An informative review article titled “Perspectives and State of the Art of Membrane Separation Technology as a Key Element in the Development of Hydrogen Economy,” has recently been published in the journal Membranes in the MDPI publication platform. The article is written by Prof. Olga Guerrero-Pérez from the University of Malaga (UMA), Spain, is dedicated to Prof. Moises A. Carreon of the Colorado School of Mines who recently passed away. Prof. Guerrero-Pérez previously collaborated with Prof. Carreon during her postdoctoral research at the University of Cincinnati where they worked together on the development of innovative inorganic materials for catalytic applications.

This insightful research work explores the critical role of membrane technologies in advancing the hydrogen economy, emphasizing their applications in hydrogen production, purification, and storage. The paper highlights key advancements in polymeric, metallic, and ceramic membranes, addressing their efficiency, sustainability, and challenges like cost and durability. The review provides a forward-looking perspective on how these technologies can support global decarbonization and clean energy goals to offer a valuable resource for researchers, policymakers, and industry leaders. The article is available for open access on the Membranes journal website and is part of the H2Excellence project activities.