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Hydrogen storage properties of mono- and bidentate MOF structured orotate complexes

Published online by Cambridge University Press:  10 January 2014

Zeynel Ozturk*
Affiliation:
Department of Chemical Engineering, Hitit University, 19030 Corum, Turkey
Dursun Ali Kose
Affiliation:
Department of Chemistry, Hitit University, 19030 Corum, Turkey
Abdurrahman Asan
Affiliation:
Department of Chemical Engineering, Hitit University, 19030 Corum, Turkey
Banu Ozturk*
Affiliation:
Department of Chemistry, Hitit University, 19030 Corum, Turkey
Omer Andac
Affiliation:
Department of Chemistry, Ondokuz Mayıs University, 55139 Samsun, Turkey
Goksel Ozkan
Affiliation:
Department of Chemical Engineering, Gazi University, 06520 Ankara, Turkey
*
a)Address all correspondence to this author. e-mail: zeynelozturk61@yahoo.com, zeynelozturk@hitit.edu.tr
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Abstract

One of the barriers for wide usage of hydrogen energy system is efficient storage. To store more hydrogen efficiently, physisorption is a choice among the others with high storage performance, reversibility, and lifecycles. Metal organic framework (MOF) structured organometallic orotate-Co(II) complexes could serve as sorbents which store hydrogen by physisorption. In this work, mono- and bidentate MOF structured orotate-Co(II) complexes are synthesized, characterized, and then investigated for hydrogen storage experimentally and theoretically. It is found that these compounds could store hydrogen. Especially, the monodentate complex could uptake hydrogen better than the other. Storage performances for mono- and bidentate complexes were 0.80 and 1.15 wt% at 77 K and approximately 80 bars experimentally, 1.03 and 1.16 wt% theoretically for the same conditions.

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Copyright
Copyright © Materials Research Society 2013 

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