Fabricating Micro/Nanostructured Separators and Electrode Materials by Coaxial Electrospinning for Lithium-Ion Batteries:From Fundamentals to Applications
Highly coveted for their exceptional energy density,extended cycle life,impressive rate capability,and thermal stability,lithium-ion batteries(LIBs)stand out as the optimal power sources for real-world applications,ranging from portable electronics to electric vehicles(EVs).In this context,coaxial electrospinning has emerged as a compelling technique for fabricating nanofiber materials endowed with properties ideally suited for LIBs.These properties include a high specific surface area,exceptional porosity,a substantial aspect ratio,and facile surface modification.This comprehensive review encapsulates the fundamental principles,practical applications,and recent strides in coaxial electrospinning,particularly in the preparation of crucial LIB components such as cathodes,anodes,and separators.The intricate relationships between the micro/nanostructures of coaxially electrospun fiber materials and their resultant battery performances are meticulously examined.Additionally,the review outlines future directions and underscores the challenges inherent in advancing the field of coaxial electrospinning for LIBs.
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