NDLI: Resynthesis of LiCo$_{1−x}$Mn$_{x}$O$_{2}$ as a cathode material for lithium secondary batteries

Content Provider	Springer Nature Link
Author	Kim, Soo Kyung Yang, Dong Hyo Sohn, Jeong Soo Jung, Yong Chan
Copyright Year	2012
Abstract	A recycling process involving chemical, mechanical, and electrochemical steps has been applied to recover cobalt from spent lithium ion batteries and resynthesize cathode active materials. LiCo$_{1−x}$Mn$_{x}$O$_{2}$ powders using Co salt including Mn from the leach liquor were resynthesized by solid-state reaction as cathode active materials. When the powder mixture with added Li salt was calcined at 950 °C for 8 hours, well crystallined LiCo$_{1−x}$Mn$_{x}$O$_{2}$ was successfully obtained. The LiCo$_{1−x}$Mn$_{x}$O$_{2}$ powders with a ratio of Co:Mn=10:1 has a discharge capacity of 156.3 mAh/g at a rate of 20 mA/g with no perceptible capacity loss, in sharp contrast to the pure LiCoO$_{2}$ as active materials. The resynthesized LiCo$_{1−x}$Mn$_{x}$O$_{2}$ was proven to have good characteristics as cathode active materials in charge/discharge capacity and cyclic performance.
Starting Page	321
Ending Page	326
Page Count	6
File Format	PDF
ISSN	15989623
Journal	Metals and Materials
Volume Number	18
Issue Number	2
e-ISSN	20054149
Language	English
Publisher	The Korean Institute of Metals and Materials
Publisher Date	2012-04-27
Publisher Place	Springer
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	energy storage materials recycling electrochemistry transmission electron microscopy spent lithium ion batteries Continuum Mechanics and Mechanics of Materials Characterization and Evaluation of Materials Engineering Thermodynamics, Heat and Mass Transfer Operating Procedures, Materials Treatment Metallic Materials Magnetism, Magnetic Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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