Hollow carbon cage with nanocapsules of graphitic shell/nickel core as an anode material for high rate lithium ion batteries

Zhou, Guangmin, Wang, Da-Wei, Shan, Xuyi, Li, Na, Li, Feng and Cheng, Hui-Ming (2012) Hollow carbon cage with nanocapsules of graphitic shell/nickel core as an anode material for high rate lithium ion batteries. Journal of Materials Chemistry, 22 22: 11252-11256. doi:10.1039/c2jm31421e


Author Zhou, Guangmin
Wang, Da-Wei
Shan, Xuyi
Li, Na
Li, Feng
Cheng, Hui-Ming
Title Hollow carbon cage with nanocapsules of graphitic shell/nickel core as an anode material for high rate lithium ion batteries
Journal name Journal of Materials Chemistry   Check publisher's open access policy
ISSN 0959-9428
1364-5501
Publication date 2012
Sub-type Article (original research)
DOI 10.1039/c2jm31421e
Open Access Status Not Open Access
Volume 22
Issue 22
Start page 11252
End page 11256
Total pages 5
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Collection year 2013
Language eng
Formatted abstract
Hollow carbon cages (HCCs) with high electrical conductivity were developed by a spray drying–catalytic graphitization–activation process as anode materials for high power lithium ion batteries. The HCC anode has a high reversible capacity of 1135 mA h g−1 at 50 mA g−1, excellent cyclic stability without capacity degradation over 100 cycles at a current density of 500 mA g−1, and an ultrafast charge/discharge rate of less than 2 min with a high capacity of 163 mA h g−1, which are attributed to the unique structure of the hollow cores, the high porosity, and electrically conductive nickel nanoparticles and the graphitic layers produced by the carbothermal reduction of nickel hydroxide and the low-temperature catalytic graphitization.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Tue, 05 Jun 2012, 08:30:51 EST by Lucy O'Brien on behalf of School of Chemistry & Molecular Biosciences