Record High Hydrogen Storage Capacity in the Metal-Organic Framework Ni2(m-dobdc) at Near-Ambient Temperatures

Published

November 27, 2018

Author(s)

Matthew T. Kapelewski, Tomce Runcevski, Jacob Daniel Tarver, Henry Z. H. Jiang, Katherine E. Hurst, Philip A. Parilla, Anthony Ayala, Thomas Gennett, Stephen A. FitzGerald, Craig Brown, Jeffrey R. Long

Abstract

H₂ provides promise as a clean automobile fuel, but storage typically requires high pressure to achieve reasonable driving ranges. Adsorption of H₂ in metal-organic frameworks is one of the most well-studied applications of this class of materials due to the opportunity to significantly reduce the required pressures for H₂ storage. Importantly, the measurement of hydrogen adsorption in MOFs under conditions most relevant to on-board storage is crucial to understanding how these materials perform in actual applications. In this work, several metal-organic frameworks that strongly interact with H₂ are evaluated for their usable volumetric H₂ storage capacities over a wide range of temperatures. It is found that Ni₂(m-dobdc) is the top-performing physisorptive storage material for H₂ storage under the studied conditions, with a volumetric usable capacity of 11.0 g/L between 100 and 5 bar at 25 °C. Further experiments using D₂-dosed neutron diffraction and in situ H₂-dosed infrared spectroscopy were used to probe the H₂ storage properties of these materials under the relevant conditions. Ideally, further studies in H₂ storage will benefit from the considerations outlined in this paper and, as a result , comparisons between materials can easily be made in the future to best evaluate H₂ storage materials.

Citation

Chemistry of Materials

Volume

30

Issue

22

Pub Type

Journals

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Keywords

hydrogen storage, neutron powder diffraction, crystallography, metal-organic framework

Citation

Kapelewski, M. , Runcevski, T. , Tarver, J. , Jiang, H. , Hurst, K. , Parilla, P. , Ayala, A. , Gennett, T. , FitzGerald, S. , Brown, C. and Long, J. (2018), Record High Hydrogen Storage Capacity in the Metal-Organic Framework Ni₂(m-dobdc) at Near-Ambient Temperatures, Chemistry of Materials, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=925465 (Accessed December 15, 2024)