OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 134. 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
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	1354
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	726
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	671
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	597
Editorial Board	554
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	493
Ab-initio CALPHAD modeling of NaNH2BH3 for solid-state H2 storage applications	484
Whole system impacts of decarbonising transport with hydrogen: A Swedish case study	473
Surface engineering of non-platinum-based electrocatalysts for sustainable hydrogen production: Encapsulation, doping, and decoration approach	460
Numerical simulation of the coupling mechanism between hydrogen coaxial jet diffusion combustion and heat transfer in water-cooled tube bundles	456
Integrated multi-generation system with three-stage RO: A comprehensive study of the exergy-cost-environment nexus	412
Molecular dynamic simulation of LiH–H2O reactions using the ReaxFF reactive force field	392
From shape to function: Constructing gourd-shaped bimetal/semiconductor hybrids for boosted photocatalytic hydrogen evolution	374
Development of a dual digital signal processor based cyber-physical system model for a multi-carrier energy system	370
Augmenting bi-functional catalytic efficiency in vanadium based pseudo-monolayer: Chemical paradigm of functionalization, vacancy and external stimuli	361
Fundamental properties of hydrogen at PdCu–Mo2C interfaces from first principles calculations	336
Investigation of the effect of colorless distributed combustion method on the flame of methane/hydrogen fuel mixture using image processing method	325
Optimizing annealing treatment of mesoporous MoO2 nanoparticles for enhancement of hydrogen evolution reaction	319
Recent advances in efficient piezo-photocatalysis modulated by morphology and structure control	319
Coupling the solvent-based CO2 capture processes to the metal water-splitting for hydrogen generation in a semi-continuous system	307
Characteristics of photothermal transfer and biochemical reaction in up-flow direct absorption hydrogen reactor with embedded ribs	297
Operation characteristics and performance analysis of integrated power and hybrid cooling systems driven by PEM fuel cell	295
A systematic framework of resilience assessment based on multi-state transition modeling under two-phase recovery for hydrogen refueling stations	269
Carbon-catalyzed oxygen-mediated dehydrogenation of formaldehyde in alkaline solution for efficient hydrogen production	265
High-value utilization of intermetallic Cu9Al4 as an additive to improve the hydrogen storage performance of magnesium	260

Interface channels accelerating ion transport through alkaline earth metal carbonate - Gd0.1Ce0.9O1.95 heterostructure	259
Rational designing of ternary CuSSe electrocatalyst for water splitting: Layered mastery of 2D nanostructures	257
A numerical investigation on the utilization of a depleted natural gas field for seasonal hydrogen storage: A case study for Değirmenköy gas field	255
Investigation into the explosion characteristics of hydrogen-ammonia mixture: Effect of ignition position	244
Comprehensive analysis of magnetized second-grade nanofluid via Fourier's and Cataneo-Christove models past a curved surface	241
Assessing the accuracy and replicability of water formation modeling in PEM fuel cells: A sensitivity analysis of key performance parameters using computational fluid dynamics	238
Self-generated oxygen radical species accelerate the alkaline oxygen-evolving reaction	234
A chemoresistive hydrogen gas sensor prepared by a sputtered indium tungsten oxide thin film and palladium nanoparticles	234
Editorial Board	233
Editorial Board	232
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	228
The drillstring dynamic time domains harmonic response and acceleration characteristics of compound drilling for the high-quality slim borehole	223
Editorial Board	222
Guest editorial for special issue EFC21	222
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	222
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	221
The fabrication of integrated proton exchange membrane fuel cells: Excellent mechanical strength and electrochemical performance	216
Study of the electrochemical properties of Fe3O4/C–Bi composites prepared by spray drying and their use in cylindrical sealed nickel iron batteries	213
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	211
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	211
PEG mediated tetragonal calcium molybdate nanostructures for electrochemical energy conversion applications	209
Recent research progress of catalysts for thermocatalytic ammonia decomposition	208
Hydrogen flow rate control in a liquid organic hydrogen carrier batch reactor for hydrogen storage	208
The weakening effect of the inhibition of CO2 on the explosion of HCNG with the increase of hydrogen: Experimental and chemical kinetic research	208
The oil bath thermal cycling absorption process design and separation process research	205
Options for net zero emissions hydrogen from Victorian lignite. Part 2: Ammonia production	197
Electrolysis of aqueous polymer solutions for low-cost hydrogen production: An experimental case study of polyethylene oxide (PEO) electrolysis	193
Green hydrogen production by electrocatalytic activity of intercalated layered nanomaterial in acidic solution	191
Performance assessment of anion exchange electrolyzer with PBI-BASED membrane through 0-D modeling	186
Investigation on combustion efficiency of the hydrogen–oxygen mixture at various pressures and excess oxidizer based on experimental and theoretical studies	183
The influence of thermal treatment on recirculating two phase anaerobic digestion system	182
Plasma-aided activation and hydrogen desorption of ZrVFe getter	181
Catalyst shape matters: Influence of catalyst shape on reactor performance in hydrogen release from perhydro benzyltoluene	181
Optimization of cold startup strategy with quasi 2-D model of metal hydride hydrogen storage with fuel cell	181
H2 production via H2S decomposition over activated carbon supported Fe- and W- catalysts	180
Nickel nanoparticle-decorated twinned crystal CdxZn1−xS for enhanced photocatalytic hydrogen production	179
Modulation of metal/support interactions improves catalytic performance of Ni–Pt/CeO2 for hydrogen generation from hydrazine monohydrate	178
Fast switching hydrogen gas leakage identification using FPGA	177
State of health prognosis for polymer electrolyte membrane fuel cell based on principal component analysis and Gaussian process regression	177
Stone-Wales defective C60 fullerene for hydrogen storage	176
Submarine in-situ electrolysis for hydrogen production: Performance analysis of a hydrostatic pressure energy utilization system	173
Analysis of H2 production with zero carbon emissions from an integrated multi-energy system	172
Effects of nanofluids on the photovoltaic thermal system for hydrogen production via electrolysis process	169
Metal-decorated boron phosphide (BP) biphenylene and graphenylene networks for ultrahigh hydrogen storage	168
Bismuth-based nanomaterials-assisted photocatalytic water splitting for sustainable hydrogen production	168
Integrating quazi-resonance bridgeless power factor correction converters with advanced seahorse optimized controller for improved induction motor drive performance	166
The effect of EGR and hydrogen addition to natural gas on performance and exhaust emissions in a diesel engine by AVL fire multi-domain simulation, GPR model, and multi-objective genetic algorithm	165
Multi-objective optimization of proton exchange membrane fuel cell performance based on a new leaf-shaped flow field	165
Fluorinated graphene quantum dots-induced defect passivation of perovskite film toward stable and efficient perovskite solar cell	165
NiCoP nanoparticles embedded in coal-based carbon nanofibers as self-supporting bifunctional electrocatalyst toward water splitting	164

Ni–Co–Cu composite supported by graphene oxide doped with nitrogen as an anode catalyst in a high-performance glucose electrooxidation	163
Integration and performance impact of biomass gasification-derived syngas on high-temperature PEM fuel cell	163
DFT analysis of the perovskite energetic materials DAP-5: Alteration of the physical properties by strain effect	163
Sustainable ammonia production from unused biomass: Green hydrogen generation and supply chain optimization in South Korea	163
Numerical simulation of hydrogen explosion characteristics and disaster effects of hydrogen fueling station	162
Lightweight method for injection rate prediction of supersonic gas flow from pintle-type hydrogen injector	162
Optimal planning and stochastic energy management of a smart microgrid for green transportation and ammonia production with demand response	162
Effects of preparation methods on the size and interface of Ni–W bimetallic catalysts for dry reforming of methane	162
The effect of titanium dioxide-supported CdSe photocatalysts enhanced for photocatalytic glucose electrooxidation under UV illumination	161
Catalytic steam reforming of methanol over highly active catalysts derived from PdZnAl-type hydrotalcite on mesoporous silica MCM-48	161
Cu3P nanoparticles grown on graphene as efficient electrocatalysts for hydrogen evolution reaction	160
Efficient overall water splitting electrode regulated by Pt nanodots modified NiCo-carbonate hydroxide nanowires on porous rGO matrix	160
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	159
Novel multigeneration system based on a flame-assisted fuel cell for use in residential applications	158
Fabrication of zirconium ditelluride/graphene oxide nanocomposite array for oxygen evolution and hydrogen evolution reactions	156
Optimization and exergoeconomic analyses of water-energy-carbon nexus in steel production: Integrating solar-biogas energy, wastewater treatment, and carbon capture	156
Enhancing power system reliability: Hydrogen fuel cell-integrated D-STATCOM for voltage sag mitigation	154
Evaluating the risk of pressure relief devices in hydrogen systems	154
Catalytic effects of FGO-Ni addition on the dehydrogenation properties of LiAlH4	154
Flame structure and NO production on laminar non-premixed flames of ammonia with highly preheated air	153
First principle investigation of the structural, elastic, optoelectronics, and thermodynamic properties of barium-based tetragonal complex perovskite hydrides X2BaH4 (X= Na, K, and Rb) for hydrogen st	152
Green catalyst for the fabrication of high-surface-area carbon aerogels for efficient hydrogen adsorption	152
Enhancement of fuel cell based energy sustainability for cell on wheels mobile base stations used in disaster areas	150
Effects of inclusions on the fatigue life of SNCM439 steel in high-pressure hydrogen gas	150
Advancing sustainable hydrogen: A critical review of heat-integrated ethanol steam reforming systems	149
Air inlet reconfiguration on a Jet fuel gas turbine combustor for operation with H2 bearing bioderived low calorific value and low air-fuel ratio gas – numerical investigation	149
Nanostructured thin film SrCo0.8Nb0.1Ta0.1O3-δ cathode for low-temperature solid oxide fuel cells	149
Comparative diesel engine performance and emission forecasting using extreme learning and quadratic regression techniques burning waste cooking biodiesel	149
Corrigendum to ‘Electrochemical energy storage and conversion applications of CoSn(OH)6 materials’ [Int J Hydrogen Energy 47 (2022) 41948–41955]	149
Confined ammonia borane nanocarriers: Tubular and fibrous structures based solid-state hydrogen storage composites	148
Thermodynamic and environmental analyses of a hydrogen-enriched natural gas oxy-fuel combustion power plant	148
Thermal and heat transfer dynamics in high pressure, high aspect ratio hydrogen tank filling processes	147
Hydrogen adsorption on heptazine-based g-C3N4/graphene nanocomposites decorated with first-row transition metals (Sc–Zn)	145
From waste to renewable energy: Exploring the co-gasification of cashew nutshells and plastic waste	145
Multi-objective optimization design of micro-mixed hydrogen combustor based on small sample agent model	145
A novel geothermal source integrated system to meet the building demands: Exergo-economic and optimization assessment	144
Low-temperature hydrogen release exceeding 7 wt% from LiBH4-mannitol composites	143
Effects of steam feeding on microwave heating of cellulose with magnetite used as susceptor	143
Carbon dioxide emissions and mitigation in China's hydrogen energy supply chain: Insights for sustainability and policy development	142
Characteristics of uranium hydride bed for fusion fuel cycle: Hydrogen and deuterium absorption	142
Geographic scale-based analysis of hydrogen production efficiency and mechanism in dark fermentation utilizing diverse inoculums	142
WITHDRAWN: Editorial hydrogen energy technology for future	142
Experimental study on thermoacoustic instability of partially premixed CH4/NH3 flame	141
Research on the effects of coal dust parameters on the venting characteristics of gas/dust two-phase explosions	141
Vo-CuO(In) with super-hydrophilicity exhibits efficient electrocatalytic activity in alkaline media: Synergistic effect of In doping and oxygen vacancies	141
Design and simulation of a scalable green hydrogen system powered by solar energy in the Ouargla region of Algeria	141
Ti-substituted organosilica membranes for H2 sieving: Sol-gel and DFT insights	140
Numerical study of combustion noise of a lean-premixed green H2-ethylene fuel: A machine learning optimization	140
Parametric study on geometric and material properties of polymer electrolyte membrane fuel cell with free vibration analysis	139
Waste to hydrogen: Investigation of different loads of diesel engine exhaust gas	139
Machine learning-aided optimal energy management of a Solar-to-X energy system based on hydrogen production/storage and CAES	137
The role of hydrogen in promoting differences in fatigue crack growth rates observed in Type 304/304L stainless steel at elevated temperature	136
Risk-neutral and risk-averse size optimization of a hydrogen-based hybrid energy system considering solar radiation uncertainty	136
Performance and emissions of natural gas/hydrogen blends in large-bore spark-ignition engines	136
A rare–earth modified NiO for enhanced hydrogen and oxygen evolution in alkaline water splitting	136
Green synthesis of CuCo2O4–CuO composite nanoparticles grown on nickel foam for high-performance oxygen evolution reaction	135
Composite based on nickel-functionalized carbon nitride and carbon nanotubes as an efficient electrocatalyst for the oxygen evolution reaction	135
Boosting n→π∗ electronic transition via reducing interlayer stacking distance in red Poly(heptazine imide) towards efficient photocatalytic H2 production	135
Crystalline-amorphous interface coupling in NiMgPO4·8H2O/a-FeNiMgPOx with an optimized d-band center as an efficient bifunctional electrocatalyst for alkaline overall water splitting	134
Enhanced hydrogen storage performance of zinc and magnesium cobaltite nanocomposites	134
Novel nuclear power and chemical energy hybrid propulsion system with fuel precooling: Scheme comparison and performance evaluation	134