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CHEMICAL MODIFICATION OF MESOPOROUS CARBON FOR ENERGY STORAGE APPLICATIONS

Author
Sarkar, Snatika
Abstract
Rechargeable Lithium Sulfur batteries have attracted widespread attention due to their high theoretical energy density, which is of great importance due to growing energy demands. These batteries have not been commercialized due to the challenges caused by their complex electrochemical reactions such as the shuttle effect and solubility of higher order Polysulfides in the electrolytes. In this thesis, we discuss attempts to combat these technical issues by combining physical and chemical modifications of mesoporous carbon nanofibers as electrodes or interlayers, by incorporation of cyclic Nitrogen groups, using Gas-Assisted electrospinning and electrospraying techniques. We also compare the synergistic effects off all these features on battery performance and use various characterization tools to understand them.
Date Issued
2018-08-30Subject
Chemical engineering; Electrospinning; lithium sulfur; Electrospraying
Committee Chair
Joo, Yong L.
Committee Member
Suntivich, Jin
Degree Discipline
Chemical Engineering
Degree Name
M.S., Chemical Engineering
Degree Level
Master of Science
Type
dissertation or thesis