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Kai He

Kai He

Assistant Professor

Phone: (864) 656-9717
Office: 285 Sirrine Hall
E-mail: kaihe@clemson.edu
Website: https://cecas.clemson.edu/helab/


Overview

Dr. He is currently an Assistant Professor of the Department of Materials Science and Engineering at Clemson University. He received his Ph.D. at Arizona State University, and M.S. and B.S degrees from Harbin Institute of Technology, China. Prior to joining Clemson in 2018, he was a Research Assistant Professor in the Materials Science and Engineering Department at Northwestern University after completion of postdoctoral training at the University of Maryland and Brookhaven National Laboratory.

Dr. He’s research interests focus on advanced electron microscopy methodologies and their applications in multifunctional nanomaterials for sustainable energy and quantum information technologies. He has extensive expertise in developing novel characterization methods, especially the state-of-the-art in-situ TEM techniques for atomically-resolved real-time imaging and spectroscopy  His research has been sponsored by the National Science Foundation and Department of Energy. He has published more than 70 peer-reviewed papers in top-ranked journals with over 4000 citations. 

Education

Ph.D., Arizona State University (2010)
M.S., Harbin Institute of Technology, China (2006)
B.S., Harbin Institute of Technology, China (2004)

Research Areas

Transmission electron microscopy
In-situ microscopy/ spectroscopy/ holography
Multifunction nanomaterials
Energy conservation and storage
Quantum materials

Recent Awards

U.S. Department of Energy Early Career Award (2021)
American Chemical Society Petroleum Research Fund New Investigator Award (2021)
Clemson University Research, Scholarship and Artistic Achievement Award (2021)
Clemson University's Junior Researcher of the Year Nominee (2020)
NSF EPSCOR RII Track-4 Fellowship (2019)
Presidential Postdoctoral Scholar Award of the Microscopy Society of America (2014)

 

Selected Publications

Cui, H. Zheng, Z. Zhang, S. Hwang, X.Q .Yang, K He*, “Origin of anomalous high-rate Na-ion electrochemistry in layered bismuth telluride anodes”, Matter, 4, 1335 (2021).

J. Cui, H. Zheng, K. He*, “In situ transmission electron microscopy of conversion-type electrodes for rechargeable ion batteries (Invited Review)”, Advanced Materials, 33, 2000699 (2021).  

Y. Liu*, K. He*, Z. Jia*, C. Zhou*, et al. “Red-phosphorus-impregnated carbon nanofibers for sodium-ion batteries and liquefaction of red phosphorus”, Nature Communications, 11, 2520 (2020).

S. Kim, J. Cui, V. P. Dravid, K. He*, “Orientation-Dependent Intercalation Channels for Lithium and Sodium in Black Phosphorus”, Advanced Materials, 31, 1904623 (2019).

S Kim, K. He*, et al. “Atomic-Scale Observation of Electrochemically Reversible Phase Transformations in SnSe2 Single Crystals”, Advanced Materials, 30, 1804925 (2018).

S. Kim, K. He*, H. Y. Jeong*, et al. “In Situ Observation of Resistive Switching in an Asymmetric Graphene Oxide Bilayer Structure”, ACS Nano, 12, 7335 (2018).

K. He*, et al. “Kinetically-Driven Phase Transformation during Lithiation in Copper Sulfide Nanoflakes”, Nano Letters, 17, 5726 (2017).

K. He, et al. “Visualizing non-equilibrium lithiation of spinel oxide via in situ transmission electron microscopy”, Nature Communications, 7, 11441 (2016).

K. He, et al. “Sodiation Kinetics of Metal Oxide Conversion Electrodes: a Comparative Study with Lithiation”, Nano Letters, 15, 5755 (2015).

K. He, et al. “Transitions from near-surface to interior redox upon lithiation in conversion electrode materials”, Nano Letters, 15, 1437 (2015).

K. He, et al. “Sodiation via Heterogeneous Disproportionation in FeF2 Electrodes for Sodium-Ion Batteries”, ACS Nano, 8, 7251 (2014).

 

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