Kwangnam Kim

Portrait of Kwangnam Kim
Send Email Download Hi-res
  • Title
    Staff Scientist
  • Email
    kim109@llnl.gov
  • Phone
    (925) 424-3754
  • Organization
    Not Available

Research Interests

 

 

  • Materials and systems for energy storages 

  • Computational materials science—thermodynamics, kinetics, and transport properties of materials by multiscale modeling across scales 

  • Machine learning and AI for materials modeling and discovery 

  • Synergetic integration of simulation and experiment 

 

University of Michigan, Ann Arbor, MI, Mechanical Engineering, Ph.D.

Seoul National University, Seoul, Korea, Mechanical Engineering, M.S.

Hanyang University, Seoul, Korea, Mechanical Engineering, B.S.

Selected publications 

Google Scholar link. +equal contribution; *corresponding author. 

  1. D. M. Halat+*, H. Liu+, Kwangnam Kim, G. C. B. Alexander, X. Wang, A. Venkatesh, A. R. Altenhof, H. E. Mason, S. H. Lapidus, J. S. Yoon, I. Hung, Z. Gan, J. Cabana, D. J. Siegel*, J. A. Reimer*, and B. Key*, “Mg-ion Conduction in Antiperovskite Solid Electrolytes Revealed by 25Mg Ultra-High Field NMR and First-Principles Calculations”, Journal of American Chemical Society 147, 27949-27961 (2025). 

  1. Kwangnam Kim*, N. Adelstein, A. Dive, A. Grieder, S. Kang, B. Wood*, and L. F. Wan*, “Probing degradation at solid-state battery interfaces using machine-learning interatomic potential”, Energy Storage Materials 73, 103842 (2024). 

  1. L. Feng*, B. Wang*, Kwangnam Kim, L. Wan, B. Wood, and T. W. Heo*, “Machine-Learning-Assisted Deciphering of Microstructural Effects on Ionic Transport in Composite Materials: A Case Study of Li7La3Zr2O12-LiCoO2”, Energy Storage Materials 73, 103776 (2024). 

  1. W. S. Scheld*, Kwangnam Kim, C. Schwab, A. C. Moy, S-K. Jiang, M. Mann, C. Dellen, Y. J. Sohn, S. Lobe, M. Ihrig, M. G. Danner, C-Y. Chang, S. Uhlenbruck, E. Wachsman, B. J. Hwang, J. Sakamoto, L. Wan, B. C. Wood, M. Finsterbusch, and D. Fattakhova-Rohlfing*, “The Riddle of Dark LLZO: Cobalt Diffusion into the Garnet-based Separator of Solid-State Lithium Batteries”, Advanced Functional Materials, 33, 2302939 (2023). [Featured in Cover Picture of Issue][WILEY Top Viewed Article published in 2023] 

  1. Kwangnam Kim and D. J. Siegel*, “Machine Learning Reveals Features that Impact Ion Mobility in Anti-perovskite Solid Electrolytes”, Journal of Materials Chemistry A 10, 15169-15182 (2022). 

  1. Kwangnam Kim*, A. Dive, A. Grieder, N. Adelstein, S. Kang, L. Wan*, and B. Wood*, “Flexible machine-learning interatomic potential for simulating structural disordering behavior of Li7La3Zr2O12 solid electrolytes”, The Journal of Chemical Physics 156, 221101 (2022). 

  1. Kwangnam Kim+, Y. Li+, P-C. Tsai, F. Wang, Y-M. Chiang*, and D. J. Siegel*, “Exploring the Synthesis of Alkali-Metal Anti-Perovskites”, Chemistry of Materials 34, 947-958 (2022). 

  1. Kwangnam Kim+, D. Park+, H-G. Jung, K. Y. Chung, J. H. Shim, B. Wood, and S. Yu*, “Materials Design Strategy for Halide Solid Electrolytes Li3MX6 (X = Cl, Br, I) for All-Solid-State High-Voltage Li-Ion Batteries”, Chemistry of Materials 33, 3669-3677 (2021). 

  1. Kwangnam Kim and D. J. Siegel*, “Multivalent Ion Transport in Anti-Perovskite Solid Electrolytes”, Chemistry of Materials 33, 2187-2197 (2021). 

  1. F. Wang+, H. A. Evans+, Kwangnam Kim+, L. Yin, Y. Li, P-C. Tsai, J. Liu, S. H. Lapidus, C. M. Brown, D. J. Siegel, and Y-M. Chiang*, “Dynamics of Hydroxyl Anions Promotes Lithium Ion Conduction in Antiperovskite Li2OHCl”, Chemistry of Materials 32, 8481-8491 (2020). [link] 

  1. Kwangnam Kim and D. J. Siegel*, “Predicting Wettability and the Electrochemical Window of Lithium Metal/Solid Electrolyte Interfaces”, ACS Applied Materials & Interfaces 11, 39940-39950 (2019). 

  1. Kwangnam Kim and D. J. Siegel*, “Correlating Lattice Distortions, Ion Migration Barriers, and Stability in Solid Electrolytes”, Journal of Materials Chemistry A 7, 3216-3227 (2019). [Featured in a Journal of Materials Chemistry A and Materials Advances Editor’s Choice Collection on solid-state ion conductors] 

  1. Kwang Nam Kim, J. H. Kang, S. G. Lee, J. H. Nam*, and C-J. Kim, “Lattice Boltzmann Simulation of Liquid Water Transport in Microporous and Gas Diffusion Layers of Polymer Electrolyte Membrane Fuel Cells”, Journal of Power Sources 278, 703-717 (2015). 

  1. Kwang Nam Kim, D. H. Jeon*, J. H. Nam, and B. M. Kim, “A numerical study of straight-parallel PEM fuel cells at automotive operation”, International Journal of Hydrogen Energy 37, 9212-9227 (2012). 

  1. D. H. Jeon*, Kwang Nam Kim, S. M. Baek, and J. H. Nam, “The effect of relative humidity of the cathode on the performance and the uniformity of PEM fuel cells”, International Journal of Hydrogen Energy 36, 12499-12511 (2011). 

 

Patents 

  • D. J. Siegel and Kwangnam Kim, “Systems And Methods For Improved Solid-State Electrolytes” Filed 09/28/2018. US11482732B2; 10/25/2022. 

  • FY25 Winter Directorate Award for Publication – PLS/LLNL
  • Materials Research Society (MRS) Early Career Distinguished Presenter – 2024 MRS Fall Meeting
  • Honorable Mention at the ProQuest Distinguished Dissertation Awards – Rackham Graduate School, University of Michigan, March 2021
  • Richard F. and Eleanor A. Towner Prize for Distinguished Academic Achievement, College of Engineering - University of Michigan, January 2020