Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 9, Issue 4, Pages 697-702Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2006.11.001
Keywords
titania nanotubes; tin anode; lithium
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A new type of nanostructured titania nanotube supported tin anode was prepared for lithium ion batteries. The as-prepared titania nanotubes are in the anatase phase with diameters of about 12 nm. Tin nanoparticles are dramatically decorated on the titania nanotubes and have a particle size of about 10 nm. This new structure promises good retention of reversible capacity on cycling for lithium intercalation. By charge/discharge measurements, the reversible capacity of the titania nanotubes supported tin anode for lithiation and delithiation was found to be 312 mA h/g (cycled between 0.05 and 2.0 V) and 203 mA h/g (cycled between 0.05 and 1.3 V) after 50 cycles with around 100% columbic efficiency. (c) 2006 Elsevier B.V. All rights reserved.
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