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DTSTART;TZID=America/New_York:20200226T150000
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DTSTAMP:20260407T232422
CREATED:20191219T204400Z
LAST-MODIFIED:20191219T204400Z
UID:2392-1582729200-1582732800@seasevents.nmsdev7.com
SUMMARY:CBE Faculty Candidate Seminar: "Understanding and Design of Materials of High Energy Density Batteries"
DESCRIPTION:Abstract: \nEnvironmental challenges and economic forces are reshaping the way we generate and consume energy on a global scale. To keep up with the accelerating adoption of electric vehicles\, allow for grid scale energy storage\, and meet the demands of future technological advances\, new materials for high energy density batteries must be developed. High costs have prevented widespread deployment of lithium-ion batteries beyond portable electronics\, and the safety hazards of exothermic reactions associated with traditional materials during cell failure remain to be fully addressed. Therefore\, strategies to enhance the mechanical and chemical stability of next-generation electrode materials are key to the successful integration of batteries into our future energy systems. In this presentation\, I will discuss new materials designed to address issues of stability in Li-ion batteries and fundamental insight into the mechanisms of this stabilization. The first portion of my talk will describe how a supramolecular\, hydrogen-bonding\, self-healing polymer is used to stabilize high capacity anode materials. Next\, I will describe further investigation toward a general understanding of how polymer coatings affect the electrodeposition of metallic lithium anodes. Third\, I will discuss the use of in situ characterization techniques to study the mechanisms of electrolyte decomposition reactions at the lithium metal interface. Overall\, the work presented here contributes new materials to be used in electric vehicles\, grid scale storage\, and new electronic devices\, and uses these materials to develop a fundamental understanding about how materials properties affect the stability of lithium ion batteries in each application. This understanding provides direction for the design and synthesis of new polymer materials to better stabilize advanced battery chemistries.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-understanding-and-design-of-materials-of-high-energy-density-batteries/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
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