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Electrospun PU/PVP/GO Separator for Li-ion Batteries

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Abstract

Polyurethane (PU) has been intensively studied as a promising separator material for Li-ion batteries (LIBs). However, poor dimensional stability and low liquid-electrolyte wettability of pure PU separator restrict its application in LIBs. Here polyvinyl pyrrolidone (PVP) and graphene oxide were employed to enhance the thermal stability, mechanical performance and liquid-electrolyte compatibility of PU separator. High anodic stability above 5.25 V was reached in PU/PVP/GO separator, fully compatible with the high-voltage cathode materials. The electrochemical characterization indicates PU/PVP/GO membrane is a promising separator for advanced LIBs.

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Authors and Affiliations

  1. Institute of Rheological Mechanics, Xiangtan University, Xiangtan, 411105, China

    Kedong Song, Ping Zhang, Yuting Huang, Fu Xu & Yanhuai Ding

Authors
  1. Kedong Song
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  2. Ping Zhang
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  3. Yuting Huang
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  4. Fu Xu
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  5. Yanhuai Ding
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Correspondence to Yanhuai Ding.

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Song, K., Zhang, P., Huang, Y. et al. Electrospun PU/PVP/GO Separator for Li-ion Batteries. Fibers Polym 20, 961–965 (2019). https://doi.org/10.1007/s12221-019-8883-2

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  • DOI: https://doi.org/10.1007/s12221-019-8883-2

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