Assistant Professor of Materials Science and Engineering and Norris B. McFarlane F...
Dr. Hojong Kim received his B.S in Materials Science and Engineering from Seoul National University in South Korea in 2000. He earned his Ph.D. degree in Materials Science and Engineering at MIT in 2004. His doctoral research sought to identify the corrosion mechanisms of constructional alloys in high temperature and high pressure steam environments with Professor Latanision in the Uhligh Corrosion Laboratory at MIT. After graduate research, Dr. Kim worked as a senior research engineer at Samsung-Corning Precision Glass Co. Ltd to improve the process yield for thin film transistor liquid crystal display (TFT-LCD) glass manufacturing by engineering high temperature refractory materials. After five years of industrial experience, Dr. Kim returned to MIT as a post-doctoral associate and later as a research scientist to contribute to the growing need for sustainable technology. He conducted research on high temperature electrochemical processes, including molten oxide electrolysis for carbon-free iron production and liquid metal batteries for large-scale energy storage.
• Environment-friendly electrochemical processes
• Corrosion of alloys and coatings in extreme environments
• Glass melting processes and chemistry
• High temperature materials
• Electrochemical energy storage
• Molten salt electrochemistry
• Thermodynamics of alloys
Dr. Kim’s research is motivated by the need for sustainable technology development for our modern society. The primary focus of his research lies in understanding and developing electrochemical processes to meet these needs. Electrochemical methods are critical in the evolution of technology-driven society with wide applications to energy storage and conversion systems, extraction and recycling of natural resources, and corrosion science. Furthermore, electrochemical systems offer a key to understanding fundamental thermodynamic and kinetic properties of materials and interfaces. Considering the demand for energy and resources for the current and following generations, the development of environment-friendly technologies and efficient extraction/recycling processes of resources is a requirement for a sustainable society. Thus, Dr. Kim’s research interests embrace the development of environment-friendly electrochemical processes for resource extraction/recycling, the development of corrosion-resistant materials, and energy storage systems.
• Batteries and energy storage technologies
• Extractive metallurgy (Electro-metallurgy)
• Glass melting processes
• High temperature refractory alloys
• Oxidation-resistant alloys
H. Kim, D.A. Boysen, T. Ouchi, D.R. Sadoway. Calcium-bismuth electrodes for large-scale energy storage (liquid metal batteries). Journal of Power Sources, 241:239–248, 2013.
J.M. Newhouse, S. Poizeau, H. Kim, B.L. Spatocco, D.R. Sadoway. Thermodynamic properties of calcium-magnesium alloys by determined by emf measurements. Electrochimica Acta, 91: 293–301, 2013.
H. Kim, D.A. Boysen, J.M. Newhouse, B.L. Spatocco, B. Chung, P.J. Burke, D.J. Bradwell, K. Jiang, A.A. Tomaszowska, K. Wang, W. Wei, L.A. Ortiz, S.A. Barriga, S.M. Poizeau, D.R. Sadoway. Liquid metal batteries: past, present, and future. Chemical Reviews, 113(3): 2075–2099, 2013.
S. Poizeau, H. Kim, J.M. Newhouse, B.L. Spatocco, D.R. Sadoway. Determination and modeling of the thermodynamic properties of mixing of liquid calcium-antimony alloys. Electrochimica Acta, 76: 8–15, 2012.
D.J. Bradwell, H. Kim, A.H. Sirk, D.R. Sadoway. Magnesium-antimony liquid metal battery for stationary energy storage. Journal of the American Chemical Society, 134(4): 1895–1897, 2012.
H. Kim, D.A. Boysen, D.J. Bradwell, B. Chung, K. Jiang, A.A. Tomaszowska, K. Wang, W. Wei, D.R. Sadoway. Thermodynamic properties of Ca-Bi alloys determined by emf measurements. Electrochimica Acta, 60: 154–162, 2012.
H. Kim, J. Paramore, A. Allanore, D.R. Sadoway. Electrolysis of molten iron oxide with an iridium anode: The role of electrolyte basicity. Journal of the Electrochemical Society, 158(10): E101–E105, 2011.
H. Kim, D.B. Mitton, R.M. Latanision. Stress corrosion cracking of Alloy 625 in pH 2 aqueous solution at high temperature and pressure. Corrosion, 67(3): 035002, 2011.
H. Kim, D.B. Mitton, R.M. Latanision. Effect of pH and temperature on corrosion behavior of nickel-base alloys of 625 and C-276 in high temperature and pressure aqueous solutions. Journal of the Electrochemical Society, 157(5): C194–C199, 2010.
H. Kim, D.B. Mitton, R.M. Latanision. Corrosion behavior of Ni-base alloys in aqueous HCl solution of pH 2 at high temperature and pressure. Corrosion Science, 52: 801–809, 2010.
Professor Liu obtained his B. S. in Metallurgy from Central South University in Changsha, M.S. in Materials Engineering from University of Science and Technology Beijing, and PhD in Physical Metallurgy from Royal Institute of Technology (KTH). He obtained the Docent title in 1996 from KTH before becoming a research associate in the Department of Materials Science and Engineering, University of Wisconsin-Madison. After a short stay with QuestTek Innovation, LLC at Evanston, Illinois as a Senior Research Scientist, he joined the faculty of the Pennsylvania State University in 1999 and became associate professor in 2003 and professor in 2006 in the Department of Materials Science and Engineering. He authored or co-authored over 310 peer reviewed journal publications plus two book chapters and 2 U.S. patents, and graduated 21 B.S., 8 M.S., and 21 Ph.D. students to date (Winter 2013). Dr. Liu created the NSF Industry/University Cooperative Research Center for Computational Materials Design (CCMD) in 2005 and serves as the Director of the CCMD. He was elected to Fellow of ASM International and received the ASM International Materials Silver Awards in 2007. In 2008, he was awarded the Wilson Award for Excellence in Research from the College of Earth and Mineral Science, Pennsylvania State University, and the Spriggs Phase Equilibria Award from The American Ceramic Society. He received the Faculty Mentoring Award, College of Earth and Mineral Science, Pennsylvania State University (2011), Brimacombe Medalist Award, TMS (2012), and J. Willard Gibbs Phase Equilibria Award, ASM International (2014). He was/is a member of TMS Board of Directors (2008-2011), a Chang Jiang Chair Professor of Chinese Ministry of Education at Central South University, China (2008-2014), a Ming Jiang Chair Professor at Xiamen University, China (2009-2015), and a member of ASM International Board of Trustees (2013-2016).
Computational materials design
Professor Liu’s research interests focus on the modeling and design of a wide range of materials chemistry and processing through integrating first-principles calculations, statistic mechanics, thermodynamic/kinetic modeling, and critically designed experiments for structural and functional applications.
Recent studies in Professor Liu’s Phases Research Lab (http://www.phases.psu.edu) concentrate on aluminum alloys, magnesium alloys, Ni-base superalloys, titanium alloys, ion transport membranes, ferroelectrics, and Li-ion battery materials. The primary emphasis is on fundamentals of phase stability, defect chemistry, and their applications in understanding and predicting relationships among materials chemistry, processing, and properties.
Professor Liu’s research activities are supported by both federal funding agencies (National Science Foundation, Office of Naval Research, US Army Research Lab, US AirForce, DARPA) and industrial companies (Air Products and Chemicals, Inc.; USAMP; and members of the CCMD).The partial list of research projects includes:
Prof. Liu directs the Center for Computational Materials Design (http://www.ccmd.psu.edu), originally a National Science Foundation Industry/University Cooperative Research Center with support from national laboratories and manufacture companies in the United States, jointly with Georgia Institute of Technology. This center aims to educate the next generation of scientists and engineers with a broad, industrially relevant perspective on engineering research and practice.
Lightweight materials for vehicle applications; solid-oxide fuel cells; Li-ion battery; solar materials; ferroelectrics, ionic transportation membranes, thermal and environmental barrier coatings; land-based and airborne gas turbine systems; computational methodology in materials research and development transferable across inorganic materials
The complete list of publications is at http://www.phases.psu.edu/?page_id=785
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