OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 132. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	1336
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	711
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	653
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	587
Editorial Board	551
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	507
Ab-initio CALPHAD modeling of NaNH2BH3 for solid-state H2 storage applications	486
Integrating molecular simulations with multilayer perceptron neural networks to predict the CH4/H2 adsorption and separation of MTV-MOFs	454
Whole system impacts of decarbonising transport with hydrogen: A Swedish case study	449
Studies of the atomic rearrangement of carbon and silicon derived from Sargassum spp. and its effect on ORR activity	449
Analytical solution for fuel cell electric vehicle energy management including a long-term predefined velocity profile	442
Surface engineering of non-platinum-based electrocatalysts for sustainable hydrogen production: Encapsulation, doping, and decoration approach	402
Numerical simulation of the coupling mechanism between hydrogen coaxial jet diffusion combustion and heat transfer in water-cooled tube bundles	384
Modeling and analysis of a novel syngas production approach by combining photothermal synergy and high-temperature H2O/CO2 co-electrolysis through full spectrum solar energy	368
Multiple-phases LaFeO3 decorated with sea-urchin-like Au nanoparticles for photoelectrochemical hydrogen generation from bio-ethanol and 1-butanol	368
Integrated multi-generation system with three-stage RO: A comprehensive study of the exergy-cost-environment nexus	350
Molecular dynamic simulation of LiH–H2O reactions using the ReaxFF reactive force field	330
From shape to function: Constructing gourd-shaped bimetal/semiconductor hybrids for boosted photocatalytic hydrogen evolution	320
A review of plateau environmental adaptation for proton exchange membrane fuel cells	313
Development of a dual digital signal processor based cyber-physical system model for a multi-carrier energy system	312
Green hydrogen electrolyzer and hydrogen-methane CCGT power plant in NEOM City	311
Electronic modulation of multi-element transition metal phosphide by V-doping for high-efficiency and pH-universal hydrogen evolution reaction	290
Augmenting bi-functional catalytic efficiency in vanadium based pseudo-monolayer: Chemical paradigm of functionalization, vacancy and external stimuli	289
Levelized and environmental costs of power-to-gas generation in Germany	287
Fundamental properties of hydrogen at PdCu–Mo2C interfaces from first principles calculations	266

Investigation of the effect of colorless distributed combustion method on the flame of methane/hydrogen fuel mixture using image processing method	259
Optimizing annealing treatment of mesoporous MoO2 nanoparticles for enhancement of hydrogen evolution reaction	256
Recent advances in efficient piezo-photocatalysis modulated by morphology and structure control	254
Effect of the loading mode and temperature on hydrogen embrittlement behavior of 15Cr for steam turbine last stage blade steel	254
Thermodynamic approach for hydrogen production from the steam reforming reaction of aromatic hydrocarbons (BTX)	250
Coupling the solvent-based CO2 capture processes to the metal water-splitting for hydrogen generation in a semi-continuous system	236
Characteristics of photothermal transfer and biochemical reaction in up-flow direct absorption hydrogen reactor with embedded ribs	232
Operation characteristics and performance analysis of integrated power and hybrid cooling systems driven by PEM fuel cell	231
Effect of CuO–ZnO catalyst layer on proton-conducting electrochemical cell reactor for CO2 reduction reaction	230
A systematic framework of resilience assessment based on multi-state transition modeling under two-phase recovery for hydrogen refueling stations	230
Carbon-catalyzed oxygen-mediated dehydrogenation of formaldehyde in alkaline solution for efficient hydrogen production	228
Solid oxide fuel cell stack with enhanced performance and durability utilizing a porous Ag coating layer as the current collector	226
High-value utilization of intermetallic Cu9Al4 as an additive to improve the hydrogen storage performance of magnesium	221
Thermodynamic screening of candidate ceria and perovskite systems as potential oxygen carrier materials for chemical looping water gas shift	221
Interface channels accelerating ion transport through alkaline earth metal carbonate - Gd0.1Ce0.9O1.95 heterostructure	216
Rational designing of ternary CuSSe electrocatalyst for water splitting: Layered mastery of 2D nanostructures	212
A numerical investigation on the utilization of a depleted natural gas field for seasonal hydrogen storage: A case study for Değirmenköy gas field	210
Comprehensive analysis of magnetized second-grade nanofluid via Fourier's and Cataneo-Christove models past a curved surface	209
Investigation into the explosion characteristics of hydrogen-ammonia mixture: Effect of ignition position	209
Assessing the accuracy and replicability of water formation modeling in PEM fuel cells: A sensitivity analysis of key performance parameters using computational fluid dynamics	208
Self-generated oxygen radical species accelerate the alkaline oxygen-evolving reaction	207
A chemoresistive hydrogen gas sensor prepared by a sputtered indium tungsten oxide thin film and palladium nanoparticles	207
Editorial Board	204
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	201
Editorial Board	201
The drillstring dynamic time domains harmonic response and acceleration characteristics of compound drilling for the high-quality slim borehole	200
Guest editorial for special issue EFC21	199
Investigation of p-type spinel structure as photocathode thin films under neutral pH condition	191
Editorial Board	191
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	187
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	184
The fabrication of integrated proton exchange membrane fuel cells: Excellent mechanical strength and electrochemical performance	180
Study of the electrochemical properties of Fe3O4/C–Bi composites prepared by spray drying and their use in cylindrical sealed nickel iron batteries	179
Ti–Fe mixed oxides as photocatalysts in the generation of hydrogen under UV-light irradiation	178
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	177
Synthesis and characterization of cross-linked polymer with sulfonylimide group via UV-radical polymerization for PEMFC	177
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	176
PEG mediated tetragonal calcium molybdate nanostructures for electrochemical energy conversion applications	175
Recent research progress of catalysts for thermocatalytic ammonia decomposition	172
Branched Glucan from Leuconostoc Mesenteroides as the channel for ionic migration in the fabrication of protonic (H+) battery	170
The weakening effect of the inhibition of CO2 on the explosion of HCNG with the increase of hydrogen: Experimental and chemical kinetic research	170
Hydrogen flow rate control in a liquid organic hydrogen carrier batch reactor for hydrogen storage	169
The oil bath thermal cycling absorption process design and separation process research	167
Options for net zero emissions hydrogen from Victorian lignite. Part 2: Ammonia production	166
Electrolysis of aqueous polymer solutions for low-cost hydrogen production: An experimental case study of polyethylene oxide (PEO) electrolysis	165
Performance assessment of anion exchange electrolyzer with PBI-BASED membrane through 0-D modeling	163
Green hydrogen production by electrocatalytic activity of intercalated layered nanomaterial in acidic solution	163
Investigation on combustion efficiency of the hydrogen–oxygen mixture at various pressures and excess oxidizer based on experimental and theoretical studies	162
The influence of thermal treatment on recirculating two phase anaerobic digestion system	162
Optimization of cold startup strategy with quasi 2-D model of metal hydride hydrogen storage with fuel cell	161

Theoretical exploration of the mechanisms on the iron complexes catalyzed ammonia borane dehydrogenation and polyaminoborane formation	161
Catalyst shape matters: Influence of catalyst shape on reactor performance in hydrogen release from perhydro benzyltoluene	161
Plasma-aided activation and hydrogen desorption of ZrVFe getter	159
Synergistic catalytic effect of fluorine coordination in defects engineered nitrogen-doped 3D-Hierarchical Zn polymer-derived carbon as efficient bifunctional electrocatalysts	159
Nickel nanoparticle-decorated twinned crystal CdxZn1−xS for enhanced photocatalytic hydrogen production	158
H2 production via H2S decomposition over activated carbon supported Fe- and W- catalysts	158
Stone-Wales defective C60 fullerene for hydrogen storage	157
Modulation of metal/support interactions improves catalytic performance of Ni–Pt/CeO2 for hydrogen generation from hydrazine monohydrate	157
Fast switching hydrogen gas leakage identification using FPGA	157
Submarine in-situ electrolysis for hydrogen production: Performance analysis of a hydrostatic pressure energy utilization system	157
State of health prognosis for polymer electrolyte membrane fuel cell based on principal component analysis and Gaussian process regression	157
Techno-economic evaluation of renewable hydrogen generation strategies for the industrial sector	156
Analysis of H2 production with zero carbon emissions from an integrated multi-energy system	156
Remaining useful life prediction of fuel cells using a dual data-driven model with relative power loss rate-based health indicator under real-world traffic conditions	156
Effects of nanofluids on the photovoltaic thermal system for hydrogen production via electrolysis process	153
Economic analysis of different hydrogen production routes under a CO2 pricing mechanism – A levelized cost of hydrogen based study	152
Construction of a urea-assisted electrolytic energy-saving hydrogen production system using catalysts prepared by molybdate	151
Bismuth-based nanomaterials-assisted photocatalytic water splitting for sustainable hydrogen production	150
Optimization of hydrothermal parameters and multifunctional catalytic activity of NiFe-LDH electrocatalyst	150
Metal-decorated boron phosphide (BP) biphenylene and graphenylene networks for ultrahigh hydrogen storage	150
Integrating quazi-resonance bridgeless power factor correction converters with advanced seahorse optimized controller for improved induction motor drive performance	149
Multi-objective optimization of proton exchange membrane fuel cell performance based on a new leaf-shaped flow field	148
A high specific surface area and amorphous cobalt oxide@molecular sieve supported catalyst for ortho-to para-hydrogen conversion	148
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	148
Fluorinated graphene quantum dots-induced defect passivation of perovskite film toward stable and efficient perovskite solar cell	147
A novel Ti-doped BiVO4 photoanode with NiFeOx cocatalyst for fast charge transfer towards enhanced photoelectrochemical water oxidation	147
Thermal-assisted resistive sensor based on the PdCr alloy thin film for sensitive detection of hydrogen isotopes in helium atmosphere	146
Numerical investigation on the flame propagation process of ammonia/hydrogen blends under engine-related conditions	145
Integrated experimental-computational approach to estimate TNT equivalence of hydrogen vessel bursts	145
NiCoP nanoparticles embedded in coal-based carbon nanofibers as self-supporting bifunctional electrocatalyst toward water splitting	145
Integration and performance impact of biomass gasification-derived syngas on high-temperature PEM fuel cell	144
DFT analysis of the perovskite energetic materials DAP-5: Alteration of the physical properties by strain effect	143
Sustainable ammonia production from unused biomass: Green hydrogen generation and supply chain optimization in South Korea	143
Energy and exergy analysis of an integrated system with solar methane cracking and co-electrolysis of CO2/H2O for efficient carbon management	143
Performance analysis of a combined cooling, heat, electricity and hydrogen plant powered by evacuated tube solar collectors	142
Nickel–cobalt layered double hydroxide/NiCo2S4/g-C3N4 nanohybrid for high performance asymmetric supercapacitor	141
Effective thermal conductivity of insulation materials for cryogenic LH2 storage tanks: A review	141
Lightweight method for injection rate prediction of supersonic gas flow from pintle-type hydrogen injector	140
Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks	140
Ni–Co–Cu composite supported by graphene oxide doped with nitrogen as an anode catalyst in a high-performance glucose electrooxidation	140
Enhanced bifunctional aspects of oxygen vacancy rich cation substituted MnCo2O4 intercalated with g-C3N4 as an oxygen evolution and supercapacitor electrode	140
A mechanistic framework for the leakage risk reduction of mobile hydrogen refueling stations based on inherent safety concepts	139
Numerical simulation of hydrogen explosion characteristics and disaster effects of hydrogen fueling station	139
Optimal planning and stochastic energy management of a smart microgrid for green transportation and ammonia production with demand response	139
Wettability of water-H2-quartz and water-H2-calcite experiment and molecular dynamics simulations: Critical assessment	139
Effects of preparation methods on the size and interface of Ni–W bimetallic catalysts for dry reforming of methane	139
Catalytic steam reforming of methanol over highly active catalysts derived from PdZnAl-type hydrotalcite on mesoporous silica MCM-48	138
The effect of titanium dioxide-supported CdSe photocatalysts enhanced for photocatalytic glucose electrooxidation under UV illumination	138
Boron-based hydrogen storage materials towards Power-to-X technology on the path to carbon neutrality	137
Carbon-based materials for Mg-based solid-state hydrogen storage strategies	137
A study of options to enhance the operation of a H2 direct reduction shaft furnace using a two-dimensional model	136
Efficient overall water splitting electrode regulated by Pt nanodots modified NiCo-carbonate hydroxide nanowires on porous rGO matrix	136
Cu3P nanoparticles grown on graphene as efficient electrocatalysts for hydrogen evolution reaction	135
Novel multigeneration system based on a flame-assisted fuel cell for use in residential applications	134
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	134
Optimization and exergoeconomic analyses of water-energy-carbon nexus in steel production: Integrating solar-biogas energy, wastewater treatment, and carbon capture	133
Fabrication of zirconium ditelluride/graphene oxide nanocomposite array for oxygen evolution and hydrogen evolution reactions	133
Advanced hierarchical energy optimization strategy for integrated electricity-heat-ammonia microgrid clusters in distribution network	132
Model-based observer for vehicle proton exchange membrane fuel cell humidity based on adaptive sliding mode estimation technique	132
Catalytic effects of FGO-Ni addition on the dehydrogenation properties of LiAlH4	132
Study on the low-temperature and high-pressure hydrogen storage performance of MIL-101(Cr)-filled type Ⅲ tank	132