Efficient preparation of highly hydrogenated graphene and its application as a high-performance anode material for lithium ion batteries.
Nanoscale
; 4(6): 2124-9, 2012 Mar 21.
Article
em En
| MEDLINE
| ID: mdl-22334350
ABSTRACT
A novel method has been developed to prepare hydrogenated graphene (HG) via a direct synchronized reduction and hydrogenation of graphene oxide (GO) in an aqueous suspension under (60)Co gamma ray irradiation at room temperature. GO can be reduced by the aqueous electrons (e(aq)(-)) while the hydrogenation takes place due to the hydrogen radicals formed in situ under irradiation. The maximum hydrogen content of the as-prepared highly hydrogenated graphene (HHG) is found to be 5.27 wt% with H/C = 0.76. The yield of the target product is on the gram scale. The as-prepared HHG also shows high performance as an anode material for lithium ion batteries.
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Base de dados:
MEDLINE
Assunto principal:
Fontes de Energia Elétrica
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Nanoestruturas
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Eletrodos
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Grafite
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Hidrogênio
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Lítio
Idioma:
En
Ano de publicação:
2012
Tipo de documento:
Article