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Preparation and electrochemical performance of Li4Ti5O12/carbon/carbon nano-tubes for lithium ion battery

โœ Scribed by Xing Li; Meizhen Qu; Yongjian Huai; Zuolong Yu

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
696 KB
Volume
55
Category
Article
ISSN
0013-4686

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โœฆ Synopsis

A Li 4 Ti 5 O 12 /carbon/carbon nano-tubes (Li 4 Ti 5 O 12 /C/CNTs) composite was synthesized by using a solidstate method. For comparison, a Li 4 Ti 5 O 12 /carbon (Li 4 Ti 5 O 12 /C) composite and a pristine Li 4 Ti 5 O 12 were also synthesized in the present study. The microstructure and morphology of the prepared samples are characterized by XRD and SEM. Electrochemical properties of the samples are evaluated by using galvanostatic discharge/charge tests and AC impedance spectroscopy. The results reveal that the Li 4 Ti 5 O 12 /C/CNTs composite exhibits the best rate capability and cycling stability among the samples of

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