OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 128. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	1227
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	633
Regulation of V for the phase transition of NiO to Ni0 to effectively boost hydrogen evolution reaction activity in electrocatalytic water splitting	552
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	551
Assessing the accuracy and replicability of water formation modeling in PEM fuel cells: A sensitivity analysis of key performance parameters using computational fluid dynamics	531
NiFeOOH deposition on various 3D electrode geometries to influence bubble dynamics under technical relevant alkaline water electrolysis conditions	516
Cost reduction strategy for microtubular solid oxide fuel cells: Integrating tape casting, isostatic pressing and co-sintering	476
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	456
Waste to hydrogen: Investigation of different loads of diesel engine exhaust gas	454
Observer-based decoupling control of air flow and pressure in fuel cell systems	438
Intercomparison between LH2, LNG and pressurized NH3 dispersion using an adiabatic mixing approach	423
Thermal-assisted resistive sensor based on the PdCr alloy thin film for sensitive detection of hydrogen isotopes in helium atmosphere	412
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	408
Editorial Board	366
Editorial Board	359
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	347
The drillstring dynamic time domains harmonic response and acceleration characteristics of compound drilling for the high-quality slim borehole	311
Guest editorial for special issue EFC21	293
Investigation of p-type spinel structure as photocathode thin films under neutral pH condition	288
Editorial Board	288
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	279
WITHDRAWN: Editorial hydrogen energy technology for future	278
Synergistic catalytic effect of fluorine coordination in defects engineered nitrogen-doped 3D-Hierarchical Zn polymer-derived carbon as efficient bifunctional electrocatalysts	272
Carbon nanotube-copper oxide-supported palladium anode catalysts for electrocatalytic enhancement in formic acid oxidation	265
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	262

The fabrication of integrated proton exchange membrane fuel cells: Excellent mechanical strength and electrochemical performance	255
Study of the electrochemical properties of Fe3O4/C–Bi composites prepared by spray drying and their use in cylindrical sealed nickel iron batteries	253
Hydrogen bubble management in planarly confined aqueous electrolyte: Fundamental factors for scale-up reactor design	251
Carbon-catalyzed oxygen-mediated dehydrogenation of formaldehyde in alkaline solution for efficient hydrogen production	232
Analysis of steady and oscillating flames fueled by biomass particles and syngases considering two-step pyrolysis and heterogeneous and homogeneous reactions	230
Photoreforming of model carbohydrate mixtures from pulping industry wastewaters	229
Ti–Fe mixed oxides as photocatalysts in the generation of hydrogen under UV-light irradiation	229
Synthesis and characterization of cross-linked polymer with sulfonylimide group via UV-radical polymerization for PEMFC	223
Synthesis of methanethiol from CO2/H2S/H2 catalyzed by hollow nanospheres VS4 with high catalytic activity	220
Flame structure and NO production on laminar non-premixed flames of ammonia with highly preheated air	219
Green catalyst for the fabrication of high-surface-area carbon aerogels for efficient hydrogen adsorption	214
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	211
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	211
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	208
Machine learning-assisted tri-objective optimization inspired by grey wolf behavior of an enhanced SOFC-based system for power and freshwater production	203
Visible light-driven photothermal Au/Ag/TiO2 trihybrid plasmonic nanomaterial for synthetic fuel production	202
PEG mediated tetragonal calcium molybdate nanostructures for electrochemical energy conversion applications	197
Low-temperature hydrogen release exceeding 7 wt% from LiBH4-mannitol composites	196
Editorial Board	192
Design and optimization of charge exchange cell for high energy H− to H+ conversion	190
Catalytic steam reforming of methanol over highly active catalysts derived from PdZnAl-type hydrotalcite on mesoporous silica MCM-48	189
Effects of hydrogen and methane anti-knocking characteristics on the efficiency and power output in argon power cycle engines	189
Machine learning-aided optimal energy management of a Solar-to-X energy system based on hydrogen production/storage and CAES	188
Exploring photocatalytic water splitting pathways for efficient hydrogen production: A theoretical investigation	187
Lightweight method for injection rate prediction of supersonic gas flow from pintle-type hydrogen injector	184
Construction of multi-interfacial charge transfer paths in the NiS/CdS@CuS composite for efficient and broadband visible light photocatalytic H2 production	181
Robust alkaline stability of MOFs functionalized poly (aryl ether ketone) anion exchange membranes for hydrogen fuel cells	180
Hydrogen gas dispersion studies for hydrogen fuel cell vessels I: Vent Mast releases	179
Study on the evacuation of gas in bulk-fill insulation materials used in large-scale LH2 storage tanks	179
Performance of Co–Cu bimetallic catalysts for catalytic syngas to produce higher alcohols: Influence of the preparation methods, CoCu ratios, and carriers	177
Crystal structure effects on the Co-sputtered p-type Fe2-xSnxO3 hydrogen gas sensors	174
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	174
Integrating molecular simulations with multilayer perceptron neural networks to predict the CH4/H2 adsorption and separation of MTV-MOFs	174
Ab-initio CALPHAD modeling of NaNH2BH3 for solid-state H2 storage applications	174
Fluorinated graphene quantum dots-induced defect passivation of perovskite film toward stable and efficient perovskite solar cell	174
Studies of the atomic rearrangement of carbon and silicon derived from Sargassum spp. and its effect on ORR activity	171
Integrated experimental-computational approach to estimate TNT equivalence of hydrogen vessel bursts	171
Nitrogen-doped carbon achieving the construction of high-loading Pt catalyst and enhancement of fuel cells performance	170
Modulation of metal/support interactions improves catalytic performance of Ni–Pt/CeO2 for hydrogen generation from hydrazine monohydrate	168
Nickel nanoparticle-decorated twinned crystal CdxZn1−xS for enhanced photocatalytic hydrogen production	168
A novel modeling and virtual testing method of hydrogen storage COPV considering stochastic wrinkle defects	166
Whole system impacts of decarbonising transport with hydrogen: A Swedish case study	164
Precursor-reforming protocol to hierarchical porous g-C3N4 with N defects for remarkable visible-light-driven hydrogen evolution	164
Electrode optimization for efficient hydrogen production using an SO2-depolarized electrolysis cell	164
Effects of stagnation temperature on hysteresis in flame stabilization in a hydrogen-fueled strut-stabilized supersonic combustor	163
Coupling the solvent-based CO2 capture processes to the metal water-splitting for hydrogen generation in a semi-continuous system	162
Optimization and comparison of two improved very high temperature gas-cooled reactor-based hydrogen and electricity cogeneration systems using iodine-sulfur cycle	162
Self-supported V–Cu2S catalysts for green hydrogen production through alkaline water electrolysis	161
Durability improvement for ePTFE reinforced perfluorosulfonic acid membranes by natural organic free radical scavengers	161
Hydrogen production by aqueous phase reforming over stable La-promoted Ni-based hydrotalcite catalysts	160

Direct seawater splitting by photo-piezoelectric coupling based on surface protonated perovskite	159
N, P-codoped molybdenum carbide nanoparticles loaded into N, P-codoped graphene for the enhanced electrocatalytic hydrogen evolution	159
A study of options to enhance the operation of a H2 direct reduction shaft furnace using a two-dimensional model	158
Efficient hydrogen evolution from NaBH4 using bimetallic nanoparticles (Ni–Co) supported on recycled Zn–C battery electrolyte paste	157
Analytical solution for fuel cell electric vehicle energy management including a long-term predefined velocity profile	157
Surface engineering of non-platinum-based electrocatalysts for sustainable hydrogen production: Encapsulation, doping, and decoration approach	155
Molecular dynamic simulation of LiH–H2O reactions using the ReaxFF reactive force field	155
Thermodynamic approach for hydrogen production from the steam reforming reaction of aromatic hydrocarbons (BTX)	153
Tungsten clusters derived from phosphotungstic acid to enhance hydrogen storage efficiency in MgH2	152
Fast switching hydrogen gas leakage identification using FPGA	151
Sustainable ammonia production from unused biomass: Green hydrogen generation and supply chain optimization in South Korea	150
Considering hydrogen policies with a focus on incentive compatibility towards electricity grids	150
Enhanced alkaline water splitting on cobalt phosphide sites by 4d metal (Rh)-doping method	149
Neurofuzzy modelling on the influence of Pt–Sn catalyst properties in direct ethanol fuel cells performance: Fuzzy inference system generation and cell power density optimization	149
Theoretical exploration of the mechanisms on the iron complexes catalyzed ammonia borane dehydrogenation and polyaminoborane formation	148
Optimization of SOFC combined steam and power system utilizing by-product hydrogen	146
Peat as a carbon source for non-platinum group metal oxygen electrocatalysts and AEMFC cathodes	146
Optimization of cold startup strategy with quasi 2-D model of metal hydride hydrogen storage with fuel cell	145
Thermal behaviour-guided cold start control strategy for PEMFCs based on multi-objective optimization	145
Electroactive biofilm inhibition by sinusoidal voltage to hinder electron transfer in CO2 methanogenesis	143
Stone-Wales defective C60 fullerene for hydrogen storage	143
Thermodynamics analysis of a hybrid system based on a combination of hydrogen fueled compressed air energy storage system and water electrolysis hydrogen generator	143
Hydrogen production via supercritical water gasification of glycerol enhanced by simple structured catalysts	141
Efficient hydrogen production from water solutions of plant biomass components over “core-shell” Ni(OH)2/NiO/Ni modified g-C3N4 under visible light	140
Forecasting energy use and efficiency in transportation: Predictive scenarios from ANN models	140
Pressure-regulated hydrogen dissociation process on α-Fe (110) surfaces: A GCMC - coupled reactive molecular dynamics investigation	139
Intelligent control based on single-input interval type-2 fuzzy iPI and super twisting nonlinear sliding mode compensator for regulating PEMFC output voltage	138
VC@C composites derived from polyoxovanadate assisted by dicyandiamide as low-cost platinum-free counter electrode electrocatalyst for dye-sensitized solar cells	138
Design of Cu-containing (Pr,Ba)FeO3-based perovskite electrodes for protonic ceramic electrochemical cells	137
Fundamental properties of hydrogen at PdCu–Mo2C interfaces from first principles calculations	137
Integrated multi-generation system with three-stage RO: A comprehensive study of the exergy-cost-environment nexus	135
Density functional theory (DFT) calculations, synthesis and electronic properties of alkoxylated-chalcone additive in enhancing the performance of CMC-based solid biopolymer electrolyte	134
Analytical framework for liquid hydrogen storage tanks in UAVs: Thermal performance validation and structural integrity assessment	134
Plasma-aided activation and hydrogen desorption of ZrVFe getter	134
Numerical analysis and experimental research on cathode pore-forming characteristics and mass transfer performance of direct ethanol fuel cell	134
Production of Mg thin flakes with enhanced hydrogen storage performance	134
Catalyst shape matters: Influence of catalyst shape on reactor performance in hydrogen release from perhydro benzyltoluene	134
Ni-doped Ba0.9Zr0.8Y0.2O3-δ as a methane dry reforming catalyst for direct CH4–CO2 solid oxide fuel cells	133
Co-digestion of solid-liquid waste from citrus agroindustrial: Effect of hydraulic retention time and organic loading rate on H2 production in a long-term continuous operation leach bed reactor	133
Improved 3D porous structures of Ni electrodes prepared by high-pressure cold spray and post annealing for water splitting	133
Branched Glucan from Leuconostoc Mesenteroides as the channel for ionic migration in the fabrication of protonic (H+) battery	133
Cost-effective novel MIL-101(Cr) hydrogen adsorbents: From adsorption potential theory to vacuum maintenance in liquid hydrogen storage tanks	132
Energy-economic-environment (3E) analysis of green hydrogen production: Comparing power purchase agreement and onsite renewable power	132
Numerical investigation on the flame propagation process of ammonia/hydrogen blends under engine-related conditions	132
Long-term performance and degradation of TiN-coated 304 stainless steel bipolar plates in air-breathing PEMFCs: A comprehensive evaluation	132
Development of a hydrogen impurity analyzer based on mobile-gas chromatography for online hydrogen fuel monitoring	132
The Ni–P dual vacancies crystalline/amorphous bifunctional electrode with ZnO “electron pump” for urea-assisted electrolysis of water to produce hydrogen	131
Unleashing the potential of NiO@V2CTx MXene-derived electrocatalyst for hydrogen and oxygen evolution	131
Accelerated discovery of hydrogen storage hydride perovskites: A combined machine learning and first-principles approach	130
Tailored anchoring of FeNiOx on carbon nanotubes to enhance local electric field for boosting overall water splitting	130
Effect of gas injection mass flow rates on the thermal behavior in a cryogenic fuel storage tank	130
Mercury(II)-complex with 5-methyl-1,3,4-thiadiazole-2-thiol: kinetic studies of hydrogen storage	129
One-pot synthesis Pr6O11 decorated Pr2CuO4 composite cathode for solid oxide fuel cells	128