Presented By: Mechanical Engineering
Mechanical Engineering Seminar Series
Nanoengineering Materials for Thermal Transport
Speaker: Amy Marconnet - Associate Professor at Purdue University
Abstract
Nanostructuring material s allows independent control of multiple material s properties. High conductivity material s such as carbon nanotube forests are useful as thermal interface materials (TIMs) for dissipating power in electronic devices, while low conductivity material s like nanoporous silicon for thermal barrier coatings and enhanced thermoelectric performance. Beyond thermal transport, storage of thermal energy is critical for effective heat removal for applications involving
highly-transient heat fluxes, and during material processing. Often to achieve the desired functionality, multiples material s are combined together to form heterogeneous composites. For example, in lithium-ion batteries, the particulate active material s (with micro- and nano-scale features) are sandwiched between metal electrodes and polymer-based separators with microscale thicknesses to form macroscale battery cells. This seminar will discuss methods to understand and
control thermal transport and development of accurate and reliable experimental and analytical techniques for thermal characterization across multiple length scales. Further, I will highlight the integration of material synthesis with thermal property measurements and physics-based analysis to provide new avenues for improved material s and device performance.
Bio
Amy Marconnet i s an Associate Professor of Mechanical Engineering at Purdue University. She received a B.S. in Mechanical Engineering from the University of Wi Wisconsin – Madison in 2007, and an M.S. and a PhD in Mechanical Engineering at Stanford University in 2009 and 2012, respectively. She then worked briefly as a postdoctoral associate at the Massachusetts Institute of Technology before joining the faculty at Purdue University in 2013. Research in the Marconnet Thermal and
Energy Conversion (MTEC) Lab integrates metrology and analysis of underlying transport mechanisms with design and development of nanostructured material s for heat transfer and energy conversion applications.
Abstract
Nanostructuring material s allows independent control of multiple material s properties. High conductivity material s such as carbon nanotube forests are useful as thermal interface materials (TIMs) for dissipating power in electronic devices, while low conductivity material s like nanoporous silicon for thermal barrier coatings and enhanced thermoelectric performance. Beyond thermal transport, storage of thermal energy is critical for effective heat removal for applications involving
highly-transient heat fluxes, and during material processing. Often to achieve the desired functionality, multiples material s are combined together to form heterogeneous composites. For example, in lithium-ion batteries, the particulate active material s (with micro- and nano-scale features) are sandwiched between metal electrodes and polymer-based separators with microscale thicknesses to form macroscale battery cells. This seminar will discuss methods to understand and
control thermal transport and development of accurate and reliable experimental and analytical techniques for thermal characterization across multiple length scales. Further, I will highlight the integration of material synthesis with thermal property measurements and physics-based analysis to provide new avenues for improved material s and device performance.
Bio
Amy Marconnet i s an Associate Professor of Mechanical Engineering at Purdue University. She received a B.S. in Mechanical Engineering from the University of Wi Wisconsin – Madison in 2007, and an M.S. and a PhD in Mechanical Engineering at Stanford University in 2009 and 2012, respectively. She then worked briefly as a postdoctoral associate at the Massachusetts Institute of Technology before joining the faculty at Purdue University in 2013. Research in the Marconnet Thermal and
Energy Conversion (MTEC) Lab integrates metrology and analysis of underlying transport mechanisms with design and development of nanostructured material s for heat transfer and energy conversion applications.
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