Search Results - "FUKUNAGA, Toshiharu"

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  1. 1

    Cathode Electrolyte Interphase Formation and Electrolyte Oxidation Mechanism for Ni-Rich Cathode Materials by Takahashi, Ikuma, Kiuchi, Hisao, Ohma, Atsushi, Fukunaga, Toshiharu, Matsubara, Eiichiro

    Published in Journal of physical chemistry. C (30-04-2020)
    “…Herein, we investigate the formation of a cathode electrolyte interphase (CEI) by electrolyte oxidation on a LiNi x M1–x O2 (x > 0.5; M, transition metal)…”
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    Journal Article
  2. 2

    Operando hard X-ray photoelectron spectroscopy of LiCoO2 thin film in an all-solid-state lithium ion battery by Kiuchi, Hisao, Hikima, Kazuhiro, Shimizu, Keisuke, Kanno, Ryoji, Toshiharu, Fukunaga, Matsubara, Eiichiro

    Published in Electrochemistry communications (01-09-2020)
    “…[Display omitted] •Operando HAXPES was developed for the evaluation of an all-solid-state battery.•The electronic structures of all elements exhibited…”
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  3. 3

    Effects of Mixed Phases on Electrical Conductivities for (CeF3)1–m (CaF2) m Fast-Fluoride-Ion-Conducting Solid Electrolytes by Mori, Kazuhiro, Torii, Shuki, Iwase, Kenji, Abe, Takeshi, Fukunaga, Toshiharu

    Published in Journal of physical chemistry. C (12-01-2023)
    “…The realization of all-solid-state fluoride batteries (FBs) is critical for next-generation rechargeable batteries with high specifications, such as energy…”
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  4. 4

    Structural and Electrochemical Properties of Tysonite Ce0.95A0.05F2.95 (A = Mg, Ca, Sr, and Ba): Fast-Fluoride-Ion-Conducting Solid Electrolytes by Mori, Kazuhiro, Morita, Yoshiyuki, Saito, Takashi, Kamiyama, Takashi, Otomo, Toshiya, Abe, Takeshi, Fukunaga, Toshiharu

    Published in Journal of physical chemistry. C (27-08-2020)
    “…All-solid-state fluoride shuttle batteries (FSBs) present endless possibilities for next-generation rechargeable batteries. However, no standard choice for…”
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    Structural and electronic features of binary Li2S-P2S5 glasses by Ohara, Koji, Mitsui, Akio, Mori, Masahiro, Onodera, Yohei, Shiotani, Shinya, Koyama, Yukinori, Orikasa, Yuki, Murakami, Miwa, Shimoda, Keiji, Mori, Kazuhiro, Fukunaga, Toshiharu, Arai, Hajime, Uchimoto, Yoshiharu, Ogumi, Zempachi

    Published in Scientific reports (19-02-2016)
    “…The atomic and electronic structures of binary Li 2 S-P 2 S 5 glasses used as solid electrolytes are modeled by a combination of density functional theory…”
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  6. 6

    Electrochemical, Thermal, and Structural Features of BaF2–SnF2 Fluoride-Ion Electrolytes by Mori, Kazuhiro, Mineshige, Atsushi, Emoto, Takuro, Sugiura, Maiko, Saito, Takashi, Namba, Kaoru, Otomo, Toshiya, Abe, Takeshi, Fukunaga, Toshiharu

    Published in Journal of physical chemistry. C (17-06-2021)
    “…Fluoride-ion-conducting compounds are key materials for solid electrolytes in all-solid-state fluoride shuttle batteries (FSBs) and widely regarded as…”
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    Examination of Morphological Changes of Active Materials for Solution-Based Rechargeable Fluoride Shuttle Batteries Using In Situ Electrochemical Atomic Force Microscopy Measurements by Okazaki, Ken-ichi, Nakamoto, Hirofumi, Yamanaka, Toshiro, Fukunaga, Toshiharu, Ogumi, Zempachi, Abe, Takeshi

    Published in Chemistry of materials (27-09-2022)
    “…Batteries using fluoride anions as the carrier might possess high capacity and energy density. Especially, the fluoride shuttle battery (FSB), which uses a…”
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    Mechanical synthesis and structural properties of the fast fluoride-ion conductor PbSnF4 by Fujisaki, Fumika, Mori, Kazuhiro, Yonemura, Masao, Ishikawa, Yoshihisa, Kamiyama, Takashi, Otomo, Toshiya, Matsubara, Eiichiro, Fukunaga, Toshiharu

    Published in Journal of solid state chemistry (01-09-2017)
    “…A fluoride-ion conductor, γ-PbSnF4, was synthesized by the mechanical milling. In addition, β-PbSnF4 was obtained by aging the γ-PbSnF4 at 473K. The electrical…”
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    Magnetic behavior of Fe nanoparticles driven by phase transition of FeF3 by Takami, Tsuyoshi, Matsui, Keitaro, Senoh, Hiroshi, Taguchi, Noboru, Shikano, Masahiro, Sakaebe, Hikari, Fukunaga, Toshiharu

    Published in Journal of alloys and compounds (15-11-2018)
    “…Typical electrodes for Li-ion batteries such as LiCoO2 operate via the insertion/de-insertion of Li ions; innovative electrodes that undergo conversion…”
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  12. 12

    Comprehensive elucidation of crystal structures of lithium-intercalated graphite by Matsunaga, Toshiyuki, Takagi, Shigeharu, Shimoda, Keiji, Okazaki, Ken-ichi, Ishikawa, Yoshihisa, Yonemura, Masao, Ukyo, Yoshio, Fukunaga, Toshiharu, Matsubara, Eiichiro

    Published in Carbon (New York) (01-02-2019)
    “…Graphite is widely used as an anode material in almost all Lithium (Li)-ion batteries. Li is easily absorbed into the layer structure of graphite, forming…”
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  13. 13

    Degradation Mechanism of Conversion-Type Iron Trifluoride: Toward Improvement of Cycle Performance by Senoh, Hiroshi, Matsui, Keitaro, Shikano, Masahiro, Okumura, Toyoki, Kiuchi, Hisao, Shimoda, Keiji, Yamanaka, Keisuke, Ohta, Toshiaki, Fukunaga, Toshiharu, Sakaebe, Hikari, Matsubara, Eiichiro

    Published in ACS applied materials & interfaces (28-08-2019)
    “…Conversion-type iron trifluoride (FeF3) has attracted considerable attention as a positive electrode material for lithium secondary batteries due to its high…”
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  14. 14

    Application of Anomalous X‑ray Scattering Method to Liquid Electrolytes Used in a Battery: Local Structural Analysis around a Dilute Metallic Ion by Kimura, Koji, Kiuchi, Hisao, Hayashi, Kouichi, Nakata, Akiyoshi, Fujisaki, Fumika, Nishio, Koji, Fukunaga, Toshiharu, Matsubara, Eiichiro

    Published in Analytical chemistry (Washington) (21-07-2020)
    “…In liquid electrolytes used for a battery, various metal complexes are formed as a result of ion–solvent and ion–ion interactions, which strongly influence the…”
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    Spin polarization in the phase diagram of a Li–Fe–S system by Takami, Tsuyoshi, Takeuchi, Tomonari, Fukunaga, Toshiharu

    Published in Scientific reports (27-12-2019)
    “…Divalent and trivalent states of Fe ions are known to be stable in inorganic compounds. We focus a novel Li x FeS 5 cathode, in which the Li content ( x )…”
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  17. 17

    Analysis of the discharge/charge mechanism in VS4 positive electrode material by Koganei, Kazuto, Sakuda, Atsushi, Takeuchi, Tomonari, Sakaebe, Hikari, Kobayashi, Hironori, Kageyama, Hiroyuki, Kawaguchi, Tomoya, Kiuchi, Hisao, Nakanishi, Koji, Yoshimura, Masashi, Ohta, Toshiaki, Fukunaga, Toshiharu, Matsubara, Eiichiro

    Published in Solid state ionics (01-10-2018)
    “…Among transition metal sulfides, VS4 is a promising candidate material for the positive electrode in rechargeable Li/metal-sulfide batteries, due to its long,…”
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  18. 18

    Structural origin of massive improvement in Li-ion conductivity on transition from (Li2S)5(GeS2)(P2S5) glass to Li10GeP2S12 crystal by Mori, Kazuhiro, Kasai, Takuya, Iwase, Kenji, Fujisaki, Fumika, Onodera, Yohei, Fukunaga, Toshiharu

    Published in Solid state ionics (01-03-2017)
    “…We carried out synchrotron X-ray diffraction and time-of-flight neutron diffraction experiments for a lithium-ion conductor, (Li2S)5(GeS2)(P2S5) glass,…”
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    Visualization of conduction pathways in a lanthanum lithium titanate superionic conductor synthesized by rapid cooling by Mori, Kazuhiro, Tomihira, Shogo, Iwase, Kenji, Fukunaga, Toshiharu

    Published in Solid state ionics (15-12-2014)
    “…Three-dimensional structure and conduction pathways of the lithium ions in super(7)Li sub(0.4)La sub(0.53)TiO sub(3) quenched with liquid nitrogen were studied…”
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  20. 20

    A new Bi0.7Fe1.3O1.5F1.7 phase: Crystal structure, magnetic properties, and cathode performance in fluoride-ion batteries by Takami, Tsuyoshi, Saito, Takashi, Kamiyama, Takashi, Kawahara, Katsumi, Fukunaga, Toshiharu, Abe, Takeshi

    Published in APL materials (01-05-2020)
    “…We synthesize a Bi0.7Fe1.3O1.5F1.7 (BFOF) phase via a non-topochemical reaction with a fluorination agent. The crystal structure is refined by Rietveld…”
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