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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 50 10143 9792 2846 2833 176 10705

Kefeng Cai publications per year

The chart shows the history of publications by Kefeng Cai between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kefeng Cai published across 31 years, from 1995 to 2025, averaging 6.7 papers a year. Output peaked at 17 publications in 2024. 25 of the 208 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2024. 1995: 1 publication 1996: 3 publications 1997: 2 publications 1998: 2 publications 1999: 1 publication 2000: 3 publications 2001: 7 publications 2002: 3 publications 2003: 3 publications 2004: 1 publication 2005: 3 publications 2006: 3 publications 2007: 5 publications 2008: 11 publications 2009: 7 publications 2010: 4 publications 2011: 12 publications 2012: 16 publications 2013: 12 publications 2014: 10 publications 2015: 4 publications 2016: 6 publications 2017: 13 publications 2018: 5 publications 2019: 10 publications 2020: 8 publications 2021: 8 publications 2022: 7 publications 2023: 13 publications 2024: 17 publications 2025: 8 publications
1995 2025

208 publications in total across all disciplines

View publications per year as a table
Kefeng Cai: publications per year, 1995 to 2025
Year Publications
1995 1
1996 3
1997 2
1998 2
1999 1
2000 3
2001 7
2002 3
2003 3
2004 1
2005 3
2006 3
2007 5
2008 11
2009 7
2010 4
2011 12
2012 16
2013 12
2014 10
2015 4
2016 6
2017 13
2018 5
2019 10
2020 8
2021 8
2022 7
2023 13
2024 17
2025 8
Total 208
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Kefeng Cai publications per year - data summary

  • Kefeng Cai, a Materials Science scholar from Tongji University, has 208 publications recorded across 31 years, from 1995 to 2025.
  • The oldest publication on record dates to 1995 and the most recent to 2025.
  • The most productive year is 2024, with 17 publications.
  • The least productive years with any output are 1995, 1999 and 2004, with 1 publication each.
  • The rate of publication averages 6.7 papers per year over the whole span, or 6.7 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 53 publications, 25% of the career total.
  • Split into equal eras - 1995-2005: 29 publications (2.6 per year); 2006-2016: 90 publications (8.2 per year); 2017-2025: 89 publications (9.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Kefeng Cai 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 Kefeng Cai sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 170–189 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 176 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850 176
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Kefeng Cai publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Kefeng Cai, a Materials Science scholar from Tongji University, records 176 publications - the 22nd percentile of the discipline.
  • 22% of ranked Materials Science scientists score the same or lower than Kefeng Cai, and about 78% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Kefeng Cai ranks below the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Kefeng Cai 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 Kefeng Cai sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 50 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657 50
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Kefeng Cai D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Kefeng Cai, a Materials Science scholar from Tongji University, records 50 D-Index - the 22nd percentile of the discipline.
  • 22% of ranked Materials Science scientists score the same or lower than Kefeng Cai, and about 78% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Kefeng Cai ranks below the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Kefeng Cai is affiliated with Tongji University in China and conducts research primarily in engineering and materials science. Their work spans 82 publications in engineering and 68 in materials science, reflecting a focused expertise in the fields of materials chemistry and electrical and electronic engineering, with additional contributions to civil and structural engineering, clinical psychology, and biomedical engineering.

The main topics addressed by Kefeng Cai include advanced thermoelectric materials and devices, thermal radiation and cooling technologies, perovskite materials and applications, studies on perfectionism, procrastination, and anxiety, advanced battery technologies research, advanced sensor and energy harvesting materials, and supercapacitor materials and fabrication.

Their recent papers encompass:

  • Ultrahigh Performance of n-Type Ag2Se Films for Flexible Thermoelectric Power Generators, 2020, ACS Applied Materials & Interfaces
  • Ultrahigh performance polyvinylpyrrolidone/Ag2Se composite thermoelectric film for flexible energy harvesting, 2020, Nano Energy
  • Ultrahigh performance PEDOT/Ag2Se/CuAgSe composite film for wearable thermoelectric power generators, 2020, Materials Today Physics
  • Recent advances in flexible thermoelectric films and devices, 2021, Nano Energy
  • Nickel-cobalt (oxy)hydroxide battery-type supercapacitor electrode with high mass loading, 2021, Chemical Engineering Journal

Kefeng Cai collaborates frequently with a number of coauthors, including:

  • Ying Liu (25 publications)
  • Zixing Wang (19 publications)
  • Yuexin Liu (18 publications)
  • Ping Wei (17 publications)
  • Mingcheng Zhang (15 publications)

Their work is regularly published in several scientific venues. The most frequent publication outlets are:

  • ACS Applied Materials & Interfaces (10 publications)
  • Chemical Engineering Journal (9 publications)
  • Nano Energy (4 publications)
  • Materials Today Physics (4 publications)
  • Advanced Functional Materials (3 publications)

Best Publications

  • Research progress on conducting polymer based supercapacitor electrode materials

    Qiufeng Meng;Qiufeng Meng;Kefeng Cai;Yuanxun Chen;Lidong Chen

  • High performance n-type Ag 2 Se film on nylon membrane for flexible thermoelectric power generator

    Yufei Ding;Yang Qiu;Kefeng Cai;Qin Yao

  • Research progress on polymer–inorganic thermoelectric nanocomposite materials

    Yong Du;Shirley Z. Shen;Kefeng Cai;Philip S. Casey

  • Thermoelectric Fabrics: Toward Power Generating Clothing

    Yong Du;Kefeng Cai;Song Chen;Hongxia Wang

  • Facile Preparation and Thermoelectric Properties of Bi2Te3 Based Alloy Nanosheet/PEDOT:PSS Composite Films

    Yong Du;K. F. Cai;K. F. Cai;Song Chen;Pavel Cizek

  • Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films

    Yao Lu;Yufei Ding;Yang Qiu;Kefeng Cai

  • Ultrahigh power factor and flexible silver selenide-based composite film for thermoelectric devices

    Yao Lu;Yang Qiu;Kefeng Cai;Yufei Ding

  • Microwave-assisted synthesis of honeycomblike hierarchical spherical Zn-doped Ni-MOF as a high-performance battery-type supercapacitor electrode material

    Yuanxun Chen;Dan Ni;Xiaowei Yang;Congcong Liu

  • Preparation and thermoelectric properties of Al-doped ZnO ceramics

    K.F. Cai;K.F. Cai;E. Müller;C. Drašar;A. Mrotzek

  • Preparation and properties of PEDOT:PSS/Te nanorod composite films for flexible thermoelectric power generator

    Haijun Song;Kefeng Cai

  • High-Performance and Breathable Polypyrrole Coated Air-Laid Paper for Flexible All-Solid-State Supercapacitors

    Yuanxun Chen;Kefeng Cai;Congcong Liu;Haijun Song

  • Facile Fabrication and Thermoelectric Properties of PbTe-Modified Poly(3,4-ethylenedioxythiophene) Nanotubes

    Yuanyuan Wang;Kefeng Cai;Xi Yao

  • Simultaneous increase in conductivity and Seebeck coefficient in a polyaniline/graphene nanosheets thermoelectric nanocomposite

    Yong Du;Yong Du;Shirley Z. Shen;Weidong Yang;Richard Donelson

  • Preparation and thermoelectric properties of multi-walled carbon nanotubes/polypyrrole composites

    Jiao Wang;Kefeng Cai;Shirley Shen;Junlin Yin

  • Ultrahigh Performance of n-Type Ag2Se Films for Flexible Thermoelectric Power Generators

    Cong Jiang;Yufei Ding;Kefeng Cai;Liang Tong

  • The effect of Te doping on the electronic structure and thermoelectric properties of SnSe

    Song Chen;Kefeng Cai;Wenyu Zhao

  • Free-standing and highly conductive PEDOT nanowire films for high-performance all-solid-state supercapacitors

    Dan Ni;Yuanxun Chen;Haijun Song;Congcong Liu

  • Ultrahigh performance polyvinylpyrrolidone/Ag2Se composite thermoelectric film for flexible energy harvesting

    Cong Jiang;Ping Wei;Yufei Ding;Kefeng Cai

  • Ultra-high performance and flexible polypyrrole coated CNT paper electrodes for all-solid-state supercapacitors

    Liang Tong;Mingyuan Gao;Cong Jiang;Kefeng Cai

  • Ultrahigh performance PEDOT/Ag2Se/CuAgSe composite film for wearable thermoelectric power generators

    Y. Lu;Y. Qiu;K. Cai;X. Li

  • Preparation and thermoelectric properties of reduced graphene oxide/PEDOT:PSS composite films

    Fengyuan Li;Kefeng Cai;Shirley Shen;Song Chen

  • A facile chemical reduction approach for effectively tuning thermoelectric properties of PEDOT films

    Jiao Wang;Kefeng Cai;Shirley Shen

Frequent Co-Authors

Ce-Wen Nan
Ce-Wen Nan Tsinghua University
Jiaqing He
Jiaqing He Southern University of Science and Technology
Yaping Du
Yaping Du Nankai University
Caicun Zhou
Caicun Zhou Tongji University
Lidong Chen
Lidong Chen Chinese Academy of Sciences
Xi Yao
Xi Yao Xi'an Jiaotong University
Xiaowei Yang
Xiaowei Yang Shanghai Jiao Tong University
Tong Lin
Tong Lin Tianjin Polytechnic University
Hong Liu
Hong Liu Shandong University
Xiang Li
Xiang Li Chinese Academy of Sciences

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