My conversation with Prof Anna Stefanopoulou on all about batteries: expansion, aging and thermal issues.

Anna Stefanopoulou is a Professor Mechanical Engineering at University of Michigan with an expertise in modeling, control and optimization of internal combustion engines, batteries and fuel cells.
Brought to you by Sudhi Uppuluri, Technologist and Educator, Founder and CTO of CSEG

00:00 - Start
00:04​ - Introduction
00:47 - Lithium availability
06:05 - Are we stuck with Lithium for a while
08:03 - EV metrics mimics conventional vehicles
11:52 - Lithium Silicon batteries and where are batteries headed
14:18 - Measuring and modeling battery cell expansion and aging
20:30 - Modeling battery internal short circuit.
24:41 - Battery pack shorting and time to catastrophic failure
26:57 - Battery venting
29:26 - Battery thermal modeling
35:09 - Work with City of Ann Arbor Energy Commission
39:35 - Closing