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A PPy/ZnO functional interlayer to enhance electrochemical performance of lithium/sulfur batteries.


ABSTRACT: To enhance the electrochemical performance of the lithium/sulfur batteries, a novel interlayer was prepared by coating the slurry of PPy/ZnO composite onto the surface of a separator. Owing to a three-dimensional hierarchical network structure, PPy/ZnO composite serves as a polysulfide diffusion absorbent that can intercept the migrating soluble polysulfides to enhance the electrochemical performance of the Li/S batteries. The specific capacity of the cell with PPy/ZnO interlayer remained at 579 mAh g-1 after 100 cycles at 0.2 C. This interlayer can provide novel avenues for the commercial applications of Li/S batteries.

SUBMITTER: Yin F 

PROVIDER: S-EPMC6170249 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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A PPy/ZnO functional interlayer to enhance electrochemical performance of lithium/sulfur batteries.

Yin Fuxing F   Ren Jun J   Zhang Yongguang Y   Tan Taizhe T   Chen Zhihong Z  

Nanoscale research letters 20181003 1


To enhance the electrochemical performance of the lithium/sulfur batteries, a novel interlayer was prepared by coating the slurry of PPy/ZnO composite onto the surface of a separator. Owing to a three-dimensional hierarchical network structure, PPy/ZnO composite serves as a polysulfide diffusion absorbent that can intercept the migrating soluble polysulfides to enhance the electrochemical performance of the Li/S batteries. The specific capacity of the cell with PPy/ZnO interlayer remained at 579  ...[more]

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