An Overview of Different Water Electrolyzer Types for Hydrogen Production

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

Energies, 2024, vol. 17, issue 19, 1-20

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.

Keywords: hydrogen production; water electrolysis; electrolyzer types; electrolyzer materials; electrolyte; membrane technologies (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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