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Elemental-Sulfur-Mediated Facile Synthesis of a Covalent Triazine Framework for High-Performance Lithium-Sulfur Batteries

Cited 284 time in Web of Science Cited 294 time in Scopus
Authors

Talapaneni, Siddulu Naidu; Hwang, Tae Hoon; Je, Sang Hyun; Buyukcakir, Onur; Choi, Jang Wook; Coskun, Ali

Issue Date
2016-02
Publisher
John Wiley & Sons Ltd.
Citation
Angewandte Chemie - International Edition, Vol.55 No.9, pp.3106-3111
Abstract
A covalent triazine framework (CTF) with embedded polymeric sulfur and a high sulfur content of 62wt% was synthesized under catalyst- and solvent-free reaction conditions from 1,4-dicyanobenzene and elemental sulfur. Our synthetic approach introduces a new way of preparing CTFs under environmentally benign conditions by the direct utilization of elemental sulfur. The homogeneous sulfur distribution is due to the insitu formation of the framework structure, and chemical sulfur impregnation within the micropores of CTF effectively suppresses the dissolution of polysulfides into the electrolyte. Furthermore, the triazine framework facilitates electron and ion transport, which leads to a high-performance lithium-sulfur battery.
ISSN
1433-7851
URI
https://hdl.handle.net/10371/164549
DOI
https://doi.org/10.1002/anie.201511553
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Related Researcher

  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Carbon nanotube, Graphene, Lithium-ion battery, Lithium-sulfur battery, Silicon anode

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