OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 111. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Direct seawater splitting by photo-piezoelectric coupling based on surface protonated perovskite	912
Investigation of p-type spinel structure as photocathode thin films under neutral pH condition	776
Kinetics of dry reforming of methane catalyzed by Ni/Si-MCM-41	523
Hydrogen bubble management in planarly confined aqueous electrolyte: Fundamental factors for scale-up reactor design	490
Mixotrophic cultivation of green algal aggregates boost photobiological hydrogen production	464
The drillstring dynamic time domains harmonic response and acceleration characteristics of compound drilling for the high-quality slim borehole	463
Optimization of cold startup strategy with quasi 2-D model of metal hydride hydrogen storage with fuel cell	446
Advanced Ru/Ti4O7 catalyst for Tolerating CO and H2S poisoning to hydrogen oxidation reaction	431
Investigation of the injector configurations of ramp injection system for efficient hydrogen mixing inside the combustor of scramjet engine	406
WITHDRAWN: The role of cobalt on cathode material for intermediate temperature solid oxide fuel cells: A review	384
Addressing the complex geometric effects on the three-dimensional transition to detonation in hydrocarbon-air mixtures using a parametrized level-set algorithm	370
WO3 dehydration and phase transition as the catalytic driver of hydrogen production by non-calcinated WO3	355
Parametric study on geometric and material properties of polymer electrolyte membrane fuel cell with free vibration analysis	350
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	344
Performance improvement of magnesium-based hydrogen storage tanks by using carbon nanotubes addition and finned heat exchanger: Numerical simulation and experimental verification	309
Theoretical exploration of the mechanisms on the iron complexes catalyzed ammonia borane dehydrogenation and polyaminoborane formation	306
Atomically dispersed ruthenium single-atom alloy catalysts enabling efficient iodide oxidation reaction electrolysis in acidic media	303
Plasmon Au modified 3D-nanostructrue CoOx decorated hematite for highly efficient photoelectrochemical water splitting	299
Experimental investigation on performance of hydrogen additions in natural gas combustion combined with CO2	297
Ni-doped Ba0.9Zr0.8Y0.2O3-δ as a methane dry reforming catalyst for direct CH4–CO2 solid oxide fuel cells	287
Peat as a carbon source for non-platinum group metal oxygen electrocatalysts and AEMFC cathodes	286
Visible light-driven photothermal Au/Ag/TiO2 trihybrid plasmonic nanomaterial for synthetic fuel production	274
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	272
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	260
A novel modeling and virtual testing method of hydrogen storage COPV considering stochastic wrinkle defects	258

Lightweight method for injection rate prediction of supersonic gas flow from pintle-type hydrogen injector	256
Impact of a protic dimeric ionic liquid on PEM fuel cell performance and durability	246
A novel two-step Ru/Al2O3 catalyst impregnation method for CO selective methanation	213
Intercomparison between LH2, LNG and pressurized NH3 dispersion using an adiabatic mixing approach	209
Carbon-catalyzed oxygen-mediated dehydrogenation of formaldehyde in alkaline solution for efficient hydrogen production	205
Ti–Fe mixed oxides as photocatalysts in the generation of hydrogen under UV-light irradiation	204
Multiple-phases LaFeO3 decorated with sea-urchin-like Au nanoparticles for photoelectrochemical hydrogen generation from bio-ethanol and 1-butanol	202
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	202
Performance assessment of thermochemical CO2/H2O splitting in moving bed and fluidized bed reactors	200
Control of the metal-support interactions in Ru on N-doped graphene-encapsulated Ni nanoparticles to promote their hydrogen evolution reaction catalytic performance	198
Synthesis of methanethiol from CO2/H2S/H2 catalyzed by hollow nanospheres VS4 with high catalytic activity	195
SnO2 as thin conformal layer over BiVO4 surface for enhanced charge carrier separation towards O2 evolution from water oxidation	193
Study on the variation regularities of minimum explosion concentration of moist magnesium dust/derived hydrogen hybrids under multiple working conditions	189
A chemoresistive hydrogen gas sensor prepared by a sputtered indium tungsten oxide thin film and palladium nanoparticles	187
MPC-based energy optimization and regulation for zero-carbon energy supply building	186
Thermodynamic screening of candidate ceria and perovskite systems as potential oxygen carrier materials for chemical looping water gas shift	186
Catalytic effects of FGO-Ni addition on the dehydrogenation properties of LiAlH4	186
Modulation the carrier separation mechanism of CdS photoanode: From vacancy to crystal phase transformation	181
Effects of hydrogen and methane anti-knocking characteristics on the efficiency and power output in argon power cycle engines	180
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	179
Enhanced electrocatalytic performance of Pt nanoparticles immobilized on novel electrospun PVA@Ni/NiO/Cu complex bio-nanofiber/chitosan based on Calotropis procera plant for methanol electro-oxidation	174
Operation characteristics and performance analysis of integrated power and hybrid cooling systems driven by PEM fuel cell	173
Effect of gas injection mass flow rates on the thermal behavior in a cryogenic fuel storage tank	172
Efficiency control of the cooling-down process of a cryogenic helium turbo-expander for a 2 t/d hydrogen liquefier	170
Numerical study on the characteristics of rotating detonation wave with multicomponent mixtures	169
The different effect of Co3O4 or/and carbon fiber originated from biomass on the electrochemical hydrogen storage performance of Co2B alloy	165
Interface channels accelerating ion transport through alkaline earth metal carbonate - Gd0.1Ce0.9O1.95 heterostructure	165
Numerical analysis and experimental research on cathode pore-forming characteristics and mass transfer performance of direct ethanol fuel cell	163
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	161
Coupling the solvent-based CO2 capture processes to the metal water-splitting for hydrogen generation in a semi-continuous system	158
A high specific surface area and amorphous cobalt oxide@molecular sieve supported catalyst for ortho-to para-hydrogen conversion	157
Influence of hydrogen on the tensile properties of X65 D pipeline steel	157
Investigation of drive cycle simulation performance for electric, hybrid, and fuel cell powertrains of a small-sized vehicle	153
Performance assessment of anion exchange electrolyzer with PBI-BASED membrane through 0-D modeling	153
Renewable biohydrogen production from straw biomass – Recent advances in pretreatment/hydrolysis technologies and future development	151
An advanced control strategy for power flow management, optimal DC capacitor utilization and compensating harmonics in fuel cell electric vehicle powertrain converters	149
WITHDRAWN: Editorial hydrogen energy technology for future	147
Enhanced bioelectrochemical performance of CoS2/TiO2 attaching Fe-based metal organic frameworks grown on NiFe-layered double hydroxide as cathode catalyst in microbial fuel cell	146
Experimental and numerical study on vented H2/air explosion in an obstructed duct: Effects of hydrogen concentration and vent size	146
Options for net zero emissions hydrogen from Victorian lignite. Part 2: Ammonia production	145
Origin of the overall water splitting activity over Rh/Cr2O3@ anatase TiO2 following UV-pretreatment	144
Hydrogen production by sulfur-iodine thermochemical cycle — Current status and recent advances	144
Bimetallic polyoxometalate derived Co/WN composite as electrocatalyst for high-efficiency hydrogen evolution	142
Studies of the atomic rearrangement of carbon and silicon derived from Sargassum spp. and its effect on ORR activity	141
Sulphur and nitrogen-doped metal-free microalgal carbon catalysts for very active dehydrogenation of sodium borohydride in methanol	140
Inhibition mechanism of aluminum hypophosphite inhibits aluminum dust explosions: Experimental and Reactive force field molecular dynamics simulations study	139
Design and optimization of charge exchange cell for high energy H− to H+ conversion	139
Bimetallic ZnNi co-catalyst modified g-C3N4 nanosheets for highly efficient photocatalytic hydrogen evolution	138
Robust alkaline stability of MOFs functionalized poly (aryl ether ketone) anion exchange membranes for hydrogen fuel cells	138
Enhanced thermophilic hydrogen production from co-substrate of pretreated waste activated sludge and food waste: Analysis from microbial growth and metabolism	137

A framework for high resolution coupled global electricity & hydrogen models based on integrated assessment model scenarios	137
Study on the evacuation of gas in bulk-fill insulation materials used in large-scale LH2 storage tanks	136
Effect of operation conditions on the structural and fatigue behaviors of hydrogen storage vessel in refueling station	135
Explosion free in fire self-venting (TPRD-less) Type IV tanks: Validation under extreme impinging 70 MPa hydrogen jet fire conditions	131
New PdNiAu ternary alloys as potential material for hydrogen separation processes	130
Understanding the evolution of high-entropy oxide OER electrocatalyst with anion regulation	130
Effect of hydrogen addition on the combustion characteristics of premixed biogas/hydrogen-air mixtures	129
A hierarchical and branch-like NiCoS/NF material prepared by gradient electrodeposition method for oxygen evolution reaction	129
Intelligent control based on single-input interval type-2 fuzzy iPI and super twisting nonlinear sliding mode compensator for regulating PEMFC output voltage	127
Regulation of V for the phase transition of NiO to Ni0 to effectively boost hydrogen evolution reaction activity in electrocatalytic water splitting	127
Green hydrogen electrolyzer and hydrogen-methane CCGT power plant in NEOM City	127
Boron-based hydrogen storage materials towards Power-to-X technology on the path to carbon neutrality	126
Core-shell hetero-phase reduced Ti–Ni–O nanotubes photoanode with enhanced optical absorption and charge transport for boosted photoelectrochemical water splitting	125
Carbon nanotube-copper oxide-supported palladium anode catalysts for electrocatalytic enhancement in formic acid oxidation	124
Levelized and environmental costs of power-to-gas generation in Germany	123
Characteristics of photothermal transfer and biochemical reaction in up-flow direct absorption hydrogen reactor with embedded ribs	122
Thermal-assisted resistive sensor based on the PdCr alloy thin film for sensitive detection of hydrogen isotopes in helium atmosphere	122
In-situ dehydrogenation of lignin-based jet fuel: A novel and sustainable liquid organic hydrogen carrier	122
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	120
Editorial Board	119
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	119
Editorial Board	119
Guest editorial for special issue EFC21	118
Editorial Board	118
Effect of cylinder to nozzle distance on the concentration profile induced by impingement of unignited hydrogen release at different pressures	117
Coulombic interaction-based S-scheme heterojunction between amorphous calcium titanium oxide and protonated carbon nitride nanosheets for efficient solar hydrogen production	117
Comprehensive analysis of magnetized second-grade nanofluid via Fourier's and Cataneo-Christove models past a curved surface	117
Analysis of steady and oscillating flames fueled by biomass particles and syngases considering two-step pyrolysis and heterogeneous and homogeneous reactions	115
Thermodynamic modeling and optimal short-term scheduling of a green H2-fueled combined heat and power generation system for industrial zones	115
Synergistic catalytic effect of fluorine coordination in defects engineered nitrogen-doped 3D-Hierarchical Zn polymer-derived carbon as efficient bifunctional electrocatalysts	115
Fast switching hydrogen gas leakage identification using FPGA	114
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	114
Improve the gas-barrier and mechanical performance of epoxy resin by Co-modification from montmorillonite and polyethylene glycol	114
Performance analysis of a 1 MW reversible solid oxide system for flexible hydrogen and electricity production	112
A method for predicting long-term degradation of fuel cells: Wavelet-linear enhanced neural network	111
Co-doping of SiO2 and ZrO2 for the synthesis of energy-saving PbO2 anode material for trivalent chromium electroplating	111
Photocatalytic performance of dual-function selenium-enriched biomass-derived activated carbon as a catalyst for dye degradation and hydrogen production	111
Optimizing annealing treatment of mesoporous MoO2 nanoparticles for enhancement of hydrogen evolution reaction	111