From: Reflecting trends in the academic landscape of sustainable energy using probabilistic topic modeling
Topic no. | Slope rank | Superordinate theme | Topic interpretation | Top 20 topic terms ordered by decreasing probability for each topic |
---|---|---|---|---|
57 | 1 | Electrical energy storage | Materials for electrochemical energy storage via batteries or supercapacitors | electrode, battery, carbon, electrolyte, electrochemical, cycle, cell, cathode, energy_storage, low_cost, electrode_material, report, anode, discharge, lithium, exhibit, supercapacitor, material, redox, graphene |
13 | 2 | Fuel cells | Materials for catalysis in fuel cells | catalyst, activity, electrochemical, graphene, active, electrocatalyst, cobalt, efficient, surface, exhibit, highly, stability, report, electrode, platinum, fuel_cell, oxidation, active_site, superior, catalytic |
63 | 3 | Hydrogen production | Photosensitive materials and photocatalysis for water splitting | tio_two, photocatalyst, semiconductor, photocatalytic, tio, water_splitting, visible_light, photo, cds, exhibit, photocatalysis, degradation, electron, solar_energy, dye, light, photoanode, band, photocurrent, report |
154 | 4 | Nanotechnology | Synthesis of nanomaterials | scan, characterize, synthesis, nanoparticle, prepare, sample, characterization, technique, synthesize, zno, obtain, confirm, property, morphology, precursor, material, ion, x_ray_diffraction, observe, oxide |
109 | 12 | Nanotechnology | Properties of materials | material, structure, property, nanomaterial, molecule, bond, nano, functional, compound, shell, sulfur, molecular, formation, exhibit, surface, unique, excellent, electron, report, layer |
262 | 15 | Nanotechnology | Structure of nanomaterials | particle, polymer, nanoparticle, nanocomposite, preparation, fabrication, powder, size, prepare, porous, spray, synthesis, matrix, agent, formation, poly, highly, silica, simple, rgo |
242 | 5 | Chemical catalysis | Chemical catalysis for various types of reactions | reaction, catalyst, catalytic, methanol, oxidation, ligand, conversion, complex, compound, intermediate, selective, catalysis, acid, synthesis, yield, oxygen, chemical, highly, metal, molecular |
255 | 6 | Digital network communication | Wireless sensor networks and real-time data for energy applications | algorithm, node, power, network, wireless, transmission, protocol, energy_harvesting, user, communication, technique, sensor, sensor_node, spectrum, data, scheme, channel, battery, maximize, distribute |
111 | 7 | Mechanical energy harvesting | Triboelectric nanogenerator and piezoelectric effect for small scale applications | mechanical, power, teng, powered, harvest, device, motion, vibration, energy_harvesting, sensor, flexible, output, generate, electrical, circuit, electronics, power_source, magnetic, drive, piezoelectric |
125 | 8 | Sustainable building materials | Alternative blendings or replacement materials for cement | concrete, cement, brick, material, aggregate, strength, fly_ash, property, durability, mortar, compressive_strength, binder, block, sand, produce, lime, replacement, clay, replace, specimen |
253 | 9 | Biofuels | Biofuel from algal biomass | biodiesel, microalgae, algae, biodiesel_production, lipid, cultivation, algal, yield, produce, feedstock, culture, microalgal, transesterification, nutrient, biofuel, oil, fuel, potential, algal_biomass, content |
251 | 10 | Biofuels | Production of biomethanol by fermentation of biomass | fermentation, sugar, pretreatment, glucose, enzyme, yield, obtain, cellulose, hydrolysis, produce, lignin, substrate, lignocellulosic_biomass, g_l, pulp, carbohydrate, biomass, pretreated, ethanol, acid |
172 | 13 | Biofuels | Bio-based materials from lignocellulosic feedstocks | extraction, separation, solvent, extract, acid, lignin, recovery, cellulose, liquid, leach, water, yield, ionic_liquid, compound, chemical, surfactant, step, distillation, separate, recover |
74 | 14 | Biofuels | Biogas production from anaerobic digestion | bioga, anaerobic_digestion, produce, methane, manure, sludge, biogas, fertilizer, substrate, bioga_production, digestate, biomethane, organic_waste, food_waste, digester, bioga_plant, anaerobic, digestion, biogas_production, compost |
90 | 11 | Modeling and optimization | Optimization models and algorithms for power systems operation and markets | optimal, optimization, optimize, constraint, minimize, algorithm, objective, maximize, solution, scheduling, multi_objective, optimization_model, solve, minimization, formulate, objective_function, search, simultaneously, trade, genetic_algorithm |