Search Results - "FUKUNAGA, Toshiharu"
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Cathode Electrolyte Interphase Formation and Electrolyte Oxidation Mechanism for Ni-Rich Cathode Materials
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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Operando hard X-ray photoelectron spectroscopy of LiCoO2 thin film in an all-solid-state lithium ion battery
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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Effects of Mixed Phases on Electrical Conductivities for (CeF3)1–m (CaF2) m Fast-Fluoride-Ion-Conducting Solid Electrolytes
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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Structural and Electrochemical Properties of Tysonite Ce0.95A0.05F2.95 (A = Mg, Ca, Sr, and Ba): Fast-Fluoride-Ion-Conducting Solid Electrolytes
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
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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Electrochemical, Thermal, and Structural Features of BaF2–SnF2 Fluoride-Ion Electrolytes
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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Hysteresis of the charge transfer resistance between the charge and discharge processes obtained from electrochemical impedance measurements using a thin-film cathode for a lithium-ion cell
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15-10-2021)“…•A thin-film LiNi1/3Co1/3Mn1/3O2 was formed on a single-crystal Si substrate.•Preparing a pouch-type cell using the thin-film with flat surface as a…”
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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
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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Real-time observations of lithium battery reactions—operando neutron diffraction analysis during practical operation
Published in Scientific reports (30-06-2016)“…Among the energy storage devices for applications in electric vehicles and stationary uses, lithium batteries typically deliver high performance. However,…”
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Mechanical synthesis and structural properties of the fast fluoride-ion conductor PbSnF4
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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11
Magnetic behavior of Fe nanoparticles driven by phase transition of FeF3
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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Comprehensive elucidation of crystal structures of lithium-intercalated graphite
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
Degradation Mechanism of Conversion-Type Iron Trifluoride: Toward Improvement of Cycle Performance
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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Application of Anomalous X‑ray Scattering Method to Liquid Electrolytes Used in a Battery: Local Structural Analysis around a Dilute Metallic Ion
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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Structural and electrochemical features of (Li2S) (SiS2)100– superionic glasses
Published in Solid state ionics (01-01-2020)Get full text
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16
Spin polarization in the phase diagram of a Li–Fe–S system
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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Analysis of the discharge/charge mechanism in VS4 positive electrode material
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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Structural origin of massive improvement in Li-ion conductivity on transition from (Li2S)5(GeS2)(P2S5) glass to Li10GeP2S12 crystal
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
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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A new Bi0.7Fe1.3O1.5F1.7 phase: Crystal structure, magnetic properties, and cathode performance in fluoride-ion batteries
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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