"Experimental and numerical investigation of combined mechanical, elect" by Abigail C. Schauer

Date of Award

2025

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Aerospace Systems Engineering

Committee Chair

Nathan Spulak

Committee Member

Judith Schneider

Committee Member

Natalie Click

Research Advisor

Nathan Spulak

Subject(s)

Electric batteries--Testing, Electric batteries--Materials--Dynamic testing

Abstract

Lithium batteries are present in most electronic devices and machines but pose a serious threat to users if they are over heated, over charged, or otherwise physically damaged. In order to better understand the underlying causes of lithium battery fires, testing procedures at various rates of low, intermediate, and dynamic are established with less volatile 1.5 V LR61 alkaline batteries. The various rates are to cover representative loading rates from scenarios ranging from dropping a cell phone a short distance to a high-rate drone collision with an aircraft. Material characterization is also done on the metal casing to better understand the material behavior. These test results are used for preliminary investigations of numerical modeling methods that combine the mechanical, electrical, and thermal effects.

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