Data-Knowledge-Dual-Driven Electrolyte Design for Fast-Charging Lithium Ion Batteries.

Journal: Angewandte Chemie (International ed. in English)
Published Date:

Abstract

Electric vehicles (EVs) starve for minutes-level fast-charging lithium-ion batteries (LIBs), while the heat gathering at high-rate charging and torridity conditions has detrimental effects on electrolytes, triggering rapid battery degradation and even safety hazards. However, the current research on high-temperature fast-charging (HTFC) electrolytes is very lacking. We revolutionized the conventional paradigm of developing HTFC electrolytes integrating with high-throughput calculation, machine-learning techniques, and experimental verifications to establish a data-knowledge-dual-driven approach. Ethyl trimethylacetate was efficiently screened out based on the approach and enabled batteries to work under high temperatures with distinctly restricted side reactions. A stable and highly safe fast-charging (15-min charging to 80% capacity) cycling without Li plating was achieved over 4100 cycles at 45 °C based on 181 Wh kg pouch cells, demonstrating the state-of-the-art in this field.

Authors

  • Yi Yang
    Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
  • Nan Yao
    The Department of Radiology, Jiangmen Central Hospital/Affiliated Jiangmen Hospital of Sun Yat-Sen University, No. 23 Haibang Street, Jiangmen, 529000, Guangdong, China.
  • Yu-Chen Gao
    School of Economics and Management, Tsinghua University, Beijing 100084, China.
  • Xiang Chen
    Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, Zhejiang, China.
  • Yu-Xin Huang
    Beijing Key Laboratory of Complex Solid State Batteries, Tsinghua Center for Green Chemical Engineering Electrification, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China.
  • Shuo Zhang
    Ph.D. Program in Computer Science, The City University of New York, New York, NY, United States.
  • Han-Bing Zhu
    Beijing Key Laboratory of Complex Solid State Batteries, Tsinghua Center for Green Chemical Engineering Electrification, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China.
  • Lei Xu
    Key Laboratory of Biomedical Information Engineering of the Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China.
  • Yu-Xing Yao
    Beijing Key Laboratory of Complex Solid State Batteries, Tsinghua Center for Green Chemical Engineering Electrification, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China.
  • Shi-Jie Yang
    National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, China.
  • Zheng Liao
    School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, P.R. China.
  • Zeheng Li
    Beijing Key Laboratory of Complex Solid State Batteries, Tsinghua Center for Green Chemical Engineering Electrification, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China.
  • Xue-Fei Wen
    Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, 030032, P.R. China.
  • Peng Wu
    Department of Orthopedics, General Hospital of Ningxia Medical University, Yinchuan, China.
  • Ting-Lu Song
    School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, P.R. China.
  • Jin-Hao Yao
    Beijing Key Laboratory of Complex Solid State Batteries, Tsinghua Center for Green Chemical Engineering Electrification, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China.
  • Jiang-Kui Hu
    Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, P.R. China.
  • Chong Yan
    School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, P.R. China.
  • Jia-Qi Huang
    Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, P.R. China.
  • Qiang Zhang
    Yunan Provincial Center for Disease Control and Prevention, Kunming 650022, China.

Keywords

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