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Title: Graphene based nanocomposites for alloy (SnO2), and conversion (Fe3O4) type efficient anodes for Li-ion battery applications
Authors: Mhamane, Dattakumar
Aravindan, Vanchiappan
Taneja, Divya
Suryawanshi, Anil
Game, Onkar
Srinivasan, Madhavi
Dept. of Physics
Keywords: Nano composites
Nano particles
Oxides Synergism Transmission
Electron microscopy (TEM)
Issue Date: Jun-2016
Publisher: Elsevier B.V.
Citation: Composites Science and Technology, 130, 88-95.
Abstract: Two types of trigol reduced one pot synthesized graphene (TRG) based nanocomposites (SnO2-TRG, and Fe3O4-TRG) are examined as potential anodes for Lithium ion battery (LIB) applications. The two specific systems represent different electrode reaction mechanisms, namely alloying, and conversion respectively. The high resolution transmission electron microscopy (HR-TEM) analysis confirms the uniform distribution of SnO2 (∼2 nm), and Fe3O4 (∼8 nm) particulates on ultrathin TRG nanosheets and highlights the importance of surfactant free synthesis. The SnO2-TRG, and Fe3O4-TRG exhibited the maximum reversible capacity of ∼947, and ∼1024 mA h g−1, respectively. The results show that such graphene based composite materials can be effectively used as prospective anodes for LIB applications.
ISSN: 0266-3538
Appears in Collections:JOURNAL ARTICLES

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