NDLI: Microscale spherical carbon-coated Li4Ti5O12 as ultra high power anode material for lithium batteries

Content Provider	Royal Society of Chemistry (RSC)
Author	Amine, Khalil Jung, Hun-Gi Myung, Seung-Taek Yoon, Chong Seung Scrosati, Bruno Sun, Yang-Kook Oh, Kyu Hwan Son, Seoung-Bum
Copyright Year	2011
Abstract	Microscale C-Li4Ti5O12 particles with high tap density were synthesized by a simple solid-state reaction using TiO2, Li2CO3, and pitch. The effect of the carbon content on the physicochemical and electrochemical properties of this material was extensively studied. On calcination of the particles at high temperature in an inert atmosphere, the uniformly coated carbon layer from pitch inhibited the growth of primary particles, maintaining the spherical morphology, similar to the TiO2 precursor in size and shape, and also enabling partial reduction of the starting Ti4+ to Ti3+. Excellent electronic conductivity of the C-coated Li4Ti5O12 resulted from the presence of the highly conducting carbon coating layer and the mixed valence state of Ti3+ and Ti4+. Both the nanoporous morphology and highly conducting carbon coating layer in Li4Ti5O12 particles gave rise to ultra high rate capability.
Starting Page	1345
Ending Page	1351
Page Count	7
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	4
Issue Number	4
Journal	Energy & Environmental Science
DOI	10.1039/c0ee00620c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Lithium carbonate Carbon Electrochemistry Calcination
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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