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Characterization and performance evaluation of lithium-ion battery separators

Author

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  • Marie Francine Lagadec

    (ETH Zürich)

  • Raphael Zahn

    (ETH Zürich)

  • Vanessa Wood

    (ETH Zürich)

Abstract

Lithium-ion batteries (LIBs) with liquid electrolytes and microporous polyolefin separator membranes are ubiquitous. Though not necessarily an active component in a cell, the separator plays a key role in ion transport and influences rate performance, cell life and safety. As our understanding of separator properties and the interactions between the separator and the electrolyte deepens, it becomes evident that there are opportunities for improving separators to help meet the greater demands that new applications place on LIB technology. Here, we review the impact of the separator structure and chemistry on LIB performance, assess characterization techniques relevant for understanding structure–performance relationships in separator membranes, and provide an outlook on next-generation separator technology. Insights from this Review indicate that LIB performance can be improved by taking into account the interplay of the separator with its surroundings and indicate that, in the future, separators will be designed to play a more active role in LIB operation. Current and emerging characterization techniques will play an important role in guiding this evolution in separator technology.

Suggested Citation

  • Marie Francine Lagadec & Raphael Zahn & Vanessa Wood, 2019. "Characterization and performance evaluation of lithium-ion battery separators," Nature Energy, Nature, vol. 4(1), pages 16-25, January.
    • Handle: RePEc:nat:natene:v:4:y:2019:i:1:d:10.1038_s41560-018-0295-9
    DOI: 10.1038/s41560-018-0295-9
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    Cited by:

    1. Lingappan, Niranjanmurthi & Lee, Wonoh & Passerini, Stefano & Pecht, Michael, 2023. "A comprehensive review of separator membranes in lithium-ion batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 187(C).
    2. Changcheng Liu & Kaihui Zheng & Yong Zhou & Kai Zhu & Que Huang, 2021. "Experimental Thermal Hazard Investigation of Pressure and EC/PC/EMC Mass Ratio on Electrolyte," Energies, MDPI, vol. 14(9), pages 1-19, April.
    3. Abdollahifar, M. & Molaiyan, P. & Lassi, U. & Wu, N.L. & Kwade, A., 2022. "Multifunctional behaviour of graphite in lithium–sulfur batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 169(C).
    4. Jakob Veitl & Hans-Konrad Weber & Martin Frankenberger & Karl-Heinz Pettinger, 2022. "Modification of Battery Separators via Electrospinning to Enable Lamination in Cell Assembly," Energies, MDPI, vol. 15(22), pages 1-16, November.
    5. Ashleigh Townsend & Rupert Gouws, 2022. "A Comparative Review of Lead-Acid, Lithium-Ion and Ultra-Capacitor Technologies and Their Degradation Mechanisms," Energies, MDPI, vol. 15(13), pages 1-29, July.

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