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SnSe nanocrystals decorated on carbon nanotubes for high-performance lithium-ion battery anodes
Cited 18 time in
Web of Science
Cited 21 time in Scopus
- Authors
- Issue Date
- 2022-02
- Publisher
- Elsevier BV
- Citation
- Journal of Alloys and Compounds, Vol.892, p. 162057
- Abstract
- Tin selenide has been considered as one of the most promising anode materials for lithium-ion battery owing to its high theoretical capacity. In this work, a facile colloidal synthetic method was successfully used to obtain nanocomposites comprising similar to 7 nm SnSe nanocrystals and carbon nanotubes (SnSe NC/CNT). When applied as anode materials in lithium-ion battery, the SnSe NC/CNT nanocomposites exhibited excellent electrochemical performance with a reversible capacity of 706.5 mAh g(-1) after 300 cycles at a constant current density of 200 mA g(-1). The SnSe NC/CNT nanocomposites also delivered the high reversible capacity of 532.0 mAh g(-1) at a high current density of 1.0 A g(-1). The SnSe nanocomposites are advantageous to the ion and electron transport. Interconnected by CNT after annealing at 200 degrees C, SnSe NC/CNT nano composites can accommodate the volume expansion even after 300 cycles. The complex conversion and alloying reaction are studied by X-ray diffraction and X-ray absorption near edge structure. (C) 2021 Elsevier B.V. All rights reserved.
- ISSN
- 0925-8388
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