Materials Characterization

Team

Jacek B. Jasinski, PhD

Dr. Jasinski earned his M.Sc. in Solid State Physics (1992) and doctorate in Physics of Semiconductors from Warsaw University (Poland) in 1997. He served as junior faculty at the Institute of Experimental Physics at the Warsaw University, Poland (1997-2000), Post-doctoral Research Fellow in Materials Science at the Lawrence Berkley National Lab (2000-2004), and Postdoctoral Researcher in Engineering at the University of California, Merced (2004-2005). Between 2005 and 2008, he was a Research Scientist in the School of Engineering at the University of California. In 2008, he joined the Institute for Advanced Materials and Renewable Energy at the University of Louisville Speed School of Engineering as Chief Scientist. In 2009, Jacek was appointed Theme Leader in Materials Characterization at the Conn Center. He also oversees the Materials Characterization Service Center.

 

His research focuses on understanding the mechanisms underlying physical properties, functionality, and durability of technologically important materials and device structures, especially for energy, catalysis, and nanotechnology applications. He co-authored over 180 original research papers in refereed journals, over 40 articles in refereed conference proceedings, and a book chapter in "Dilute III-V Nitride Semiconductors and Materials Systems." He is the guest editor of a special issue of ChemEngineering on Functional Materials for Renewable Energy Technologies. He serves also a reviewer for a number of journals, including Applied Physics Letters, Microscopy and Microanalysis, Catalysis Today, and Small Methods, and as a proposal reviewer for the Center for Functional Nanomaterials at Brookhaven National Laboratory. He is a co-organizer of scientific symposia and meetings such as Symposium K: Graphene and Graphene Nanocomposites at the 2014 MRS Fall Meeting, Symposium TC4 on Advances in Spatial, Energy and Time Resolution in Electron Microscopy at the 2016 MRS Fall Meeting, as well as biannual Renewable Energy & Energy Efficiency (RE3) Workshops. Among his awards are the Foundation for Polish Science Award (1997) and the Polish Physical Society Award (1992).

Farshid Ramezanipour, PhD

Dr. Ramezanipour joined the Department of Chemistry in August 2015. A Ph.D. graduate of McMaster University (2011), Dr. Ramezanipour was a Postdoctoral Fellow at the University of Calgary (2011-2013) and a NSERC Postdoctoral Fellow at the University of California, Berkeley (2013-2015).

 

His group designs and synthesizes solid state oxides for application in energy conversion devices. Material synthesis is a major component of our research and we invest significant effort in establishing correlations between structure and properties of complex oxide materials. They also explore the electronic and ionic conductivity of these materials for application in fuel cell devices.

 

They work on solid lithium-ion conductors for solid electrolytes in lithium-ion batteries, which can enhance the safety and performance of these batteries.

 

They utilize a large number of characterization methods, including diffraction techniques, electronic and ionic conductivity measurements, scanning and transmission electron microscopy, x-ray photoelectron spectroscopy and electrochemical impedance spectroscopy to understand the properties of new materials that we synthesize, and explore their potential applications in different areas including fuel cells and batteries.”

Hui Wang, PhD

Dr. Hui Wang, Ph.D. is an Assistant Professor of Mechanical Engineering at the University of Louisville. Dr. Wang earned her Ph.D. degree from Michigan Technological University in 2013. After then, she had been a Postdoc research associate at Oak Ridge National Laboratory before she joined University of Louisville in 2016. Dr. Wang’s research focuses on Novel Materials for Renewable Energy Storage and Conversion Systems, such as All-solid-state Batteries, Li-ion Batteries, Na-ion Batteries, as well as Solar Cells. Dr. Wang also has been awarded “Dean’s Award for Outstanding Research Scholarship”, “Doctoral Finishing Fellowships” as well as “China’s Government Award for Outstanding Graduates Abroad”.

 

Dr. Wang’ research on all-solid-state batteries focus on three aspects: (a) solid electrolyte materials design and synthesis. We can synthesize various kinds of solid electrolyte materials, such as Li3PS4, Li2S-P2S5, LLZO, LLTO, Li3OCl and so on. We keep searching for novel and fast ion conductors and explore their properties and applications in all-solid-state batteries. (b) solid electrolyte manufacturing. We are interested on solid electrolyte manufacturing to reduce the cost for large-scale materials processing. (c) interface engineering between solid electrolyte/electrodes. We investigate the interface stability between solid electrolyte and both Li anode and cathode materials such as S. In summary, our research goal is to develop all-solid-state batteries with high performance (capacities, rate performance, cycle life) for the next-generation energy storage systems.

Gamini Sumanasekera, PhD

Dr. Gamini Sumanasekera is currently a Professor of Physics & Astronomy and the acting Theme Leader, Energy Storage at the Conn Center for Renewable Energy Research at the University of Louisville. He is also a University Scholar. His current research is focused on developing materials and processes for chemical energy storage and other renewable energy applications. He has PhD in experimental condensed matter Physics. He has served as a Post-Doctoral Researcher in Physics at the University of Kentucky (1995-1999) and a Senior Research Associate at Pennsylvania State University (1999-2002). His research has been funded by grants from the National Science Foundation, Department of Energy, Kentucky Science and Engineering Foundation, and various industries. 

Mahendra Sunkara, PhD

Dr. Mahendra K. Sunkara is currently a Professor of Chemical Engineering, Distinguished University Scholar and the director for the Conn Center for Renewable Energy Research (Conn Center) at University of Louisville. Dr. Sunkara received his B. Tech. degree in Chemical Engineering from Andhra University (India) in 1986 and M.S., Ph. D. degrees in Chemical Engineering from Clarkson University in 1988 and Case Western Reserve University in 1993, respectively. He worked at Faraday Technology, Inc. in Dayton, OH from 1993-1996 as a Project Engineer for various electrochemical technologies toward environmental remediation and corrosion sensing and mitigation.

Sam Park, PhD

Sam Park currently serves as Associate Professor in the Department of Mechanical Engineering at the University of Louisville since 2010. Dr. Park earned his Ph.D. in the Department of Mechanical Engineering from Texas A&M University in 2007. His Ph.D. studies focused on proton and water movements in Polymer Electrolyte Membrane (PEM) fuel cells. He received a B.S. from Kyungpook National University (Republic of Korea) in 1999 and a M.S. from Texas A&M University in 2003.

 

Prior to joining the University of Louisville, he worked at Arbin Instruments (2005-2009) as a senior mechanical engineer. He was responsible for transferring engineering programs from prototype, small scale fabrication into manufacturing, with a focus on commercialization and manufacturing implantation of battery and fuel cell systems. Before joining the University of Louisville, he also worked as a Senior Engineer at NexTech Materials, and was involved several projects for sensor, catalyst, and fuel cell related materials and processes.

 

His research interests center on improving the understanding, design, and performance of electrochemical power and energy conversion devices including fuel cells, energy storage systems, and sensors. Professor Park is the author of over forty papers and three patents on fuel cells, batteries, energy systems, and sensors. He teaches Thermodynamics I, Thermodynamics II, and Energy Storage Systems (graduate course).

 

His current two projects for automotive engineering research is to develop sensors and algorithms for hybrid and electric vehicles. One project is to develop a Reliable Long-term Predictive Algorithm for Energy Storage Systems and Electric Vehicles Based on Real-time Data and Query Patterns and anther one is to develop a Lithium-ion Battery Health Monitoring Algorithm. He served on numerous international conference program committees.

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