H-Index
Rankings
World 6,007 Scientists H-Index Engineering & Technology / Energy Engineering Rankings - 2025
Measure your academic influence with the AD Scientific Index 2025 H-Index Rankings.
These rankings provide a comprehensive evaluation of scientific performance by combining total and recent 6-year h-index values, offering insight into both research productivity and long-term impact. The h-index balances quantity with quality, highlighting sustained academic excellence. Rankings are continuously updated in near real-time to reflect the latest scholarly activity across countries, institutions, and 211 academic fields. Premium Membership unlocks deeper analytics, dynamic ranking tools, and personalized trend visualizations.
* Total H Index Rankings
Ranking Based
On Selection: 1
Solar energy conversio
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
312
173
0.554
Get Full Access to Premium Data
* Total H Index Rankings
Ranking Based
On Selection: 2
hollow structures
batteries
electrocatalysis
supercapacitors
photocatalysi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
229
161
0.703
* Total H Index Rankings
Ranking Based
On Selection: 3
Statistics
Machine Learning
Renewable Energy
Building Physics
Particle Physic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
224
108
0.482
* Total H Index Rankings
Ranking Based
On Selection: 4
solar energy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
196
116
0.592
* Total H Index Rankings
Ranking Based
On Selection: 5
solar cells
memory
semiconductor
organic electronics
organic photovoltaic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
192
111
0.578
* Total H Index Rankings
Ranking Based
On Selection: 6
batteries
fuel cells
materials chemistry
synthesis
nanomaterial
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
176
121
0.688
* Total H Index Rankings
Ranking Based
On Selection: 7
solar energy
photochemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
162
90
0.556
* Total H Index Rankings
Ranking Based
On Selection: 8
Photovoltaics
Semiconductors
Solar Cells
Conversion Efficienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
154
97
0.630
* Total H Index Rankings
Ranking Based
On Selection: 9
batterie
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
148
98
0.662
* Total H Index Rankings
Ranking Based
On Selection: 10
Solar Cells & Solar Fuels
Artificial Photosynthesis
Water Splittin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
139
85
0.612
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total H Index Rankings
Ranking Based
On Selection: 11
Energy storage
Li-S batteries
Lithium metal anode
Carbon nanomaterials
Fluidized be
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
135
125
0.926
* Total H Index Rankings
Ranking Based
On Selection: 12
Electron Microscopy
Tomography
Renewable Energy
Complex Oxides
Ptychograph
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
93
0.727
* Total H Index Rankings
Ranking Based
On Selection: 13
energy storage materials
graphene 2D materials
photonics
hybrid perovskite
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
82
0.646
* Total H Index Rankings
Ranking Based
On Selection: 14
Renewable Energy
Energy Storage Systems
CAD and Design
Smart Material
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
102
0.823
* Total H Index Rankings
Ranking Based
On Selection: 15
Energy Engineering
Solar Thermal
Photovoltaics
Renewable Energ
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
96
0.780
* Total H Index Rankings
Ranking Based
On Selection: 16
Solar Energy Conversion and Storag
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
91
0.765
* Total H Index Rankings
Ranking Based
On Selection: 17
Electrochemical Engineering
Fuel cells
Hydrogen
Electrocatalysis
Polymer Electrolyte
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
76
0.639
* Total H Index Rankings
Ranking Based
On Selection: 18
Energy storage
Batteries
E-waste/Batteries recycling
Sustainability
Circular econom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
74
0.643
* Total H Index Rankings
Ranking Based
On Selection: 19
solar energy conversion materials (potocatalysis
photoelectrochemical
solar cells
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
84
0.750
* Total H Index Rankings
Ranking Based
On Selection: 20
energy
fluids
CO2 conversion
CO2 capture
electrochemical system
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
90
0.818
* Total H Index Rankings
Ranking Based
On Selection: 21
Biosenso
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
84
0.764
* Total H Index Rankings
Ranking Based
On Selection: 22
Renewable Energy
Power Electronics
Drives
Electrical Engineerin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
86
0.789
* Total H Index Rankings
Ranking Based
On Selection: 23
Engine Combustion
bio-fuel
ragne extende
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
79
0.725
* Total H Index Rankings
Ranking Based
On Selection: 24
perovskite solar cells
perovskite LEDs
organic solar cells
organic electronic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
79
0.718
* Total H Index Rankings
Ranking Based
On Selection: 25
solar cells and modules
building integrated photovoltaics
storage
smart gri
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
66
0.606
Michael Graetzel
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
312
173
0.554
Solar energy conversio
Xiong Wen David Lou
Nanyang Technological University
Jurong West, Singapore
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
229
161
0.703
hollow structures
batteries
electrocatalysis
supercapacitors
photocatalysi
Roberto Castello
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
224
108
0.482
Statistics
Machine Learning
Renewable Energy
Building Physics
Particle Physic
Nazeeruddin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
196
116
0.592
Yang Yang (楊陽)
University of California Los Angeles
Los Angeles, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
192
111
0.578
solar cells
memory
semiconductor
organic electronics
organic photovoltaic
Arumugam Manthiram
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
176
121
0.688
batteries
fuel cells
materials chemistry
synthesis
nanomaterial
James Robert Durrant
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
162
90
0.556
solar energy
photochemistr
Martin A Green
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
154
97
0.630
Photovoltaics
Semiconductors
Solar Cells
Conversion Efficienc
Jaephil Cho
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
148
98
0.662
Licheng Sun
Royal Institute of Technology
Stockholm, Sweden
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
139
85
0.612
Solar Cells & Solar Fuels
Artificial Photosynthesis
Water Splittin
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
Jia-Qi Huang 黄佳琦
Beijing Institute of Technology
Beijing, China
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
135
125
0.926
Energy storage
Li-S batteries
Lithium metal anode
Carbon nanomaterials
Fluidized be
David A Muller
Cornell University
Ithaca, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
93
0.727
Electron Microscopy
Tomography
Renewable Energy
Complex Oxides
Ptychograph
Shen Ze Xiang
Nanyang Technological University
Jurong West, Singapore
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
82
0.646
energy storage materials
graphene 2D materials
photonics
hybrid perovskite
Abdul-Ghani Olabi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
102
0.823
Renewable Energy
Energy Storage Systems
CAD and Design
Smart Material
Kamaruzzaman Sopian
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
96
0.780
Energy Engineering
Solar Thermal
Photovoltaics
Renewable Energ
Kai Zhu
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
91
0.765
Solar Energy Conversion and Storag
Yushan Yan
University of Delaware
Newark, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
76
0.639
Electrochemical Engineering
Fuel cells
Hydrogen
Electrocatalysis
Polymer Electrolyte
Madhavi Srinivasan
Nanyang Technological University
Jurong West, Singapore
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
74
0.643
Energy storage
Batteries
E-waste/Batteries recycling
Sustainability
Circular econom
Gang Liu (刘岗)
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
84
0.750
solar energy conversion materials (potocatalysis
photoelectrochemical
solar cells
David Sinton
University of Toronto
Toronto, Canada
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
90
0.818
energy
fluids
CO2 conversion
CO2 capture
electrochemical system
Liu Gang
Central South University
Changsha, China
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
84
0.764
Nasrudin Abd Rahim
University of Malaya
Kuala Lumpur, Malaysia
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
86
0.789
Renewable Energy
Power Electronics
Drives
Electrical Engineerin
Liguang Liu
Tongji University
Shanghai, China
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
79
0.725
Engine Combustion
bio-fuel
ragne extende
Hin-Lap Yip 葉軒立)
City University of Hong Kong
Kowloon, Hong Kong
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
79
0.718
perovskite solar cells
perovskite LEDs
organic solar cells
organic electronic
Christophe Ballif
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
66
0.606
solar cells and modules
building integrated photovoltaics
storage
smart gri