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Shigeto Okada

Shigeto Okada

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 73 4969 4515 288 270 424 18793

Shigeto Okada publications per year

The chart shows the history of publications by Shigeto Okada between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shigeto Okada published across 42 years, from 1984 to 2025, averaging 11.1 papers a year. Output peaked at 27 publications in 2003. 8 of the 465 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 27. Peak 27 publications in 2003. 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 2 publications 1988: 0 publications 1989: 6 publications 1990: 2 publications 1991: 2 publications 1992: 1 publication 1993: 2 publications 1994: 1 publication 1995: 2 publications 1996: 11 publications 1997: 13 publications 1998: 9 publications 1999: 3 publications 2000: 7 publications 2001: 10 publications 2002: 14 publications 2003: 27 publications 2004: 11 publications 2005: 17 publications 2006: 25 publications 2007: 17 publications 2008: 18 publications 2009: 20 publications 2010: 20 publications 2011: 17 publications 2012: 14 publications 2013: 22 publications 2014: 13 publications 2015: 16 publications 2016: 19 publications 2017: 15 publications 2018: 11 publications 2019: 25 publications 2020: 21 publications 2021: 18 publications 2022: 13 publications 2023: 9 publications 2024: 7 publications 2025: 1 publication
1984 2025

465 publications in total across all disciplines

View publications per year as a table
Shigeto Okada: publications per year, 1984 to 2025
Year Publications
1984 1
1985 2
1986 1
1987 2
1988 0
1989 6
1990 2
1991 2
1992 1
1993 2
1994 1
1995 2
1996 11
1997 13
1998 9
1999 3
2000 7
2001 10
2002 14
2003 27
2004 11
2005 17
2006 25
2007 17
2008 18
2009 20
2010 20
2011 17
2012 14
2013 22
2014 13
2015 16
2016 19
2017 15
2018 11
2019 25
2020 21
2021 18
2022 13
2023 9
2024 7
2025 1
Total 465
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Shigeto Okada 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 Shigeto Okada sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 421–440 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 424 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327 424
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Shigeto Okada 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 Shigeto Okada sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561 73
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Shigeto Okada is affiliated with Kyushu University in Japan and has made significant contributions to the field of engineering, with a focus on electrical and electronic engineering. Their research spans multiple subfields including materials chemistry, automotive engineering, inorganic chemistry, and mechanical engineering.

The scientist's work primarily centers on advancements in battery materials and technologies. The main topics covered in their research include:

  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Advanced Battery Technologies Research
  • Advanced battery technologies research
  • Supercapacitor Materials and Fabrication
  • Extraction and Separation Processes
  • Transition Metal Oxide Nanomaterials

Okada's recent papers demonstrate a focus on lithium-ion and sodium-ion batteries, with studies on polymer electrolytes, anode materials, and electrolyte composition. Notable recent publications include:

  • Flexible poly(vinylidene fluoride-co-hexafluoropropylene)-based gel polymer electrolyte for high-performance lithium-ion batteries (2021, RSC Advances)
  • Hydrogenated Anatase and Rutile TiO2 for Sodium-Ion Battery Anodes (2021, ACS Applied Energy Materials)
  • Synthesis of bimetallic sulfide FeCoS4@carbon nanotube graphene hybrid as a high-performance anode material for sodium-ion batteries (2021, Chemical Engineering Journal)
  • Composition manipulation of bis(fluorosulfonyl)imide-based ionic liquid electrolyte for high-voltage graphite//LiNi0.5Mn1.5O4 lithium-ion batteries (2021, Chemical Engineering Journal)
  • Tin phosphide-carbon composite as a high-performance anode active material for sodium-ion batteries with high energy density (2021, Journal of Energy Chemistry)

The scientist frequently collaborates with several coauthors, contributing multiple joint publications with:

  • Atsushi Inoishi
  • Ryo Sakamoto
  • Hikarí Sakaebe
  • Kosuke Nakamoto
  • Ayuko Kitajou

Okada's work appears in a number of reputable academic venues, reflecting the focus of their research community. Frequent publication venues include:

  • Electrochemistry
  • ECS Meeting Abstracts
  • Batteries & Supercaps
  • RSC Advances
  • Chemical Communications

Best Publications

  • Effect of Structure on the Fe3 + / Fe2 + Redox Couple in Iron Phosphates

    A. K. Padhi;K. S. Nanjundaswamy;C. Masquelier;Shigeto Okada;Shigeto Okada

  • Decomposition reaction of LiPF6-based electrolytes for lithium ion cells

    Tetsuya Kawamura;Shigeto Okada;Jun ichi Yamaki

  • Cathode properties of phospho-olivine LiMPO4 for lithium secondary batteries

    Shigeto Okada;Shoichiro Sawa;Minato Egashira;Jun Ichi Yamaki

  • Electrochemical Properties of NaTi2(PO4)3 Anode for Rechargeable Aqueous Sodium-Ion Batteries

    Sun Il Park;Irina Gocheva;Shigeto Okada;Jun Ichi Yamaki

  • Characterization and cathode performance of Li1 − xNi1 + xO2 prepared with the excess lithium method

    H. Arai;S. Okada;H. Ohtsuka;M. Ichimura

  • Synthesis, redox potential evaluation and electrochemical characteristics of NASICON-related-3D framework compounds

    K. S. Nanjundaswamy;A. K. Padhi;John B Goodenough;S. Okada

  • Thermal stability of alkyl carbonate mixed-solvent electrolytes for lithium ion cells

    Tetsuya Kawamura;Arihisa Kimura;Minato Egashira;Shigeto Okada

  • Thermal behavior of Li1-yNiO2 and the decomposition mechanism

    Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki

  • Fabrication and performances of all solid-state symmetric sodium battery based on NASICON-related compounds

    Yoshinori Noguchi;Eiji Kobayashi;Larisa S. Plashnitsa;Shigeto Okada

  • Performance of NASICON Symmetric Cell with Ionic Liquid Electrolyte

    Larisa S. Plashnitsa;Eiji Kobayashi;Yoshinori Noguchi;Shigeto Okada

  • Thermal stability of LixCoO2 cathode for lithium ion battery

    Yasunori Baba;Shigeto Okada;Jun ichi Yamaki

  • Electrochemical and Thermal Properties of α-NaFeO2 Cathode for Na-Ion Batteries

    Jie Zhao;Liwei Zhao;Nikolay Dimov;Shigeto Okada

  • Cathode performance and voltage estimation of metal trihalides

    Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki

  • Electrochemical and thermal behavior of LiNi1-zMzO2 (M = Co, Mn, Ti)

    Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki

  • Cathode properties of Na3M2(PO4) 2F3 [M = Ti, Fe, V] for sodium-ion batteries

    Kuniko Chihara;Ayuko Kitajou;Irina D. Gocheva;Shigeto Okada

  • Reversibility of LiNiO2 cathode

    Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki

  • Cathodic performance of LiMn1−xMxPO4 (M = Ti, Mg and Zr) annealed in an inert atmosphere

    Tomoyuki Shiratsuchi;Shigeto Okada;Takayuki Doi;Jun ichi Yamaki

  • Cathode properties of metal trifluorides in Li and Na secondary batteries

    Manabu Nishijima;Irina D. Gocheva;Shigeto Okada;Takayuki Doi

  • Electrochemical and thermal properties of hard carbon-type anodes for Na-ion batteries

    Jie Zhao;Liwei Zhao;Kuniko Chihara;Shigeto Okada

  • Liquid-phase synthesis of highly dispersed NaFeF3 particles and their electrochemical properties for sodium-ion batteries

    Yosuke Yamada;Takayuki Doi;Ichiro Tanaka;Shigeto Okada

Frequent Co-Authors

Jun-ichi Yamaki
Jun-ichi Yamaki Kyoto University
Tamio Oguchi
Tamio Oguchi Osaka University
Hajime Arai
Hajime Arai Tokyo Institute of Technology
Prabeer Barpanda
Prabeer Barpanda Indian Institute of Science
Seong Ho Yoon
Seong Ho Yoon Kyushu University
Zempachi Ogumi
Zempachi Ogumi Kyoto University
Jing Xu
Jing Xu Zhejiang University
Ying Shirley Meng
Ying Shirley Meng University of Chicago
Isao Mochida
Isao Mochida Kyushu University
Norio Miura
Norio Miura Kyushu University

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