OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Energy Research is 46. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-06-01 to 2026-06-01.)

Article	Citations
Integration of supercapacitor with solar cell based on NiO ₂ and CdS nanopill	281
A comparative study of deep learning neural network architectures and sensitivity analyses for the prediction of color changes in biochar	145
Elucidation of impressive photovoltaic performances upon the treatment of various aminosilanes over plasmonic photoelectrodes of dye‐sensitized solar cells	129
A novel thermal power unit with feedwater pump turbine driven by thermal energy storage system: System construction and performance evaluation	120
On‐line characterization of PEM's oxygen permeability for PEM fuel cell by embedded microelectrode method	119
Enhancing Environmental Sustainability: The Role of Resource Productivity, Low‐Carbon Energy, and Energy Productivity	118
Regenerative cooling capacity of hydrogenated carene under supercritical environment	110
Mixed metal chalcogenide shell with carbon interlayer wrapped 3D NiCo ₂ O ₄	100
Optimal Investment Strategy Analysis of On‐Site Hydrogen Production Based on the Hydrogen Demand Prediction Using Machine Learning	97
Data‐Driven Machine Learning Model for Battery Life Prediction Across Electrode Materials	90
Remarkable Conductivity and Durability of Anion Exchange Membrane With Poly(Fluorene‐Terphenyl Piperidinium) Incorporating Graphene Oxide	87
Cost Analysis and Optimization of Green Hydrogen Production via Concentrating Solar Technologies and PEM Electrolyzer	87
Designing a Revenue Forecast Scheme for Analog Ensemble Method Applied Solar PV Forecasting in South Korea	85
Infiltrated Nanofiber-Based Nanostructured Electrodes for Solid Oxide Fuel Cells	82
Multiobjective Optimization and Machine Learning Algorithms for Forecasting the 3E Performance of a Concentrated Photovoltaic-Thermoelectric System	81
Predictive Model for Solar Insolation Using the Deep Learning Technique	80
Peanut Oil Cake Biomass‐Derived Hierarchical Porous Carbon by Dual Step Activation as Potential Electrodes for Fabrication of Prototype Symmetric Supercapacitor Device	79
Prediction of Equivalence Ratio in Combustion Flame Using Chemiluminescence Emission and Deep Neural Network	79
Multifunctional Boehmite Grafting on Al ₂ O ₃ ‐Coated Polypropylene Separators for Fire‐Retardant	76
Charging Station Sizing and Placement for EV Docking Station in Smart Grid	74
A Review of Research on the Thermo‐Force Characteristics of Scramjet Engine Wall Based on Neural Networks	71
Investigation of Overburden Collapse Behavior and Optimization of Sectional Coal Pillar Widths in Deep‐Buried Fully‐Mechanized Top‐Coal Caving Mining Faces	69
Electrochemical Performance of Spongy Snowballs of O3-NaFeO2@SnO: Cathodes for Sodium Ion Batteries	67
CFD Analysis of a Latent Thermal Storage System (PCM) for Integration with an Air‐Water Heat Pump	64
Guest editorial for the special issue on: energy technology advancements	63

Anaerobic Digestion of Organic Waste for Bioenergy Production: Optimization, Performance, and Sustainability—A Review	63
Mechanical Strain‐Modulated Multifunctional Pr‐Doped BaTiO₃ Thin Film for Luminescence Sensing and Piezoelectric Energy‐Harvesting Applications	62
Spent Tea Leaves and Coffee Grounds as Potential Biocathode for Improved Microbial Electrosynthesis Performance	59
Thermocatalytic and solar thermochemical carbon dioxide utilization to solar fuels and chemicals: A review	58
Advancements in Model Parameter Estimation for Proton Exchange Membrane Fuel Cells via Enhanced Artificial Hummingbird Algorithm	56
Enhancing Heat Transfer of Photovoltaic Panels with Fins	55
Towards High Solar Contribution in Hybrid CSP-Combined Cycle Gas Turbine Plants	55
Development of Mixed Matrix Membranes by Using NH₂‐Functionalized UiO‐66 and [APTMS][AC] Ionic Liquid for the Separation of CO₂	53
Interfacial Charge Dynamics and Optical Constraints in Chlorophyll‐Functionalized TiO ₂ Nanotube Arrays	53
Insights Into Lithium‐Ion Battery Cell Temperature and State of Charge Using Dynamic Electrochemical Impedance Spectroscopy	52
Multicriteria Decision‐Making Evaluation of Blade Element Momentum Theory Algorithms for Optimal Design of Small‐Scale HAWT Blades	52
Improved kinetics of reduction of alkaline water on the g‐CN‐ supported transition metal oxide/boride hetero‐interface: A case study	50
The metaheuristic optimization of the mechanical properties of sustainable energies using artificial neural networks and genetic algorithm: A case study by eggshell fine waste	50
Wind Farm Layout Optimization Based on Dynamic Opposite Learning‐Enhanced Sparrow Search Algorithm	50
Early Impacts of COVID‐19 Pandemic on the Crude Oil Prices and Demand in Sub‐Saharan Africa: A Review	49
Coordinated operation strategy for hydrogen energy storage in the incremental distribution network	49
Estimation of fast pyrolysis bio‐oil properties from feedstock characteristics using rough‐set ‐based machine learning	49
Efficient Porous‐Medium Framework for Compact Heat Pipe Heat Exchanger	48
Multi‐Scale Geomechanical Modelling of Unconventional Shale Gas: The Implication on Assisting Geophysics–Geology–Engineering Integration	48
KOH mediated hydrothermally synthesized hexagonal‐CoMn₂O₄ for energy storage supercapacitor applications	47
Recent Research Trends on Zeolitic Imidazolate Framework-8 and Zeolitic Imidazolate Framework-67-Based Hybrid Nanocomposites for Supercapacitor Application	46
Efficient Electrocatalysts for Hydrogen Evolution Reaction Using Heteroatom-Doped MXene Nanosheet	46