NDLI: Electrochemical characteristics of Li$_{4 − x }$Cu$_{ x }$Ti$_{5}$O$_{12}$ used as anode material for lithium-ion batteries

Content Provider	Springer Nature Link
Author	Wang, Jie Zhao, Hailei Yang, Qian Zhang, Tianhou Wang, Jing
Copyright Year	2012
Abstract	Cu-doped Li$_{4}$Ti$_{5}$O$_{12}$ (Li$_{4 − x }$Cu$_{ x }$Ti$_{5}$O$_{12}$) materials were synthesized by solid-state method. Cu-doping does not change the crystal structure of Li$_{4}$Ti$_{5}$O$_{12}$ material but increases its lattice constant. The particle size of Li$_{4 − x }$Cu$_{ x }$Ti$_{5}$O$_{12}$ powders decreases with increasing Cu-doping level. Cu-doping does not change the specific capacity at low current density, but can improve the cycling stability and the rate capability of Li$_{4}$Ti$_{5}$O$_{12}$ significantly. This is mainly attributed to the enhanced electronic and ionic conductivity and the decreased charge transfer resistance, caused by the increased specific surface area of active Li$_{4 − x }$Cu$_{ x }$Ti$_{5}$O$_{12}$ powders. The Li$_{3.8}$Cu$_{0.2}$Ti$_{5}$O$_{12}$ anode material exhibits the best cycling stability and rate capability.
Starting Page	415
Ending Page	419
Page Count	5
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	19
Issue Number	3
e-ISSN	18620760
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-07-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Li-ion batteries Electrodes Anodes Electrochemical characterizations Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Materials Science Chemical Engineering

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