MMAE Seminar - Dr. Zonghai Chen - Structure Orientated Material Design: An Application of In-situ High-energy X-ray Diffraction

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John T. Rettaliata Engineering Center, Room 104, 10 West 32nd Street, Chicago, IL 60616
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Armour College of Engineering's Mechanical, Materials & Aerospace Engineering Department will welcome Dr. Zonghai Chen, chemist at Argonne National Laboratory, on Wednesday, November 9th, to present his lecture, Structure Orientated Material Design: An Application of In-situ High-energy X-ray Diffraction.

Abstract

A worldwide effort is underway to develop advanced energy-related technologies that would reduce the global consumption of non-renewable fossil fuels and alleviate the negative impact of greenhouse gas emission. Among available energy storage technologies, the lithium-ion battery is the most promising and emerging technology for electrification of automobiles to reduce the fossil fuel consumption in the transportation sector. However, the deployment of long range plug-in hybrid electric vehicles and pure electric vehicles requires advanced energy storage technology with a substantially higher energy density and lower cost than state-of-the-art lithium-ion technologies. There is a major effort to develop alternative lithium transition metal oxides with a higher degree of lithium utilization and specific energy density. To serve above purposes, in situ high-energy X-ray diffraction (HEXRD) has been widely used to trace the structural evolution of materials during solid-state synthesis to guide the material design. In this talk, the application of in situ HEXRD for rational design of cathode materials will be discussed.

Biography

Dr. Zonghai Chen, chemist, received his B.S. degree (1997) from University of Science and Technology of China and Ph.D. degree (2004) from Dalhousie University, Canada. His research interests include functional electrolytes and electrode materials for advanced lithium batteries, with particular focus on behavior of materials at extreme conditions and interfacial processes in lithium batteries. Dr. Chen is an author of 90+ articles in peer-reviewed journals, including 4 papers published in Nature and Nature's sister journals. He is also the inventor of 9 issued patents. Dr. Chen is a recipient of the Outstanding External Collaboration Award from Air Products and Chemicals Inc. (2006), the Federal Consortium Award (2008) and the R&D 100 Award (2008).