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World 77 Scientists H-Index Engineering & Technology / Energy Engineering Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 77 scientist , Updates every 3 days
* Total H Index Rankings

Rankings

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2,013
World Rank
South Korea
21
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
2
University
Ranking Based On Selection:
1
Jaephil Cho
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Energy Engineering
batterie

H-Index Metrics

  • Total
    149
  • Last 5 Years
    100
  • Last 5 Years / Total
    0.671
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* Total H Index Rankings

Rankings

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61,807
World Rank
South Korea
818
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
23
University
Ranking Based On Selection:
2
Dong-Hwa Seo 서동화
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Energy Engineering
energy storage | Materials design | Lithium batteries | computational modeling | First principle

H-Index Metrics

  • Total
    57
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.825
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* Total H Index Rankings

Rankings

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71,165
World Rank
United States
26,816
Country Rank
University of North Carolina Charlotte Logo
14
University
Ranking Based On Selection:
3
Jun Xu
University of North Carolina Charlotte Charlotte, United States
Engineering & Technology / Energy Engineering
Battery Safety | Battery Multiphysics Modeling | Impact Dynamic

H-Index Metrics

  • Total
    54
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.907
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* Total H Index Rankings

Rankings

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73,280
World Rank
United States
27,425
Country Rank
University at Albany Logo
27
University
Ranking Based On Selection:
4
Richard Perez
University at Albany Albany, United States
Engineering & Technology / Energy Engineering
solar energy | high penetration renewable

H-Index Metrics

  • Total
    54
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.611
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* Total H Index Rankings

Rankings

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91,686
World Rank
South Korea
1,370
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
32
University
Ranking Based On Selection:
5
Hankwon Lim
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Energy Engineering
TRL-based process design | Scale-up | CO2 capture & utilization | H2 | Waste valorizatio

H-Index Metrics

  • Total
    49
  • Last 5 Years
    46
  • Last 5 Years / Total
    0.939
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* Total H Index Rankings

Rankings

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108,671
World Rank
South Korea
1,696
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
39
University
Ranking Based On Selection:
6
Kyoung Jin Choi
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Energy Engineering
photovoltaics | thermoelectrics | sensor

H-Index Metrics

  • Total
    46
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.739
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* Total H Index Rankings

Rankings

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110,401
World Rank
Japan
2,161
Country Rank
Gifu University Logo
13
University
Ranking Based On Selection:
7
Hiroyuki Fujiwara
Gifu University Gifu, Japan
Engineering & Technology / Energy Engineering
Solar cells | Photovoltaics | Ellipsometry | Optical characterizatio

H-Index Metrics

  • Total
    46
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.609
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* Total H Index Rankings

Rankings

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124,777
World Rank
India
2,005
Country Rank
Delhi Skill and Entrepreneurship University Logo
1
University
Ranking Based On Selection:
8
Prabhakar Sharma
Delhi Skill and Entrepreneurship University New Delhi, India
Engineering & Technology / Energy Engineering
Biogas | Biomass gasification | alternative fuels | IC Engine

H-Index Metrics

  • Total
    43
  • Last 5 Years
    43
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

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142,056
World Rank
United States
48,074
Country Rank
University of California Berkeley Logo
694
University
Ranking Based On Selection:
9
Isha Ray
University of California Berkeley Berkeley, United States
Engineering & Technology / Energy Engineering

H-Index Metrics

  • Total
    41
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.732
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* Total H Index Rankings

Rankings

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158,794
World Rank
Iran
1,471
Country Rank
Ferdowsi University of Mashhad Logo
34
University
Ranking Based On Selection:
10
Javad Sadeh
Ferdowsi University of Mashhad Mashhad, Iran
Engineering & Technology / Energy Engineering
Power System Protectio

H-Index Metrics

  • Total
    39
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.718
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* Total H Index Rankings

Rankings

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167,625
World Rank
United States
55,198
Country Rank
University of Louisville Logo
94
University
Ranking Based On Selection:
11
Noppadon Sathitsuksanoh
University of Louisville Louisville, United States
Engineering & Technology / Energy Engineering
natural resources | renewable energy/materials | biomass conversion | energy scienc

H-Index Metrics

  • Total
    38
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.737
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* Total H Index Rankings

Rankings

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193,578
World Rank
India
3,930
Country Rank
NIT Puducherry Logo
1
University
Ranking Based On Selection:
12
Sendhil Kumar Natarajan
NIT Puducherry Karaikal, India
Engineering & Technology / Energy Engineering
Solar Desalination | Solar Dryer | Concentrating PV | Integration of High Temperature Solar Thermal an

H-Index Metrics

  • Total
    35
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.971
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* Total H Index Rankings

Rankings

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209,899
World Rank
United States
66,688
Country Rank
Tufts University Logo
160
University
Ranking Based On Selection:
13
Kelly Sims Gallagher
Tufts University Medford, United States
Engineering & Technology / Energy Engineering
Climate policy | energy innovation | development & decarbonizatio

H-Index Metrics

  • Total
    34
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.765
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* Total H Index Rankings

Rankings

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268,935
World Rank
South Korea
4,933
Country Rank
Hanbat National University Logo
5
University
Ranking Based On Selection:
14
Choong-Heui Chung 정중희|CH Chung, 정 중희
Hanbat National University Daejeon, South Korea
Engineering & Technology / Energy Engineering
transparent conducting electrodes | solar cell

H-Index Metrics

  • Total
    30
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.667
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* Total H Index Rankings

Rankings

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292,236
World Rank
Qatar
301
Country Rank
Hamad Bin Khalifa University Logo
57
University
Ranking Based On Selection:
15
Eric C Okonkwo
Hamad Bin Khalifa University Ar-Rayyan, Qatar
Engineering & Technology / Energy Engineering
Alternative/ Renewable Energy Systems & Fuels (including hydrogen and ammonia) | Thermal Energ

H-Index Metrics

  • Total
    28
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.964
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* Total H Index Rankings

Rankings

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301,322
World Rank
United States
90,398
Country Rank
Purdue University Logo
768
University
Ranking Based On Selection:
16
Klein Ileleji
Purdue University West Lafayette, United States
Engineering & Technology / Energy Engineering
Grain and Biomass Post-Harvest Technology | Particle Technology | Bioenergy | Renewable Energy | International Developmen

H-Index Metrics

  • Total
    28
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.714
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* Total H Index Rankings

Rankings

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355,302
World Rank
India
9,608
Country Rank
Indian Institute of Engineering Science and Technology Shibpur Logo
31
University
Ranking Based On Selection:
17
Sudip Ghosh
Indian Institute of Engineering Science and Technology Shibpur Shibpur, India
Engineering & Technology / Energy Engineering
Renewable Energy | Clean Coal Technology | Greenhouse Technolog

H-Index Metrics

  • Total
    25
  • Last 5 Years
    22
  • Last 5 Years / Total
    0.880
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* Total H Index Rankings

Rankings

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385,041
World Rank
India
10,785
Country Rank
Government College of Engineering Kannur Logo
1
University
Ranking Based On Selection:
18
Jayaprakash P
Government College of Engineering Kannur Kannur, India
Engineering & Technology / Energy Engineering
Renewable energy application

H-Index Metrics

  • Total
    24
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

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385,505
World Rank
Japan
8,197
Country Rank
University of Tsukuba Logo
158
University
Ranking Based On Selection:
19
Hirohisa Aki
University of Tsukuba Tsukuba, Japan
Engineering & Technology / Energy Engineering
Energy systems | power system

H-Index Metrics

  • Total
    24
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
389,250
World Rank
United States
112,597
Country Rank
University of California Berkeley Logo
1,276
University
Ranking Based On Selection:
20
Harshal A Chokhawala
University of California Berkeley Berkeley, United States
Engineering & Technology / Energy Engineering
Carbohydrate chemistry | Carbohydrate-Protein Interactions | Biocatalysis | Enzyme Engineering | Directed Evolutio

H-Index Metrics

  • Total
    24
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.708
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* Total H Index Rankings

Rankings

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403,070
World Rank
Bangladesh
549
Country Rank
Bangladesh Agricultural University Logo
54
University
Ranking Based On Selection:
21
Chayan Kumer Saha
Bangladesh Agricultural University Mymensingh, Bangladesh
Engineering & Technology / Energy Engineering
Renewable Energy | Circular Bioeconomy | Precision agriculture | PHL technology | Agricultural Machiner

H-Index Metrics

  • Total
    23
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.870
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* Total H Index Rankings

Rankings

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413,263
World Rank
Taiwan
2,770
Country Rank
Fu Jen Catholic University Logo
17
University
Ranking Based On Selection:
22
Hsieh-Chih Chen (陳協志)
Fu Jen Catholic University New Taipei City, Taiwan
Engineering & Technology / Energy Engineering
Materials Design | Energy Materials | Solid-State Chemistry | Solar Cells | Optoelectronic

H-Index Metrics

  • Total
    23
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.739
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* Total H Index Rankings

Rankings

flag
414,780
World Rank
South Korea
7,754
Country Rank
Hanyang University Logo
300
University
Ranking Based On Selection:
23
Jin Young Jung
Hanyang University Seoul, South Korea
Engineering & Technology / Energy Engineering
solar energy harvestin

H-Index Metrics

  • Total
    23
  • Last 5 Years
    16
  • Last 5 Years / Total
    0.696
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* Total H Index Rankings

Rankings

flag
420,654
World Rank
South Korea
7,843
Country Rank
Gyeongsang National University Logo
63
University
Ranking Based On Selection:
24
Jaeseok Choi
Gyeongsang National University Jinju, South Korea
Engineering & Technology / Energy Engineering
Power Syste

H-Index Metrics

  • Total
    23
  • Last 5 Years
    12
  • Last 5 Years / Total
    0.522
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* Total H Index Rankings

Rankings

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427,790
World Rank
Malaysia
2,834
Country Rank
University of Malaya Logo
347
University
Ranking Based On Selection:
25
Muhammad Shakeel Ahmad
University of Malaya Kuala Lumpur, Malaysia
Engineering & Technology / Energy Engineering
Metallurgy and Materials Engineering | Hydrogen technologies | Integration Engineering | solar Photovoltaics | High temperature ma

H-Index Metrics

  • Total
    22
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.909
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