High-capacity hydrogen storage by metallized graphene

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2008-07-01

Author

Ataca, C.
Akturk, E.
ÇIRACI, SALİM
Toffoli, Hande

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First- principles plane wave calculations predict that Li can be adsorbed on graphene forming a uniform and stable coverage on both sides. A significant part of the electronic charge of the Li 2s orbital is donated to graphene and is accommodated by its distorted pi*- bands. As a result, semimetallic graphene and semiconducting graphene ribbons change into good metals. It is even more remarkable that Li covered graphene can serve as a high- capacity hydrogen storage medium with each adsorbed Li absorbing up to four H2 molecules amounting to a gravimetric density of 12.8 wt %. (c) 2008 American Institute of Physics.

Subject Keywords

Physics and Astronomy (miscellaneous)

URI

https://hdl.handle.net/11511/38112

Journal

APPLIED PHYSICS LETTERS

DOI

https://doi.org/10.1063/1.2963976

Collections

Department of Physics, Article

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Citation Formats

C. Ataca, E. Akturk, S. ÇIRACI, and H. Toffoli, “High-capacity hydrogen storage by metallized graphene,” APPLIED PHYSICS LETTERS, pp. 0–0, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38112.