HYDROGEN ENERGY RESEARCH
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Hydrogen System Components T&E
Published 2025-06-16

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Hydrogen Energy Research
Scientific & Applied Engineering References

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Open-source Technology for Sustainable Opportunities (OTSO)

🟢 GA AusH2: Australia's Hydrogen Opportunities
🟢 CSIRO: Australia's Hydrogen Projects
🟢 BBC: Climate change: Four things you can do about your carbon footprint

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# Date Open-source Reference
08 Jun 2025 IET Research H2 PEMFC TEA Novel Approach to Flooding Fault Detection and Risk Assessment in PEM Fuel Cells Using Data-Driven Models
05 Jun 2025 Energy Conversion and Management H2 home system Optimization of hydrogen gas storage in PEM fuel cell mCHP system for residential applications using numerical and machine learning modeling
01 Jun 2025 MDPI H2 CH4 system Substituting Natural Gas with Hydrogen for Thermal Application in a Hard-to-Abate Industry: A Real Case Study
30 May 2025 IET H2 PV system Operational and Planning Strategy for Hydrogen Energy Storage in Distribution Networks Under Dynamic Transformer Capacity Expansion Scenarios
21 May 2025 MDPI H2 HRS LOHC system New Heavy-Duty Sampling System for Hydrogen Refuelling Stations—Comparison of Impact of Light-Duty Versus Heavy-Duty Sampling Techniques on Hydrogen Fuel Quality
26 Apr 2025 Chemical Engineering Journal H2 HRS LOHC system High-pressure, grid-independent hydrogen generation via chemical hydride hydrolysis: Demonstration and deployment strategies
25 Mar 2025 Nature H2 HRS LOHC system Sustainable mobility with renewable hydrogen: a framework for refueling station design and optimisation using liquid organic hydrogen carriers (LOHCs)
19 Mar 2025 MDPI H2 pipe system Effect of Hydrogen Co-Firing with Natural Gas on Thermal Efficiency and CO2 Emissions in Gas Turbine Power Plant
17 Mar 2025 International Journal of Fatigue H2 pipe system Comparison of low cycle fatigue data of X52 pipeline steel in air and gaseous hydrogen using conventional and hollow specimen
06 Mar 2025 MDPI H2 pump system Electrochemical Hydrogen Pump/Compressor in Single- and Double-Stage Regime
04 Mar 2025 ACS H2 sensor system Role of Technology Flexibility and Grid Coupling on Hydrogen Deployment in Net-Zero Energy Systems
19 Feb 2025 International Journal of Hydrogen Energy H2 sensor system Development of a rapid responsive conductive electrochemical sensor for sensitive hydrogen detection: Chitosan-based GO/Fe3O4/PANi hydrogel nanocomposite
12 Feb 2025 Case Studies in Thermal Engineering H2 10KW system Experimental investigation of a 10 kW photovoltaic power system and lithium battery energy storage system for off-grid electro-hydrogen coupling
08 Feb 2025 Energy Reports H2 Control strategy system Control strategy for hydrogen production system using HTO-based hybrid electrolyzers
24 Jan 2025 International Journal of Hydrogen Energy H2 Pipeline Steels Multi-stage monitoring of hydrogen systems for improved maintenance approaches: an extensive review
23 Jan 2025 MDPI H2 Integrated Plant Design Integrated Plant Design for Green Hydrogen Production and Power Generation in Photovoltaic Systems: Balancing Electrolyzer Sizing and Storage
09 Jan 2025 International Journal of Hydrogen Energy H2 Pipeline Steels A review of influence of hydrogen on fracture toughness and mechanical properties of gas transmission pipeline steels
31 Dec 2024 Journal of Engineering Research H2 PEMFC Solar Base Station Kuwait Hybrid solar PV/hydrogen fuel cell-based cellular base-stations in Kuwait
17 Dec 2024 MDPI H2 ARENA Test Evaluation Green Hydrogen Blending into the Tunisian Natural Gas Distributing System
02 Dec 2024 Journal of Power Sources H2 ARENA Test Evaluation Integration of hydrogen compressors and turbines into current and future hydrogen infrastructure
22 Jun 2024 ARENA-Horizon H2 ARENA Test Evaluation Denham Hydrogen Demonstration Project Construction and Commissioning Report
08 May 2024 NREL HyCReD H2 NREL Test Evaluation Hydrogen Component Reliability Database (HyCReD)
20 Mar 2024 TOPSOE H2 NREL Test Evaluation TOPSOE REACHES NEW MILESTONE: SOEC DEMO REVEALS STRONG RESULTS
05 Feb 2024 Rosen Group H2 Rosen Group Test Evaluation Hydrogen – Competence for a sustainable future
28 Jan 2022 NREL H2 NREL Test Evaluation Fuel Cell and Hydrogen Technology Validation
15 Jul 2021 HYSAFE H2 HYSAFE Test Evaluation H2 COMPONENT LEAK RATE QUANTIFICATION FOR SYSTEM RISK & RELIABILITY ASSESSMENT THROUGH QRA & PHM FRAMEWORKS

Dihydrogen & Heuristics

🟢 Atomic / Molar Mass
Atomic Mass (mole): Hydrogen 1.00784 u; Carbon 12.011 u; Oxygen 15.999 u
Molar Mass: Dihydrogen 2.01568 g/mole; Carbon 12.011 g/mole; Oxygen 31.998 g/mole

🟢 Dihydrogen Heuristics
42kWh Energy + 10kg H2O(l)→ 1kg H2(g) + 8kg O2(g) + 1kg H2O(g)
3kg H2(g) + 24kg O2(g) → 27kg H2O(l) + 100kWh Energy (LHV)
Light duty FCEV GH2 tank: 4-6kg H2(g)
Light duty FCEV: 1kg H2(g) / 100km
Basic filling flow rate: 1-2kg H2(g) / min
Fast filling flow rate: 14-21kg H2(g) / min
Cryogenic volumetric mass density: 70kg H2(l) / m3

🟢 STOICHIOMETRY - DIHYDROGEN / ALKANES
Hydrogen Evolution Reaction (HER): 2H2O(l) → 2H2(g) + O2(g) E0 = -1.229V

Gravimetric Energy Density HHV
H2 Phase Diagram
EU Copernicus
Acknowledgment of Country
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Harvard Reference Citation:
otso.com.au. (2025). Hydrogen Energy Research. [online] Available at: https://otso.com.au/ [Accessed 2025-06-16].