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Tin Sulfide-Based Nanohybrid for High-Performance Anode of Sodium-Ion Batteries

Cited 36 time in Web of Science Cited 34 time in Scopus
Authors

Choi, Jaewon; Kim, Na Rae; Lim, Kyungmi; Ku, Kyojin; Yoon, Hyeon Ji; Kang, Jin Gu; Kang, Kisuk; Braun, Paul V.; Jin, Hyoung-Joon; Yun, Young Soo

Issue Date
2017-08
Publisher
Wiley - V C H Verlag GmbbH & Co.
Citation
Small, Vol.13 No.30, p. 1700767
Abstract
Nanohybrid anode materials for Na-ion batteries (NIBs) based on conversion and/or alloying reactions can provide significantly improved energy and power characteristics, while suffering from low Coulombic efficiency and unfavorable voltage properties. An NIB paper-type nanohybrid anode (PNA) based on tin sulfide nanoparticles and acid-treated multiwalled carbon nanotubes is reported. In 1 m NaPF6 dissolved in diethylene glycol dimethyl ether as an electrolyte, the above PNA shows a high reversible capacity of approximate to 1200 mAh g(-1) and a large voltage plateau corresponding to a capacity of approximate to 550 mAh g(-1) in the low-voltage region of approximate to 0.1 V versus Na+/Na, exhibiting high rate capabilities at a current rate of 1 A g(-1) and good cycling performance over 250 cycles. In addition, the PNA exhibits a high first Coulombic efficiency of approximate to 90%, achieving values above 99% during subsequent cycles. Furthermore, the feasibility of PNA usage is demonstrated by full-cell tests with a reported cathode, which results in high specific energy and power values of approximate to 256 Wh kg(-1) and 471 W kg(-1), respectively, with stable cycling.
ISSN
1613-6810
URI
https://hdl.handle.net/10371/165014
DOI
https://doi.org/10.1002/smll.201700767
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