Physics Colloquium - Fall 2014

The correspondence between the quantum and classical equations for a spin system with applications to some magnetic resonance problems

When Oct 31, 2014
from 03:00 PM to 04:00 PM
Where Natural Science 102
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Speaker:

Rogier A. Windhorst

When Oct 17, 2014
from 03:00 PM to 04:00 PM
Where Natural Science 102
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Speaker: Rogier A. Windhorst, Arizona State University

Gamini Sumanasekera - Recent Advances in Electrochemical Energy Storage Materials

When Oct 03, 2014
from 03:00 PM to 04:00 PM
Where Natural Science 102
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Speaker: Gamini Sumanasekera, Department of Physics & Astronomy University of Louisville

Abstract: Advances in electrochemical energy storage are needed for many applications including biomedical devices, portable electronics, and transportation etc. However, large scale electrochemical energy storage is needed in relation to the renewable energy generation and distribution of electricity. The specific needs of each application vary widely so that a single solution cannot meet the demands of all applications. In this presentation, first multi-walled carbon nanotube based lithium-CFx batteries for implantable medical applications will be considered. Next, the investigation of a new class of high-energy-density materials based on graphene and Sn nanowires for extending battery life of Li-ion batteries will be discussed. Finally new developments in Li-S batteries and supercapacitors will be introduced.