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MS Defense by Crystal Jain

THE SCHOOL OF MATERIALS SCIENCE AND ENGINEERING

 

GEORGIA INSTITUTE OF TECHNOLOGY

 

Under the provisions of the regulations for the degree

MASTER OF SCIENCE

on Thursday, April 22, 2021

11:00 AM

 

via

 

BlueJeans Video Conferencing

https://bluejeans.com/892616651 

 

will be held the

 

MASTER’S THESIS DEFENSE

for

 

Crystal Jain

 

“Fabrication & Characterization of High Energy Density Solid State Metal Fluoride Microbatteries"

 

Committee Members:

 

Prof. Gleb Yushin, Advisor, MSE

Prof. Matthew McDowell, MSE/ME

Prof. Preet Singh, MSE

Prof. Faisal Alamgir, MSE

 

Abstract:

 

The increased proliferation of consumer electronics and electric vehicles has led to an exponential increase in the demand for lithium-ion batteries. Commercially used intercalation-based cathode materials in Li-ion batteries have relatively low capacity, high manufacturing costs, and sourcing / ethical concerns. Metal fluoride-based conversion cathodes promise unique benefits over these materials with regards to theoretical capacities, safety, supply, and cost. However, when built into full cells with liquid electrolytes, they have historically suffered side effects that lead to early cell degradation: poor ionic conductivity, volume swelling, resistance buildup, and morphological changes.
 
In this thesis, I will investigate a workaround of these symptoms by constructing an all solid-state architecture. The deliberate design of a liquid/polymer solvent-free cathode  provides a more stable window by which to analyze cycling behavior and electrochemical performance. This defense focuses on the novel electrode and electrolyte fabrication methods used to achieve such a structure and associated characterization.

Event Details

Date/Time:

  • Thursday, April 22, 2021
    9:30 am - 11:00 am
Location: Atlanta, GA; REMOTE

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