Naoaki Kumagai

Naoaki Kumagai publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Naoaki Kumagai sits on this spectrum.

Naoaki Kumagai D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Naoaki Kumagai sits on this spectrum.

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