How to set planets by countries
For an actual planetary settlement, distinguish ordinary physical dimensions from theoretical extra dimensions.
Dimension or parameter What to calculate Why it matters
3 spatial dimensions Length, width, height Planet shape and surface structures
1 time dimension Day, year, timekeeping Climate cycles and operations
Mass and radius Gravity and escape velocity
Orbital geometry Orbit, eccentricity and inclination
Rotation Angular velocity Day length and rotational effects
Atmosphere Pressure and composition Breathing, climate and radiation shielding
Water system Accessible liquid water or ice Drinking, agriculture and industry
Energy system Power generation and storage Life support and manufacturing
Magnetic environment Field strength and particle exposure Radiation-risk assessment
Extra dimensions Model-dependent geometry Theoretical research; no known habitability requirement
A habitable planet does not need additional spatial dimensions under established science. Our current models of ordinary planetary environments use three spatial dimensions and one time dimension.
### PhD in Energy: Topics 1–999 with Market Product Examples
Below is a practical guide linking energy research topics to real commercial products, equipment, materials, software, and industrial technologies. Product examples are illustrative commercial examples, not endorsements or claims that every product is available in Saudi Arabia.
### Topics 1–100: Energy fundamentals, petroleum, catalysts and solar
| No. | Topic | Market product example |
| --- | ------------------------------ | -------------------------------------------- |
| 1 | Energy Fundamentals | Fluke power meters |
| 2 | Energy Thermodynamics | Thermal analysis instruments |
| 3 | Energy Conversion | Siemens energy-conversion equipment |
| 4 | Heat Transfer | Alfa Laval heat exchangers |
| 5 | Fluid Mechanics | Grundfos industrial pumps |
| 6 | Energy Balances | Aspen Plus software |
| 7 | Exergy Analysis | Engineering simulation software |
| 8 | Combustion Science | Industrial burners |
| 9 | Chemical Thermodynamics | Aspen Properties |
| 10 | Statistical Thermodynamics | Molecular modelling software |
| 11 | Transport Phenomena | CFD simulation software |
| 12 | Phase Equilibria | Aspen HYSYS |
| 13 | Energy Measurement | Fluke energy analyzers |
| 14 | Energy Efficiency | Schneider Electric power meters |
| 15 | Energy Modelling | MATLAB and Simulink |
| 16 | Non-Equilibrium Thermodynamics | COMSOL Multiphysics |
| 17 | Energy Storage | Tesla Megapack |
| 18 | Energy Density | Battery test systems |
| 19 | Energy Systems Integration | Microgrid controllers |
| 20 | Energy Research Methods | Laboratory data acquisition systems |
| 21 | Petroleum Geology | Schlumberger well-logging equipment |
| 22 | Crude Oil Characterization | ASTM-compliant laboratory analyzers |
| 23 | Petroleum Refining | Honeywell UOP refining technologies |
| 24 | Atmospheric Distillation | Refinery distillation columns |
| 25 | Vacuum Distillation | Vacuum distillation units |
| 26 | Fluid Catalytic Cracking | FCC catalyst and additive systems |
| 27 | Hydrocracking | Hydrocracking catalysts and reactors |
| 28 | Hydrotreating | Hydrotreating catalyst systems |
| 29 | Hydrodesulfurization | CoMo/Al₂O₃ catalysts |
| 30 | Catalytic Reforming | Platinum-based reforming catalysts |
| 31 | Isomerization | Isomerization catalyst systems |
| 32 | Alkylation | Industrial alkylation units |
| 33 | Delayed Coking | Petroleum coke handling systems |
| 34 | Natural Gas Processing | Gas dehydration units |
| 35 | LNG | LNG cryogenic heat exchangers |
| 36 | LPG Processing | LPG fractionation equipment |
| 37 | Gas-to-Liquids | Fischer–Tropsch catalyst systems |
| 38 | Coal-to-Liquids | Coal gasification equipment |
| 39 | Enhanced Oil Recovery | Injection pumps and chemical systems |
| 40 | Refinery Optimization | Aspen HYSYS |
| 41 | Catalyst Fundamentals | Catalyst characterization instruments |
| 42 | Zeolite Science | Zeolyst zeolite materials |
| 43 | ZSM-5 Catalysts | ZSM-5 catalyst powder |
| 44 | USY Zeolites | FCC zeolite catalyst |
| 45 | Zeolite 3A | Molecular sieve beads |
| 46 | Zeolite 4A | Detergent-grade zeolite |
| 47 | Zeolite 5A | Gas-separation molecular sieves |
| 48 | Zeolite 13X | CO₂ adsorption molecular sieves |
| 49 | NiMo/Al₂O₃ | Hydroprocessing catalyst |
| 50 | CoMo/Al₂O₃ | Hydrodesulfurization catalyst |
| 51 | Platinum Catalysts | Pt/Al₂O₃ catalyst |
| 52 | Palladium Catalysts | Palladium hydrogenation catalyst |
| 53 | FCC Additives | ZSM-5 octane and propylene additives |
| 54 | Catalyst Supports | Activated alumina |
| 55 | Mesoporous Materials | MCM-41 research material |
| 56 | Catalyst Deactivation | Catalyst activity testing systems |
| 57 | Catalyst Regeneration | Industrial catalyst regeneration systems |
| 58 | Catalyst Characterization | XRD and BET analyzers |
| 59 | Catalyst Kinetics | Laboratory fixed-bed reactors |
| 60 | Catalyst Lifecycle | Spent catalyst recycling services |
| 61 | Octane Boosters | Commercial gasoline octane additives |
| 62 | Cetane Improvers | 2-ethylhexyl nitrate-based diesel additives |
| 63 | Injector Cleaners | Liqui Moly fuel-system cleaners |
| 64 | Fuel Detergents | Fuel detergent concentrates |
| 65 | Antioxidant Additives | Fuel antioxidant packages |
| 66 | Corrosion Inhibitors | Fuel-system corrosion inhibitor concentrates |
| 67 | Cold-Flow Improvers | Diesel anti-gel additives |
| 68 | Lubricity Additives | Diesel lubricity improvers |
| 69 | Antifoaming Agents | Silicone-based industrial defoamers |
| 70 | Demulsifiers | Oilfield water-separation chemicals |
| 71 | Fuel Stabilizers | Gasoline storage stabilizers |
| 72 | Metal Deactivators | Fuel metal-deactivator concentrates |
| 73 | Oxygenated Fuels | Ethanol fuel blends |
| 74 | Biodiesel Additives | Biodiesel antioxidants |
| 75 | Renewable Diesel | HVO renewable diesel |
| 76 | Sustainable Aviation Fuels | SAF blendstocks |
| 77 | Marine Fuels | Marine gas oil |
| 78 | Hydrogen-Enriched Fuels | Hydrogen blending equipment |
| 79 | Fuel Testing | ASTM fuel test instruments |
| 80 | Additive Lifecycle Assessment | SimaPro software |
| 81 | Solar Resource Assessment | Solar irradiance sensors |
| 82 | Photovoltaic Fundamentals | Solar PV modules |
| 83 | Silicon Solar Cells | Monocrystalline silicon cells |
| 84 | Thin-Film Photovoltaics | CdTe solar modules |
| 85 | Perovskite Solar Cells | Perovskite research cells |
| 86 | Tandem Solar Cells | Silicon-perovskite tandem cells |
| 87 | Concentrated Photovoltaics | CPV modules |
| 88 | Solar Thermal Systems | Flat-plate solar collectors |
| 89 | Concentrated Solar Power | Solar tower receiver systems |
| 90 | Solar Tracking | Nextracker tracking systems |
| 91 | PV Reliability | Solar module testing equipment |
| 92 | Solar Soiling | Dust monitoring sensors |
| 93 | Solar Coatings | Anti-soiling glass coatings |
| 94 | Building-Integrated PV | Solar façade panels |
| 95 | Floating Solar | Floating PV platforms |
| 96 | Solar Desalination | Solar-powered RO systems |
| 97 | Solar Cooling | Solar absorption chillers |
| 98 | Solar Forecasting | Solar forecasting software |
| 99 | PV System Design | PVsyst |
| 100 | Solar Plant Optimization | SCADA monitoring systems |
### Topics 101–200: Wind, batteries, hydrogen, nuclear and bioenergy
| No. | Topic | Market product example |
| --- | ---------------------------- | -------------------------------------- |
| 101 | Wind Resource Assessment | Wind lidar systems |
| 102 | Wind Turbine Aerodynamics | Wind tunnel testing systems |
| 103 | Wind Turbine Blades | Composite turbine blades |
| 104 | Offshore Wind | Offshore wind turbines |
| 105 | Floating Wind | Floating turbine platforms |
| 106 | Wind Farm Layout | WindPRO software |
| 107 | Wind Forecasting | Wind forecasting platforms |
| 108 | Turbine Control | Wind turbine pitch controllers |
| 109 | Wind Maintenance | Vibration monitoring sensors |
| 110 | Small Wind | Small wind turbines |
| 111 | Hydroelectric Power | Francis turbines |
| 112 | Pumped Hydro | Reversible pump-turbines |
| 113 | Micro-Hydropower | Micro-hydro generators |
| 114 | Tidal Energy | Tidal-stream turbines |
| 115 | Wave Energy | Wave energy converters |
| 116 | Ocean Thermal Energy | OTEC heat exchangers |
| 117 | Marine Energy Materials | Marine-grade protective coatings |
| 118 | Wind-Solar Hybrids | Hybrid power controllers |
| 119 | Renewable Forecasting | Forecasting software |
| 120 | Plant Reliability | Condition-monitoring systems |
| 121 | Electrochemistry | Potentiostats |
| 122 | Lithium-Ion Batteries | CATL battery cells |
| 123 | LFP Batteries | BYD Battery-Box |
| 124 | Nickel-Rich Batteries | NMC battery cells |
| 125 | Sodium-Ion Batteries | Sodium-ion battery packs |
| 126 | Solid-State Batteries | Solid-state research cells |
| 127 | Lithium-Sulfur Batteries | Lithium-sulfur research cells |
| 128 | Metal-Air Batteries | Zinc-air batteries |
| 129 | Redox-Flow Batteries | Vanadium flow-battery systems |
| 130 | Battery Electrodes | Battery electrode sheets |
| 131 | Battery Electrolytes | Battery-grade electrolyte |
| 132 | Battery Degradation | Battery cyclers |
| 133 | Battery Management | BMS controllers |
| 134 | Battery Thermal Management | Liquid cooling plates |
| 135 | Battery Safety | Battery abuse-testing chambers |
| 136 | Battery Recycling | Battery shredding and recovery systems |
| 137 | Second-Life Batteries | Repurposed battery storage |
| 138 | Grid Batteries | Tesla Megapack |
| 139 | Battery Manufacturing | Electrode coating machines |
| 140 | Battery Economics | Battery cost modelling software |
| 141 | Hydrogen Fundamentals | Hydrogen gas analyzers |
| 142 | Green Hydrogen | Electrolyzer systems |
| 143 | Blue Hydrogen | Hydrogen plants with carbon capture |
| 144 | Grey Hydrogen | Steam methane reformers |
| 145 | Water Electrolysis | PEM electrolyzers |
| 146 | Electrolyzer Catalysts | Iridium oxide catalysts |
| 147 | Hydrogen Compression | Hydrogen compressors |
| 148 | Hydrogen Liquefaction | Cryogenic hydrogen equipment |
| 149 | Hydrogen Storage | High-pressure hydrogen cylinders |
| 150 | Underground Hydrogen | Geological storage monitoring |
| 151 | Hydrogen Pipelines | Hydrogen-compatible pipeline materials |
| 152 | Hydrogen Leak Detection | Hydrogen gas detectors |
| 153 | PEM Fuel Cells | Ballard fuel-cell stacks |
| 154 | Solid-Oxide Fuel Cells | Bloom Energy systems |
| 155 | Fuel-Cell Catalysts | Platinum catalyst layers |
| 156 | Fuel-Cell Thermal Management | Coolant and heat-rejection systems |
| 157 | Ammonia Energy | Industrial ammonia cracking units |
| 158 | Hydrogen-to-Power | Hydrogen fuel-cell generators |
| 159 | Refuelling Infrastructure | Hydrogen dispensers |
| 160 | Hydrogen Economics | Hydrogen cost modelling software |
| 161 | Nuclear Physics | Radiation detectors |
| 162 | Nuclear Fission | Nuclear reactor fuel assemblies |
| 163 | Reactor Design | Reactor simulation software |
| 164 | Reactor Thermal Hydraulics | Thermal-hydraulic test loops |
| 165 | Nuclear Fuel Cycles | Nuclear fuel fabrication equipment |
| 166 | Nuclear Safety | Reactor protection systems |
| 167 | Small Modular Reactors | SMR design systems |
| 168 | Advanced Reactors | Advanced reactor engineering systems |
| 169 | Nuclear Materials | Radiation-resistant alloys |
| 170 | Radioactive Waste | Waste conditioning systems |
| 171 | Nuclear Decommissioning | Remote handling robots |
| 172 | Nuclear Desalination | Desalination heat exchangers |
| 173 | Fusion Fundamentals | Plasma diagnostic equipment |
| 174 | Magnetic Confinement | Superconducting magnets |
| 175 | Inertial Confinement | High-power laser systems |
| 176 | Fusion Diagnostics | Plasma spectroscopy systems |
| 177 | Fusion Materials | Tungsten plasma-facing materials |
| 178 | Fusion Fuel Cycles | Tritium handling systems |
| 179 | Fusion Energy Conversion | High-temperature heat exchangers |
| 180 | Nuclear Economics | Power project cost models |
| 181 | Biomass Energy | Biomass boilers |
| 182 | Biomass Gasification | Biomass gasifiers |
| 183 | Biomass Pyrolysis | Pyrolysis reactors |
| 184 | Hydrothermal Conversion | Hydrothermal processing reactors |
| 185 | Anaerobic Digestion | Biogas digesters |
| 186 | Biogas Upgrading | Biogas membrane systems |
| 187 | Bioethanol | Ethanol fermentation equipment |
| 188 | Biodiesel | Biodiesel processing plants |
| 189 | Advanced Biofuels | Biomass-to-fuel systems |
| 190 | Algal Biofuels | Algae cultivation photobioreactors |
| 191 | Renewable Diesel | Hydroprocessing equipment |
| 192 | Sustainable Aviation Fuel | SAF production systems |
| 193 | Plastic Pyrolysis | Plastic pyrolysis units |
| 194 | Waste-to-Energy | Waste incineration systems |
| 195 | Refuse-Derived Fuel | RDF processing lines |
| 196 | Landfill Gas | Landfill gas generators |
| 197 | Carbonization | Biomass carbonizers |
| 198 | Biochar | Biochar production equipment |
| 199 | Circular Energy | Industrial waste-heat recovery systems |
| 200 | Bioenergy Sustainability | Lifecycle assessment software |
### Topics 201–300: Carbon capture, grids, engines and advanced materials
| No. | Topic | Market product example |
| --- | ---------------------------- | ------------------------------------ |
| 201 | Carbon Capture | Industrial CO₂ capture systems |
| 202 | Post-Combustion Capture | Amine absorption units |
| 203 | Pre-Combustion Capture | Syngas separation equipment |
| 204 | Oxy-Fuel Combustion | Oxygen supply systems |
| 205 | Amine Absorption | MEA capture solvents |
| 206 | Solid CO₂ Sorbents | Solid adsorbent pellets |
| 207 | Zeolite Carbon Capture | Zeolite adsorbents |
| 208 | Membrane Separation | Gas separation membranes |
| 209 | Direct Air Capture | Direct air capture units |
| 210 | Carbon Mineralization | Mineral carbonation reactors |
| 211 | Geological Storage | CO₂ injection equipment |
| 212 | CO₂ Transport | CO₂ pipeline systems |
| 213 | Storage Monitoring | Subsurface monitoring instruments |
| 214 | Carbon Utilization | CO₂ conversion reactors |
| 215 | CO₂-to-Methanol | Methanol synthesis catalysts |
| 216 | CO₂-to-Fuels | E-fuel synthesis equipment |
| 217 | Enhanced Weathering | Mineral spreading equipment |
| 218 | Capture Economics | Process cost modelling software |
| 219 | Carbon Accounting | SimaPro |
| 220 | Carbon Verification | Emissions monitoring systems |
| 221 | Power Generation | Industrial generators |
| 222 | Power System Analysis | DIgSILENT PowerFactory |
| 223 | Transmission | High-voltage transmission equipment |
| 224 | Distribution | Distribution transformers |
| 225 | Smart Grids | Smart grid control systems |
| 226 | Microgrids | Microgrid controllers |
| 227 | Renewable Integration | Grid inverters |
| 228 | Power Electronics | IGBT power modules |
| 229 | HVDC | HVDC converter stations |
| 230 | Grid Storage | Grid battery systems |
| 231 | Demand Response | Smart building controllers |
| 232 | Load Forecasting | Grid forecasting software |
| 233 | Frequency Control | Grid-forming inverters |
| 234 | Reactive Power | STATCOM systems |
| 235 | Superconducting Power | Superconducting cables |
| 236 | Electricity Markets | Energy trading platforms |
| 237 | Grid Cybersecurity | Industrial security software |
| 238 | Power Quality | Power quality analyzers |
| 239 | Grid Resilience | Backup power systems |
| 240 | System Optimization | Energy optimization software |
| 241 | Combustion Engines | Cummins engines |
| 242 | Spark-Ignition Engines | Gasoline engines |
| 243 | Compression-Ignition Engines | Diesel engines |
| 244 | Turbocharging | Garrett turbochargers |
| 245 | Engine Friction | Engine lubricants |
| 246 | Engine Cooling | Radiators and coolant pumps |
| 247 | Exhaust Treatment | Diesel particulate filters |
| 248 | Waste-Heat Recovery | Exhaust heat exchangers |
| 249 | Combined Heat and Power | CHP generator sets |
| 250 | Industrial Boilers | Industrial steam boilers |
| 251 | Heat Pumps | Industrial heat pumps |
| 252 | Refrigeration | Industrial chillers |
| 253 | Process Integration | Heat exchanger networks |
| 254 | Pinch Analysis | Process integration software |
| 255 | Industrial Electrification | Electric process heaters |
| 256 | Variable-Speed Drives | ABB variable-frequency drives |
| 257 | Building Energy | Building management systems |
| 258 | Energy Auditing | Portable energy audit meters |
| 259 | Energy Management | ISO 50001 monitoring software |
| 260 | Industrial Decarbonization | Industrial electrification systems |
| 261 | Energy Nanomaterials | Nanomaterial research supplies |
| 262 | Graphene Energy | Graphene electrode materials |
| 263 | Carbon Nanotubes | Conductive nanotube additives |
| 264 | Metal-Organic Frameworks | MOF adsorbents |
| 265 | Advanced Adsorbents | Activated carbon |
| 266 | Photocatalysis | Titanium dioxide photocatalysts |
| 267 | Electrocatalysis | Electrochemical catalyst electrodes |
| 268 | Water-Splitting Materials | Electrolyzer electrode materials |
| 269 | Thermoelectrics | Thermoelectric generator modules |
| 270 | Phase-Change Materials | Thermal storage materials |
| 271 | High-Temperature Materials | Nickel-based superalloys |
| 272 | Corrosion Science | Corrosion test instruments |
| 273 | Membrane Materials | Polymer separation membranes |
| 274 | Ionic Conductors | Solid electrolyte materials |
| 275 | Supercapacitors | Maxwell ultracapacitors |
| 276 | Dielectric Storage | High-voltage capacitors |
| 277 | Magnetic Materials | Permanent magnets |
| 278 | Self-Healing Materials | Self-healing polymer coatings |
| 279 | Materials Characterization | SEM and XRD instruments |
| 280 | Computational Materials | Materials Studio software |
| 281 | AI Forecasting | Energy forecasting platforms |
| 282 | AI Catalyst Discovery | Computational catalyst screening |
| 283 | AI Renewables | Renewable forecasting software |
| 284 | Digital Twins | Siemens digital twin tools |
| 285 | Predictive Maintenance | Industrial vibration analytics |
| 286 | CFD | ANSYS Fluent |
| 287 | Process Simulation | Aspen Plus |
| 288 | Optimization Algorithms | MATLAB Optimization Toolbox |
| 289 | Energy IoT | Smart energy sensors |
| 290 | Energy Data Science | Python-based analytics platforms |
| 291 | Energy Economics | Financial modelling software |
| 292 | Energy Security | Energy monitoring systems |
| 293 | Energy Policy | Energy planning software |
| 294 | Energy Justice | Energy access assessment tools |
| 295 | Lifecycle Assessment | SimaPro |
| 296 | Climate and Energy | Climate modelling software |
| 297 | Energy Geopolitics | Energy market intelligence platforms |
| 298 | Space Solar Power | Space solar array technology |
| 299 | Spacecraft Energy | Space-rated batteries |
| 300 | Planetary Habitat Energy | Microgrid and life-support equipment |
### Topics 301–400: Advanced cycles, storage and catalyst research
| No. | Topic | Market product example |
| --- | ----------------------------- | --------------------------------------- |
| 301 | Advanced Thermodynamic Cycles | Cycle simulation software |
| 302 | Organic Rankine Cycles | ORC power units |
| 303 | Supercritical CO₂ Cycles | High-pressure turbomachinery |
| 304 | Brayton Cycles | Gas turbine systems |
| 305 | Rankine Cycles | Steam turbine systems |
| 306 | Stirling Engines | Stirling engine generators |
| 307 | Ericsson Engines | Regenerative heat engine prototypes |
| 308 | Thermoacoustic Engines | Thermoacoustic research systems |
| 309 | Magnetocaloric Conversion | Magnetocaloric materials |
| 310 | Pyroelectric Harvesting | Pyroelectric generator materials |
| 311 | Piezoelectric Harvesting | Piezoelectric transducers |
| 312 | Triboelectric Harvesting | Triboelectric nanogenerators |
| 313 | Electromagnetic Harvesting | Electromagnetic generator modules |
| 314 | Vibration Harvesting | Vibration energy harvesters |
| 315 | Waste-Heat Thermoelectrics | Thermoelectric modules |
| 316 | Thermal Storage | Thermal energy storage tanks |
| 317 | Sensible Heat Storage | Water and rock storage systems |
| 318 | Latent Heat Storage | Phase-change storage modules |
| 319 | Thermochemical Storage | Reversible chemical storage materials |
| 320 | Molten-Salt Storage | Molten-salt tanks |
| 321 | Underground Thermal Storage | Borehole storage systems |
| 322 | Aquifer Thermal Storage | Groundwater thermal storage systems |
| 323 | Borehole Thermal Storage | Borehole heat exchangers |
| 324 | Cryogenic Storage | Cryogenic storage tanks |
| 325 | Liquid-Air Storage | Liquid-air energy storage plants |
| 326 | Compressed-Air Storage | Industrial air compressors |
| 327 | Flywheel Storage | Flywheel energy systems |
| 328 | Gravity Storage | Gravity-based storage equipment |
| 329 | Magnetic Storage | Superconducting magnetic energy systems |
| 330 | Seasonal Hydrogen Storage | Hydrogen storage tanks |
| 331 | Pumped Thermal Storage | Thermal battery systems |
| 332 | Hybrid Storage | Battery-supercapacitor systems |
| 333 | Long-Duration Storage | Flow battery systems |
| 334 | Storage Materials | Battery-grade materials |
| 335 | Storage Optimization | Energy management software |
| 336 | Thermal Batteries | Industrial thermal batteries |
| 337 | Battery Pack Design | Battery pack assemblies |
| 338 | Battery Cell Modelling | Battery modelling software |
| 339 | Electrochemical Impedance | Impedance analyzers |
| 340 | Fast Charging | DC fast chargers |
| 341 | Wireless Charging | Inductive charging systems |
| 342 | Battery Swapping | Battery swapping stations |
| 343 | Recycling Economics | Recycling process software |
| 344 | Battery Supply Chains | Supply chain management software |
| 345 | Critical Minerals | Mineral analysis instruments |
| 346 | Lithium Extraction | Direct lithium extraction equipment |
| 347 | Cobalt Recovery | Hydrometallurgical recovery systems |
| 348 | Nickel Recovery | Metal recovery equipment |
| 349 | Graphite Recycling | Graphite purification equipment |
| 350 | Sodium Battery Materials | Sodium battery electrodes |
| 351 | Potassium-Ion Batteries | Potassium-ion research cells |
| 352 | Magnesium-Ion Batteries | Magnesium-ion research cells |
| 353 | Calcium-Ion Batteries | Calcium-ion research cells |
| 354 | Zinc-Ion Batteries | Zinc-ion battery cells |
| 355 | Aluminium-Ion Batteries | Aluminium-ion research cells |
| 356 | Iron-Air Batteries | Iron-air battery systems |
| 357 | Zinc-Air Batteries | Zinc-air battery cells |
| 358 | Aluminium-Air Batteries | Aluminium-air power systems |
| 359 | Silicon Anodes | Silicon-carbon anode powders |
| 360 | Lithium-Metal Anodes | Lithium-metal battery materials |
| 361 | Sulfur Cathodes | Sulfur cathode composites |
| 362 | High-Voltage Cathodes | High-voltage cathode materials |
| 363 | Solid Electrolyte Interfaces | Electrolyte additives |
| 364 | Dendrite Suppression | Protective battery coatings |
| 365 | Electrode Manufacturing | Electrode coating machines |
| 366 | Dry Electrode Coating | Dry coating equipment |
| 367 | Electrolyte Additives | Battery electrolyte additives |
| 368 | Battery Fire Suppression | Battery fire suppression systems |
| 369 | Hydrometallurgical Recycling | Leaching and recovery equipment |
| 370 | Pyrometallurgical Recycling | Industrial smelting furnaces |
| 371 | Direct Battery Recycling | Electrode recovery equipment |
| 372 | Second-Life Economics | Battery diagnostic platforms |
| 373 | Battery Lifecycle | Lifecycle modelling software |
| 374 | Battery Carbon Footprints | Carbon accounting software |
| 375 | Battery Certification | Battery safety testing equipment |
| 376 | Electrochemical Capacitors | Electrochemical capacitor cells |
| 377 | Hybrid Supercapacitors | Hybrid capacitor modules |
| 378 | Graphene Supercapacitors | Graphene electrode materials |
| 379 | Pseudocapacitive Materials | Metal oxide electrodes |
| 380 | Capacitor Dielectrics | Dielectric films |
| 381 | Hydrogen Evolution Catalysts | Platinum and non-PGM catalysts |
| 382 | Oxygen Evolution Catalysts | Iridium oxide catalysts |
| 383 | Oxygen Reduction Catalysts | Fuel-cell cathode catalysts |
| 384 | Hydrogen Oxidation Catalysts | Fuel-cell anode catalysts |
| 385 | Non-Precious Catalysts | Nickel-based catalysts |
| 386 | Single-Atom Catalysts | Single-atom catalyst materials |
| 387 | Bimetallic Catalysts | Nickel-cobalt catalysts |
| 388 | Alloy Catalysts | Platinum-nickel catalysts |
| 389 | Perovskite Catalysts | Perovskite oxide powders |
| 390 | Carbide Catalysts | Tungsten carbide catalysts |
| 391 | Nitride Catalysts | Metal nitride powders |
| 392 | Phosphide Catalysts | Nickel phosphide catalysts |
| 393 | Sulfide Catalysts | Transition-metal sulfide catalysts |
| 394 | Catalyst Surface Chemistry | Surface analysis instruments |
| 395 | Catalyst Support Interactions | Supported catalyst materials |
| 396 | Catalyst Selectivity | Laboratory catalyst reactors |
| 397 | Catalyst Poisoning | Catalyst contamination test systems |
| 398 | Catalyst Sintering | High-temperature furnaces |
| 399 | Catalyst Lifetime | Catalyst testing systems |
| 400 | Catalyst Scale-Up | Pilot-scale reactors |
### Topics 401–500: Refining, fuels and combustion
| No. | Topic | Market product example |
| --- | ----------------------------- | ----------------------------------- |
| 401 | Fischer-Tropsch Catalysis | Cobalt-based synthesis catalysts |
| 402 | Methanol Synthesis | Copper-zinc catalyst systems |
| 403 | Ammonia Synthesis | Iron-based synthesis catalysts |
| 404 | Ammonia Cracking | Ammonia decomposition catalysts |
| 405 | Methane Reforming | Nickel reforming catalysts |
| 406 | Steam Reforming | Steam reformer systems |
| 407 | Autothermal Reforming | ATR reactor systems |
| 408 | Partial Oxidation | Industrial oxidation reactors |
| 409 | Water-Gas Shift | Shift conversion catalysts |
| 410 | Reverse Water-Gas Shift | CO₂ conversion catalysts |
| 411 | Methanation | Nickel methanation catalysts |
| 412 | Dry Methane Reforming | Reforming catalyst systems |
| 413 | Biomass Reforming | Biomass reforming reactors |
| 414 | Tar Reforming | Tar reforming catalysts |
| 415 | Catalytic Pyrolysis | Catalytic pyrolysis units |
| 416 | Catalytic Gasification | Gasification catalyst systems |
| 417 | Hydrodeoxygenation | Hydrotreating catalysts |
| 418 | Hydroisomerization | Isomerization catalysts |
| 419 | Hydrodewaxing | Dewaxing catalyst systems |
| 420 | Hydrodemetallization | Demetallization catalysts |
| 421 | Residue Upgrading | Residue conversion units |
| 422 | Heavy Oil Catalysis | Heavy-oil upgrading catalysts |
| 423 | Bitumen Processing | Bitumen processing equipment |
| 424 | Petroleum Coke | Coke gasification systems |
| 425 | Sulfur Recovery | Sulfur recovery units |
| 426 | Claus Process | Claus catalyst beds |
| 427 | Tail-Gas Treatment | Tail-gas treatment catalysts |
| 428 | Refinery Hydrogen Networks | Hydrogen purification systems |
| 429 | Refinery Energy Integration | Heat exchanger networks |
| 430 | Refinery Emissions | Flue gas monitoring systems |
| 431 | Crude Desalting | Electrostatic desalters |
| 432 | Crude Dehydration | Oil dehydration units |
| 433 | Crude Blending | Automated blending systems |
| 434 | Product Blending | Inline blending skids |
| 435 | Gasoline Quality | Octane analysers |
| 436 | Diesel Quality | Diesel quality analysers |
| 437 | Jet Fuel Quality | Jet fuel testing equipment |
| 438 | Lubricant Formulation | Lubricant blending systems |
| 439 | Base Oil Production | Base oil processing units |
| 440 | Lubricant Oxidation | Oxidation stability testers |
| 441 | Lubricant Additives | Additive packages |
| 442 | Engine Tribology | Tribometers |
| 443 | Grease Formulation | Grease mixing equipment |
| 444 | Gear Oils | Industrial gear lubricants |
| 445 | Hydraulic Fluids | Hydraulic oil products |
| 446 | Compressor Lubricants | Compressor oils |
| 447 | Turbine Lubricants | Turbine oils |
| 448 | Biodegradable Lubricants | Biodegradable hydraulic oils |
| 449 | Synthetic Lubricants | PAO synthetic base oils |
| 450 | Lubricant Recycling | Used-oil re-refining systems |
| 451 | Fuel Oxidation | Oxidation stability testers |
| 452 | Fuel Thermal Stability | Fuel thermal stability analysers |
| 453 | Fuel Deposits | Injector deposit test equipment |
| 454 | Gasoline Detergency | Gasoline detergent packages |
| 455 | Diesel Detergency | Diesel detergent packages |
| 456 | Fuel Compatibility | Fuel compatibility test kits |
| 457 | Fuel Water Contamination | Water-in-fuel sensors |
| 458 | Fuel Microbial Contamination | Fuel biocide products |
| 459 | Fuel Storage Stability | Fuel storage additives |
| 460 | Pipeline Integrity | Pipeline inspection tools |
| 461 | Fuel Transport Emissions | Emissions measurement systems |
| 462 | Fuel Quality Sensors | Inline fuel sensors |
| 463 | Fuel Spectroscopy | FTIR spectrometers |
| 464 | Fuel Chromatography | Gas chromatographs |
| 465 | Fuel Standards | Certified reference materials |
| 466 | Alternative Gasoline | Gasoline blendstocks |
| 467 | Renewable Gasoline | Renewable hydrocarbon blendstocks |
| 468 | Synthetic Kerosene | Synthetic aviation fuel |
| 469 | E-Fuels | Power-to-liquid fuel systems |
| 470 | Methanol Fuels | Industrial methanol fuel systems |
| 471 | Ethanol Blends | E10 and E85 fuel blends |
| 472 | Butanol Fuels | Butanol blendstocks |
| 473 | Dimethyl Ether | DME fuel systems |
| 474 | Ammonia Combustion | Ammonia combustion test rigs |
| 475 | Hydrogen Combustion | Hydrogen-capable burners |
| 476 | Dual-Fuel Engines | Dual-fuel generator engines |
| 477 | Low-Temperature Combustion | Combustion research engines |
| 478 | HCCI Engines | HCCI research engine systems |
| 479 | RCCI Engines | RCCI research systems |
| 480 | Combustion Modelling | CONVERGE CFD |
| 481 | Engine Knock | Knock detection sensors |
| 482 | Ignition Delay | Ignition delay analysers |
| 483 | Flame Speed | Laminar flame speed apparatus |
| 484 | Combustion Instability | Pressure transducers |
| 485 | Lean-Burn Combustion | Lean-burn gas engines |
| 486 | Low-Emission Combustion | Low-NOx burners |
| 487 | Combustion Diagnostics | Flame imaging systems |
| 488 | Laser Diagnostics | Laser spectroscopy systems |
| 489 | Flame Chemistry | Gas analysers |
| 490 | Soot Formation | Particulate measurement instruments |
| 491 | Particulate Emissions | Particle counters |
| 492 | NOx Reduction | SCR systems |
| 493 | SOx Reduction | Flue gas desulfurization systems |
| 494 | CO Oxidation | Oxidation catalysts |
| 495 | Methane Slip | Methane oxidation catalysts |
| 496 | Selective Catalytic Reduction | SCR catalyst modules |
| 497 | Diesel Particulate Filters | DPF assemblies |
| 498 | Three-Way Catalysts | Three-way catalytic converters |
| 499 | Exhaust Gas Recirculation | EGR valves |
| 500 | Engine Lifecycle | Engine test benches |
### Topics 501–600: Geothermal, solar, wind and marine technologies
| No. | Topic | Market product example |
| --- | --------------------------- | ------------------------------------ |
| 501 | Geothermal Resources | Geothermal survey instruments |
| 502 | Geothermal Reservoirs | Reservoir modelling software |
| 503 | Geothermal Drilling | Geothermal drilling rigs |
| 504 | Enhanced Geothermal Systems | Geothermal stimulation equipment |
| 505 | Closed-Loop Geothermal | Closed-loop geothermal systems |
| 506 | Geothermal Heat Pumps | Ground-source heat pumps |
| 507 | Geothermal Power Plants | Geothermal turbine generators |
| 508 | Geothermal Fluid Chemistry | Water chemistry analysers |
| 509 | Geothermal Scaling | Antiscalant chemicals |
| 510 | Geothermal Corrosion | Corrosion-resistant alloys |
| 511 | Geothermal Monitoring | Downhole sensors |
| 512 | Geothermal Reinjection | Reinjection pumps |
| 513 | Geothermal Heat Storage | Thermal storage tanks |
| 514 | Geothermal Desalination | Membrane desalination systems |
| 515 | District Heating | District heating substations |
| 516 | Geothermal Economics | Project finance software |
| 517 | Hot Dry Rock | Deep geothermal drilling systems |
| 518 | Superhot Rock | High-temperature well materials |
| 519 | Abandoned Well Geothermal | Well conversion equipment |
| 520 | Geothermal Lifecycle | Lifecycle assessment software |
| 521 | Solar Cell Physics | Solar cell testing systems |
| 522 | Semiconductor Bandgaps | Semiconductor characterization tools |
| 523 | Carrier Recombination | Photoluminescence analysers |
| 524 | Solar Passivation | Passivation coatings |
| 525 | Silicon Wafer Processing | Wafer cutting systems |
| 526 | Solar Metallization | Screen-printing equipment |
| 527 | Solar Cell Defects | Electroluminescence cameras |
| 528 | Perovskite Stability | Environmental test chambers |
| 529 | Perovskite Encapsulation | Barrier films |
| 530 | Tandem Interfaces | Thin-film deposition systems |
| 531 | Quantum Dot Solar Cells | Quantum dot materials |
| 532 | Organic Photovoltaics | Organic semiconductor inks |
| 533 | Dye-Sensitized Solar Cells | DSSC research kits |
| 534 | Indoor Photovoltaics | Indoor PV cells |
| 535 | UV Photovoltaics | UV-sensitive photodetectors |
| 536 | Infrared Photovoltaics | Infrared-sensitive cells |
| 537 | Bifacial Modules | Bifacial PV panels |
| 538 | Solar Recycling | PV module recycling equipment |
| 539 | Solar Inverters | Huawei SUN2000 inverters |
| 540 | MPPT | MPPT charge controllers |
| 541 | PV Fault Detection | Solar monitoring software |
| 542 | PV Degradation | Solar testing equipment |
| 543 | Solar Cleaning | Robotic PV cleaners |
| 544 | Dust Mitigation | Anti-soiling coatings |
| 545 | AI Solar Forecasting | Forecasting software |
| 546 | Solar Satellites | Satellite irradiance datasets |
| 547 | Solar Microgrids | Hybrid solar controllers |
| 548 | Solar Irrigation | Solar water pumps |
| 549 | Solar Hydrogen | Electrolyzers with PV systems |
| 550 | Solar Fuels | Photochemical reactor systems |
| 551 | Solar Collectors | Evacuated-tube collectors |
| 552 | Parabolic Troughs | Trough collector assemblies |
| 553 | Solar Towers | Heliostat fields |
| 554 | Dish-Stirling | Solar dish concentrators |
| 555 | Solar Receivers | High-temperature receiver tubes |
| 556 | Thermal Fluids | Heat-transfer oils |
| 557 | High-Temperature Solar Heat | Solar thermal process systems |
| 558 | Solar Thermal Storage | Molten-salt storage |
| 559 | Desalination Membranes | RO membrane elements |
| 560 | Water Purification | UV water treatment systems |
| 561 | Wind Blade Composites | Fiberglass composite materials |
| 562 | Blade Recycling | Composite recycling systems |
| 563 | Turbine Gearboxes | Wind gearbox assemblies |
| 564 | Direct-Drive Generators | Permanent-magnet generators |
| 565 | Wind Magnets | Rare-earth permanent magnets |
| 566 | Turbine Bearings | Industrial roller bearings |
| 567 | Turbine Fatigue | Structural monitoring sensors |
| 568 | Turbine Noise | Acoustic monitoring equipment |
| 569 | Turbine Icing | Ice detection systems |
| 570 | Wake Control | Wind farm optimization software |
| 571 | Offshore Foundations | Monopile foundations |
| 572 | Offshore Mooring | Mooring lines and anchors |
| 573 | Offshore Corrosion | Marine protective coatings |
| 574 | Floating Wind Dynamics | Floating platform control systems |
| 575 | Wind Digital Twins | Wind asset digital twin software |
| 576 | Wind Condition Monitoring | Vibration sensors |
| 577 | Wind Forecasting | Wind forecasting software |
| 578 | Wind Grid Stability | Grid support converters |
| 579 | Wind Economics | Wind project finance tools |
| 580 | Wind Lifecycle | Lifecycle assessment software |
| 581 | Hydropower Turbines | Kaplan turbines |
| 582 | Turbine Cavitation | Cavitation monitoring systems |
| 583 | Sediment Management | Sediment removal equipment |
| 584 | Reservoir Optimization | Reservoir modelling software |
| 585 | Hydropower Environment | Fish passage systems |
| 586 | Small Hydro Generators | Micro-hydro generator sets |
| 587 | Run-of-River Systems | Run-of-river turbine systems |
| 588 | Pumped Hydro Scheduling | Hydropower scheduling software |
| 589 | Tidal Turbines | Marine current turbines |
| 590 | Tidal Lagoons | Tidal barrage equipment |
| 591 | Wave Converters | Wave energy converter systems |
| 592 | Oscillating Water Columns | OWC turbine equipment |
| 593 | Point Absorbers | Point absorber buoys |
| 594 | Wave Farm Optimization | Marine energy simulation software |
| 595 | Marine Current Turbines | Subsea turbines |
| 596 | Ocean Energy Materials | Marine corrosion-resistant materials |
| 597 | Biofouling Control | Antifouling coatings |
| 598 | Ocean Forecasting | Marine forecast software |
| 599 | Ocean Energy Storage | Offshore battery systems |
| 600 | Marine Energy Economics | Project cost ...
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