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Research papers on Green hydrogen

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  3. Green hydrogen energy production: current status and potential

    Ali O M Maka, Mubbashar Mehmood · 2024 · Clean Energy · 151 citations

    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 source and targets plan path

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

    Li-Rong Zhang, Fang Qi, Rui Ren, et al. · 2025 · Research · 79 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

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  7. 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 · 35 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

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

    C. D., M. Channappagoudra, Sikata Samantaray, et al. · 2025 · Reviews in Inorganic Chemistry · 30 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

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

    Noluntu Dyantyi-Gwanya, S. Giwa, T. Ncanywa, et al. · 2025 · Sustainability · 21 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

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  12. Solar‐Driven Atmospheric Water Production Through Hierarchically Ordered Porous Carbon for Self‐Sustaining Green Hydrogen Production

    Bo Fu, Ji-Fang Zhang, Neil Robinson, et al. · 2025 · Advanced Materials (Deerfield Beach, Fla.) · 17 citations

    Green hydrogen production by proton exchange membrane water electrolysis (PEMWE) powered by clean energy is a promising and environmentally friendly technology. However, it relies on a high‐purity water source, which is limited in regions facing water scarcity. Here, a coupled self‐sustaining solar‐enabled system is reported that couples atmospheric water harvesting with PEM water electrolysis (AWH‐PEMWE), offering a novel pathway for clean water generation and green hydrogen production. The atmospheric water harvester (AWH) component utilizes N and O co‐doped hydrophilic ordered porous carbon, engineered with an interconnected hierarchical porous structure with prosperous channels for effic

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

    T. Ariztía, Tomás Undurraga · 2025 · Journal of Cultural Economy · 14 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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  15. 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 · 14 citations

    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 standards for PEM electrolysis. The

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  16. Hydrogen production in Australia from renewable energy: no doubt green and clean, but is it mean?

    Tina Soliman Hunter, Kerryn Anne Brent, Alexandra S. Wawryk, et al. · 2023 · Journal of Energy & Natural Resources Law · 9 citations

    The energy transition necessitates hydrogen generation to meet current energy needs. Low-carbon hydrogen (green hydrogen from renewable energy, and blue hydrogen from gas with CO2 removal and storage) is touted as a replacement, with most authors recognising the ‘green’ credentials of hydrogen. However, this paper examines the impact of hydrogen generation on water resources in the driest inhabited country on Earth – Australia. After analysing water use, the paper then undertakes a detailed analysis of the Australian Certificate of Origin Scheme. The paper concludes that competition over water will need to be considered in both project approvals and certification schemes.

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  17. Optimal Hydrogen Electrolyzer Sizing to Maximize Solar Energy Utilization and Green Hydrogen Production: A New Approach

    Ahmed Babiker, A. Al-Awami, F. Al-Ismail · 2025 · 2025 IEEE Industry Applications Society Annual Meeting (IAS) · 7 citations

    To achieve zero carbon emissions, green hydrogen produces through water electrolysis using renewable energy has recognized as one of the most sustainable solutions. Green hydrogen has contributed to decreasing carbon emissions by providing a clean alternative to fossil fuels in a variety of industries applications including power generation and transportation. However, determining the optimal sizing of electrolyzers remains a significant challenge, particularly when aiming to maximize the utilization of available renewable energy resources (RES) and minimizing energy curtailment. This study proposes an optimization approach using a mixed-integer linear programming (MILP) model to determine t

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  18. Pathways to green hydrogen production as a sustainable energy solution in Kenya by 2040

    Joab Odhiambo, R. Ngugi, E. Onsomu, et al. · 2025 · Discover Energy · 6 citations

    Given the Kenyan challenges in energy availability, accessibility, and affordability, exploring green hydrogen as a sustainable energy solution is supreme. This study aimed to assess the potential of green hydrogen production, a transformative clean energy technology, and its implications for Kenya's future energy. The specific objectives were to identify the drivers of change that could accelerate green hydrogen adoption and policy recommendations. The study employed a scenario planning approach, focusing on four key steps: defining the scenario and time horizon, identifying drivers of change, and developing and applying scenarios. The diffusion of innovation theory guided the study. Twelve

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  19. 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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  20. Exploring green hydrogen production from the Jebba Hydropower Station for Nigeria's clean energy transition

    Emmanuel Olorunyomi Aremu, Agnidé Emmanuel Lawin, David Olatunde Olukanni, et al. · 2025 · Journal of Water and Climate Change · 3 citations

    ABSTRACT Green hydrogen (GH2) production from hydroelectricity could enhance clean energy transition. However, hydroclimatic variability could impact the hydropower generation and reliability of GH2 production. To evaluate this opportunity, we use statistical analysis methods to (i) analyze trends and correlations in Jebba dam's hydroclimatic variables and energy generation, (ii) translate the annual and quarterly energy generation into hydrogen using five scenarios, (iii) estimate the re-electrification potential, and (iv) quantify the amount of petrol that could be replaced, and the CO2 and CO emissions that would be prevented. The trend analysis shows that hydropower generation has increa

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  22. A Multicriteria Decision Analysis With Fuzzy‐AHP of Renewable Energy Pathways for Green Hydrogen Production in Remote Egyptian Regions

    M. O. Atallah, Abdullah M. Elsayed, Mohammed H. Alqahtani, et al. · 2025 · International Journal of Energy Research · 2 citations

    The transition from fossil fuels to clean energy is a global priority to combat climate change, energy insecurity, and environmental degradation, with green hydrogen from renewable sources emerging as a promising and carbon‐free energy carrier. This study presents a comprehensive technoeconomic and environmental assessment of renewable energy–based hydrogen production systems, focusing on the coastal region of Marsa Matrouh, Egypt. In this regard, a fuzzy analytical hierarchy process (F‐AHP) integrated with multicriteria decision analysis (MCDA) is applied using four key criteria: commercial potential of hydrogen production, environmental impact of carbon dioxide (CO2) mitigation, economic b

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  23. 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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  24. Renewable Energy-Based Micro-Grid for Clean Electricity and Green Hydrogen Production

    Issa Zaiter, Ahmad Turki Mayyas, Ra’ed M. Jaradat · 2025 · International Conference on Operations Research and Enterprise Systems · 1 citations

    : The expected rise in hydrogen use offers a chance to speed up the decarbonization of the power generation sector. In this study, a linear programming optimization model is developed to determine the optimal technology capacity for a power and hydrogen production system driven by 100% renewable energy serving 25,000 capita with a total annual power demand of 532 GWh and an annual hydrogen demand of 5255 tons. The model aims to identify the optimal capacities of renewable energy sources and energy storage technologies to minimize system costs while meeting the demand for electricity and hydrogen. The results show the optimal system includes 59 MW of wind turbines, 630 MW of solar PV panels,

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