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

Jin Gu Kang; Gwang Hee Lee; Kyung Soo Park; Sang Ok Kim; Sungjun Lee; Dong Wan Kim; Jae Gwan Park

doi:10.1039/c2jm16248b

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

Jin Gu Kang, Gwang Hee Lee, Kyung Soo Park, Sang Ok Kim, Sungjun Lee, Dong Wan Kim, Jae Gwan Park

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

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 (SnS ₂ 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 SnS ₂ NS from the crystallographic point of view.

Original language	English
Pages (from-to)	9330-9337
Number of pages	8
Journal	Journal of Materials Chemistry
Volume	22
Issue number	18
DOIs	https://doi.org/10.1039/c2jm16248b
Publication status	Published - 2012 May 14
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Chemistry

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Three-dimensional hierarchical self-supported multi-walled carbon nanotubes/tin(iv) disulfide nanosheets heterostructure electrodes for high power Li ion batteries. / Kang, Jin Gu; Lee, Gwang Hee; Park, Kyung Soo; Kim, Sang Ok; Lee, Sungjun; Kim, Dong Wan; Park, Jae Gwan.

In: Journal of Materials Chemistry, Vol. 22, No. 18, 14.05.2012, p. 9330-9337.

Research output: Contribution to journal › Article › peer-review

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