A new supramolecular binder strongly enhancing the electrochemistry performance for lithium-sulfur batteries.

A new supramolecular binder strongly enhancing the electrochemistry performance for lithium-sulfur batteries.

Zuo, Yuan;Liu, Ruliang;Zhang, Xingcai;Nadimicherla, Reddeppa;Huang, Junlong;Lu, Yuheng;Liu, Shaohong;Wu, Dingcai;Fu, Ruowen;
Chemical communications (Cambridge, England) 2019
385
zuo2019achemical

Abstract

As one of the indispensable components in lithium-sulfur batteries, the binders greatly impact battery performance. Herein, we report a new multifunctional supramolecular eutectic liquid (SEL) binder, consisting of diphenylamine (DP) and benzophenone (BP), which enables a strongly improved conductive network and anchored polysulfides for high-performance lithium-sulfur batteries. Compared with the traditional polyvinylidene fluoride (PVDF) binder, the SEL binder demonstrates remarkable improvement in both the mechanical performance and the capacity retention (83% over 200 cycles at 1C).

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64707
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10.1039/c9cc07345k
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