Densified HKUST-1 monoliths as a route to high volumetric and gravimetric hydrogen storage capacity

David Gerard Madden*, Daniel O'Nolan, Nakul Rampal, Robin Babu, Ceren Çamur, Ali N. Al Shakhs, Shi Yuan Zhang, Graham A. Rance, Javier Perez, Nicola Pietro Maria Casati, Carlos Cuadrado-Collados, Denis O'Sullivan, Nicholas P. Rice, Thomas Gennett, Philip Parilla, Sarah Shulda, Katherine E. Hurst, Vitalie Stavila, Mark D. Allendorf, Joaquin Silvestre-AlberoAlexander C. Forse, Neil R. Champness, Karena W. Chapman, David Fairen-Jimenez

*Corresponding author for this work

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Abstract

We are currently witnessing the dawn of hydrogen (H2) economy, where H2 will soon become a primary fuel for heating, transportation, and long-distance and long-term energy storage. Among diverse possibilities, H2 can be stored as a pressurized gas, a cryogenic liquid, or a solid fuel via adsorption onto porous materials. Metal-organic frameworks (MOFs) have emerged as adsorbent materials with the highest theoretical H2 storage densities on both a volumetric and gravimetric basis. However, a critical bottleneck for the use of H2 as a transportation fuel has been the lack of densification methods capable of shaping MOFs into practical formulations while maintaining their adsorptive performance. Here, we report a high-throughput screening and deep analysis of a database of MOFs to find optimal materials, followed by the synthesis, characterization, and performance evaluation of an optimal monolithic MOF (monoMOF) for H2 storage. After densification, this monoMOF stores 46 g L-1 H2 at 50 bar and 77 K and delivers 41 and 42 g L-1 H2 at operating pressures of 25 and 50 bar, respectively, when deployed in a combined temperature-pressure (25-50 bar/77 K → 5 bar/160 K) swing gas delivery system. This performance represents up to an 80% reduction in the operating pressure requirements for delivering H2 gas when compared with benchmark materials and an 83% reduction compared to compressed H2 gas. Our findings represent a substantial step forward in the application of high-density materials for volumetric H2 storage applications.

Original languageEnglish
Pages (from-to)13729-13739
Number of pages11
JournalJournal of the American Chemical Society
Volume144
Issue number30
DOIs
Publication statusPublished - 25 Jul 2022

Bibliographical note

Funding Information:
D.F.-J. thanks the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (NanoMOFdeli), ERC-2016-COG 726380, Innovate UK (104384), and EPSRC IAA (IAA/RG85685). D.G.M. acknowledges the SFI-IRC Pathways award (21/PATH-S/9648) from Science Foundation Ireland and the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant Agreement No. 801165 (Project ID: MF20210297). J.S.A. would like to acknowledge the financial support from MINECO (PID2019-108453GB-C21 and PCI2020-111968). N.R.C. thanks the Engineering and Physical Sciences Research Council, United Kingdom (EP/S002995/1), for support. This work was also supported by a UKRI Future Leaders Fellowship to A.C.F. (MR/T043024/1). M.D.A. and V.S. gratefully acknowledge research support from the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Office through the Hydrogen Storage Materials Advanced Research Consortium (HyMARC). Sandia National Laboratories is a multimission laboratory managed and operated by the National Technology and Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525. The authors acknowledge SOLEIL for the provision of the synchrotron radiation facility and the SWING beamline for access to the instrumentation (Project no. 20200126). N.R. acknowledges the support of the Cambridge International Scholarship and the Trinity Henry Barlow Scholarship (Honorary). We also thank Prof. Omar Farha (Northwestern University) and Prof. Donald Siegel (University of Michigan) for providing .cif files for NU-1500-Al and UMCM-9, respectively.

Publisher Copyright:
© 2022 American Chemical Society.

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry
  • Biochemistry
  • Colloid and Surface Chemistry

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