Analysis of hydrogen storage in nanoporous materials for low carbon energy applications

Nuno Bimbo, Valeska P Ting, Anna Hruzewicz-Kolodziejczyk, Timothy J Mays

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A robust, simple methodology for analysis of isotherms for the adsorption of fluids above their critical temperature onto nanostructured materials is presented. The analysis of hydrogen adsorption in a metal-organic framework is used as an example to illustrate the methodology, which allows the estimation of the absolute adsorption into nanoporous systems. Further advantages of employing this analysis are that adsorption systems can be described using a small number of parameters, and that excess and absolute isotherms can be extrapolated and used to predict adsorption behaviour at higher pressures and over different temperature ranges. Thermodynamic calculations, using the exact Clapeyron equation and the Clausius-Clapeyron approximation applied to the example dataset, are presented and compared. Conventional compression of hydrogen and adsorptive storage are evaluated, with an illustration of the pressure ranges in which adsorption facilitates storage of greater volumes of hydrogen than normal compression in the same operating conditions.
Original languageEnglish
Pages (from-to)59-74
Number of pages16
JournalFaraday Discussions
Volume151
Early online date31 May 2011
DOIs
Publication statusPublished - 3 Aug 2011

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Hydrogen storage
Carbon
Adsorption
adsorption
carbon
hydrogen
Hydrogen
Isotherms
energy
isotherms
methodology
Nanostructured materials
critical temperature
Metals
Thermodynamics
Temperature
thermodynamics
Fluids
fluids
approximation

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Analysis of hydrogen storage in nanoporous materials for low carbon energy applications. / Bimbo, Nuno; Ting, Valeska P; Hruzewicz-Kolodziejczyk, Anna; Mays, Timothy J.

In: Faraday Discussions, Vol. 151, 03.08.2011, p. 59-74.

Research output: Contribution to journalArticle

Bimbo, Nuno ; Ting, Valeska P ; Hruzewicz-Kolodziejczyk, Anna ; Mays, Timothy J. / Analysis of hydrogen storage in nanoporous materials for low carbon energy applications. In: Faraday Discussions. 2011 ; Vol. 151. pp. 59-74.
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