OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Hydrogen Energy is 115. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Guest editorial for special issue on biohydrogen generation from lab to industry: Challenges and perspectives	1037
Performance improvement of magnesium-based hydrogen storage tanks by using carbon nanotubes addition and finned heat exchanger: Numerical simulation and experimental verification	550
Atomically dispersed ruthenium single-atom alloy catalysts enabling efficient iodide oxidation reaction electrolysis in acidic media	514
Experimental investigation on performance of hydrogen additions in natural gas combustion combined with CO2	501
Peat as a carbon source for non-platinum group metal oxygen electrocatalysts and AEMFC cathodes	479
Visible light-driven photothermal Au/Ag/TiO2 trihybrid plasmonic nanomaterial for synthetic fuel production	468
Development and justification of a hydrogen–in–oxygen combustion system using recirculation based on an experimental study	466
Structural and photoelectrochemical properties of fibrous silica-titania (FST) photocatalyst for water splitting	443
Intercomparison between LH2, LNG and pressurized NH3 dispersion using an adiabatic mixing approach	420
Ti–Fe mixed oxides as photocatalysts in the generation of hydrogen under UV-light irradiation	396
Study of increasing thermodynamic efficiency and hydrogen amount in the process of solid fuels and biomass gasification	387
Performance assessment of thermochemical CO2/H2O splitting in moving bed and fluidized bed reactors	385
Synthesis of methanethiol from CO2/H2S/H2 catalyzed by hollow nanospheres VS4 with high catalytic activity	342
Catalytic effects of FGO-Ni addition on the dehydrogenation properties of LiAlH4	341
Modulation the carrier separation mechanism of CdS photoanode: From vacancy to crystal phase transformation	338
Effects of hydrogen and methane anti-knocking characteristics on the efficiency and power output in argon power cycle engines	337
Experiments on the thermal activation of hydrogen release of NaBH4-sodalites characterized by IR- and MAS-NMR spectroscopy	317
Effect of gas injection mass flow rates on the thermal behavior in a cryogenic fuel storage tank	297
WITHDRAWN: Editorial hydrogen energy technology for future	288
Origin of the overall water splitting activity over Rh/Cr2O3@ anatase TiO2 following UV-pretreatment	285
Inhibition mechanism of aluminum hypophosphite inhibits aluminum dust explosions: Experimental and Reactive force field molecular dynamics simulations study	235
Robust alkaline stability of MOFs functionalized poly (aryl ether ketone) anion exchange membranes for hydrogen fuel cells	235
Effect of operation conditions on the structural and fatigue behaviors of hydrogen storage vessel in refueling station	234
Regulation of V for the phase transition of NiO to Ni0 to effectively boost hydrogen evolution reaction activity in electrocatalytic water splitting	231
Synergistic catalytic effect of fluorine coordination in defects engineered nitrogen-doped 3D-Hierarchical Zn polymer-derived carbon as efficient bifunctional electrocatalysts	228

In-situ dehydrogenation of lignin-based jet fuel: A novel and sustainable liquid organic hydrogen carrier	228
NiFeOOH deposition on various 3D electrode geometries to influence bubble dynamics under technical relevant alkaline water electrolysis conditions	227
Assessing the accuracy and replicability of water formation modeling in PEM fuel cells: A sensitivity analysis of key performance parameters using computational fluid dynamics	224
Tourist preferences for fuel cell vehicle rental: going green with hydrogen on the island of Tenerife	220
Fabrication of P-doped Co9S8/g-C3N4 heterojunction for excellent photocatalytic hydrogen evolution	208
Hydrogen charging and discharging studies on embedded cooling tube metal hydride reactor designed for fuel cell applications	208
Multiple-phases LaFeO3 decorated with sea-urchin-like Au nanoparticles for photoelectrochemical hydrogen generation from bio-ethanol and 1-butanol	208
Hydrogen gas dispersion studies for hydrogen fuel cell vessels I: Vent Mast releases	206
Pressure swing adsorption of Li exchange hierarchical X zeolite for pure hydrogen from binary gas mixture	200
Impacts of process parameters on diesel reforming via interpretable machine learning	199
Digital twins based on machine learning for optimal control of chemical looping hydrogen generation processes	197
Performance analysis of a combined cooling, heat, electricity and hydrogen plant powered by evacuated tube solar collectors	197
Photoreforming of model carbohydrate mixtures from pulping industry wastewaters	196
Energy and exergy analysis of an integrated system with solar methane cracking and co-electrolysis of CO2/H2O for efficient carbon management	195
Effects of steam feeding on microwave heating of cellulose with magnetite used as susceptor	191
State of health prognosis for polymer electrolyte membrane fuel cell based on principal component analysis and Gaussian process regression	188
Enhanced hydrogen storage performance of zinc and magnesium cobaltite nanocomposites	183
Crystal structure effects on the Co-sputtered p-type Fe2-xSnxO3 hydrogen gas sensors	179
Synthesis of modified, ordered mesoporous carbon-supported Pt3Cu catalyst for enhancing the oxygen reduction activity and durability	177
In situ growth of TiO2 and its immobilization on PVDF films for the adsorption and photocatalytic degradation of dye	177
Investigation into the explosion characteristics of hydrogen-ammonia mixture: Effect of ignition position	175
Hydrogen evolution reaction of ammonium borane at bimetal atoms supported by porous g-C3N4 surface: Mechanistic insights from theoretical studies	171
Guest editorial for the special issue hydrogen production based on papers selected from the 23rd world hydrogen energy conference (WHEC-2022)	171
Characteristics of photothermal transfer and biochemical reaction in up-flow direct absorption hydrogen reactor with embedded ribs	171
Editorial Board	169
Editorial Board	165
Editorial Board	164
Guest editorial for special issue EFC21	163
Coulombic interaction-based S-scheme heterojunction between amorphous calcium titanium oxide and protonated carbon nitride nanosheets for efficient solar hydrogen production	161
Thermodynamic modeling and optimal short-term scheduling of a green H2-fueled combined heat and power generation system for industrial zones	159
Metallic gallium: A liquid phase to destabilize nanoconfined LiBH4	158
A method for predicting long-term degradation of fuel cells: Wavelet-linear enhanced neural network	158
Co-doping of SiO2 and ZrO2 for the synthesis of energy-saving PbO2 anode material for trivalent chromium electroplating	157
Ti-substituted organosilica membranes for H2 sieving: Sol-gel and DFT insights	156
The fabrication of integrated proton exchange membrane fuel cells: Excellent mechanical strength and electrochemical performance	155
Empirical profiling of cold hydrogen plumes formed from venting of LH2 storage vessels	154
First principles study on strain effect of hydrogen diffusion and dissolution behavior in Ruthenium	154
Enhanced electrochemical hydrogen storage performance of titanate-based nanostructures synthesized by facile auto-combustion: Li2TiO3 nanostructures versus LaTiO3 nanoperovskites	153
Self-generated oxygen radical species accelerate the alkaline oxygen-evolving reaction	153
The influence of thermal treatment on recirculating two phase anaerobic digestion system	152
Whole system impacts of decarbonising transport with hydrogen: A Swedish case study	151
Influence of cobalt dopant in NiFe2-xCoxO4 (0≤x≤2) on electrochemical catalytic properties	151
Waste to hydrogen: Investigation of different loads of diesel engine exhaust gas	149
Observer-based decoupling control of air flow and pressure in fuel cell systems	148
Cost reduction strategy for microtubular solid oxide fuel cells: Integrating tape casting, isostatic pressing and co-sintering	147
Fluid secretion in rotating cylinder when flow impinge its surface and thermal analysis with energy dissipation: Polynomials based solution	143
N, P-codoped molybdenum carbide nanoparticles loaded into N, P-codoped graphene for the enhanced electrocatalytic hydrogen evolution	142
Nickel nanoparticle-decorated twinned crystal CdxZn1−xS for enhanced photocatalytic hydrogen production	141
Design and performance analyses of graphene-nano plasmonic devices for wireless gas sensor applications	140
Predicting hydrogen storage requirements through the natural gas market for a low-emission future	139

SnO2 as thin conformal layer over BiVO4 surface for enhanced charge carrier separation towards O2 evolution from water oxidation	139
Highly efficient catalytic derived synthesis process of carbon aerogel for hydrogen storage application	138
Ejector validation in proton exchange membrane fuel cells: A comparison of turbulence models in computational fluid dynamics (CFD) with experiment	138
Performance of Co–Cu bimetallic catalysts for catalytic syngas to produce higher alcohols: Influence of the preparation methods, CoCu ratios, and carriers	136
Production of Mg thin flakes with enhanced hydrogen storage performance	135
Thermodynamic and environmental analyses of a hydrogen-enriched natural gas oxy-fuel combustion power plant	135
Thermodynamic approach for hydrogen production from the steam reforming reaction of aromatic hydrocarbons (BTX)	134
VC@C composites derived from polyoxovanadate assisted by dicyandiamide as low-cost platinum-free counter electrode electrocatalyst for dye-sensitized solar cells	133
Numerical investigation of the leakage and diffusion characteristics of hydrogen-blended natural gas in long-distance pipelines	133
Operation characteristics and performance analysis of integrated power and hybrid cooling systems driven by PEM fuel cell	133
Green synthesis of gallic acid–capped gold nanoparticles as novel electro-catalyst for electro-oxidation of ethylene glycol in alkaline media	131
Solar-driven photocatalytic and photoelectrocatalytic hydrogen evolution reaction: Advances, challenges, and future directions	130
In situ evolved defective TiO2 as robust support for CoB-catalyzed hydrolysis of NaBH4	129
Carbon-catalyzed oxygen-mediated dehydrogenation of formaldehyde in alkaline solution for efficient hydrogen production	129
Hydrogen production by aqueous phase reforming over stable La-promoted Ni-based hydrotalcite catalysts	127
How to determine whether an electron transfer channel is type-II or S-scheme in g–C3N4–based photocatalysts? A critical review	127
The effect of jet disturbance on flame propagation characteristics of multi-component natural gas/hydrogen mixed fuel	127
Ni-doped Ba0.9Zr0.8Y0.2O3-δ as a methane dry reforming catalyst for direct CH4–CO2 solid oxide fuel cells	127
Effects of preparation methods on the size and interface of Ni–W bimetallic catalysts for dry reforming of methane	127
The effects of hydrogen enriched natural gas under different engine loads in a diesel engine	125
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	124
Effect of acid treatment on the physico-chemical properties of Nafion 117 membrane	123
Influence of vent size on characteristics of hydrogen explosion venting: Experimental investigation and numerical simulation	122
What determines the stability of Fe-N-C catalysts in HT-PEMFCs?	122
Mesoporous Ni–Pt nanoparticles on Ni foam by electrodeposition: Dual porosity for efficient alkaline hydrogen evolution	121
Template-free synthesis of 1D hollow Fe doped CoP nanoneedles as highly activity electrocatalysts for overall water splitting	121
Driver-personality-involved car-following energy management strategies for FCHEVs	121
Recent advances in efficient piezo-photocatalysis modulated by morphology and structure control	120
Predicting interfacial tension in brine-hydrogen/cushion gas systems under subsurface conditions: Implications for hydrogen geo-storage	120
A cold start-up method with combining chemical-looping combustion and catalytic combustion for a methanol reformer	119
From methane to hydrogen: A comprehensive review to assess the efficiency and potential of turquoise hydrogen technologies	119
Catalytically activated stainless steel plates for the dehydrogenation of perhydro dibenzyltoluene	119
Enhanced solar water splitting using a TiO2/In2S3 heterojunction coated with NiFe phosphide cocatalyst	119
Integrated experimental-computational approach to estimate TNT equivalence of hydrogen vessel bursts	118
Sustainable ammonia production from unused biomass: Green hydrogen generation and supply chain optimization in South Korea	118
Modeling of electrocatalytic hydrogen evolution via high voltage alkaline electrolyzer with different nano-electrocatalysts	117
Efficient hydrogen evolution from NaBH4 using bimetallic nanoparticles (Ni–Co) supported on recycled Zn–C battery electrolyte paste	117
Synergistic effects of ThO2 on g-C3N4/BiVO4 heterojunctions for enhanced photoelectrochemical (PEC) water splitting	116
The weakening effect of the inhibition of CO2 on the explosion of HCNG with the increase of hydrogen: Experimental and chemical kinetic research	116
Tailoring surface defects in exotic 2D ultrathin TiO2 nanosheets for improved photocatalysis and prospective water splitting applications	116
Unleashing the potential of NiO@V2CTx MXene-derived electrocatalyst for hydrogen and oxygen evolution	115