World's Best Scientists 2026 revealed!
Takayuki Ichikawa

Takayuki Ichikawa

D-Index & Metrics

Chemistry

D-Index
53
Citations
9698
World Ranking
13105
National Ranking
989

Takayuki Ichikawa publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Takayuki Ichikawa sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 275 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Takayuki Ichikawa D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 53 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Takayuki Ichikawa is affiliated with Hiroshima University in Japan, focusing primarily on research at the intersection of engineering and materials science. Their scholarly work encompasses 95 publications in engineering and 88 in materials science, highlighting a multidisciplinary approach to advanced technological challenges.

The scientist's work is notably concentrated in several subfields, including materials chemistry with 82 publications, electrical and electronic engineering with 58 publications, catalysis with 36, energy engineering and power technology with 18, and atomic and molecular physics and optics with 10 publications. This diverse expertise supports their extensive research in hydrogen and battery technologies.

Key topics covered in their research include:

  • Hydrogen Storage and Materials
  • Ammonia Synthesis and Nitrogen Reduction
  • Advanced Battery Materials and Technologies
  • Advancements in Battery Materials
  • Hybrid Renewable Energy Systems
  • Advanced Battery Technologies Research
  • Catalytic Processes in Materials Science

Ichikawa has published frequently in several leading scientific journals. The most common publication venues are:

  • International Journal of Hydrogen Energy (17 publications)
  • Journal of Alloys and Compounds (7 publications)
  • ACS Applied Energy Materials (5 publications)
  • Materials Letters X (3 publications)
  • Energies (3 publications)

Recent papers authored by Ichikawa and their collaborators illustrate ongoing contributions to hydrogen storage and battery materials. Selected recent works include:

  • "Metal Hydrides and Related Materials. Energy Carriers for Novel Hydrogen and Electrochemical Storage," 2020, The Journal of Physical Chemistry C
  • "Effects of hydrogen and carbon dioxide on the laminar burning velocities of methane-air mixtures," 2021, Journal of the Energy Institute
  • "Improved hydrogen desorption properties of exfoliated graphite and graphene nanoballs modified MgH2," 2022, International Journal of Hydrogen Energy
  • "Highly stable nanostructured Bi2Se3 anode material for all solid-state lithium-ion batteries," 2020, Journal of Alloys and Compounds
  • "Hydrogen storage behavior of TiFe alloy activated by different methods," 2021, Materials Letters X

Collaboration plays a significant role in Ichikawa's research activities. Frequent co-authors include:

  • Ankur Jain
  • Hiroki Miyaoka
  • Rini Singh
  • Fangqin Guo
  • Manoj Kumar

Best Publications

  • Catalytic effect of nanoparticle 3d-transition metals on hydrogen storage properties in magnesium hydride MgH2 prepared by mechanical milling.

    Nobuko Hanada;Takayuki Ichikawa;Hironobu Fujii

  • Lithium nitride for reversible hydrogen storage

    Takayuki Ichikawa;Shigehito Isobe;Nobuko Hanada;Hironobu Fujii

  • New Metal−N−H System Composed of Mg(NH2)2 and LiH for Hydrogen Storage

    Haiyan Y. Leng;Takayuki Ichikawa;Satoshi Hino;Nobuko Hanada

  • Mechanism of Novel Reaction from LiNH2 and LiH to Li2NH and H2 as a Promising Hydrogen Storage System

    Takayuki Ichikawa;Nobuko Hanada;Shigehito Isobe;Haiyan Leng

  • Remarkable improvement of hydrogen sorption kinetics in magnesium catalyzed with Nb2O5

    Nobuko Hanada;Takayuki Ichikawa;Satoshi Hino;Hironobu Fujii

  • Development of vanadium based hydrogen storage material: A review

    Sanjay Kumar;Sanjay Kumar;Ankur Jain;T. Ichikawa;Y. Kojima

  • Correlation between hydrogen storage properties and structural characteristics in mechanically milled magnesium hydride MgH2

    Nobuko Hanada;Takayuki Ichikawa;Shin Ichi Orimo;Hironobu Fujii

  • Catalytic effect of Ni nano-particle and Nb oxide on H-desorption properties in MgH2 prepared by ball milling

    N. Hanada;T. Ichikawa;H. Fujii

  • Hydrogen absorption of catalyzed magnesium below room temperature

    Toru Kimura;Hiroki Miyaoka;Takayuki Ichikawa;Yoshitsugu Kojima

  • Hydrogen storage properties in Ti catalyzed Li–N–H system

    T. Ichikawa;N. Hanada;S. Isobe;H.Y. Leng

  • Highly purified hydrogen production from ammonia for PEM fuel cell

    Hiroki Miyaoka;Hikaru Miyaoka;Tomoyuki Ichikawa;Takayuki Ichikawa

  • Review on Ammonia Absorption Materials: Metal Hydrides, Halides, and Borohydrides

    Tengfei Zhang;Hikaru Miyaoka;Hiroki Miyaoka;Takayuki Ichikawa

  • Hydrogen storage properties of Li-Mg-N-H systems with different ratios of LiH/Mg(NH2)2.

    Haiyan Leng;Takayuki Ichikawa;Hironobu Fujii

  • Synthesis and decomposition reactions of metal amides in metal-N-H hydrogen storage system

    Haiyan Leng;Takayuki Ichikawa;Satoshi Hino;Nobuko Hanada

  • Effect of Ti catalyst with different chemical form on Li–N–H hydrogen storage properties

    S. Isobe;T. Ichikawa;N. Hanada;H.Y. Leng

  • Hydrogen generation by electrolysis of liquid ammonia

    Nobuko Hanada;Satoshi Hino;Takayuki Ichikawa;Hiroshi Suzuki

  • SEM and TEM characterization of magnesium hydride catalyzed with Ni nano-particle or Nb2O5

    Nobuko Hanada;Enoki Hirotoshi;Takayuki Ichikawa;Etsuo Akiba;Etsuo Akiba

  • Catalytic effect of TiF4 in improving hydrogen storage properties of MgH2

    Mukesh Jangir;Ankur Jain;Shotaro Yamaguchi;Takayuki Ichikawa

  • Ammonia, a Switch for Controlling High Ionic Conductivity in Lithium Borohydride Ammoniates

    Tengfei Zhang;Tengfei Zhang;Yongming Wang;Tao Song;Hikaru Miyaoka

  • Desorption behaviours from metal–N–H systems synthesized by ball milling

    H.Y. Leng;T. Ichikawa;S. Isobe;S. Hino

  • Thermal analysis on the Li–Mg–B–H systems

    Tessui Nakagawa;Takayuki Ichikawa;Nobuko Hanada;Yoshitsugu Kojima

  • Composite Materials based on Light Elements for Hydrogen Storage

    Takayuki Ichikawa;Nobuko Hanada;Shigehito Isobe;Haiyan Leng

Frequent Co-Authors

Yoshitsugu Kojima
Yoshitsugu Kojima Hiroshima University
Hironobu Fujii
Hironobu Fujii Hiroshima University
Bjørn C. Hauback
Bjørn C. Hauback University of Oslo
Shin-ichi Orimo
Shin-ichi Orimo Tohoku University
Philippe Miele
Philippe Miele Centre national de la recherche scientifique, CNRS
Umit B. Demirci
Umit B. Demirci Centre national de la recherche scientifique, CNRS
Yaroslav Filinchuk
Yaroslav Filinchuk Université Catholique de Louvain
Etsuo Akiba
Etsuo Akiba Kyushu University
Fouran Singh
Fouran Singh Inter-University Accelerator Centre

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