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首页> 外文期刊>Journal of Applied Polymer Science >Fabrication ofco-PVDF/modacrylic/SiO(2)nanofibrous membrane: Composite separator for safe and high performance lithium-ion batteries
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Fabrication ofco-PVDF/modacrylic/SiO(2)nanofibrous membrane: Composite separator for safe and high performance lithium-ion batteries

机译：Fo-PVDF / modacrylic / SiO（2）纳米纤维膜的制备：用于安全和高性能锂离子电池的复合分离器

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摘要

Highly porous free-standing co-poly(vinylidene fluoride)/modacrylic/SiO(2)nanofibrous membrane was developed using electrically-assisted solution blow spinning method. The performance and the potential of the membrane as a lithium-ion battery separator were investigated. The addition of modacrylic enhanced the solution spinnability that resulted in defect-free membranes. Moreover, the presence of modacrylic enhanced the dimensional and thermal stabilities, while the addition of hydrophilic SiO2 nanoparticle enhanced both mechanical property and ionic conductivity. Combustion test results illustrated that the presence of modacrylic provide flame retarding property over a set of different polymeric-based membranes. Electrochemical performance results showed that the developed membrane can increase the battery capacity compared with the commercial separator.
机译：采用电辅助溶液吹塑法，制备了高孔隙率的自支撑聚偏氟乙烯/改性丙烯酸/SiO 2纳米纤维膜。研究了该膜作为锂离子电池隔膜的性能和潜力。改性丙烯酸的加入增强了溶液的可纺性，从而形成了无缺陷的膜。此外，改性丙烯酸的存在增强了尺寸稳定性和热稳定性，而亲水性SiO2纳米颗粒的加入增强了机械性能和离子导电性。燃烧试验结果表明，在一组不同的聚合物基膜上，改性丙烯酸的存在提供了阻燃性能。电化学性能测试结果表明，与商用隔膜相比，开发的隔膜可以提高电池容量。

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