ChBE Seminar Series: Nancy J. Dudney

Tuesday, April 8, 2008
11:00 a.m.-12:00 p.m.
Room 2110 Chemical & Nuclear Engineering Bldg.
Professor Chunsheng Wang
(301) 405-0352
cswang@umd.edu

Rechargeable Lithium Batteries: Progress and Challenges

Presented by Nancy J. Dudney
Materials Science and Technology Division
Oak Ridge National Laboratory

From microdevices to energy harvesting systems and hybrid vehicles, advanced batteries based on lithium reactions may enable the next generation of these technologies. This presentation will give overviews of several materials research projects on lithium batteries that have been conducted at ORNL. Research on sputter deposited thin-film materials lead to development of all-solid-state thin film batteries. The simple geometry and stable electrolyte make these batteries an ideal system for fundamental studies. Integration of the thin film batteries with various energy harvesting devices is one of a number of promising applications. Current research is exploring the potential of using 3-dimensional electrode structures based on graphite fibers and foams for advanced vehicle batteries. Ultimately, battery architecture with interpenetrating electrodes would be an efficient design for maximum power and specific energy.

This research was sponsored by the U.S. Department of Energy’s Division of Materials Sciences and Engineering and by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of FreedomCAR and Vehicle Technologies.

Audience: Graduate  Faculty  Post-Docs 

 

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