Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 40, Pages 17139-17145Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta03907f
Keywords
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Funding
- National Science Foundation of China [11179038, 61106006, 61376011]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120211130005]
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The reduced graphene oxide/SnO2 (rGO/SnO2) composite was facilely synthesized via a modified colloidal coagulation method and a subsequent reduction. As an anode for lithium ion batteries, it delivers a high reversible capacity of 795 mA h g(-1) in the 600th cycle at a current density of 1000 mA g(-1). The excellent electrochemical performances are mainly due to its morphology stability and the reversible reaction between the formed Li2O and Sn to yield SnO2, as confirmed by XPS and TEM characterization after 200 cycles.
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