A phase inversion based sponge-like polysulfonamide/SiO<sub>2</sub> composite separator for high performance lithium-ion batteries

Xiao Wang; Gaojie Xu; Qingfu Wang; Chenglong Lu; Chengzhong Zong; Jianjun Zhang; Liping Yue; Guanglei Cui

doi:10.1016/j.cjche.2017.12.010

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A phase inversion based sponge-like polysulfonamide/SiO₂ composite separator for high performance lithium-ion batteries

Catalysis | Updated：2026-01-06

- A phase inversion based sponge-like polysulfonamide/SiO₂ composite separator for high performance lithium-ion batteries
- Chinese Journal of Chemical Engineering Issue 6, Pages: 1292-1299(2018)
- Affiliations：
  
  1. School of Polymer Science and Engineering, Qingdao University of Science and Technology,Qingdao,China,266042
  2. 2 Qingdao Industrial Energy Storage Research Institute, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences,Qingdao,China,266101
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.12.010
  CLC：
- Published：2018
- Accepted：
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Xiao Wang, Gaojie Xu, Qingfu Wang, et al. A phase inversion based sponge-like polysulfonamide/SiO₂ composite separator for high performance lithium-ion batteries[J]. Chinese Journal of Chemical Engineering, 2018, (6): 1292-1299. DOI: 10.1016/j.cjche.2017.12.010.
DOI：

Xiao Wang, Gaojie Xu, Qingfu Wang, et al. A phase inversion based sponge-like polysulfonamide/SiO₂ composite separator for high performance lithium-ion batteries[J]. Chinese Journal of Chemical Engineering, 2018, (6): 1292-1299. DOI: 10.1016/j.cjche.2017.12.010. DOI：

摘要

Abstract

In this work

a sponge-like polysulfonamide (PSA)/SiO

composite membrane is unprecedentedly prepared by the phase inversion method

and successfully demonstrated as a novel separator of lithium-ion batteries (LIBs). Compared to the commercial polypropylene (PP) separator

the sponge-like PSA/SiO

composite possesses better physical and electrochemical properties

such as higher porosity

ionic conductivity

thermal stability and flame retarding ability. The LiCoO

/Li half-cells using the sponge-like composite separator demonstrate superior rate capability and cyclability over those using the commercial PP separator. Moreover

the sponge-like composite separator can ensure the normal operation of LiCoO

/Li half-cell at an extremely high temperature of 90℃

while the commercial PP separator cannot. All these encouraging results suggest that this phase inversion based sponge-like PSA/SiO

composite separator is really a promising separator for high performance LIBs.

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A phase inversion based sponge-like polysulfonamide/SiO2 composite separator for high performance lithium-ion batteries

DOI：10.1016/j.cjche.2017.12.010

摘要

Abstract

关键词

Keywords

references

A phase inversion based sponge-like polysulfonamide/SiO₂ composite separator for high performance lithium-ion batteries