• WeChat official account for the department
    WeChat official account for undergraduate students of the department
    WeChat official account for graduate students of the department
    WeChat official account for alumni of the department
    WeChat official account for the Energy Internet Research Institute, Tsinghua University
    WeChat official account for the Sichuan Energy Internet Research Institute, Tsinghua University

清华大学电机系

清华大学电机系本科生

清华大学电机系研究生

清华大学电机系校友会

清华大学能源互联网创新研究院

faculties

Faculties

Current Location: Home > faculties > Li Qi

Li Qi

Professor

Research Direction

High-temperature dielectric materials; Smart dielectric materials; Ferroelectric polymer nanocomposites for energy conversion and harvesting

Room 210, High Voltage Lab, Department of Electrical Engineering, Tsinghua University

qili1020@tsinghua.edu.cn

010-62793705

  • Biography
  • Teaching
  • Research Project
  • Publications
  • Social service

Qi Li is currently a full Professor of Electrical Engineering at Tsinghua University. He received his Ph.D. degree in materials science at Wuhan University of Technology in 2013. From March of 2013 to November of 2016, he was a postdoctoral fellow at the Department of Materials Science and Engineering of the Pennsylvania State University. Qi Li started his appointment at Tsinghua University in December 2016. He has published more than 150 SCI-indexed papers in high-impact journals such as Nature, Nature Materials, Nature Nanotechnology, PNAS, Nature Communications and Advanced Materials. He was the recipient of the MRS Postdoctoral Award, the IEEE Caixin Sun and Stan Grzybowski Young-professional Achievement Award, the Beijing Science and Technology Award (Natural Science Award) First Prize, the Central Enterprise Yi Star Innovation and Creativity Competition First Prize, and the China Machinery Industry Science and Technology Invention Award Second Prize.

Educational Background

Sep. 2010~Jun. 2013

Ph.D., School of Materials Science and Engineering, Wuhan University of Technology, China.

Sep. 2007~Jun. 2010

Master, School of Materials Science and Engineering, Wuhan University of Technology, China.

Sep. 2003~Jun. 2007

Bachelor, School of Materials Science and Engineering, Wuhan University of Technology, China.

Work Experience

Jul. 2025~

Professor, Department of Electrical Engineering, Tsinghua University, China

Dec. 2016~Jun. 2025

Associate Professor, Department of Electrical Engineering, Tsinghua University, China

Mar. 2013~Nov. 2016

Postdoctoral Fellow, Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA.

Honors and Awards

· Central Enterprise Yi Star Innovation and Creativity Competition First Prize (2024)

· Beijing Science and Technology Award Natural Science Award First Prize (2023)

· Gold Prize of the Seoul International Invention Fair (2022)

· Gold Medal of the Macau International Innovation and Invention Expo (2022)

· Gold Prize of the National Exhibition of Inventions (2021)

· Young Talent Award of the Key Materials and Technologies of Electronic Components (2021)

· China Machinery Industry Science and Technology Invention Award Second Prize (2020)

· Outstanding Impact Award for China's Emerging Scientific and Technological Talents (2019)

· National Natural Science Fund for Excellent Young Scholars (2019)

· IEEE Caixin Sun and Stan Grzybowski Young-Professional Achievement Award (2018)

· MRS (Materials Research Society) Postdoctoral Award (2016)

· Excellent PhD Dissertation Award of Hubei Province (2014)

· Changfei Scholarship Award (2012)

· Excellent Master Dissertation Award of Hubei Province (2011)

· Fundamentals of Electronic Technology, 2 Credits, Undergraduate level

· Principle and Application of Functional Dielectric Materials, 2 Credits, Undergraduate level

· New Materials for High Voltage and Electrical Insulation, 2 Credits, Undergraduate level

· Study on Physical Property Evolution and Performance Improvement of Electromagnetic Energy Storage Dielectric Materials and Devices for Extreme Conditions, National Natural Science Foundation of China (Grant No. 92466301), 2025.01~2028.12, 12M RMB, Co-Principal Investigator (16.7%).

· Study and Application of Grafted Polypropylene Energy Storage Dielectric Films and Key Technology of Capacitor for Offshore Wind Power Converter Valves, Research project of State Grid Fujian Electric Power Corporation (Grant No. SGFJJP00DWJS2400279), 2024.12~2026.09, 2.02M RMB, Principle Investigator.

· Study on Key Technology of Light Flexible DC Feed Out Converter Valves for Offshore Wind Power -- Basis of DC Capacitor Design, Science and Technology Project of China Three Gorges Group Corporation (Grant No. 53002223), 2023.07~2024.12, 5.08M RMB, Co-Principle Investigator (40%).

· Development of Polypropylene Insulating Resin for Medium Voltage AC and DC Cables, Research project of Science and Technology Department of Sinopec (Grant No. G6001-22-ZS-0474), 2022.01~2024.12, 2M RMB, Principle Investigator.

· Controllable Synthesis and Scalable Preparation of Grafted Polypropylene-Based High Temperature Capacitor Films, National Natural Science Foundation of China (Grant No. 92166203), 2022.01~2025.12, 3M RMB, Principle Investigator.

· Design, Preparation and Application of Self-Diagnosis and Self-Repair Electrical Insulation Materials, Headquarters Projects of State Grid Corporation of China (Grant No. 5500-202199521A-0-5-ZN), 2021.10~2025.12, 4.75M RMB, Principal Investigator.

· Study on Grafting Modification of Polypropylene for Power Cable Insulations, Open Project of State Key Laboratory of Advanced Transmission Technology, 2021.07~2023.06, 330k RMB, Principal Investigator.

· Dielectric Polymer-Based Nanocomposites, National Natural Science Foundation of China for Excellent Young Scholars (Grant No. 51922056), 2020.01~2022.12, 1.2M RMB, Principal Investigator.

· High Voltage and Insulation Technology, National Natural Science Foundation of China for Innovative Research Group (Grant No. 51921005), 2020.01~2024.12, 10M RMB, Co-Principal Investigator (15%).

· Smart Dielectric Materials for Advanced Power Equipment, The National Key R&D Program of China (Grant No. 2018YFE0200100), 2019.08~2023.07, 6.7M RMB, Co-Principal Investigator (33%).

· Key Techniques in Environment Friendly High Voltage Power Cables Based on Grafting Polymers, Headquarters Projects of State Grid Corporation of China, 2019.01-2021.12, 3.2M RMB, Co-Principal Investigator (33%).

· Study on the Polarization Property of Interfacial Region in Dielectric Polymer Composites, Self-Determined Research Funds of the State Key Laboratory of Control and Simulation of Power System and Generation Equipments, 2019.07~2020.12, 300k RMB, Principal Investigator.

· Investigation on Structure Design and Dielectric and Capacitive Energy Storage Properties of Dielectric Materials for High-Temperature and High-Electric Field Film Capacitors, National Natural Science Foundation of China (Grant No. 51777101), 2018.01~2021.12, 620k RMB, Principal Investigator.

· Synthesis of Hierarchical Nanoparticle/Ferroelectric Polymer Composites and Their Dielectric and Electrical Energy Storage Properties, Beijing Natural Science Foundation (Grant No. 3182016), 2018.01~2019.12, 200k RMB, Principal Investigator.

· Nanocomposite Insulation Materials and the Key Technology of Application for Ultra-High Voltage Electrical Equipment, The National Key R&D Program of China (Grant No. 2017YFB0903800), 2017.07~2020.06, 890k RMB, Sub-Task.

· Research on High-Permittivity Dielectric Materials for High-Temperature Film Capacitors, Self-Determined Research Funds of the State Key Laboratory of Control and Simulation of Power System and Generation Equipments, 2017.07~2018.12, 300k RMB, Principal Investigator.

· 2017.01-2019.12, Key Techniques in High Power and High Energy Density Film Capacitors, Headquarters Projects of State Grid Corporation of China.

· 2017.12-2019.12, Research on the Novel Formula of Steep-Wave Suppression Insulation Material and the Preparation Method of the 550 kV GIS Steep-Wave Suppression Insulator, Electric Power Research Institute of Yunnan power grid co. LTD.

2018.01-2019-12, 550kV Long Bus GIS Steep-Wave Impact Test Platform, Electric Power Research Institute of Yunnan power grid co. LTD.

(1) Selected Journal Paper

*corresponding author

1) R. Wang, Y. Zhu, S. Huang, J. Fu, Y. Zhou, M. Li, L. Meng, X. Zhang, J. Liang, Z. Ran, M. Yang, J. Li, X. Dong, J. Hu, J. He, Q. Li*. “Dielectric Polymers with Mechanical Bonds for High-Temperature Capacitive Energy Storage”. Nat. Mater. 2025, 24, 1074-1081. (Highlighted in Nature Materials News & Views)

2) T. Zeng, L. Meng, Q. Li*, D. Liu, Q. Zhou, J. He, Q. Li*, C. Yuan*. “Enhancing Energetic Disorder in All-Organic Composite Dielectrics for High-Temperature Capacitive Energy Storage”. Nat. Commun. 2025, 16, 5620.

3) K. Zou, P. Bai, K. Li, F. Luo, J. Liang, L. Lin, R. Ma*, Q. Li*, S. Jiang, Q. Wang*, G. Zhang*. “Electronic Cooling and Energy Harvesting Using Ferroelectric Polymer Composites”. Nat. Commun. 2024, 15, 6670.

4) X. Huang, S. Zhang, P. Zhang, Y. Zhu, J. Xie, M. Yang, L. Han, J. Hu, Q. Li*, J. He*. “Autonomous Indication of Electrical Degradation in Polymers”. Nat. Mater. 2024, 23, 237-243. (Highlighted in Nature Materials News & Views)

5) M. Yang*, Y. Zhao, Z. Wang, H. Yan, Z. Liu, Q. Li*, Z. Dang*. “Surface Ions-Activated Polymer Composites Dielectrics for Superior High-Temperature Capacitive Energy Storage”. Energy Environ. Sci. 2024, 17, 1592-1602.

6) R. Wang, Y. Zhu, J. Fu, M. Yang, Z. Ran, J. Li, M. Li, J. Hu, J. He, Q. Li*“Designing Tailored Combinations of Structural Units in Polymer Dielectrics for High-Temperature Capacitive Energy Storage”. Nat. Commun. 2023, 14, 2406.

7) Z. Ran, R. Wang, J. Fu, M. Yang, M. Li, J. Hu, J. He, Q. Li*. “Spiral-Structured Dielectric Polymers Exhibiting Ultra-High Energy Density and Charge-Discharge Efficiency at High Temperatures”. Adv. Mater. 2023, 35, 2303849.

8) M. Yang, S. Wang, J. Fu, Y. Zhu, J. Liang, S. Cheng, S. Hu, J. Hu, J. He, Q. Li*“Quantum Size Effect to Induce Colossal High-Temperature Energy Storage Density and Efficiency in Polymer/Inorganic Cluster Composites”. Adv. Mater. 2023, 35, 2301936.

9) Y. Zhou, L. Li, Z. Han, Q. Li*, J. He, Q. Wang*. “Self-Healing Polymers for Electronics and Energy Devices”. Chem. Rev. 2023, 123, 558−612. (Invited Review)

10) S. Wang, Z. Luo, J. Liang, J. Hu, N. Jiang, J. He*, Q. Li*. “Polymer Nanocomposite Dielectrics: Understanding the Matrix/Particle Interface”. ACS Nano 2022, 16, 13612−13656.

11) C. Yuan, Y. Zhou, Y. Zhu, J. Liang, S. Wang, S. Peng, Y. Li, S. Cheng, M. Yang, J. Hu, B. Zhang, R. Zeng, J. He*, Q. Li*. “Polymer/Molecular Semiconductor All-Organic Composites for High-Temperature Dielectric Energy Storage”. Nat. Commun. 2020, 11, 3919. (Editors' Highlight)

12) L. Gao, Y. Yang, J. Xie, S. Zhang, J. Hu, R. Zeng, J. He*, Q. Li*, Q. Wang*. “Autonomous Self-Healing of Electrical Degradation in Dielectric Polymers Using In Situ Electroluminescence”. Matter 2020, 2, 451-463. (Highlighted in Matter Previews)

13) Y. Yang, J. He*, Q. Li*, L. Gao, J. Hu, R. Zeng, J. Qin, S. X. Wang, Q. Wang*. “Self-healing of electrical damage in polymers using superparamagnetic nanoparticles”. Nat. Nanotech. 2019, 14, 151-155.

14) S. Peng, X. Yang, Y. Yang, S. Wang, Y. Zhou, J. Hu, Q. Li*, J. He*. “Direct Detection of Local Electric Polarization in the Interfacial Region in Ferroelectric Polymer Nanocomposites”. Adv. Mater. 2019, 31, 1807722.

15) Y. Zhou, Q. Li*, B. Dang, Y. Yang, T. Shao, H. Li, J. Hu, R. Zeng, J. He*, Q. Wang*. “A Scalable, High-Throughput and Environmentally Benign Approach to Polymer Dielectrics Exhibiting Significantly Improved Capacitive Performance at High Temperatures”. Adv. Mater. 2018, 30, 1805672.

16) Q. Li, F. Liu, T. Yang, M. R. Gadinski, G. Zhang, L. Q. Chen, Q. Wang. “Sandwich-Structured Polymer Nanocomposites with High Energy Density and Great Charge-Discharge Efficiency at Elevated Temperatures”. Proc. Natl. Acad. Sci. U.S.A. 2016, 113, 9995-10000.

17) Q. Li, L. Chen, M. R. Gadinski, S. Zhang, G. Zhang, H. Li, A. M. Haque, L. Q. Chen, T. Jackson, Q. Wang. “Flexible High-Temperature Dielectric Materials from Polymer Nanocomposites”. Nature 2015, 523, 576–579. (Highlighted in Nature News & Views)

18) Q. Li, G. Zhang, X. Zhang, S. Jiang, Y. Zeng, Q. Wang. “Relaxor Ferroelectric Based Electrocaloric Polymer Nanocomposites with A Broad Operation Temperature Range and High Cooling Energy”. Adv. Mater. 2015, 27, 2236-2241.

19) Q. Li, G. Zhang, F. Liu, K. Han, M. R. Gadinski, C. Xiong, Q. Wang. “Solution-Processed Ferroelectric Terpolymer Nanocomposites with High Breakdown Strength and Energy Density Utilizing Boron Nitride Nanosheets”. Energy Environ. Sci. 2015, 8, 922-931.

20) Q. Li, K. Han, M. R. Gadinski, G. Zhang, Q. Wang. “High Energy and Power Density Capacitors from Solution-Processed Ternary Ferroelectric Polymer Nanocomposites”. Adv. Mater. 2014, 26, 6244-6249.

(2) Book Chapter

• "Principles and Applications of Functional Dielectrics", Edited by Li Qi, Tsinghua University Press (2025).

• X. Huang, L. Han, Z. Huang, Q. Li. “Smart Polymer Dielectrics”, Chapter 9 in High Temperature Polymer Dielectrics: Fundamentals and Applications in Power Equipment, Eds. J. Zha, Z. Dang, Wiley (2023).

• S. Cheng, Q. Li. “Polymer Dielectrics for Film Capacitors Applied in HVDC Transmission”, Chapter 24 in Polymer Insulation Applied for HVDC Transmission, Ed. B. Du, Springer (2020).

• S. Cheng, Q. Li. “High-Temperature Polymer-Based Dielectrics for Electrostatic Energy Storage”, Chapter 5 in Advanced Dielectric Materials for Electrostatic Capacitors, Ed. Q. Li, Institution of Engineering and Technology (2020).

• Q. Li, Q. Wang. “Polymer Nanocomposites for Power Energy Storage”, Chapter 6 in Polymer Nanocomposites: Electrical and Thermal Properties, Eds. X. Huang, C. Zhi, Springer (2016).

(1) Professional Society Membership

· IEEE, senior member

· China Electrotechnical Society, senior member

· Materials Research Society, member

· Royal Society of Chemistry, member

· IET, member

· Expert Committee on Energy Materials and Devices, National Think Tank for Materials and Devices Scientists, member

· Professional Committee of Dielectric Polymer Composite Materials and Applications, Chinese Society for Composite Materials, member

· Professional Committee of Power Grid Engineering Composite Materials, Chinese Society for Composite Materials, member

· CIGRE D1China Professional Committee, member

· Key Materials and Technology Committee of Electronic Components, Instrument Functional Materials Branch, Chinese Society of Instrumentation, member

· Insulation Materials and Insulation Technology Professional Committee of China Electrotechnical Society, member

· Energy Storage System and Equipment Professional Committee of China Electrotechnical Society, member

· Experts Working Committee of Power Cable and Accessories, Power Transmission and Distribution Technical Cooperation Network, member

(2) Editorship

· CSEE Journal of Power and Energy Systems, Associate Editor

· iEnergy, Associate Editor

· IET Nanodielectrics, Editorial Board Member

· Materials, Editorial Board Member

· Insulating Materials, Editorial Board Member