OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 135. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	772
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	702
Editorial Board	604
Impact of microwave plasma treatment on tritium retention in submicronic tungsten dust	572
Ab-initio CALPHAD modeling of NaNH2BH3 for solid-state H2 storage applications	517
Whole system impacts of decarbonising transport with hydrogen: A Swedish case study	511
Numerical simulation of the coupling mechanism between hydrogen coaxial jet diffusion combustion and heat transfer in water-cooled tube bundles	482
Molecular dynamic simulation of LiH–H2O reactions using the ReaxFF reactive force field	482
From shape to function: Constructing gourd-shaped bimetal/semiconductor hybrids for boosted photocatalytic hydrogen evolution	432
Fundamental properties of hydrogen at PdCu–Mo2C interfaces from first principles calculations	429
Investigation of the effect of colorless distributed combustion method on the flame of methane/hydrogen fuel mixture using image processing method	384
Coupling the solvent-based CO2 capture processes to the metal water-splitting for hydrogen generation in a semi-continuous system	382
Operation characteristics and performance analysis of integrated power and hybrid cooling systems driven by PEM fuel cell	378
Self-generated oxygen radical species accelerate the alkaline oxygen-evolving reaction	363
Editorial Board	354
Editorial Board	339
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	334
The drillstring dynamic time domains harmonic response and acceleration characteristics of compound drilling for the high-quality slim borehole	327
Guest editorial for special issue EFC21	317
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	303
Study of the electrochemical properties of Fe3O4/C–Bi composites prepared by spray drying and their use in cylindrical sealed nickel iron batteries	289
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	270
The oil bath thermal cycling absorption process design and separation process research	269
Options for net zero emissions hydrogen from Victorian lignite. Part 2: Ammonia production	259
Electrolysis of aqueous polymer solutions for low-cost hydrogen production: An experimental case study of polyethylene oxide (PEO) electrolysis	256

Green hydrogen production by electrocatalytic activity of intercalated layered nanomaterial in acidic solution	253
The influence of thermal treatment on recirculating two phase anaerobic digestion system	252
Catalyst shape matters: Influence of catalyst shape on reactor performance in hydrogen release from perhydro benzyltoluene	252
Plasma-aided activation and hydrogen desorption of ZrVFe getter	247
H2 production via H2S decomposition over activated carbon supported Fe- and W- catalysts	244
Nickel nanoparticle-decorated twinned crystal CdxZn1−xS for enhanced photocatalytic hydrogen production	243
Modulation of metal/support interactions improves catalytic performance of Ni–Pt/CeO2 for hydrogen generation from hydrazine monohydrate	239
Submarine in-situ electrolysis for hydrogen production: Performance analysis of a hydrostatic pressure energy utilization system	238
Analysis of H2 production with zero carbon emissions from an integrated multi-energy system	235
Integrating quazi-resonance bridgeless power factor correction converters with advanced seahorse optimized controller for improved induction motor drive performance	233
NiCoP nanoparticles embedded in coal-based carbon nanofibers as self-supporting bifunctional electrocatalyst toward water splitting	229
Integration and performance impact of biomass gasification-derived syngas on high-temperature PEM fuel cell	229
Efficient overall water splitting electrode regulated by Pt nanodots modified NiCo-carbonate hydroxide nanowires on porous rGO matrix	228
DFT analysis of the perovskite energetic materials DAP-5: Alteration of the physical properties by strain effect	228
Novel multigeneration system based on a flame-assisted fuel cell for use in residential applications	219
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	219
Flame structure and NO production on laminar non-premixed flames of ammonia with highly preheated air	218
Evaluating the risk of pressure relief devices in hydrogen systems	218
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	217
Corrigendum to ‘Electrochemical energy storage and conversion applications of CoSn(OH)6 materials’ [Int J Hydrogen Energy 47 (2022) 41948–41955]	215
Thermal and heat transfer dynamics in high pressure, high aspect ratio hydrogen tank filling processes	208
Hydrogen adsorption on heptazine-based g-C3N4/graphene nanocomposites decorated with first-row transition metals (Sc–Zn)	204
Multi-objective optimization design of micro-mixed hydrogen combustor based on small sample agent model	203
Effects of steam feeding on microwave heating of cellulose with magnetite used as susceptor	202
Geographic scale-based analysis of hydrogen production efficiency and mechanism in dark fermentation utilizing diverse inoculums	201
Ti-substituted organosilica membranes for H2 sieving: Sol-gel and DFT insights	199
Research on the effects of coal dust parameters on the venting characteristics of gas/dust two-phase explosions	199
Waste to hydrogen: Investigation of different loads of diesel engine exhaust gas	198
Composite based on nickel-functionalized carbon nitride and carbon nanotubes as an efficient electrocatalyst for the oxygen evolution reaction	198
Parametric study on geometric and material properties of polymer electrolyte membrane fuel cell with free vibration analysis	198
Boosting n→π∗ electronic transition via reducing interlayer stacking distance in red Poly(heptazine imide) towards efficient photocatalytic H2 production	197
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	197
Development of a hydrogen impurity analyzer based on mobile-gas chromatography for online hydrogen fuel monitoring	192
A DFT study of hydrogen adsorption on Pt modified carbon nanocone structures: Effects of modification and inclination of angles	190
Exploring the low-load potential of commercial hydrogen engines based on experimental studies and algorithmic optimization	189
Atomic-scale insights into hydrogen transport at tungsten grain boundaries with machine learning potentials	188
Experimental revelation of bulk-diffusion-dominated high-frequency resistance time response in practical-thickness protonic ceramic fuel cells under H2-Side H2O variations	184
Experimental deconvolution of electrode resistances of a Ni-CGO-based electrolyte-supported cell via symmetrical cell testing	183
Enhanced VO	183
Robust alkaline stability of MOFs functionalized poly (aryl ether ketone) anion exchange membranes for hydrogen fuel cells	182
Hydrogen production from Agropyron repens by dark fermentation with a consolidated bioprocessing approach	181
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	181
Synergistic Ru–Ga nanoclusters on MXene with optimized adsorption for efficient bifunctional water electrolysis	178
Comparative analysis of ramp-based diamond fuel injectors for enhanced mixing in supersonic combustion chambers	177
Pressure swing adsorption of Li exchange hierarchical X zeolite for pure hydrogen from binary gas mixture	176
Numerical study on the characteristics of rotating detonation wave with multicomponent mixtures	175
Impacts of process parameters on diesel reforming via interpretable machine learning	175
VC@C composites derived from polyoxovanadate assisted by dicyandiamide as low-cost platinum-free counter electrode electrocatalyst for dye-sensitized solar cells	174
Solid-state hydrogen generation from NaBH4 using mannitol as a bi-functional additive	173
Effect of cylinder to nozzle distance on the concentration profile induced by impingement of unignited hydrogen release at different pressures	173

Improvement of hydrogenation sorption properties of Ti0.90V0.30Mn1.00Ni0.80 for ultra-high pressure metal-hydride compressor	172
Atomically dispersed ruthenium single-atom alloy catalysts enabling efficient iodide oxidation reaction electrolysis in acidic media	171
Role of intermetallic (In3Sn) phase in activating mechanical and hydrogen-generation properties of high-performance Al-rich alloys	170
Crystal structure effects on the Co-sputtered p-type Fe2-xSnxO3 hydrogen gas sensors	169
Fe doped NiS2 derived from metal-organic framework embedded into g-C3N4 for efficiently oxygen evolution reaction	168
Ni3Fe embedded in oxygen carriers to improve CH4 conversion and H2 production during chemical looping reforming	167
Substitution-induced regulation of microstructure and hydrogen storage properties for Ti1.0V1.1Mn0.7M0.2 (M = Ni, Co, Nb) alloys	166
Cost-effective novel MIL-101(Cr) hydrogen adsorbents: From adsorption potential theory to vacuum maintenance in liquid hydrogen storage tanks	166
Optimizing surface structure with Cu nanodots-decorated NiMoO4 nanostructures to enhance electrocatalytic water splitting	166
Exploring photocatalytic water splitting pathways for efficient hydrogen production: A theoretical investigation	166
Semi-empirical modeling of narrow-cone-angle hollow-cone hydrogen jet penetration	166
Coulombic interaction-based S-scheme heterojunction between amorphous calcium titanium oxide and protonated carbon nitride nanosheets for efficient solar hydrogen production	164
Hydrogen production via supercritical water gasification of glycerol enhanced by simple structured catalysts	164
Coupling amorphous WO3 with WP as a cocatalyst for efficient dye-sensitizated photocatalytic hydrogen evolution	164
Solar-driven integrated system: a synergistical solution of both water treatment and hydrogen source availability	163
Biohydrogen production via integrated sequential fermentation using magnetite nanoparticles treated crude enzyme to hydrolyze sugarcane bagasse	163
Characterization of pressure oscillations and combustion noise of hydrogen reactivity-controlled compression ignition (RCCI)	162
DFT study on mixed perovskite hydrides KMg	162
Nitrogen-doped carbon achieving the construction of high-loading Pt catalyst and enhancement of fuel cells performance	161
Znln2S4 photocatalyst composite with phosphorus-modified MOF-derived cobalt/carbon nanoparticles for efficient visible-light-driven water splitting H2 production	159
Integrating molecular simulations with multilayer perceptron neural networks to predict the CH4/H2 adsorption and separation of MTV-MOFs	159
Phase pure synthesis of iron-nickel nitride nanoparticles: A low cost electrocatalyst for oxygen evolution reaction	157
Effect of CuO–ZnO catalyst layer on proton-conducting electrochemical cell reactor for CO2 reduction reaction	156
MPC-based energy optimization and regulation for zero-carbon energy supply building	156
A novel modeling and virtual testing method of hydrogen storage COPV considering stochastic wrinkle defects	155
Photoreforming of model carbohydrate mixtures from pulping industry wastewaters	155
Synthesis of methanethiol from CO2/H2S/H2 catalyzed by hollow nanospheres VS4 with high catalytic activity	154
Machine learning-assisted tri-objective optimization inspired by grey wolf behavior of an enhanced SOFC-based system for power and freshwater production	154
Nanoflower-like PdCuP catalysts for enhancing ethanol electrooxidation	154
Chemical kinetic and behavior study of the cracked gas of H2/N2 and DME addition on ammonia combustion in lean-burn condition	153
Co-doping of SiO2 and ZrO2 for the synthesis of energy-saving PbO2 anode material for trivalent chromium electroplating	150
Analytical framework for liquid hydrogen storage tanks in UAVs: Thermal performance validation and structural integrity assessment	150
A novel two-step Ru/Al2O3 catalyst impregnation method for CO selective methanation	149
Design and performance analyses of graphene-nano plasmonic devices for wireless gas sensor applications	149
Synthesis and characterization of Sm0.5Sr0.5CoO3-δ nanofibers as cathodes for intermediate-temperature solid oxide fuel cells	149
Tuning the micro- and nano-structure of porous α-Fe2O3 nanosheets for high-efficient hydrogen detection	148
A method for predicting long-term degradation of fuel cells: Wavelet-linear enhanced neural network	148
Tailored anchoring of FeNiOx on carbon nanotubes to enhance local electric field for boosting overall water splitting	147
Pressure-regulated hydrogen dissociation process on α-Fe (110) surfaces: A GCMC - coupled reactive molecular dynamics investigation	147
Effects of stagnation temperature on hysteresis in flame stabilization in a hydrogen-fueled strut-stabilized supersonic combustor	147
Design of Cu-containing (Pr,Ba)FeO3-based perovskite electrodes for protonic ceramic electrochemical cells	146
Environmental remediation through tandem hydrogenolysis of polyethylene and H2 evolution over butterfly shaped MoO3@RuO2 heterostructures	145
Electroactive biofilm inhibition by sinusoidal voltage to hinder electron transfer in CO2 methanogenesis	145
Influences of Ni/CeO2 morphologies on steam reforming for acetic acid-a model compound of bio-oil	144
Photoproduction of Hydroxyl Radicals Under Sunlight by Fe-Zn Oxides for Partial Oxidation Applications	144
Porous heterojunction CoSe2–MoSe2 nanosheet arrays for electrocatalytic oxygen evolution	144
Hydrogen bubble management in planarly confined aqueous electrolyte: Fundamental factors for scale-up reactor design	143
Optimal design of a hydrogen tube skid for stable charging, storage, and discharging	142
Experimental investigation of anode flow channel obstacles on PEMEC performance and two-phase flow distribution characteristics	142
Synthesis and characterization of cross-linked polymer with sulfonylimide group via UV-radical polymerization for PEMFC	140
Optimization of SOFC combined steam and power system utilizing by-product hydrogen	140
Characterization of fatigue crack of hydrogen-charged austenitic stainless steel by electromagnetic and ultrasonic techniques	140
Self-supporting nano array CoP/CP catalysts towards alkaline hydrogen evolution reaction	139
Experimental study and performance optimization of hydrogen production in a structured millichannel reactor via methanol steam reforming	138
Quantifying porous transport Layer–Catalyst layer stress distribution for proton-exchange-membrane water electrolyzers using Finite element analysis	138
Advanced Ru/Ti4O7 catalyst for Tolerating CO and H2S poisoning to hydrogen oxidation reaction	138
Analytical solution for fuel cell electric vehicle energy management including a long-term predefined velocity profile	136
In-situ dehydrogenation of lignin-based jet fuel: A novel and sustainable liquid organic hydrogen carrier	136
Synthesis of NiO/MgO/ZrO2 catalyst for syngas production from partial oxidation and dry reforming of biogas	136
Design of a circular-arc and variable-extended-cycloid rotor profile for hydrogen circulation pumps	136
Origin of hydrogen embrittlement in ferrite-martensite dual-phase steel	135
Wettability of water-H2-quartz and water-H2-calcite experiment and molecular dynamics simulations: Critical assessment	135