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An Overview of Different Water Electrolyzer Types for Hydrogen Production

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  • Mustafa Ergin Şahin

    (Department of Electrical and Electronics Engineering, Recep Tayyip Erdoğan University, Rize 53100, Turkey)

Abstract

While fossil fuels continue to be used and to increase air pollution across the world, hydrogen gas has been proposed as an alternative energy source and a carrier for the future by scientists. Water electrolysis is a renewable and sustainable chemical energy production method among other hydrogen production methods. Hydrogen production via water electrolysis is a popular and expensive method that meets the high energy requirements of most industrial electrolyzers. Scientists are investigating how to reduce the price of water electrolytes with different methods and materials. The electrolysis structure, equations and thermodynamics are first explored in this paper. Water electrolysis systems are mainly classified as high- and low-temperature electrolysis systems. Alkaline, PEM-type and solid oxide electrolyzers are well known today. These electrolyzer materials for electrode types, electrolyte solutions and membrane systems are investigated in this research. This research aims to shed light on the water electrolysis process and materials developments.

Suggested Citation

  • Mustafa Ergin Şahin, 2024. "An Overview of Different Water Electrolyzer Types for Hydrogen Production," Energies, MDPI, vol. 17(19), pages 1-20, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:19:p:4944-:d:1491342
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    References listed on IDEAS

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    1. Vincent, Immanuel & Bessarabov, Dmitri, 2018. "Low cost hydrogen production by anion exchange membrane electrolysis: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 1690-1704.
    2. repec:cdl:itsdav:qt48w7f7z2 is not listed on IDEAS
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    Cited by:

    1. Hamad Ahmed Al-Ali & Koji Tokimatsu, 2025. "Evaluating Freshwater, Desalinated Water, and Treated Brine as Water Feed for Hydrogen Production in Arid Regions," Energies, MDPI, vol. 18(15), pages 1-33, August.
    2. Arkadiusz Małek, 2025. "Low-Emission Hydrogen for Transport—A Technology Overview from Hydrogen Production to Its Use to Power Vehicles," Energies, MDPI, vol. 18(16), pages 1-32, August.

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