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Review

Graphene-based Membranes for H2 Separation: Recent Progress and Future Perspective

1
Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore 637141, Singapore
2
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
*
Author to whom correspondence should be addressed.
Membranes 2020, 10(11), 336; https://doi.org/10.3390/membranes10110336
Received: 10 October 2020 / Revised: 3 November 2020 / Accepted: 10 November 2020 / Published: 12 November 2020
(This article belongs to the Special Issue Membranes for Water, Gas and Ion Separation)
Hydrogen (H2) is an industrial gas that has showcased its importance in several well-known processes such as ammonia, methanol and steel productions, as well as in petrochemical industries. Besides, there is a growing interest in H2 production and purification owing to the global efforts to minimize the emission of greenhouse gases. Nevertheless, H2 which is produced synthetically is expected to contain other impurities and unreacted substituents (e.g., carbon dioxide, CO2; nitrogen, N2 and methane, CH4), such that subsequent purification steps are typically required for practical applications. In this context, membrane-based separation has attracted a vast amount of interest due to its desirable advantages over conventional separation processes, such as the ease of operation, low energy consumption and small plant footprint. Efforts have also been made for the development of high-performance membranes that can overcome the limitations of conventional polymer membranes. In particular, the studies on graphene-based membranes have been actively conducted most recently, showcasing outstanding H2-separation performances. This review focuses on the recent progress and potential challenges in graphene-based membranes for H2 purification. View Full-Text
Keywords: grapheme; membrane; H2 separation; permeability; selectivity; upper bound grapheme; membrane; H2 separation; permeability; selectivity; upper bound
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MDPI and ACS Style

Chuah, C.Y.; Lee, J.; Bae, T.-H. Graphene-based Membranes for H2 Separation: Recent Progress and Future Perspective. Membranes 2020, 10, 336. https://doi.org/10.3390/membranes10110336

AMA Style

Chuah CY, Lee J, Bae T-H. Graphene-based Membranes for H2 Separation: Recent Progress and Future Perspective. Membranes. 2020; 10(11):336. https://doi.org/10.3390/membranes10110336

Chicago/Turabian Style

Chuah, Chong Y., Jaewon Lee, and Tae-Hyun Bae. 2020. "Graphene-based Membranes for H2 Separation: Recent Progress and Future Perspective" Membranes 10, no. 11: 336. https://doi.org/10.3390/membranes10110336

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