An Elastic, Conductive, Electroactive Nanocomposite Binder for Flexible Sulfur Cathodes in Lithium–Sulfur Batteries
- 22 September 2016
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 28 (44), 9744-9751
- https://doi.org/10.1002/adma.201601665
Abstract
A conductive, elastic, electroactive binder composed of polypyrrole and polyurethane is adopted for flexible, high-loading lithium–sulfur cathodes. The conductivity of the polypyrrole helps mitigate the negative effects of insulating sulfur, and the elastomeric matrix accommodates sulfur volume expansion. The binder is used with a simple carbon/sulfur composite to produce high-performance, flexible electrodes without excessive carbon, interlayers, or special additives.Keywords
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