Issue 57, 2015

Nitrogen-doped carbon decorated Li4Ti5O12 composites as anode materials for high performance lithium-ion batteries

Abstract

Nitrogen-doped carbon nanomaterials (NC), originating from melamine, decorated nano-Li4Ti5O12 composites (LTO/NC) have been prepared by simple high-energy ball milling with a further heat treatment under a nitrogen atmosphere. The as-prepared LTO/NC composites have a regular structure with a size of 300 to 500 nm. The optimum designed LTO/NC composites showed the best performance with a high rate capacity of 161.5 mA h gāˆ’1 at 1 C and showed excellent stability with 97.2% capacity retention after 100 cycles, as well as a remarkable rate capacity by maintaining 103 mA h gāˆ’1 of the capacity at 20 C. The composites also exhibited excellent performances because of the NC decoration, which enhanced the electrochemical reactivity and electronic conductivity. These results provide a facile, general, and cost-effective strategy for the synthesis of LTO composite anode materials for high-performance lithium-ion batteries.

Graphical abstract: Nitrogen-doped carbon decorated Li4Ti5O12 composites as anode materials for high performance lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
03 Apr 2015
Accepted
19 May 2015
First published
19 May 2015

RSC Adv., 2015,5, 46359-46365

Author version available

Nitrogen-doped carbon decorated Li4Ti5O12 composites as anode materials for high performance lithium-ion batteries

F. Wang, L. Luo, J. Du, L. Guo, B. Li and Y. Ding, RSC Adv., 2015, 5, 46359 DOI: 10.1039/C5RA05989E

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