Search Results - "Kang, Byoungwoo"
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Battery materials for ultrafast charging and discharging
Published in Nature (12-03-2009)“…The storage of electrical energy at high charge and discharge rate is an important technology in today's society, and can enable hybrid and plug-in hybrid…”
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Mechanical and Thermal Failure Induced by Contact between a Li1.5Al0.5Ge1.5(PO4)3 Solid Electrolyte and Li Metal in an All Solid-State Li Cell
Published in Chemistry of materials (24-10-2017)“…Chemical reactions at the solid electrolyte (SE) and Li metal interface form an interphase before electrochemical reactions occur. This study investigates the…”
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3
Understanding Limited Reversible Capacity of a SiO Electrode during the First Cycle and Its Effect on Initial Coulombic Efficiency
Published in Chemistry of materials (27-08-2019)“…We tried to understand the reversible capacity of SiO during the first cycle and its effect on the poor initial Coulombic efficiency (ICE). Several SiO samples…”
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New technologies and new applications of advanced batteries
Published in Applied physics letters (10-07-2023)Get full text
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Phosphates as Lithium-Ion Battery Cathodes: An Evaluation Based on High-Throughput ab Initio Calculations
Published in Chemistry of materials (09-08-2011)“…Phosphate materials are being extensively studied as lithium-ion battery electrodes. In this work, we present a high-throughput ab initio analysis of…”
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Activating reversible carbonate reactions in Nasicon solid electrolyte-based Na-air battery via in-situ formed catholyte
Published in Nature communications (05-04-2024)“…Out of practicality, ambient air rather than oxygen is preferred as a fuel in electrochemical systems, but CO 2 and H 2 O present in air cause severe…”
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Conformal Coating Strategy Comprising N‑doped Carbon and Conventional Graphene for Achieving Ultrahigh Power and Cyclability of LiFePO4
Published in Nano letters (14-10-2015)“…Surface carbon coating to improve the inherent poor electrical conductivity of lithium iron phosphate (LiFePO4, LFP) has been considered as most efficient…”
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Understanding the cation ordering transition in high-voltage spinel LiNi0.5Mn1.5O4 by doping Li instead of Ni
Published in Scientific reports (27-07-2017)“…We determined how Li doping affects the Ni/Mn ordering in high-voltage spinel LiNi 0.5 Mn 1.5 O 4 (LNMO) by using neutron diffraction, TEM image,…”
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Research Progresses of Garnet-Type Solid Electrolytes for Developing All-Solid-State Li Batteries
Published in Frontiers in chemistry (24-06-2020)“…All-Solid-State Batteries (ASSBs) that use oxide-based solid electrolytes (SEs) have been considered as a promising energy-storage platform to meet an…”
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10
Wigner-molecularization-enabled dynamic nuclear polarization
Published in Nature communications (23-05-2023)“…Multielectron semiconductor quantum dots (QDs) provide a novel platform to study the Coulomb interaction-driven, spatially localized electron states of Wigner…”
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Carbonophosphates: A New Family of Cathode Materials for Li-Ion Batteries Identified Computationally
Published in Chemistry of materials (12-06-2012)“…The tremendous growth of Li-ion batteries into a wide variety of applications is setting new requirements in terms of cost, energy density, safety, and power…”
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A New Class of High‐Capacity Fe‐Based Cation‐Disordered Oxide for Li‐Ion Batteries: Li‐Fe‐Ti‐Mo Oxide
Published in Advanced science (01-06-2023)“…Low‐cost Fe can be used for forming cation‐disordered rocksalt Li‐excess (DRX) materials instead of high‐cost d0‐species and then the Fe‐based DRX can be…”
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Inhomogeneous delithiation behavior of chemically delithiated Li0.49FePO4 particles of different sizes using a simple centrifuge separation method
Published in Electrochimica acta (01-01-2015)“…To understand the delithiation behavior of particles of different sizes, we developed a centrifugation method to separate particles in a chemically-delithiated…”
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14
Increase in grain boundary ionic conductivity of Li1.5Al0.5Ge1.5(PO4)3 by adding excess lithium
Published in Solid state ionics (01-10-2014)“…Li1.5Al0.5Ge1.5(PO4)3 (LAGP) is a promising solid electrolyte for all-solid-state Li ion batteries. In this work, it was synthesized using solid-state reaction…”
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Fully Exploited Oxygen Redox Reaction by the Inter‐Diffused Cations in Co‐Free Li‐Rich Materials for High Performance Li‐Ion Batteries
Published in Advanced science (01-09-2020)“…To meet the growing demand for global electrical energy storage, high‐energy‐density electrode materials are required for Li‐ion batteries. To overcome the…”
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16
Combining intercalation and conversion reversibly
Published in Nature energy (01-01-2023)“…It is challenging to develop battery cathodes with both high performance and low cost. Now, an amorphous material based on cheap, earth-abundant elements is…”
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Highly-pure triplite 3.9V-LiFeSO4F synthesized by a single-step solid-state process and its high electrochemical performance
Published in Electrochimica acta (20-02-2017)“…[Display omitted] In this study, triplite 3.9V-LiFeSO4F in single step solid-state reaction with various precursors was synthesized by understanding the…”
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A New Design Rule for Developing SiO with High Performance: Controlling Short‐Range Ordering of SiO2 Phase
Published in Advanced energy materials (01-10-2023)“…Simultaneously achieving high initial coulombic efficiency (ICE) with high reversible capacity and excellent cycle retention is a key factor for developing…”
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High Initial Coulombic Efficiency of SiO Enabled by Controlling SiO2 Matrix Crystallization
Published in ACS applied materials & interfaces (05-10-2022)“…SiO is a promising anode material for practical Li-ion batteries because it can achieve a much higher capacity than graphite and a better capacity retention…”
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A New Design Rule for Developing SiO with High Performance: Controlling Short‐Range Ordering of SiO 2 Phase
Published in Advanced energy materials (01-10-2023)“…Abstract Simultaneously achieving high initial coulombic efficiency (ICE) with high reversible capacity and excellent cycle retention is a key factor for…”
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