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Issue 4, 2012
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Thermally modulated multilayered graphene oxide for hydrogen storage

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Abstract

We have obtained high pressure H2 isotherms with respect to the interlayer distance of multilayered graphene oxide (GO) modulated by thermal annealing. The maximum storage capacity is 4.8 (0.5) wt% at 77 K (298 K) and at 9.0 MPa pressure. We found the optimum GO interlayer distance for maximum H2 uptake at 6.5 Å, similar to the predicted distances from first-principles calculations for graphite materials. Our results reveal that multilayered GO can be a practical material of choice to allow the use of graphene as a hydrogen storage material, provided that only small amounts of O and OH functional groups exist as spacers on GO sheets.

Graphical abstract: Thermally modulated multilayered graphene oxide for hydrogen storage

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Supplementary files

Article information


Submitted
22 Nov 2011
Accepted
24 Nov 2011
First published
28 Nov 2011

Phys. Chem. Chem. Phys., 2012,14, 1480-1484
Article type
Paper

Thermally modulated multilayered graphene oxide for hydrogen storage

B. H. Kim, W. G. Hong, H. Y. Yu, Y. Han, S. M. Lee, S. J. Chang, H. R. Moon, Y. Jun and H. J. Kim, Phys. Chem. Chem. Phys., 2012, 14, 1480
DOI: 10.1039/C2CP23683D

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