Journal
NANOTECHNOLOGY
Volume 33, Issue 42, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6528/ac8061
Keywords
PAN; PVdF-HFP separator; semi-alignment; sepiolite; ZIF-67; Li-ion batteries
Funding
- Natural Science Foundation of Hunan Province [2019JJ40093]
- High-level Talent Gathering Project in Hunan Province [2019RS1059]
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In this study, semi-aligned PAN/PVdF-HFP nanofiber separators were fabricated using electrospinning technology, and sepiolite and ZIF-67 co-modification was employed to enhance their physical properties. The test cells with the composite separator showed better electrochemical performance compared to commercial and raw PAN/PVdF-HFP separators.
Electrospun PAN/PVdF-HFP membranes have the potential to be used as separators for Li-ion batteries owing to their good mechanical properties and high chemical stability. However, the application of PAN/PVdF-HFP separators has been hampered by their poor electrochemical performances. In this study, semi-aligned PAN/PVdF-HFP nanofiber separators have been fabricated by an electrospinning technology. Sepiolite and ZIF-67 co-modification was employed to enhance the physical properties of the PAN/PVdF-HFP separators. The test cells with the as-prepared composite separator showed better electrochemical performance than the commercial and raw PAN/PVdF-HFP separators.
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