Three-dimensional hierarchical self-supported multi-walled carbon nanotubes/tin(IV) disulfide nanosheets heterostructure electrodes for high power Li ion batteries

Title
Three-dimensional hierarchical self-supported multi-walled carbon nanotubes/tin(IV) disulfide nanosheets heterostructure electrodes for high power Li ion batteries
Authors
강진구이광희박경수김상옥이성준김동완박재관
Keywords
SnS2; MWCNT; hybridization; growth mechanism; Li ion battery
Issue Date
2012-05
Publisher
Journal of materials chemistry
Citation
VOL 22, NO 18, 9330-9337
Abstract
It is of great significance to improve the power density of Li ion batteries (LIBs) in pursuit of high-end products and technologies. Herein, we investigated the three-dimensional (3D) hierarchical self-supported multi-walled carbon nanotubes (MWCNTs)/tin(IV) disulfide nanosheets (SnS2 NS) heterostructured electrodes, demonstrating superior rate capabilities of 480 and 420 mAh g-1 even at the very high c-rates of 5C and 10C (charging in 6 min), respectively. The origins of the enhancement of the rate capabilities were discussed in detail by focusing on the roles of MWCNTs, which were directly grown on the metallic current collector. Furthermore, we have delicately dealt with the in-plane and plane-normal growth mechanisms of hexagonal SnS2 NS from the crystallographic point of view.
URI
http://pubs.kist.re.kr/handle/201004/42380
ISSN
09599428
Appears in Collections:
KIST Publication > Article
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE