Theses and Dissertations
Formation of LiFePO4-Pan Submicron Fibers Via Forcespinning ® for Battery Cathode Applications
Date of Award
Master of Science (MS)
Dr. Tulay Atesin
Dr. Mataz Alcoutlabi
Dr. Javier Macossay-Torres
LiFePO4/C composite nanofibers were prepared by utilizing Forcespinning® technology and calcination approaches. Polyacrylonitrile (PAN) was dissolved in N, N-dimethylformamide (DMF) to produce the media that allotted nanofiber formation via Forcespinning® and also served as the carbon source. A LiFePO4 solution was synthesized separately in DMF, which served as the precursor. The separately prepared PAN/DMF and LiFePO4/DMF solutions were then mixed at different weight percent’s (wt.%) prior to being subjected to Forcespinning ®. Elemental analysis of the LiFePO4/PAN nanofibers was characterized by energy dispersive spectroscopy (EDS) and x-ray photoelectron spectroscopy (XPS). The study of the surface morphology was conducted by scanning electron microscopy (SEM). Structural analysis of the LiFePO4/C composite nanofibers was studied utilizing x-ray diffraction (XRD). Lastly, the electrochemical analysis of the LiFePO4/C composite nanofibers was studied in coin type cells. As a result a methodology was standardized to successfully produce LiFePO4/C composite nanofibers via Forcespinning ®.
Lopez, Ashlee L., "Formation of LiFePO4-Pan Submicron Fibers Via Forcespinning ® for Battery Cathode Applications" (2017). Theses and Dissertations. 57.
Copyright 2017 Ashlee L. Lopez. All Rights Reserved.