Naoaki Kumagai

Overview

Best Publications

• Role of Alumina Coating on Li−Ni−Co−Mn−O Particles as Positive Electrode Material for Lithium-Ion Batteries

  Seung Taek Myung;Kentarou Izumi;Shinichi Komaba;Yang Kook Sun

  654
  Citations

• Influence of manganese(II), cobalt(II), and nickel(II) additives in electrolyte on performance of graphite anode for lithium-ion batteries

  Shinichi Komaba;Naoaki Kumagai;Yoichi Kataoka

  326
  Citations

• Effects of Al doping on the microstructure of LiCoO2 cathode materials

  Seung Taek Myung;Naoaki Kumagai;Shinichi Komaba;Hoon Taek Chung

  294
  Citations

• Emulsion drying synthesis of olivine LiFePO4/C composite and its electrochemical properties as lithium intercalation material

  Seung Taek Myung;Shinichi Komaba;Norimitsu Hirosaki;Hitoshi Yashiro

  292
  Citations

• Enhanced structural stability and cyclability of Al-doped LiMn2O4 spinel synthesized by the emulsion drying method

  Seung Taek Myung;Shinichi Komaba;Naoaki Kumagai

  279
  Citations

• Nano-crystalline LiNi0.5Mn1.5O4 synthesized by emulsion drying method

  Seung-Taek Myung;Shinichi Komaba;Naoaki Kumagai;Hitoshi Yashiro

  225
  Citations

• Functionality of oxide coating for Li [Li0.05Ni0.4Co0.15Mn0.4]O2 as positive electrode materials for lithium-ion secondary batteries

  Seung Taek Myung;Kentarou Izumi;Shinichi Komaba;Hitoshi Yashiro

  223
  Citations

• Electrochemical and In Situ XAFS-XRD Investigation of Nb2O5 for Rechargeable Lithium Batteries

  Ryoji Kodama;Yasuko Terada;Izumi Nakai;Shinichi Komaba

  220
  Citations

• Structural changes of Nb2O5 and V2O5 as rechargeable cathodes for lithium battery

  Naoaki Kumagai;Kazuo Tanno;Tsuyoshi Nakajima;Nobuatsu Watanabe

  184
  Citations

• Thermodynamics and Kinetics of Lithium Intercalation into Nb2 O 5 Electrodes for a 2 V Rechargeable Lithium Battery

  Naoaki Kumagai;Yoshimasa Koishikawa;Shinichi Komaba;Nobuharu Koshiba

  154
  Citations

• Hydrothermal synthesis of layered Li[Ni1/3Co1/3Mn1/3]O2 as positive electrode material for lithium secondary battery

  Seung-Taek Myung;Myung-Hun Lee;Shinichi Komaba;Naoaki Kumagai

  141
  Citations

• Synthesis of LiNi0.5Mn0.5-xTixO2 by an Emulsion Drying Method and Effect of Ti on Structure and Electrochemical Properties

  Seung Taek Myung;Shinichi Komaba;Kiyoharu Hosoya;Norimitsu Hirosaki

  128
  Citations

• Synthesis of layered MnO2 by calcination of KMnO4 for rechargeable lithium battery cathode

  Shinichi Komaba;Naoaki Kumagai;Shiho Chiba

  125
  Citations

• Ultrasonically treated LiV{sub 3}O{sub 8} as a cathode material for secondary lithium batteries

  Naoaki Kumagai;Aishui Yu

  119
  Citations

• Synthesis of Li[(Ni0.5Mn0.5)1-xLix]O2 by Emulsion Drying Method and Impact of Excess Li on Structural and Electrochemical Properties

  Seung-Taek Myung, ,†;Shinichi Komaba;Koutarou Kurihara;Kiyoharu Hosoya

  117
  Citations

• Effect of cobalt addition to nickel hydroxide as a positive material for rechargeable alkaline batteries

  Ken-ichi Watanabe;Mitsuru Koseki;Naoaki Kumagai

  116
  Citations

• Hydrothermal synthesis and electrochemical behavior of orthorhombic LiMnO2

  Seung Taek Myung;Shinichi Komaba;Naoaki Kumagai

  106
  Citations

• Fabrication and Electrochemical Characteristics of All‐Solid‐State Lithium‐Ion Batteries Using V 2 O 5 Thin Films for Both Electrodes

  M. Baba;N. Kumagai;H. Kobayashi;O. Nakano

  103
  Citations

• Electrochemical characteristics of Sn film prepared by pulse electrodeposition method as negative electrode for lithium secondary batteries

  Koichi Ui;Shinei Kikuchi;Yoshihiro Kadoma;Naoaki Kumagai

  87
  Citations

• Optimization of electrochemical properties of LiFePO4/C prepared by an aqueous solution method using sucrose

  Yoshihiro Kadoma;Jung-Min Kim;Katsutoshi Abiko;Keitaro Ohtsuki

  87
  Citations