Structure and Properties Analysis of Carbon Nanofibers Deposited by Electrospinning on Battery Cathode Materials
Fiber structure has good toughness and conductive properties,and has been widely used in battery anode materials.Carbon nanofibers were prepared by electrospinning deposition,and their microstructure and spectral properties were analyzed by means of experimental testing.The results show that increasing the distance between nickel sheet and electrospinning is beneficial to the formation of carbon nanofibers.After 3 min sintering,a limited number of carbon nanofibers are obtained,most of which exist in granular state.The presence of C,Ni,O and trace amounts of Li elements in the fibers successfully produced carbon-rich nanofibers.N2 adsorption and desorption curves are typical of Class Ⅱ isothermal adsorption,and the pore size is concentrated around 9.2 nm.The Raman spectra of carbon nanofibers formed obvious D and G bands,the peak of D band appeared at about 1 327 cm-1,and the intensity of G band appeared at 1 587 cm-1.This study helps to improve the understanding of carbon nanofibers in batteries,and lays a theoretical foundation for further optimization of subsequent performance.
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