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Journal of Materials Science
Erschienen in: Journal of Materials Science 10/2016

11.02.2016 | Original Paper

Graphene frameworks supported cobalt oxide with tunable morphologies for enhanced lithium storage behaviors

verfasst von: Sheng Han, Chi Wang, Yanshan Huang, Jianzhong Jiang, Yinjuan Huang, Zhixiao Xu, Dongqing Wu

Erschienen in: Journal of Materials Science | Ausgabe 10/2016

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Abstract

Three-dimensional hybrids of cobalt oxide (Co3O4) and graphene frameworks are fabricated via a facile hydrothermal self-assembly process. By adjusting the time of the hydrothermal treatment, the morphologies of the Co3O4 components can be modified from rods to nanoparticles, which further manifest influences on the electrochemical performance of the hybrids. As the anode in lithium-ion battery, the hybrid loaded with spherical Co3O4 nanoparticles exhibits the highest reversible capacity of 1148 mA h g−1 at 100 mA g−1 for 100 cycles among the three samples. Even at a high current density of 5000 mA g−1, its reversible capacity is still kept at 600 mA h g−1, outperforming the reported hybrids of Co3O4 and graphene.
Vorheriger Artikel A theoretical study of the stability of anionic defects in cubic ZrO2 at extreme conditions
Nächster Artikel Metallurgical characterization of coupled carbon diffusion and precipitation in dissimilar steel welds

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Metadaten
Titel
Graphene frameworks supported cobalt oxide with tunable morphologies for enhanced lithium storage behaviors
verfasst von
Sheng Han
Chi Wang
Yanshan Huang
Jianzhong Jiang
Yinjuan Huang
Zhixiao Xu
Dongqing Wu
Publikationsdatum
11.02.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 10/2016
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-016-9790-1

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