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Research papers on Green hydrogen

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  3. Hydrogen energy systems: A critical review of technologies, applications, trends and challenges

    Meiling Yue, Hugo Lambert, Elodie Pahon, et al. · 2021 · Renewable and Sustainable Energy Reviews · 2,295 citations

    The global energy transition towards a carbon neutral society requires a profound transformation of electricity generation and consumption, as well as of electric power systems. Hydrogen has an important potential to accelerate the process of scaling up clean and renewable energy, however its integration in power systems remains little studied. This paper reviews the current progress and outlook of hydrogen technologies and their application in power systems for hydrogen production, re-electrification and storage. The characteristics of electrolysers and fuel cells are demonstrated with experimental data and the deployments of hydrogen for energy storage, power-to-gas, co- and tri-generation

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  4. Hydrogen production by PEM water electrolysis – A review

    S. Shiva Kumar, V. Himabindu · 2019 · Materials Science for Energy Technologies · 2,125 citations

    Hydrogen is the most efficient energy carrier. Hydrogen can be obtained from different sources of raw materials including water. Among many hydrogen production methods, eco-friendly and high purity of hydrogen can be obtained by water electrolysis. However, In terms of sustainability and environmental impact, PEM water electrolysis was considered as most promising techniques for high pure efficient hydrogen production from renewable energy sources and emits only oxygen as byproduct without any carbon emissions. Moreover, the produced hydrogen (H 2 ) and oxygen (O 2 ) directly used for fuel cell and industrial applications. However, overall water splitting resulting in only 4% of global indus

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  10. Hydrogen Production. Green Algae as a Source of Energy

    Anastasios Melis, Thomas Happe · 2001 · PLANT PHYSIOLOGY · 622 citations

    Hydrogen gas is thought to be the ideal fuel for a world in which air pollution has been alleviated, global warming has been arrested, and the environment has been protected in an economically sustainable manner. Hydrogen and electricity could team to provide attractive options in transportation and power generation. Interconversion between these two forms of energy suggests on-site utilization of hydrogen to generate electricity, with the electrical power grid serving in energy transportation, distribution utilization, and hydrogen regeneration as needed. A challenging problem in establishing H(2) as a source of energy for the future is the renewable and environmentally friendly generation

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  11. Hydrogen Production, Distribution, Storage and Power Conversion in a Hydrogen Economy - A Technology Review

    Bernard Chukwudi Tashie-Lewis, Somtochukwu Godfrey Nnabuife · 2021 · Chemical Engineering Journal Advances · 597 citations

    To meet ambitious targets for greenhouse gas emissions reduction in the 2035-2050 timeframe, hydrogen has been identified as a clean “green” fuel of interest. In comparison to fossil fuel use the burning of hydrogen results in zero CO2 emissions and it can be obtained from renewable energy sources. In addition to zero CO2 emissions, hydrogen has several other attractive properties such as higher gravimetric energy content and wider flammability limits than most fossil fuels. However, there are practical limitations to its widespread use at present which include low volumetric energy density in the gaseous state and high well-to-wheel costs when compared to fossil fuel production and distribu

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  13. Green hydrogen energy production: current status and potential

    Ali O M Maka, Mubbashar Mehmood · 2024 · Clean Energy · 145 citations

    Abstract The technique of producing hydrogen by utilizing green and renewable energy sources is called green hydrogen production. Therefore, by implementing this technique, hydrogen will become a sustainable and clean energy source by lowering greenhouse gas emissions and reducing our reliance on fossil fuels. The key benefit of producing green hydrogen by utilizing green energy is that no harmful pollutants or greenhouse gases are directly released throughout the process. Hence, to guarantee all of the environmental advantages, it is crucial to consider the entire hydrogen supply chain, involving storage, transportation and end users. Hydrogen is a promising clean energy s

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  17. Techno-economic assessment of green hydrogen production via PEM electrolysis and integrated water treatment using hydropower energy

    Ervin Dwi Saputro, Firman Bagja Juangsa · 2025 · Clean Energy · 10 citations

    Abstract Hydrogen is an emerging renewable energy source that plays a crucial role in the transition toward reducing carbon emissions. Despite growing global demand, green hydrogen, produced via water electrolysis using renewable energy, accounts for only 0.1% of total hydrogen output. This study investigates green hydrogen production via proton exchange membrane (PEM) electrolysis using both energy and feedwater sourced from the Musi Hydropower Plant in Indonesia. A 2 MW PEM electrolyzer system was modeled in Aspen Plus, while a water treatment system combining ultrafiltration and reverse osmosis was simulated using WAVE software to ensure water quality compliance standard

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  18. Green villages by Wind + Solar + Hydrogen

    Kevin Kendall, Fellow of the Royal Society · 2024 · Clean Energy Science and Technology · 4 citations

    This paper describes 5 steps on the move to cost-effective green villages, powered mainly by Solar, Wind and Hydrogen. In Britain, there are around 6000 villages comprising almost half the total population. These village dwellers wish to reduce their expensive energy bills, achievable by profitably going green with local Wind and Solar generation of electricity plus Hydrogen energy storage. The first step is to measure the total energy usage in the village. This defines the size of the required renewable private wire energy installations. The second step calculates savings on grid bills for electricity, natural gas and petroleum transport products, to ensure rapid payback for the renewables

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  19. Transition metal dichalcogenides-based electrocatalysts for green hydrogen production via water electrolysis: Design principles and modulation strategies

    Dai Zhang, Ying Guo · 2025 · Clean Energy Science and Technology · 2 citations

    The development of renewable energy-powered water electrolysis technology serves as a crucial prerequisite for realizing the large-scale application of hydrogen economy. Currently, commercial catalysts for water electrolysis predominantly rely on platinum-group noble metals, whose scarcity and exorbitant costs significantly hinder practical implementation of hydrogen production through water splitting. As promising alternatives to noble metal catalysts, transition metal dichalcogenides (TMDs) have attracted considerable research attention due to their high intrinsic catalytic activity and cost-effectiveness. Nevertheless, the catalytic performance of TMDs still lags behind that of noble meta

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  20. Production of Green Hydrogen: A sustainable Pathway toward Clean Energy

    Baha Elzaki, Neida Abdallah Abdelgawi, Badraldeen Gaffar Sulfab · 2026 · Conclusions in Engineering

    The production of green hydrogen is a promising sustainable pathway toward clean energy, offering a carbon-free alternative to conventional fuels. This study utilizes Aspen HYSYS simulation to analyze the mass and energy balance, entropy changes, and the effects of key process variables on the efficiency of hydrogen production via electrolysis. The simulation results demonstrate the impact of temperature on entropy, revealing that higher temperatures lead to increased entropy and energy losses. Additionally, the molar flow of reactants significantly influences reactor efficiency and hydrogen yield. The molar concentration of potassium hydroxide (KOH), used as an electrolyte, enhanced hydroge

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