Electrospun PVDF-Based Polymers for Lithium-Ion Battery Separators: A Review

Lithium-ion batteries (LIBs) have been widely applied in electronic communication, transportation, aerospace, and other fields, among which separators are vital for their electrochemical stability and safety. Electrospun polyvinylidene fluoride (PVDF)-based separators have a large specific surface a...

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Bibliographic Details
Published in:Polymers 2024-10, Vol.16 (20), p.2895
Main Authors: He, Juanxia, Yang, Lihong, Ruan, Xingzhe, Liu, Zechun, Liao, Kezhang, Duan, Qingshan, Zhan, Yongzhong
Format: Article
Language:English
Subjects:
Batteries
Contact angle
Copyright
Electrochemical reactions
Electrochemistry
Electrolytes
Electrospinning
Energy
Heat resistance
Hot pressing
Lithium
Lithium-ion batteries
Morphology
Polymer industry
Polyolefins
Polyvinylidene fluoride
Polyvinylidene fluorides
Pore size
Porosity
Review
Separators
Tensile strength
Thermal stability
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Summary:Lithium-ion batteries (LIBs) have been widely applied in electronic communication, transportation, aerospace, and other fields, among which separators are vital for their electrochemical stability and safety. Electrospun polyvinylidene fluoride (PVDF)-based separators have a large specific surface area, high porosity, and remarkable thermal stability, which significantly enhances the electrochemistry and safety of LIBs. First, this paper reviewed recent research hotspots and processes of electrospun PVDF-based LIB separators; then, their pivotal parameters influencing morphology, structures, and properties of separators, especially in the process of electrospinning solution preparation, electrospinning process, and post-treatment methods were summarized. Finally, the challenges of PVDF-based LIB separators were proposed and discussed, which paved the way for the application of electrospun PVDF-based separators in LIBs and the development of LIBs with high electrochemistry and security.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16202895