] H. Miyashiro,* S. Seki, Y. Kobayashi, Y. Ohno, Y. Mita, A. Usami ‘All-solid-state lithium polymer secondary battery with LiNi0.5Mn1.5O4 by mixing of Li3PO4’ Electrochemistry Communications, 7, 1083-1086 (2005).
- [9] M. Tabuchi,* A. Nakashima, K. Ado, H. Sakaebe, H. Kobayashi, H. Kageyama, K. Tatsumi, Y. Kobayashi, S. Seki, A. Yamanaka ‘The effect of preparation condition and dopant on the electrochemical property for Fe-substituted Li2MnO3’ Journal of Power Sources, 146, 287-293 (2005).
- [8] Y. Kobayashi,* S. Seki, A. Yamanaka, H. Miyashiro, Y. Mita, T. Iwahori ‘Development of high-voltage and high-capacity all-solid-state lithium secondary batteries’ Journal of Power Sources, 146, 719-722 (2005).
- [7] S. Seki,* Y. Kobayashi, H. Miyashiro, A. Yamanaka, Y. Mita, T. Iwahori ‘Degradation mechanism analysis of all solid-state lithium polymer secondary batteries by using the impedance measurement’ Journal of Power Sources, 146, 741-744 (2005).
- [6] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Ohno, Y. Mita, A. Usami, N. Terada, M. Watanabe ‘Reversibility of lithium secondary battery using room temperature ionic liquid and lithium metal’ Electrochemical and Solid-State Letters, 8, A577-A578 (2005).
- [5] Y. Kobayashi,* S. Seki, M. Tabuchi, H. Miyashiro, Y. Mita, T. Iwahori ‘High-performance genuine lithium polymer battery obtained by fine-ceramic-electrolyte coating of LiCoO2’ Journal of The Electrochemical Society, 152, A1985-A1988 (2005).
- [4] S. Seki,* Y. Kobayashi, H. Miyashiro, Y. Mita, T. Iwahori ‘Fabrication of high-voltage, high-capacity all-solid-state lithium polymer secondary batteries by application of polymer electrolyte / inorganic electrolyte composite concept’ Chemistry of Materials, 17, 2041-2045 (2005).
- [3] S. Seki, M. A. B. H. Susan, T. Kaneko, H. Tokuda, A. Noda, M. Watanabe* ‘Distinct difference in ionic transport behavior in polymer electrolytes depending on matrix polymers and incorporated salts’ The Journal of Physical Chemistry B, 109, 3886-3892 (2005).
2004
- [2] S. Seki, S. Tabata, S. Matsui, M. Watanabe* ‘Effect of binder polymer structures used in composite cathodes on interfacial charge transfer processes in lithium polymer batteries’ Electrochimica Acta, 50, 379-383 (2004).
2003
- [1] S. M. A. Karim, R. Nomura, F. Sanda, S. Seki, M. Watanabe, T. Masuda* ‘Synthesis and properties of ion-conducting poly(anthrylacetylene) derivatives’ Macromolecules, 36, 4786-4789 (2003).
Books
- [6] S. Seki, S. Ono, N. Serizawa, Y. Umebayashi, S. Tsuzuki, K. Ueno, M. Watanabe RSC book, Smart Material Series, Ionic Liquid Devices, Chapter 14 (2018).
- [5] K. Fujii,S. Seki,H. Doi,Y. Umebayashi Ionic Liquids: Electrochemical Fundamentals and Applications, Springer, Chapter 10 (2015).
- [4] S. Seki,M. Watanabe New Frontiers in Electrochemical Sciences and Technology, Springer, Chapter 6 (2013).
- [3] 関 志朗 リチウムイオン電池の部材開発と用途別応用, シーエムシー出版、第3章1項 (2011).
- [2] Y. Kobayashi, S. Seki, N. Terada Encyclopedia of Electrochemical Power Sources, Elsevier, pp375-382, (2009).
- [1] 関 志朗、宮代 一 最新リチウムイオン二次電池 ~安全性向上および高機能化に向けた材料開発,、情報機構、第3章第3節第3項.
Review
- [7] 小野 新平,坂上 知,関 志朗 イオン液体を利用した有機半導体デバイスの開発,表面科学, pp204-209, 34 (2013).
- [6] 関 志朗,渡邉 正義 安全性の向上に資する固体電解質を用いたリチウム二次電池,膜, pp108-113, 38 (2013).
- [5] 関 志朗,芹澤 信幸,小野 新平 イオン液体を用いた電気化学デバイスの研究・開発,化学工業, pp101-106, 64 (2013).
- [4] 関 志朗 多様な分子構造を有するイオン液体のリチウム二次電池への適用,化学工業, pp827-833, 62 (2011).
- [3] 関 志朗,小野 新平,小林 陽,宮代 一,早水 紀久子,都築 誠二,渡邉 正義 電気化学デバイス用途へのイオン液体の研究・開発,溶融塩及び高温化学, pp266-274, 51 (2008).
- [2] 関 志朗,宮代 一,三田 裕一 高安全・高性能電池を実現する「イオン液体」,OHM, pp2-3 (2007).
- [1] 関 志朗,川野 竜司,渡邉 正義 イオン液体とクリーンエネルギー変換・貯蔵,化学と工業, pp760-763, 9 (2006).
Awards
- [5] 第一回エヌエフ基金 研究開発奨励賞 (2013).
- [4] 電力中央研究所 材料科学研究所 所長表彰 (2012).
- [3] 社団法人 電気化学会進歩賞・佐野賞 (2011).
- [2] 社団法人電気化学会論文賞 (2010).
- [1] 社団法人 電気化学会溶融塩委員会 溶融塩奨励賞 (2008).