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Synthesis and electrochemical performance of Bi2WO6/graphene composite as anode material for lithium-ion batteries.
- Source :
-
Materials Letters . Feb2015, Vol. 141, p88-91. 4p. - Publication Year :
- 2015
-
Abstract
- A Bi 2 WO 6 /graphene composite synthesized by sol–gel and sintering processes was investigated as anode material for Li-ion batteries. The morphology and structure of the products were analyzed by SEM, TEM, and XRD. The electrochemical performance of Bi 2 WO 6 /graphene composite was investigated by the galvanostatic charge/discharge method, cyclic voltammetry and electrochemical impedance spectroscopy. Results showed that the first cycle of the reversible specific capacity of Bi 2 WO 6 /graphene composite reached 697.1 mA h g −1 at 50 mA g −1 . Charge/discharge cycling study indicated that the Bi 2 WO 6 /graphene composite had excellent cycling stability and superior rate capability. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 141
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 100290919
- Full Text :
- https://doi.org/10.1016/j.matlet.2014.11.041