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Role of Polymer-Based Membranes and Porous Interlayers for Lithium Sulfur Batteries

thesis
posted on 12.05.2021, 22:44 by AREEB SHEHZAD
Improved batteries are the centrepiece to enabling continuous usage of electricity derived from intermittent sources. New battery chemistries such as Lithium-Sulfur (Li-S) systems are attractive due to their potential 10-fold increase in gravimetric capacity when compared to existing Lithium-ion technology, but suffer from a lack of cycling stability, in part due to incomplete reduction of sulfur, and polysulphides consequently blocking pores of separator. In this dissertation, we explored polymer-based separators with anti-aging effect and functionalized porous interlayers to encapsulated and retard these polysulfide species. The outcome of this dissertation opens up a new avenue to develop novel membrane based platform for responsive membranes in battery technology development.

History

Campus location

Australia

Principal supervisor

Matthew Hill

Year of Award

2021

Department, School or Centre

Chemical Engineering

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Faculty

Faculty of Engineering