期刊
ENERGIES
卷 16, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/en16020943
关键词
green hydrogen; water electrolysis; anion exchange membrane; transition metal catalysts; durability; feeding solution
Green hydrogen, produced through CO2-neutral electrolysis with renewable electricity, is gaining attention. Anion Exchange Membrane Water Electrolysis (AEMWE) is an innovative technology that combines the advantages of Proton Exchange Membrane (PEM) and alkaline electrolysis, with the potential to overcome their drawbacks. This paper addresses the development of AEMWE technology, including membrane and catalyst research, stability improvement, and alternative feeding solutions for fresh water scarcity.
Green hydrogen production, i.e., produced on a CO2-neutral basis through the electrolysis of water employing renewable electricity, has attracted increasing attention. The electricity required is generated from Renewable Energy Sources (RES), for example, wind energy, hydropower, or solar energy. Since neither the process of production nor the end products of H-2 and O-2 are harmful to the environment, green hydrogen is climate neutral. Developing electrolysis technology is, therefore, a research topic to follow. Anion Exchange Membrane (AEM) Water Electrolysis (WE) is an innovative technology that couples the advantages of the more mature technologies of Proton Exchange Membrane (PEM) and conventional alkaline electrolysis, with the potential to eliminate the drawbacks of both. AEMWE technology is in an evolutionary stage and involves more investigation on several research topics, such as membrane and catalyst development and stability, as well as alternative feeding solutions that do not compromise the availability of fresh water. These topics are addressed in this paper, mentioning the state-of-the-art materials, new promising ones, and providing future research directions to improve AEMWE towards a most mature technology.
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