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

Cited 206 time in Web of Science Cited 216 time in Scopus
Authors
Talapaneni, Siddulu Naidu; Hwang, Tae Hoon; Je, Sang Hyun; Buyukcakir, Onur; Choi, Jang Wook; Coskun, Ali
Issue Date
2016-02
Citation
Angewandte Chemie - International Edition, Vol.55 No.9, pp.3106-3111
Keywords
cathode materialselectrochemistrylithium-sulfur batteriesmicroporous materialssulfur
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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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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