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Synthesis and characterization of a sulfur/TiO2 composite for Li-S battery

Synthesis and characterization of a sulfur/TiO2 composite for Li-S battery S/TiO2 composite is prepared via a simple solution method by using sublimed sulfur and nanosized TiO2. The composite is characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer–Emmett–Teller (BET) test. The results indicate that the sulfur is well dispersed in the composite. The electrochemical performance of the composite as cathode material was evaluated by cycling under constant current cyclic voltammetric (CC-CV) mode at room temperature and cyclic voltammetry (CV). The S/TiO2 composite can effectively confine the diffusion of dissolved polysulfides in electrolyte and stabilize the structure during the charge and discharge process and shows high capacity and good rate performance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ionics Springer Journals

Synthesis and characterization of a sulfur/TiO2 composite for Li-S battery

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References (38)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Chemistry; Electrochemistry; Renewable and Green Energy; Optical and Electronic Materials; Condensed Matter Physics; Energy Storage
ISSN
0947-7047
eISSN
1862-0760
DOI
10.1007/s11581-018-2570-y
Publisher site
See Article on Publisher Site

Abstract

S/TiO2 composite is prepared via a simple solution method by using sublimed sulfur and nanosized TiO2. The composite is characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer–Emmett–Teller (BET) test. The results indicate that the sulfur is well dispersed in the composite. The electrochemical performance of the composite as cathode material was evaluated by cycling under constant current cyclic voltammetric (CC-CV) mode at room temperature and cyclic voltammetry (CV). The S/TiO2 composite can effectively confine the diffusion of dissolved polysulfides in electrolyte and stabilize the structure during the charge and discharge process and shows high capacity and good rate performance.

Journal

IonicsSpringer Journals

Published: Apr 28, 2018

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