Donut-Shaped Li4Ti5O12 Structures as a High Performance Anode Material for Lithium Ion Batteries

Haridas, A K and Sharma, C S and Rao, T N (2015) Donut-Shaped Li4Ti5O12 Structures as a High Performance Anode Material for Lithium Ion Batteries. Small, 11 (3). pp. 290-294. ISSN 1613-6810

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Abstract

Lithium titanate (LTO) spinel 3D porous sub-micrometer donuts synthesized by combined sol-gel and electrospraying reveal a wall thickness of 200–250 nm with grain sizes in the range of 60–100 nm. Electrochemical testing of sub-micrometer donuts in half-cell mode exhibited a reversible specific capacity of 141 mAh/g even after 200 cycles of charging and discharging at 1C rate. The LTO structures with nanograins effectively reduce the Li ion diffusion path length, providing easy charge and discharge with good cyclability.

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IITH Creators:	IITH Creators ORCiD
Item Type:	Article
Uncontrolled Keywords:	lithium titanate; sol–gels; electrospray; sub-micrometer donuts; electrochemical testing
Subjects:	Chemical Engineering > Biochemical Engineering
Divisions:	Department of Chemical Engineering
Depositing User:	Team Library
Date Deposited:	27 Jan 2015 04:38
Last Modified:	02 Mar 2015 07:23
URI:	http://raiithold.iith.ac.in/id/eprint/1324
Publisher URL:	http://dx.doi.org/10.1002/smll.201303894
OA policy:	http://www.sherpa.ac.uk/romeo/issn/1613-6810/
Related URLs:	Google Scholar

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