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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

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li qi

associate 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 an associate professor of electrical engineering at tsinghua university. he received his ph.d. degree in materials science at wuhan university of technology in 2013. he was awarded the excellent ph.d. dissertation award of hubei province in 2014. 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, and he was the recipient of the mrs postdoctoral award in 2016. qi li started his appointment at tsinghua university in december 2016. he received the ieee caixin sun and stan grzybowski young-professional achievement award in 2018. he has published more than 60 sci-indexed papers in high-impact journals such as nature, nature nanotechnology, pnas, nature communications and advanced materials. he serves as an editorial member of iet nanodielectrics, and is a guest editor of materials. he is a member of the professional committee of dielectric polymer composite materials and applications, composite materials association of china, and a member of the professional committee of high voltage, beijing electrical engineering association. he is the ieee senior member, and is also the member of mrs.

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

 dec. 2016~

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

 ieee caixin sun and stan grzybowski young-professional achievement award (2018)

 mrs (materials research society) postdoctoral award (2016)

 2nd place in materials visualization competition of penn state (2016)

 excellent phd dissertation award of hubei province (2014)

 changfei scholarship award (2012)

 national scholarship for graduate students (2012)

 excellent master dissertation award of hubei province (2011)

principle and application of functional dielectrics

technical development seminar for electrical engineering

• 2018.01~2021.12, 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) (pi)

• 2018.01~2019.12, synthesis of hierarchical nanoparticle/ferroelectric polymer composites and their dielectric and electrical energy storage properties, beijing natural science foundation. (grant no. 3182016) (pi)

• 2019.01-2021.12, key techniques in environment friendly high voltage power cables based on grafting polymers, headquarters projects of state grid corporation of china. (sub-project)

• 2017.07~2020.06, 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) (sub-task)

• 2017.07~2018.12, 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. (skld17m07) (pi)

• 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, §equal contribution

1) 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.

2) 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.

3) 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.

4) q. li, f. yao, y. liu, g. zhang, h. wang, q. wang. “high-temperature dielectric materials for electrical energy storage”. annu. rev. mater. res. 2018, 48, 219-243.

5) y. hou, y. zhou, l. yang, q. li*, y. zhang, l. zhu, m. a. hickner, q. m. zhang, q. wang*. “flexible ionic diodes for low-frequency mechanical energy harvesting”. adv. energy mater. 2017, 7, 1601983.

6) f. liu, q. li, j. cui, z. li, g. yang, y. liu, l. dong, c. xiong, h. wang, q. wang. “high-energy-density dielectric polymer nanocomposites with trilayered architecture”. adv. funct. mater. 2017, 27, 1606292.

7) a. azizi, m. r. gadinski, q. li, m. a. alsaud, j. wang, y. wang, b. wang, f. liu, l. q. chen, n. alem, q. wang. “high-performance polymers sandwiched with chemical vapor deposited hexagonal boron nitrides as scalable high-temperature dielectric materials”. adv. mater. 2017, 29, 1701864.

8) 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.

9) g. zhang, x. zhang, h. huang, j. wang, q. li, l. q. chen, q. wang. “toward wearable cooling: highly flexible electrocaloric ba0.67sr0.33tio3 nanowire array”. adv. mater. 2016, 28, 4811-4816. (front cover)

10) l. xing§, q. li§, g. zhang, x. zhang, f. liu, l. liu, y. huang, q. wang. “self-healable polymer nanocomposites capable of simultaneously recovering multiple functionalities”. adv. funct. mater. 2016, 26, 3524-3531.

11) j. m. adhikari, m. r. gadinski, q. li, k. g. sun, m. a. reyes-martinez, e. iagodkine, a. l. briseno, t. n. jackson, q. wang, e. d. gomez. “controlling chain conformations of high-k fluoropolymer dielectrics to enhance charge mobilities in rubrene single-crystal field-effect transistors”. adv. mater. 2016, 28, 10095–10102.

12) 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.

13) 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.

14) g. zhang§, q. li§, h. gu, s. jiang, k. han, m. r. gadinski, m. a. haque, q. zhang, q. wang. “ferroelectric polymer nanocomposites for room-temperature electrocaloric refrigeration”. adv. mater. 2015, 27, 1450-1454.

15) 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.

16) k. han§, q. li§, c. chanthad, m. r. gadinski, g. zhang, q. wang. “a hybrid material approach toward solution-processable dielectrics exhibiting enhanced breakdown strength and high energy density”. adv. funct. mater. 2015, 25, 3505-3513.

17) 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.

18) p. khanchaitit, k. han, m. r. gadinski, q. li, q. wang. “ferroelectric polymer networks with high energy density and improved discharged efficiency for dielectric energy storage”. nature commun. 2013, 4, 2845.

19) q. li, l. dong, j. fang, c. xiong. “property-structure relationship of nanoscale ionic materials based on multiwalled carbon nanotubes”. acs nano 2010, 4, 5797-5806.

20) q. li, l. dong, w. deng, q. zhu, y. liu, c. xiong. “solvent-free fluids based on rhombohedral nanoparticles of calcium carbonate”. j. am. chem. soc. 2009, 131, 9148-9149.

(2) book chapter

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 international publishing. (2016)

(3) patent

1) q. wang, q. li. “high temperature dielectric materials, method of manufacture thereof and articles comprising the same”. us. patent no. 10,020,115 b2.

2) k. h. choi, q. zhang, y. zhou, q. wang, q. li. “energy harvesting device using electroactive polymer nanocomposites”. us. patent application no. 15/374,308.

3) q. li, j. he, y. zhou, r. zeng. “high-temperature high-performance capacitor film continuous production device and method”. pct patent application no. pct/cn2018/112187

(1) professional society membership

 professional committee of dielectric polymer composite materials and applications, chinese society for composite materials. member

 professional committee of high voltage, beijing electrical engineering association. member

 ieee senior member

 mrs member

(2) editorship

 editorial board member of iet nanodielectrics

 guest editor of special issue “polymers for film capacitors”, materials

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