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

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 MnO 2-coated CNT and an aqueous LiOH solution. The initial specific capacity is 99.4 mAh/g at a 1.6 C-rate, and is...

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Veröffentlicht in:Electrochemistry communications 2009-08, Vol.11 (8), p.1575-1578
Hauptverfasser: Ma, Sang-Bok, Nam, Kyung-Wan, Yoon, Won-Sub, Bak, Seong-Min, Yang, Xiao-Qing, Cho, Byung-Won, Kim, Kwang-Bum
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container_end_page 1578
container_issue 8
container_start_page 1575
container_title Electrochemistry communications
container_volume 11
creator Ma, Sang-Bok
Nam, Kyung-Wan
Yoon, Won-Sub
Bak, Seong-Min
Yang, Xiao-Qing
Cho, Byung-Won
Kim, Kwang-Bum
description 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 MnO 2-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.
doi_str_mv 10.1016/j.elecom.2009.05.058
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ispartof Electrochemistry communications, 2009-08, Vol.11 (8), p.1575-1578
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
Batteries
CAPACITORS
Capacitors. Resistors. Filters
CAPACITY
CARBON
Carbon nanotube
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
electrochemical capacitor
Electrochemical conversion: primary and secondary batteries, fuel cells
ELECTRODES
ENERGY STORAGE
ENERGY STORAGE SYSTEMS
Exact sciences and technology
hybrid capacitor
LITHIUM
Lithium manganese oxide
MANGANESE OXIDES
Nanocomposite
Nanoparticle
NANOTUBES
RETENTION
stabilized lithium metal powder
supercapacitor
SYNTHESIS
TRANSITION ELEMENTS
Various equipment and components
title Nano-sized lithium manganese oxide dispersed on carbon nanotubes for energy storage applications
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