OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 118. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	1075
Performance improvement of magnesium-based hydrogen storage tanks by using carbon nanotubes addition and finned heat exchanger: Numerical simulation and experimental verification	559
Atomically dispersed ruthenium single-atom alloy catalysts enabling efficient iodide oxidation reaction electrolysis in acidic media	531
Experimental investigation on performance of hydrogen additions in natural gas combustion combined with CO2	494
Peat as a carbon source for non-platinum group metal oxygen electrocatalysts and AEMFC cathodes	493
Visible light-driven photothermal Au/Ag/TiO2 trihybrid plasmonic nanomaterial for synthetic fuel production	469
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	459
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	447
Intercomparison between LH2, LNG and pressurized NH3 dispersion using an adiabatic mixing approach	422
Ti–Fe mixed oxides as photocatalysts in the generation of hydrogen under UV-light irradiation	409
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	401
Synthesis of methanethiol from CO2/H2S/H2 catalyzed by hollow nanospheres VS4 with high catalytic activity	364
Catalytic effects of FGO-Ni addition on the dehydrogenation properties of LiAlH4	363
Modulation the carrier separation mechanism of CdS photoanode: From vacancy to crystal phase transformation	353
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	351
Effect of gas injection mass flow rates on the thermal behavior in a cryogenic fuel storage tank	333
WITHDRAWN: Editorial hydrogen energy technology for future	306
In-situ dehydrogenation of lignin-based jet fuel: A novel and sustainable liquid organic hydrogen carrier	298
Synergistic catalytic effect of fluorine coordination in defects engineered nitrogen-doped 3D-Hierarchical Zn polymer-derived carbon as efficient bifunctional electrocatalysts	292
NiFeOOH deposition on various 3D electrode geometries to influence bubble dynamics under technical relevant alkaline water electrolysis conditions	266
Assessing the accuracy and replicability of water formation modeling in PEM fuel cells: A sensitivity analysis of key performance parameters using computational fluid dynamics	255
Tourist preferences for fuel cell vehicle rental: going green with hydrogen on the island of Tenerife	249
Hydrogen charging and discharging studies on embedded cooling tube metal hydride reactor designed for fuel cell applications	246
Digital twins based on machine learning for optimal control of chemical looping hydrogen generation processes	237
Hydrogen gas dispersion studies for hydrogen fuel cell vessels I: Vent Mast releases	237

Performance analysis of a combined cooling, heat, electricity and hydrogen plant powered by evacuated tube solar collectors	236
Photoreforming of model carbohydrate mixtures from pulping industry wastewaters	235
Effects of steam feeding on microwave heating of cellulose with magnetite used as susceptor	217
Enhanced hydrogen storage performance of zinc and magnesium cobaltite nanocomposites	215
Crystal structure effects on the Co-sputtered p-type Fe2-xSnxO3 hydrogen gas sensors	214
Synthesis of modified, ordered mesoporous carbon-supported Pt3Cu catalyst for enhancing the oxygen reduction activity and durability	212
Characteristics of photothermal transfer and biochemical reaction in up-flow direct absorption hydrogen reactor with embedded ribs	210
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	209
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	208
Editorial Board	204
Editorial Board	199
Editorial Board	197
Guest editorial for special issue EFC21	193
Coulombic interaction-based S-scheme heterojunction between amorphous calcium titanium oxide and protonated carbon nitride nanosheets for efficient solar hydrogen production	191
Thermodynamic modeling and optimal short-term scheduling of a green H2-fueled combined heat and power generation system for industrial zones	188
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	188
Co-doping of SiO2 and ZrO2 for the synthesis of energy-saving PbO2 anode material for trivalent chromium electroplating	186
Ti-substituted organosilica membranes for H2 sieving: Sol-gel and DFT insights	184
The fabrication of integrated proton exchange membrane fuel cells: Excellent mechanical strength and electrochemical performance	184
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	182
Empirical profiling of cold hydrogen plumes formed from venting of LH2 storage vessels	181
Enhanced electrochemical hydrogen storage performance of titanate-based nanostructures synthesized by facile auto-combustion: Li2TiO3 nanostructures versus LaTiO3 nanoperovskites	177
The influence of thermal treatment on recirculating two phase anaerobic digestion system	173
Influence of cobalt dopant in NiFe2-xCoxO4 (0≤x≤2) on electrochemical catalytic properties	169
Observer-based decoupling control of air flow and pressure in fuel cell systems	168
Waste to hydrogen: Investigation of different loads of diesel engine exhaust gas	168
Cost reduction strategy for microtubular solid oxide fuel cells: Integrating tape casting, isostatic pressing and co-sintering	167
N, P-codoped molybdenum carbide nanoparticles loaded into N, P-codoped graphene for the enhanced electrocatalytic hydrogen evolution	164
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	164
Design and performance analyses of graphene-nano plasmonic devices for wireless gas sensor applications	161
Performance of Co–Cu bimetallic catalysts for catalytic syngas to produce higher alcohols: Influence of the preparation methods, CoCu ratios, and carriers	161
Solar-driven photocatalytic and photoelectrocatalytic hydrogen evolution reaction: Advances, challenges, and future directions	160
Thermodynamic approach for hydrogen production from the steam reforming reaction of aromatic hydrocarbons (BTX)	160
Ni-doped Ba0.9Zr0.8Y0.2O3-δ as a methane dry reforming catalyst for direct CH4–CO2 solid oxide fuel cells	159
The effects of hydrogen enriched natural gas under different engine loads in a diesel engine	158
Effects of preparation methods on the size and interface of Ni–W bimetallic catalysts for dry reforming of methane	158
Influence of vent size on characteristics of hydrogen explosion venting: Experimental investigation and numerical simulation	156
Driver-personality-involved car-following energy management strategies for FCHEVs	155
A cold start-up method with combining chemical-looping combustion and catalytic combustion for a methanol reformer	152
Enhanced solar water splitting using a TiO2/In2S3 heterojunction coated with NiFe phosphide cocatalyst	150
Sustainable ammonia production from unused biomass: Green hydrogen generation and supply chain optimization in South Korea	149
Integrated experimental-computational approach to estimate TNT equivalence of hydrogen vessel bursts	148
Efficient hydrogen evolution from NaBH4 using bimetallic nanoparticles (Ni–Co) supported on recycled Zn–C battery electrolyte paste	147
Multi-active site CoNi-MOFs as non-noble bifunctional electrocatalysts for highly efficient overall water splitting	145
Synergistic effects of ThO2 on g-C3N4/BiVO4 heterojunctions for enhanced photoelectrochemical (PEC) water splitting	145
Effect of the loading mode and temperature on hydrogen embrittlement behavior of 15Cr for steam turbine last stage blade steel	145
Influence of electronic transport on electrochemical performance of (Cu,Mn)3O4 solid oxide fuel cell cathodes	143
Ethylene glycol as an alternative solvent approach for very efficient hydrogen production from sodium borohydride with phosphoric acid and acetic acid catalysts	142
Metal-free catalyst fabrication by incorporating oxygen groups on the surface of the carbonaceous sample and efficient hydrogen production from NaBH4 methanolysis	142
A novel two-step Ru/Al2O3 catalyst impregnation method for CO selective methanation	142

Risk-averse based optimal operational strategy of grid-connected photovoltaic/wind/battery/diesel hybrid energy system in the electricity/hydrogen markets	141
Renewable biohydrogen production from straw biomass – Recent advances in pretreatment/hydrolysis technologies and future development	141
Boosting electrocatalytic water splitting of Mo-doped CoNi/FeCr2O4 heterojunctions via photothermal effects	140
Study of the electrochemical properties of Fe3O4/C–Bi composites prepared by spray drying and their use in cylindrical sealed nickel iron batteries	139
Hydrogen-based solutions to help the electrical grid management: Application to the Terceira Island case	138
Enhanced thermophilic hydrogen production from co-substrate of pretreated waste activated sludge and food waste: Analysis from microbial growth and metabolism	138
Effects of different ratios of flexible links and rigid structures in side chains on membrane properties for HT-PEM applications	137
WITHDRAWN: The role of cobalt on cathode material for intermediate temperature solid oxide fuel cells: A review	137
Experimental study on thermoacoustic instability of partially premixed CH4/NH3 flame	136
The different effect of Co3O4 or/and carbon fiber originated from biomass on the electrochemical hydrogen storage performance of Co2B alloy	134
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	134
Core-shell hetero-phase reduced Ti–Ni–O nanotubes photoanode with enhanced optical absorption and charge transport for boosted photoelectrochemical water splitting	133
Geometric structures and hydrogen storage properties of M2B7 (M=Be, Mg, Ca) clusters	133
Methanation of CO2 on bulk Co–Fe catalysts	132
Nanostructured thin film SrCo0.8Nb0.1Ta0.1O3-δ cathode for low-temperature solid oxide fuel cells	132
Optimal design of a hydrogen tube skid for stable charging, storage, and discharging	130
A systematic framework of resilience assessment based on multi-state transition modeling under two-phase recovery for hydrogen refueling stations	129
Synthesis and characterization of cross-linked polymer with sulfonylimide group via UV-radical polymerization for PEMFC	128
A novel CoSeO3 photocatalyst assisting g-C3N4 in enhancing hydrogen evolution through Z scheme mode	127
Origin of hydrogen embrittlement in ferrite-martensite dual-phase steel	127
Detonation effect of hydrogen-oxygen mixtures at various initial pressures and hydrogen concentrations in obstructed channels	127
Machine learning-assisted tri-objective optimization inspired by grey wolf behavior of an enhanced SOFC-based system for power and freshwater production	127
Molecular dynamic simulation of LiH–H2O reactions using the ReaxFF reactive force field	127
AC/DC hybrid microgrid energy management optimization as a decisive factor towards De-Carbonization and rational integration of electrical self-generating units using three-objective grey wolf optimiz	125
Hydrogen bubble management in planarly confined aqueous electrolyte: Fundamental factors for scale-up reactor design	123
From waste to renewable energy: Exploring the co-gasification of cashew nutshells and plastic waste	123
Multi-objective optimization design of micro-mixed hydrogen combustor based on small sample agent model	123
Tungsten clusters derived from phosphotungstic acid to enhance hydrogen storage efficiency in MgH2	122
Editorial Board	122
A two-stage risk-based framework for dynamic configuration of a renewable-based distribution system considering demand response programs and hydrogen storage systems	121
Hydrogen flow rate control in a liquid organic hydrogen carrier batch reactor for hydrogen storage	121
Mechanistic insights into hydrogen production from formic acid catalyzed by Pd@N-doped graphene: The role of the nitrogen dopant	121
Studies of the atomic rearrangement of carbon and silicon derived from Sargassum spp. and its effect on ORR activity	121
Experimental and numerical study on multi-wave modes of H2/O2 rotating detonation combustor	120
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	120
PPOs having piperidinium-based conducting head groups with extra molecular interaction sites as new anion exchange membranes	120
An analytical model for the velocity and gas fraction profiles near gas-evolving electrodes	120
Kinetics and microstructural changes during fluidized reduction of magnetite with hydrogen at low temperatures	119
Investigation for the hydrogen storage properties of XCrH3 (X=Na, K) and KYH3(Y Mo, W) perovskite type hydrides based on first-principles	119
Effect of cylinder to nozzle distance on the concentration profile induced by impingement of unignited hydrogen release at different pressures	118
Reducing the unwanted deflagration enhancement of C3HF7 on fuel-lean hydrogen-air mixture by diluting CO2: An experimental and numerical research	118
Low-temperature hydrogen release exceeding 7 wt% from LiBH4-mannitol composites	118
Density functional theory (DFT) calculations, synthesis and electronic properties of alkoxylated-chalcone additive in enhancing the performance of CMC-based solid biopolymer electrolyte	118
Development of a hydrogen impurity analyzer based on mobile-gas chromatography for online hydrogen fuel monitoring	118
The role of effectiveness factor on the modeling of methanol steam reforming over CuO/ZnO/Al2O3 catalyst in a multi-tubular reactor	118
Ni–Co–Cu composite supported by graphene oxide doped with nitrogen as an anode catalyst in a high-performance glucose electrooxidation	118
Thermodynamics analysis of a hybrid system based on a combination of hydrogen fueled compressed air energy storage system and water electrolysis hydrogen generator	118