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一种用于锂硫电池中柔性硫正极的弹性、导电、电活性纳米复合粘结剂。

An Elastic, Conductive, Electroactive Nanocomposite Binder for Flexible Sulfur Cathodes in Lithium-Sulfur Batteries.

机构信息

McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, 78712, USA.

出版信息

Adv Mater. 2016 Nov;28(44):9744-9751. doi: 10.1002/adma.201601665. Epub 2016 Sep 22.

DOI:10.1002/adma.201601665
PMID:27717072
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.

摘要

采用由聚苯胺和聚氨酯组成的导电、弹性、电活性粘结剂来制备柔性、高载量锂硫电池的阴极。聚苯胺的导电性有助于减轻绝缘硫的负面影响，弹性基质则可以容纳硫的体积膨胀。该粘结剂与简单的碳/硫复合材料一起使用，无需使用过多的碳、中间层或特殊添加剂，即可制备出高性能的柔性电极。

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