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Research papers on Green hydrogen

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  2. The role of hydrogen and fuel cells in the global energy system

    Iain Staffell, Daniel Scamman, Anthony Velazquez Abad, et al. · 2018 · Energy & Environmental Science · 3,928 citations

    Hydrogen has been ‘just around the corner’ for decades, but now offers serious alternatives for decarbonising global heat, power and transport.

  5. Renewable hydrogen production

    John A. Turner, G.M. Sverdrup, Margaret Mann, et al. · 2007 · International Journal of Energy Research · 1,021 citations

    The U.S. Department of Energy and the National Renewable Energy Laboratory are developing technologies to produce hydrogen from renewable, sustainable sources. A cost goal of $2.00–$3.00 kg−1 of hydrogen has been identified as the range at which delivered hydrogen becomes cost competitive with gasoline for passenger vehicles. Electrolysis of water is a standard commercial technology for producing hydrogen. Using wind and solar resources to produce the electricity for the process creates a renewable system. Biomass-to-hydrogen processes, including gasification, pyrolysis, and fermentation, are less well-developed technologies. These processes offer the possibility of producing hydrogen from e

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

    Anastasios Melis, Thomas Happe · 2001 · PLANT PHYSIOLOGY · 621 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

  11. Green hydrogen in Europe – A regional assessment: Substituting existing production with electrolysis powered by renewables

    Georgia Kakoulaki, Ioannis Kougias, N. Taylor, et al. · 2020 · Energy Conversion and Management · 580 citations

    The increasing ambition of climate targets creates a major role for hydrogen especially in achieving carbon-neutrality in sectors presently difficult to decarbonise. This work examines to what extent the currently carbon-intensive hydrogen production in Europe could be replaced by water electrolysis using electricity from renewable energy resources (RES) such as solar photovoltaic, onshore/offshore wind and hydropower (green hydrogen). The study assesses the technical potential of RES at regional and national levels considering environmental constraints, land use limitations and various techno-economic parameters. It estimates localised clean hydrogen production and examines the capacity to

  13. Green hydrogen energy production: current status and potential

    Ali O M Maka, Mubbashar Mehmood · 2024 · Clean Energy · 139 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 sour

  15. Recent Advances in Green Hydrogen Production by Electrolyzing Water with Anion-Exchange Membrane

    Lirong Zhang, Fang Qi, Rui Ren, et al. · 2025 · Research · 53 citations

    The development of clean and efficient renewable energy is of great strategic importance to realize green energy conversion and low-carbon growth. Hydrogen energy, as a renewable energy with “zero carbon emission”, can be efficiently converted into hydrogen energy and electric energy by electrolysis of water to hydrogen technology. Anion-exchange membrane water electrolysis (AEMWE), substantially advanced by nonprecious metal electrocatalysts, is among the most cost-effective and promising water electrolysis technologies, combining the advantages of proton exchange membranes with the proven technology of traditional alkaline water electrolysis and potentially eliminating the disadvantages of

  18. Transforming waste to energy: nanocatalyst innovations driving green hydrogen production

    C. D., M. Channappagoudra, S. Samantaray, et al. · 2025 · Reviews in Inorganic Chemistry · 25 citations

    Abstract The burgeoning global demand for energy, coupled with the pressing need to mitigate carbon emissions, underscores the necessity for clean and sustainable energy alternatives, with green hydrogen emerging as a pivotal energy vector. Among the promising avenues for the production of green hydrogen, nano-catalysts derived from waste materials are attracting considerable interest due to their capacity to diminish production costs and environmental ramifications while capitalizing on underutilized waste streams. Notwithstanding recent advancements, significant knowledge deficits remain concerning the catalytic mechanisms, established performance benchmarks, and thorough sustainability ev

  19. A Critical Review of Green Hydrogen Production by Electrolysis: From Technology and Modeling to Performance and Cost

    Rafika Louli, Stefan Giurgea, I. Salhi, et al. · 2025 · Energies · 20 citations

    As the world shifts toward a low-carbon future, green hydrogen has emerged as a critical pillar of the energy transition. It is produced using renewable energy to power water electrolysis, and it is a clean and flexible alternative to hydrogen made from fossil fuels. However it is still hard to roll out on a large scale because of technological limits, high costs, and the need for infrastructure. This review critically analyzes current electrolysis methods, including established systems like alkaline and PEM electrolyzers, as well as newly developed concepts such as AEMWE and SOWE. It discusses how they can be used in renewable energy systems, important techno-economic and durability problem

  20. Exploring Economic Expansion of Green Hydrogen Production in South Africa

    Noluntu Dyantyi-Gwanya, S. Giwa, T. Ncanywa, et al. · 2025 · Sustainability · 19 citations

    Hydrogen is a crucial energy carrier for the Clean Energy Sustainable Development Goals and the just transition to low/zero-carbon energy. As a top CO2-emitting country, hydrogen (especially green hydrogen) production in South Africa has gained momentum due to the availability of resources, such as solar energy, land, wind energy, platinum group metals (as catalysts for electrolysers), and water. However, the demand for green hydrogen in South Africa is insignificant, which implies that the majority of the production must be exported. Despite the positive developments, there are unclear matters, such as dependence on the national electricity grid for green hydrogen production and the cost of

  21. A brief review of hydrogen production technologies

    Yijun Zhang, Yiman Xiao, Siddig Abuelgasim, et al. · 2024 · Clean Energy Science and Technology · 19 citations

    As a result of the array of problems arising from the use of fossil fuels, it is necessary to develop and optimize alternative energy technologies. Despite hydrogen being an ideal form of energy, its primary source is still fossil fuels via conventional methods. Therefore, several hydrogen-production resources and techniques have been investigated, providing feasibility for clean and effective hydrogen production. This paper provided a mini-review of hydrogen production technologies, including renewable energy, chemical looping, water electrolysis, photocatalysis, and plasma.

  24. Anticipating green hydrogen futures: exploring the socio-material production of a new clean fuel

    T. Ariztía, Tomás Undurraga · 2025 · Journal of Cultural Economy · 12 citations

    ABSTRACT This paper examines the enactment of green hydrogen futures in Chilean Patagonia. Complementing the literature on socio-technical imaginaries, we explore the role of anticipatory practices as a key means by which certain energy futures and technological interventions around green hydrogen (GH2) materialize, while other alternatives are discarded. We explore how, through these socio-material practices, the value of this new fuel is staged and dramatized. Drawing on ethnographic fieldwork, interviews, and secondary material, we empirically study two situations in which the green hydrogen futures are staged: GH2 technology fairs, and GH2 project prototypes and demonstrations. While the

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