| Research Topics (Energy) | ||||
| Absorption | Economic analysis | Feasibility study | Machine learning approaches | Radiative cooling |
| Adsorption | Economic and social effects | Financial development | Manganese compounds | Reaction kinetics |
| Advanced materials | Economic growth | Flexible electronics | Manufacturing | Redox reactions |
| Aerogels | Economic growths | Forecasting | Metal halides | Reduction |
| Algorithm | Economics | Foreign direct investments | Metal ions | Reinforcement learning |
| Alkaline electrolytes | Efficiency | Fossil fuels | Metals | Renewable electricity |
| Alkalinity | Efficiency measurement | Fuel cell | Methane | Renewable energies |
| Alternative energy | Electric batteries | Fuel cells | Micro grid | Renewable energy |
| Ammonia | Electric energy storage | Fuel consumption | Microstructure | Renewable energy consumption |
| Anodes | Electric load flow | Fullerene | Molecules | Renewable energy resources |
| Antennas | Electric power systems | Fullerenes | Monitoring | Renewable energy source |
| Artificial intelligence | Electric power transmission networks | Functional materials | Morphology | Renewable resource |
| Automation | Electric power utilization | Future prospect | Nanomaterial | Research opportunities |
| Batteries | Electric utilities | Future research directions | Nanomaterials | Review |
| Battery management systems | Electric vehicle | Gas emissions | Nanoparticle | Secondary batteries |
| Benchmarking | Electric vehicles | Global warming | Nanostructured materials | Sensor |
| Big data | Electrical power | Graphene | Neural networks | Separation |
| Biomass | Electricity | Greenhouse gases | Nickel compounds | Smart city |
| Blockchain | Electrocatalysis | Haber-bosch process | Nitrogen | Smart grid |
| Building energy | Electrocatalysts | Heat flux | Nitrogen fixation | Sodium-ion batteries |
| Buildings | Electrochemical electrodes | Heat storage | Nitrogen reduction | Solar absorbers |
| Capacitance | Electrochemical energy storage | Heating | Non-radiative recombinations | Solar cells |
| Carbon | Electrochemical method | Heterojunctions | Non-renewable energy | Solar energy |
| Carbon dioxide | Electrochemistry | High conversion efficiency | Numerical model | Solar power |
| Carbon emission | Electrode | High current densities | One-sun illumination | Solar power generation |
| Carbon emissions | Electrodes | High energy densities | Open circuit voltage | Solar radiation |
| Carbon footprint | Electrokinesis | High energy efficiency | Operational stability | Solar steam |
| Carbon nanotubes | Electrolysis | High energy environment | Operations technology | Solid electrolytes |
| Catalysis | Electrolyte | High power conversion | Optimization | Solid-state batteries |
| Catalyst | Electrolytes | Hybrid materials | Organic photovoltaics | Stability |
| Catalyst activity | Electrolytic reduction | Hybrid supercapacitors | Organic solar cells | State of the art |
| Catalysts | Electron | Hydrogen | Organic-inorganic hybrid | Statistical tests |
| Cathodes | Electronic equipment | Hydrogen evolution reactions | Organic-inorganic materials | Steam |
| Cellulose | Emission control | Hydrogen production | Oxidation | Steam generators |
| Ceramic materials | Energy | Impulse response | Oxygen | Storage (materials) |
| Characterization | Energy conservation | Industrial research | Oxygen evolution reaction | Structural break |
| Charge recombinations | Energy consumption | Industry 4.0 | Peer to peer networks | Sulfur compounds |
| Charging (batteries) | Energy conversion | Innovation | Performance assessment | Supercapacitor |
| Chemical activation | Energy dissipation | Inorganic compound | Perovskite | Sustainability |
| Chemical compound | Energy efficiency | Instrumentation | Perovskite solar cells | Sustainable development |
| Chemical reaction | Energy gap | Integrated approach | Phase change materials | Sustainable energy |
| Climate change | Energy management | Intelligent buildings | Phase transition | Tandem solar cells |
| Co2 emissions | Energy management systems | Interfaces (materials) | Photoelectrochemical cells | Technological change |
| Cobalt compounds | Energy market | Internet of things | Photovoltaic cells | Technological development |
| Commerce | Energy policy | Internet of things (iot) | Photovoltaic system | Thermal energy |
| Composite | Energy resource | Investment | Planning | Thermal management strategy |
| Conversion efficiency | Energy resources | Investments | Policy implications | Thermal power |
| Cooling | Energy storage | Ion exchange | Pollution control | Thermodynamic properties |
| Cooling systems | Energy storage and conversions | Ions | Polymer | Thermodynamic stability |
| Copper compounds | Energy storage systems | Irradiation | Polymer solar cells | Thermodynamics |
| Cost effectiveness | Energy use | Kuznets curve | Polymers | Time series |
| Costs | Energy utilization | Lead compounds | Population statistics | Tin compounds |
| Coulombic efficiency | Environmental degradation | Learning algorithms | Pore size | Transition metals |
| Decision making | Environmental economics | Learning systems | Porosity | Urbanization |
| Deep learning | Environmental impact | Light | Porous materials | Vehicle-to-grid |
| Deep neural networks | Environmental kuznets curve | Literature review | Porous medium | Waste heat |
| Degradation | Environmental kuznets curves | Lithium | Positive ions | Wastewater treatment |
| Demand analysis | Environmental pollutions | Lithium batteries | Power conversion efficiencies | Water filtration |
| Density functional theory | Environmental technology | Lithium compounds | Power generation | Water purification |
| Desalination | Equipment component | Lithium metal anode | Power markets | Wind power |
| Device performance | Error correction | Lithium-ion batteries | Precious metals | Zinc |
| Digital storage | Evaporation | Long term stability | Prediction | |
| Distillation | Evaporators | Low temperature | Public policy | |
| Ecological footprint | Fabrication | Machine learning | Quantum theory |