In situ prepared V2O5/graphene hybrid as a superior cathode material for lithium-ion batteries

Mateti, Srikanth, Rahman, Md Mokhlesur, Li, Lu Hua, Cai, Qiran and Chen, Ying 2016, In situ prepared V2O5/graphene hybrid as a superior cathode material for lithium-ion batteries, RSC advances, vol. 6, no. 42, pp. 35287-35294, doi: 10.1039/c6ra04871d.

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Title In situ prepared V2O5/graphene hybrid as a superior cathode material for lithium-ion batteries
Author(s) Mateti, SrikanthORCID iD for Mateti, Srikanth
Rahman, Md MokhlesurORCID iD for Rahman, Md Mokhlesur
Li, Lu HuaORCID iD for Li, Lu Hua
Cai, Qiran
Chen, YingORCID iD for Chen, Ying
Journal name RSC advances
Volume number 6
Issue number 42
Start page 35287
End page 35294
Total pages 8
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2016
ISSN 2046-2069
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Summary Developing synthetic methods for graphene based cathode materials, with low cost and in an environmentally friendly way, is necessary for industrial production. Although the precursor of graphene is abundant on the earth, the most common precursor of graphene is graphene oxide (GO), and it needs many steps and reagents for transformation to graphite. The traditional approach for the synthesis of GO needs many chemicals, thus leading to a high cost for production and potentially great amounts of damage to the environment. In this study, we develop a simple wet ball-milling method to construct a V2O5/graphene hybrid structure in which nanometre-sized V2O5 particles/aggregates are well embedded and uniformly dispersed into the crumpled and flexible graphene sheets generated by in situ conversion of bulk graphite. The combination of V2O5 nanoparticles/aggregates and in situ graphene leads the hybrid to exhibit a markedly enhanced discharge capacity, excellent rate capability, and good cycling stability. This study suggests that nanostructured metal oxide electrodes integrated with graphene can address the poor cycling issues of electrode materials that suffer from low electronic and ionic conductivities. This simple wet ball-milling method can potentially be used to prepare various graphene based hybrid electrodes for large scale energy storage applications.
Language eng
DOI 10.1039/c6ra04871d
Field of Research 100708 Nanomaterials
Socio Economic Objective 850699 Energy Storage
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Royal Society of Chemistry
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