Search Results - "Nishimura, Shin‐ichi"
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Polyanionic Insertion Materials for Sodium‐Ion Batteries
Published in Advanced energy materials (15-06-2018)“…Efficient energy storage is a driving factor propelling myriads of mobile electronics, electric vehicles and stationary electric grid storage. Li‐ion batteries…”
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Mechanism of Sodium Storage in Hard Carbon: An X‐Ray Scattering Analysis
Published in Advanced energy materials (01-01-2020)“…Hard carbon is a standard anode material for Na‐ion batteries. However, its low crystallinity and diverse microstructures make obtaining a full understanding…”
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3
High-Voltage Pyrophosphate Cathodes
Published in Advanced energy materials (01-07-2012)“…The quest to explore and to discover novel cathode materials is key to sustaining the progress of Li‐ion rechargeable batteries. It has encouraged materials’…”
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Anhydrous Fast Proton Transport Boosted by the Hydrogen Bond Network in a Dense Oxide‐Ion Array of α‐MoO3
Published in Advanced materials (Weinheim) (01-08-2022)“…Developing high‐power battery chemistry is an urgent task to buffer fluctuating renewable energies and achieve a sustainable and flexible power supply. Owing…”
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Highly Reversible Oxygen‐Redox Chemistry at 4.1 V in Na4/7−x[□1/7Mn6/7]O2 (□: Mn Vacancy)
Published in Advanced energy materials (16-07-2018)“…Increasing the energy density of rechargeable batteries is of paramount importance toward achieving a sustainable society. The present limitation of the energy…”
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6
A 3.8-V earth-abundant sodium battery electrode
Published in Nature communications (17-07-2014)“…Rechargeable lithium batteries have ushered the wireless revolution over last two decades and are now matured to enable green automobiles. However, the growing…”
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Lithium Iron Borates as High-Capacity Battery Electrodes
Published in Advanced materials (Weinheim) (24-08-2010)“…Beyond the limited lithium storage capability of the (PO4)3−‐based compound, LiFePO4 (170 mAh/g), which is currently recognized as the most promising lithium…”
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New Lithium Iron Pyrophosphate as 3.5 V Class Cathode Material for Lithium Ion Battery
Published in Journal of the American Chemical Society (06-10-2010)“…A new pyrophosphate compound Li2FeP2O7 was synthesized by a conventional solid-state reaction, and its crystal structure was determined. Its reversible…”
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Coulombic self-ordering upon charging a large-capacity layered cathode material for rechargeable batteries
Published in Nature communications (16-05-2019)“…Lithium- and sodium-rich layered transition-metal oxides have recently been attracting significant interest because of their large capacity achieved by…”
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Polyanionic Solid-Solution Cathodes for Rechargeable Batteries
Published in Chemistry of materials (25-04-2017)“…As an efficient rechargeable power source, lithium-ion batteries have dominated the consumer electronics and electric vehicle markets. Their analogues,…”
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11
Intermediate honeycomb ordering to trigger oxygen redox chemistry in layered battery electrode
Published in Nature communications (18-04-2016)“…Sodium-ion batteries are attractive energy storage media owing to the abundance of sodium, but the low capacities of available cathode materials make them…”
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Off‐Stoichiometry in Alluaudite‐Type Sodium Iron Sulfate Na2+2xFe2−x(SO4)3 as an Advanced Sodium Battery Cathode Material
Published in ChemElectroChem (15-07-2015)“…An alluaudite‐type sodium iron sulfate has recently been discovered as a 3.8 V cathode material for low‐cost, high‐power, and efficient sodium‐ion batteries…”
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Superstructure in the Metastable Intermediate-Phase Li2/3FePO4 Accelerating the Lithium Battery Cathode Reaction
Published in Angewandte Chemie International Edition (27-07-2015)“…LiFePO4 is an important cathode material for lithium‐ion batteries. Regardless of the biphasic reaction between the insulating end members, LixFePO4, x≈0 and…”
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14
Sodium Intercalation Mechanism of 3.8 V Class Alluaudite Sodium Iron Sulfate
Published in Chemistry of materials (09-08-2016)“…Alluaudite sodium iron sulfate Na2+2x Fe2–x (SO4)3 is one of the most promising candidates for a Na-ion battery cathode material with earth-abundant elements;…”
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High-Voltage Pyrophosphate Cathode: Insights into Local Structure and Lithium-Diffusion Pathways
Published in Angewandte Chemie International Edition (21-12-2012)“…Ion‐transport paths: Combined modeling and neutron diffraction studies provide atomic‐scale insights into Li2FeP2O7, a material proposed for a new…”
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A Theoretical study on the charge and discharge states of Na‐ion battery cathode material, Na1+xFePO4F
Published in Journal of computational chemistry (05-01-2019)“…Na2FePO4F is a promising cathode material for a Na‐ion battery because of its high electronic capacity and good cycle performance. In this work, first…”
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Reliability-based design for earth-fill dams against severe natural disaster events
Published in Soils and foundations (01-04-2021)“…The maintenance of geotechnical structures, such as earth-fill dams, is required as a countermeasure against severe natural disasters, particularly earthquakes…”
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Isolation of Solid Solution Phases in Size‐Controlled LixFePO4 at Room Temperature
Published in Advanced functional materials (10-02-2009)“…State‐of‐the‐art LiFePO4 technology has now opened the door for lithium ion batteries to take their place in large‐scale applications such as plug‐in hybrid…”
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Reversible and High-rate Hard Carbon Negative Electrodes in a Fluorine-free Sodium-salt Electrolyte
Published in Denki kagaku oyobi kōgyō butsuri kagaku (05-05-2020)“…Hard carbon is widely studied as a promising negative electrode in sodium-ion batteries. To achieve its stable charge-discharge reaction, a fluorine-rich…”
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Iron-Oxalato Framework with One-Dimensional Open Channels for Electrochemical Sodium-Ion Intercalation
Published in Chemistry : a European journal (12-01-2015)“…Discovery of a new class of ion intercalation compounds is highly desirable due to its relevance to various electrochemical devices, such as batteries. Herein,…”
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