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Yujing Bi

Yujing Bi

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 372-4757


Dr. Yujing Bi is a material scientist in Battery Materials & Systems group at Pacific Northwest National Laboratory. He has expertise and experience in the fundamental study of battery materials, scaling up of new battery materials, electrode processing and pouch cell technologies, practically in the cathode field. Dr. Bi studied the mechanical degradation behavior of single crystal Ni-rich and published a paper on Science as cover. He developed facility for scaling up cathode materials and has successfully scaled up the patented synthesis approach for single crystal Ni-rich cathode materials. Dr. Bi has more 40 peer-viewed papers and holds 17 granted and pending patents.

Research Interests

  • Battery materials and interfaces
  • Materials ex/in-situ characterization
  • Battery Materials Scaling-up and manufacturing
  • Cell design

Education and Credentials

  • 2013-2017, Ph. D., Material Physics and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, China

Affiliations and Professional Service

  • The Electrochemical Society
  • American Chemical Society

Awards and Recognitions

  • International Training Program Scholarship, University of Chinese Academy of Sciences, 2015-2016
  • National Graduate Mathematical Modeling Contest, Second Award, China, 2010

PNNL Patents

PNNL Publications


  • Bi Y., Y. Xu, R. Yi, D. Liu, P. Zuo, J. Hu, and Q. Li, et al. 2023. "Simultaneous Single Crystal Growth and Segregation of Ni-Rich Cathode Enabled by Nanoscale Phase Separation for Advanced Lithium-Ion Batteries." Energy Storage Materials 62. PNNL-SA-179330. doi:10.1016/j.ensm.2023.102947


  • Bi Y., Q. Li, R. Yi, and J. Xiao. 2022. "To Pave the Way for Large-Scale Electrode Processing of Moisture-Sensitive Ni-rich Cathodes." Journal of Electrochemical society 169, no. 2:Art. No. 20521. PNNL-SA-168726. doi:10.1149/1945-7111/ac4e5d
  • Hu J., L. Li, Y. Bi, J. Tao, J.A. Lochala, D. Liu, and B. Wu, et al. 2022. "Locking Oxygen in Lattice: A Quantifiable Comparison of Gas Generation in Polycrystalline and Single Crystalline Ni-Rich Cathodes." Energy Storage Materials 47. PNNL-SA-163635. doi:10.1016/j.ensm.2022.02.025


  • Hu J., B. Wu, S. Chae, J.A. Lochala, Y. Bi, and J. Xiao. 2021. "Achieving Highly Reproducible Results in Graphite-based Li-ion Full Coin Cells." Joule 5, no. 5:1011-1015. PNNL-SA-159080. doi:10.1016/j.joule.2021.03.016
  • Hu J., L. Li, E. Hu, S. Chae, H. Jia, T. Liu, and B. Wu, et al. 2021. "Mesoscale-architecture-based crack evolution dictating cycling stability of advanced lithium ion batteries." Nano Energy 79. PNNL-SA-153829. doi:10.1016/j.nanoen.2020.105420
  • Hu J., Q. Wang, B. Wu, S. Tan, Z. Shadike, Y. Bi, and M. Whittingham, et al. 2021. "Fundamental Linkage Between Structure, Electrochemical Properties and Chemical Compositions of LiNi1-x-yMnxCoyO2 Cathode Materials." ACS Applied Materials & Interfaces 13, no. 2:2622-2629. PNNL-SA-152584. doi:10.1021/acsami.0c18942


  • Bi Y., J. Tao, Y. Wu, L. Li, Y. Xu, E. Hu, and B. Wu, et al. 2020. "Reversible planar gliding and microcracking in a single-crystalline Ni-rich cathode." Science 370, no. 6522:1313-1317. PNNL-SA-152319. doi:10.1126/science.abc3167
  • Hu J., B. Wu, X. Cao, Y. Bi, S. Chae, C. Niu, and B. Xiao, et al. 2020. "Evolution of the Rate-Limiting step: From Thin Film to Thick Ni-rich Cathodes." Journal of Power Sources 454. PNNL-SA-150400. doi:10.1016/j.jpowsour.2020.227966
  • Xiao J., Q. Li, Y. Bi, M. Cai, B. Dunn, T. Glossmann, and J. Liu, et al. 2020. "Understanding and applying coulombic efficiency in lithium metal batteries." Nature Energy 5, no. 8:561-568. PNNL-SA-152318. doi:10.1038/s41560-020-0648-z

Energy and Environment

Core Research Areas