Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 266, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2020.115024
Keywords
Centrifugal spinning; Lithium ion battery; Anode; Composite nanofibers; Metal oxide; Sodium ion battery
Funding
- National Science Foundation (NSF) PREM award [DMR-1523577]
- NSF through the UMN MRSEC program [DMR-2011401]
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This study presents and discusses fibers made with alloying, transition metal oxides, and transition metal sulfite-based materials using centrifugal spinning for potential use as anode materials in LIBs and SIBs. The focus is on the centrifugal spinning process and its effects on the formation, morphology, and structure of nanocomposite anodes.
Nanofibers (NFs) and composite NFs have been widely used as electrode and separator materials in lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) due to their high surface-area-to-volume ratio and versatility of their morphologies. The majority of carbon-fibers (CFs) anodes have been prepared by electrospinning and subsequent thermal treatment. Nevertheless, the low fiber yield and safety hazards associated with this method have raised concerns and limited the commercialization of composite CF anodes. Fiber and nanofiber processing methods such as centrifugal spinning can overcome low productivity and eliminate the use of a high voltage to produce fibers. In the present work, centrifugally spun fibers with alloying, transition metal oxides, and transition metal sulfite-based materials are presented and discussed for potential use as anode materials in LIBs and SIBs. Emphasis is given on the centrifugal spinning process and its effects on fiber formation, morphology, and structure of these nanocomposite anodes.
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