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Issue 4, 2013
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Gram-scale, high-yield synthesis of a robust metal–organic framework for storing methane and other gases

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Abstract

We have synthesized and characterized a new metal–organic framework (MOF) material, NU-125, that, in the single-crystal limit, achieves a methane storage density at 58 bar (840 psi) and 298 K corresponding to 86% of that obtained with compressed natural gas tanks (CNG) used in vehicles today, when the latter are pressurized to 248 bar (3600 psi). More importantly, the deliverable capacity (58 bar to 5.8 bar) for NU-125 is 67% of the deliverable capacity of a CNG tank that starts at 248 bar. (For crystalline granules or powders, particle packing inefficiencies will yield densities and deliverable capacities lower than 86% and 67% of high-pressure CNG.) This material was synthesized in high yield on a gram-scale in a single-batch synthesis. Methane adsorption isotherms were measured over a wide pressure range (0.1–58 bar) and repeated over twelve cycles on the same sample, which showed no detectable degradation. Adsorption of CO2 and H2 over a broad range of pressures and temperatures are also reported and agree with our computational findings.

Graphical abstract: Gram-scale, high-yield synthesis of a robust metal–organic framework for storing methane and other gases

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Article information


Submitted
21 Sep 2012
Accepted
14 Feb 2013
First published
07 Mar 2013

Energy Environ. Sci., 2013,6, 1158-1163
Article type
Communication

Gram-scale, high-yield synthesis of a robust metal–organic framework for storing methane and other gases

C. E. Wilmer, O. K. Farha, T. Yildirim, I. Eryazici, V. Krungleviciute, A. A. Sarjeant, R. Q. Snurr and J. T. Hupp, Energy Environ. Sci., 2013, 6, 1158
DOI: 10.1039/C3EE24506C

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