Vertically oriented MoS2 nanoflakes coated on 3D carbon nanotubes for next generation Li-ion batteries

Title
Vertically oriented MoS2 nanoflakes coated on 3D carbon nanotubes for next generation Li-ion batteries
Authors
황준연이원기Mumukshu D PatelEunho ChaNitin ChoudharyChiwon Kang최원봉
Keywords
Carbon Nanotube; Li battery; 3D structure; MoS2
Issue Date
2016-11
Publisher
Nanotechnology
Citation
VOL 27, NO 49-495401-10
Abstract
The advent of advanced electrode materials has led to performance enhancement of traditional lithium ion batteries (LIBs). We present novel binder-free MoS2 coated three-dimensional carbon nanotubes (3D CNTs) as an anode in LIBs. Scanning transmission electron microscopy analysis shows that vertically oriented MoS2 nanoflakes are strongly bonded to CNTs, which provide a high surface area and active electrochemical sites, and enhanced ion conductivity at the interface. The electrochemical performance shows a very high areal capacity of ~1.65 mAh cm− 2 with an areal density of ~0.35 mg cm− 2 at 0.5 C rate and coulombic efficiency of ~99% up to 50 cycles. The unique architecture of 3D CNTs– MoS2 is indicative to be a promising anode for next generation Li-ion batteries with high capacity and long cycle life.
URI
http://pubs.kist.re.kr/handle/201004/66492
ISSN
0957-4484
Appears in Collections:
KIST Publication > Article
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