Suppressing Self‐Discharge and Shuttle Effect of Lithium–Sulfur Batteries with V2O5‐Decorated Carbon Nanofiber Interlayer

V2O5 decorated carbon nanofibers (CNFs) are prepared and used as a multifunctional interlayer for a lithium–sulfur (Li–S) battery. V2O5 anchored on CNFs can not only suppress the shuttle effect of polysulfide by the strong adsorption and redox reaction, but also work as a high‐potential dam to restr...

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Published inSmall (Weinheim an der Bergstrasse, Germany) Vol. 13; no. 12
Main Authors Liu, Ming, Li, Qing, Qin, Xianying, Liang, Gemeng, Han, Wenjie, Zhou, Dong, He, Yan‐Bing, Li, Baohua, Kang, Feiyu
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 28.03.2017
Subjects
high voltage
lightweight interlayers
lithium–sulfur batteries
Nanotechnology
self‐discharge
vanadium pentoxide
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Summary:V2O5 decorated carbon nanofibers (CNFs) are prepared and used as a multifunctional interlayer for a lithium–sulfur (Li–S) battery. V2O5 anchored on CNFs can not only suppress the shuttle effect of polysulfide by the strong adsorption and redox reaction, but also work as a high‐potential dam to restrain the self‐discharge behavior in the battery. As a result, Li–S batteries with a high capacity and long cycling life can be stored and rested for a long time without obvious capacity fading.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201602539