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  1. Electrolysers - Energy System - IEA

    Sep 22, 2022 · Electrolysers, which use electricity to split water into hydrogen and oxygen, are a critical technology for producing low-emissions hydrogen from renewable or nuclear electricity.

  2. Hydrogen Production: Electrolysis | Department of Energy

    Electrolysis is the process of using electricity to split water into hydrogen and oxygen. This reaction takes place in a unit called an electrolyzer.

  3. Electrolysis - Wikipedia

    Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. The voltage that is needed for …

  4. What Are Electrolysers? - Discover Green Hydrogen

    Nov 18, 2025 · Electrolysers are at the heart of green hydrogen production. They are the devices that make it possible to split water into hydrogen and oxygen using electricity — a process …

  5. Electrolyzer: what it is, types, and common uses | Repsol

    Sep 11, 2023 · What is an electrolyzer? An electrolyzer is a device that, through the application of electricity, can separate water molecules into its two components: hydrogen and oxygen.

  6. Understanding Electrolysers: Alkaline, PEM, AEM, and SOEC

    Explore the types of electrolysers—Alkaline, PEM, AEM, and SOEC. Learn their unique features, advantages, and applications in hydrogen energy solutions.

  7. Types of Electrolysers | GFC Explains

    Jul 31, 2023 · During electrolysis, electricity is used to separate water into oxygen and hydrogen using electrolysers. 3 Electrolysers can be classified into three levels: cell, stack, and system.

  8. Electrolyser - an overview | ScienceDirect Topics

    In principle, any electric power generation source, e.g. PV, wind and other renewable energy sources, nuclear, even fossil fuel or biomass electric power plant can be connected to an …

  9. Introduction to Electrolysis, Electrolysers and Hydrogen …

    Nov 25, 2019 · Electrolysers not only produce hydrogen but also produce pure oxygen, which is a useful industrial gas. Water electrolysers produce oxygen for applications such as breathing …

  10. Electrolysis | Green Hydrogen Technologies | SFA (Oxford)

    Electrolysers use electricity to safely split water into oxygen and hydrogen on demand. The process is known as electrolysis and it eliminates the need to store hydrogen.

  11. Understanding Electrolyzers & Their Role in Green Energy

    Mar 4, 2025 · In this article, we will explore what electrolyzers are, how they work, and why they are essential in the pursuit of green energy. What is an Electrolyzer? An electrolyzer is a …

  12. What is an electrolyzer and what is it used for? | Accelera

    Feb 20, 2023 · Electrolyzers are mostly used to produce hydrogen gas. Hydrogen is essential for industrial processes, including ammonia production for fertilizers and fuel for fuel cell …

  13. Water electrolysers / hydrogen generators | Nel Hydrogen

    With 3,800+ electrolysers installed worldwide, Nel is a leader in both alkaline and PEM water electrolysis. Since 1927, our R&D-driven innovations have set industry benchmarks for …

  14. Electrolysis of water | TÜV NORD

    Compared to AEL and PEM electrolysers, it does not require any precious metal components. In HTE electrolysis for hydrogen production, the water vapour meets a solid oxide electrolysis …

  15. Different types of electrolysis: how to choose the best technology …

    Jun 24, 2025 · Green hydrogen splits water molecules, separating hydrogen from oxygen, using electrolysers. Since its byproduct is just oxygen, green hydrogen production has become vital …

  16. Electrolyzer | Key factor in green hydrogen production - Iberdrola

    What is an electrolyser and why is it key to green hydrogen supply? The electrolyser is an apparatus that produces hydrogen through a chemical process (electrolysis) capable of …

  17. Electrolysers – Hydrogen Industrialisation and Commercialisation ...

    Electrolysers are cutting-edge devices that use electricity to split water into hydrogen and oxygen through a process known as electrolysis.

  18. Electrolysers and the energy transition - Good New Energy

    Mar 25, 2025 · Electrolysers have become a key part of green hydrogen production. In this article we explain what they are, how they work and why they are key to the energy transition.

  19. Hydrogen Electrolyzers 101: Why They Matter for Sustainable Energy

    May 24, 2023 · Electrolyzers that use renewables to power their hydrogen production – like wind, solar, hydroelectric power, or certain biofuels – churn out emissions-free production of green …

  20. IDTechEx report reveals market for electrolyser components to …

    Dec 15, 2025 · An overview of the component market for electrolysers, set to exceed $10 billion by 2036. Image via IDTechEx The demand for green hydrogen is growing as more industries …

  21. Hydrogen Electrolyzer: Types, Uses and Key Advantages

    As more countries adopt policies towards clean economies, the installation of electrolysers will be a crucial tool to achieve decarbonisation objectives. The future of electrolysers looks promising.

  22. Decoding the A, B, C of electrolysers | Discover Green Hydrogen

    Jun 4, 2025 · Electrolyzers are mostly used to produce hydrogen gas. This gas is essential for industrial processes, including ammonia production for fertilizers and fuel for fuel cell …

  23. Electrolysers are the technology necessary to produce hydrogen using electricity and water as inputs. Electrolysis is a well-established technology that is deployed mostly in the chemical …

  24. Electric Hydrogen selected to supply 240MW of electrolysers to …

    6 days ago · US-based manufacturer Electric Hydrogen has been selected to supply 240MW of its advanced PEM electrolysers to developer Synergen Green Energy’s green hydrogen and …

  25. European Energy Expands Måde Facility to 8.1 MW

    2 days ago · European Energy ups hydrogen output with new 8.1 MW electrolysers at Måde, advancing Power-to-X technology in Denmark.

  26. Thyssenkrupp Nucera sees profits more than halve, amid …

    Dec 17, 2025 · Thyssenkrupp Nucera sees profits more than halve, amid ‘challenging situation’ for its green hydrogen business The company warns of flagging sales in the year ahead due to …

  27. RWE Initiates 100MW Lingen Green Hydrogen Commissioning

    1 day ago · RWE has begun commissioning the first 100MW phase of its 300MW Lingen electrolyser project, positioning it as Europe's largest green hydrogen facility.