Nano-sized lithium manganese oxide dispersed on carbon nanotubes for energy storage applications

Title
Nano-sized lithium manganese oxide dispersed on carbon nanotubes for energy storage applications
Authors
마상복남경완윤원섭박성민Xiao-Qing Yang조병원김광범
Keywords
Batteries; Carbon nanotube; Lithium manganese oxide; Nanocomposite; Nanoparticle
Issue Date
2009-08
Publisher
Electrochemistry communications
Citation
VOL 11, NO 8, 1575-1578
Abstract
Nano-sized lithium manganese oxide (LMO) dispersed on carbon nanotubes (CNT) has been synthesized successfully via a microwave-assisted hydrothermal reaction at 200 C for 30 min using MnO2-coated CNT and an aqueous LiOH solution. The initial specific capacity is 99.4 mAh/g at a 1.6 C-rate, and is maintained at 99.1 mAh/g even at a 16 C-rate. The initial specific capacity is also maintained up to the 50th cycle to give 97% capacity retention. The LMO/CNT nanocomposite shows excellent power performance and good structural reversibility as an electrode material in energy storage systems, such as lithium-ion batteries and electrochemical capacitors. This synthetic strategy opens a new avenue for the effective and facile synthesis of lithium transition metal oxide/CNT nanocomposite.
URI
http://pubs.kist.re.kr/handle/201004/45550
ISSN
1388-2481
Appears in Collections:
KIST Publication > Article
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