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Open AccessReview

Application Progress of Polyaniline, Polypyrrole and Polythiophene in Lithium-Sulfur Batteries

1
School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China
2
College of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, China
*
Author to whom correspondence should be addressed.
Polymers 2020, 12(2), 331; https://doi.org/10.3390/polym12020331
Received: 2 December 2019 / Revised: 21 January 2020 / Accepted: 22 January 2020 / Published: 5 February 2020
(This article belongs to the Special Issue Polymers for Energy Storage and Conversion)
With the urgent requirement for high-performance rechargeable Li-S batteries, besides various carbon materials and metal compounds, lots of conducting polymers have been developed and used as components in Li-S batteries. In this review, the synthesis of polyaniline (PANI), polypyrrole (PPy) and polythiophene (PTh) is introduced briefly. Then, the application progress of the three conducting polymers is summarized according to the function in Li-S batteries, including coating layers, conductive hosts, sulfur-containing compounds, separator modifier/functional interlayer, binder and current collector. Finally, according to the current problems of conducting polymers, some practical strategies and potential research directions are put forward. We expect that this review will provide novel design ideas to develop conducting polymer-containing high-performance Li-S batteries. View Full-Text
Keywords: Li-S batteries; sulfur confinement; polyaniline; polypyrrole; polythiophene Li-S batteries; sulfur confinement; polyaniline; polypyrrole; polythiophene
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MDPI and ACS Style

Hong, X.; Liu, Y.; Li, Y.; Wang, X.; Fu, J.; Wang, X. Application Progress of Polyaniline, Polypyrrole and Polythiophene in Lithium-Sulfur Batteries. Polymers 2020, 12, 331.

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