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World 5,984 Scientists H-Index Engineering & Technology / Energy Engineering Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 5.984 scientist , Updates every 3 days
* Total H Index Rankings

Rankings

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15
World Rank
Switzerland
1
Country Rank
École Polytechnique Fédérale de Lausanne Logo
1
University
Ranking Based On Selection:
1
Michael Graetzel
École Polytechnique Fédérale de Lausanne Lausanne, Switzerland
Engineering & Technology / Energy Engineering
Solar energy conversio

H-Index Metrics

  • Total
    317
  • Last 5 Years
    181
  • Last 5 Years / Total
    0.571
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* Total H Index Rankings

Rankings

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351
World Rank
Switzerland
5
Country Rank
École Polytechnique Fédérale de Lausanne Logo
2
University
Ranking Based On Selection:
2
Roberto Castello
École Polytechnique Fédérale de Lausanne Lausanne, Switzerland
Engineering & Technology / Energy Engineering
Statistics | Machine Learning | Renewable Energy | Building Physics | Particle Physic

H-Index Metrics

  • Total
    231
  • Last 5 Years
    113
  • Last 5 Years / Total
    0.489
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* Total H Index Rankings

Rankings

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799
World Rank
Switzerland
17
Country Rank
École Polytechnique Fédérale de Lausanne Logo
6
University
Ranking Based On Selection:
3
Nazeeruddin
École Polytechnique Fédérale de Lausanne Lausanne, Switzerland
Engineering & Technology / Energy Engineering
solar energy

H-Index Metrics

  • Total
    196
  • Last 5 Years
    116
  • Last 5 Years / Total
    0.592
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* Total H Index Rankings

Rankings

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810
World Rank
United States
294
Country Rank
University of California Los Angeles Logo
4
University
Ranking Based On Selection:
4
Yang Yang (楊陽)
University of California Los Angeles Los Angeles, United States
Engineering & Technology / Energy Engineering
solar cells | memory | semiconductor | organic electronics | organic photovoltaic

H-Index Metrics

  • Total
    195
  • Last 5 Years
    115
  • Last 5 Years / Total
    0.590
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* Total H Index Rankings

Rankings

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1,019
World Rank
United States
384
Country Rank
University of Texas Austin Logo
4
University
Ranking Based On Selection:
5
Arumugam Manthiram
University of Texas Austin Austin, United States
Engineering & Technology / Energy Engineering
batteries | fuel cells | materials chemistry | synthesis | nanomaterial

H-Index Metrics

  • Total
    182
  • Last 5 Years
    128
  • Last 5 Years / Total
    0.703
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* Total H Index Rankings

Rankings

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1,463
World Rank
United Kingdom
111
Country Rank
Imperial College London Logo
12
University
Ranking Based On Selection:
6
James Robert Durrant
Imperial College London London, United Kingdom
Engineering & Technology / Energy Engineering
solar energy | photochemistr

H-Index Metrics

  • Total
    165
  • Last 5 Years
    96
  • Last 5 Years / Total
    0.582
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* Total H Index Rankings

Rankings

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1,526
World Rank
Australia
43
Country Rank
University of New South Wales Logo
5
University
Ranking Based On Selection:
7
Martin A Green
University of New South Wales Sydney, Australia
Engineering & Technology / Energy Engineering
Photovoltaics | Semiconductors | Solar Cells | Conversion Efficienc

H-Index Metrics

  • Total
    163
  • Last 5 Years
    107
  • Last 5 Years / Total
    0.656
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* Total H Index Rankings

Rankings

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2,142
World Rank
South Korea
24
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
2
University
Ranking Based On Selection:
8
Jaephil Cho
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Energy Engineering
batterie

H-Index Metrics

  • Total
    150
  • Last 5 Years
    103
  • Last 5 Years / Total
    0.687
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* Total H Index Rankings

Rankings

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2,294
World Rank
China
77
Country Rank
Beijing Institute of Technology Logo
2
University
Ranking Based On Selection:
9
Jia-Qi Huang 黄佳琦
Beijing Institute of Technology Beijing, China
Engineering & Technology / Energy Engineering
Energy storage | Li-S batteries | Lithium metal anode | Carbon nanomaterials | Fluidized be

H-Index Metrics

  • Total
    147
  • Last 5 Years
    136
  • Last 5 Years / Total
    0.925
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* Total H Index Rankings

Rankings

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2,712
World Rank
Sweden
31
Country Rank
Royal Institute of Technology Logo
3
University
Ranking Based On Selection:
10
Licheng Sun
Royal Institute of Technology Stockholm, Sweden
Engineering & Technology / Energy Engineering
Solar Cells & Solar Fuels | Artificial Photosynthesis | Water Splitting | AEM-WE | CO2 Reductio

H-Index Metrics

  • Total
    142
  • Last 5 Years
    89
  • Last 5 Years / Total
    0.627
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* Total H Index Rankings

Rankings

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3,213
World Rank
United States
1,403
Country Rank
Cornell University Logo
10
University
Ranking Based On Selection:
11
David A Muller
Cornell University Ithaca, United States
Engineering & Technology / Energy Engineering
Electron Microscopy | Tomography | Renewable Energy | Complex Oxides | Ptychograph

H-Index Metrics

  • Total
    136
  • Last 5 Years
    99
  • Last 5 Years / Total
    0.728
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* Total H Index Rankings

Rankings

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3,491
World Rank
United Arab Emirates
3
Country Rank
University of Sharjah Logo
2
University
Ranking Based On Selection:
12
Abdul-Ghani Olabi
University of Sharjah Sharjah, United Arab Emirates
Engineering & Technology / Energy Engineering
Renewable Energy | Energy Storage Systems | CAD and Design | Smart Material

H-Index Metrics

  • Total
    133
  • Last 5 Years
    113
  • Last 5 Years / Total
    0.850
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* Total H Index Rankings

Rankings

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3,853
World Rank
Singapore
27
Country Rank
Nanyang Technological University Logo
11
University
Ranking Based On Selection:
13
Shen Ze Xiang
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Energy Engineering
energy storage materials | graphene 2D materials | photonics | hybrid perovskite

H-Index Metrics

  • Total
    130
  • Last 5 Years
    87
  • Last 5 Years / Total
    0.669
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* Total H Index Rankings

Rankings

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4,780
World Rank
United States
2,132
Country Rank
National Renewable Energy Laboratory Logo
1
University
Ranking Based On Selection:
14
Kai Zhu
National Renewable Energy Laboratory Golden, United States
Engineering & Technology / Energy Engineering
Solar Energy Conversion and Storag

H-Index Metrics

  • Total
    123
  • Last 5 Years
    96
  • Last 5 Years / Total
    0.780
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* Total H Index Rankings

Rankings

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4,826
World Rank
United States
2,153
Country Rank
University of Delaware Logo
3
University
Ranking Based On Selection:
15
Yushan Yan
University of Delaware Newark, United States
Engineering & Technology / Energy Engineering
Electrochemical Engineering | Polymer Electrolytes | Fuel cells | Hydrogen | Electrocatalysi

H-Index Metrics

  • Total
    123
  • Last 5 Years
    78
  • Last 5 Years / Total
    0.634
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* Total H Index Rankings

Rankings

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5,423
World Rank
China
222
Country Rank
Institute of Metal Research, Chinese Academy of Sciences Logo
2
University
Ranking Based On Selection:
16
Gang Liu (刘岗)
Institute of Metal Research, Chinese Academy of Sciences Beijing, China
Engineering & Technology / Energy Engineering
solar energy conversion materials (potocatalysis | photoelectrochemical | solar cells

H-Index Metrics

  • Total
    119
  • Last 5 Years
    90
  • Last 5 Years / Total
    0.756
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* Total H Index Rankings

Rankings

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5,810
World Rank
China
240
Country Rank
Central South University Logo
2
University
Ranking Based On Selection:
17
Liu Gang
Central South University Changsha, China
Engineering & Technology / Energy Engineering
Biosenso

H-Index Metrics

  • Total
    117
  • Last 5 Years
    93
  • Last 5 Years / Total
    0.795
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* Total H Index Rankings

Rankings

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5,865
World Rank
Singapore
43
Country Rank
Nanyang Technological University Logo
15
University
Ranking Based On Selection:
18
Madhavi Srinivasan
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Energy Engineering
Energy storage | Batteries | E-waste/Batteries recycling | Sustainability | Circular econom

H-Index Metrics

  • Total
    117
  • Last 5 Years
    77
  • Last 5 Years / Total
    0.658
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* Total H Index Rankings

Rankings

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6,215
World Rank
Canada
228
Country Rank
University of Toronto Logo
40
University
Ranking Based On Selection:
19
David Sinton
University of Toronto Toronto, Canada
Engineering & Technology / Energy Engineering
energy | fluids | CO2 conversion | CO2 capture | electrochemical system

H-Index Metrics

  • Total
    115
  • Last 5 Years
    95
  • Last 5 Years / Total
    0.826
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* Total H Index Rankings

Rankings

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6,664
World Rank
Hong Kong
77
Country Rank
City University of Hong Kong Logo
22
University
Ranking Based On Selection:
20
Hin-Lap Yip 葉軒立)
City University of Hong Kong Kowloon, Hong Kong
Engineering & Technology / Energy Engineering
perovskite solar cells | perovskite LEDs | organic solar cells | organic electronic

H-Index Metrics

  • Total
    113
  • Last 5 Years
    84
  • Last 5 Years / Total
    0.743
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* Total H Index Rankings

Rankings

flag
6,860
World Rank
Malaysia
10
Country Rank
University of Malaya Logo
2
University
Ranking Based On Selection:
21
Nasrudin Abd Rahim
University of Malaya Kuala Lumpur, Malaysia
Engineering & Technology / Energy Engineering
Renewable Energy | Power Electronics | Drives | Electrical Engineerin

H-Index Metrics

  • Total
    112
  • Last 5 Years
    92
  • Last 5 Years / Total
    0.821
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* Total H Index Rankings

Rankings

flag
6,878
World Rank
China
297
Country Rank
Tongji University Logo
2
University
Ranking Based On Selection:
22
Liguang Liu
Tongji University Shanghai, China
Engineering & Technology / Energy Engineering
Engine Combustion | bio-fuel | ragne extende

H-Index Metrics

  • Total
    112
  • Last 5 Years
    85
  • Last 5 Years / Total
    0.759
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* Total H Index Rankings

Rankings

flag
6,943
World Rank
Switzerland
127
Country Rank
Eidgenössische Technische Hochschule ETH Zürich Logo
31
University
Ranking Based On Selection:
23
Dimos Poulikakos
Eidgenössische Technische Hochschule ETH Zürich Zurich, Switzerland
Engineering & Technology / Energy Engineering
Energy | Nanotechnology | Thermodynamics | Interfacial Phenomena and Surface Science | Biofluidic

H-Index Metrics

  • Total
    112
  • Last 5 Years
    69
  • Last 5 Years / Total
    0.616
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* Total H Index Rankings

Rankings

flag
7,185
World Rank
Switzerland
131
Country Rank
École Polytechnique Fédérale de Lausanne Logo
20
University
Ranking Based On Selection:
24
Christophe Ballif
École Polytechnique Fédérale de Lausanne Lausanne, Switzerland
Engineering & Technology / Energy Engineering
solar cells and modules | building integrated photovoltaics | storage | smart gri

H-Index Metrics

  • Total
    111
  • Last 5 Years
    69
  • Last 5 Years / Total
    0.622
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* Total H Index Rankings

Rankings

flag
7,598
World Rank
Egypt
10
Country Rank
Delta University for Science & Technology Logo
1
University
Ranking Based On Selection:
25
Ae Kabeel
Delta University for Science & Technology Dakahlia, Egypt
Engineering & Technology / Energy Engineering
• Renewable Energy Systems. • Desiccant Dehumidification Systems. • Refrigeration and Ai

H-Index Metrics

  • Total
    109
  • Last 5 Years
    103
  • Last 5 Years / Total
    0.945
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