Research Fields:

Flexible thermoelectrics   Flexible supercapacitors
 

Current Courses：

Projects:

1) National Nature Science Foundation (No. 51972234) “Synergistic tuning of electrical and thermal transport properties of silver selenide based flexible thermoelectric films” 2020-2023
2) Intergovernmental International Science and Technology Innovation Cooperation Project of the Ministry of Science and Technology (SQ2018YFE010905) Study on High Performance Thermoelectric Thin Films and High Efficiency Power Generation and Refrigeration, 2020-2022, responsible for flexible inorganic-organic thermoelectric composite films
3) Key Project of National Nature Science Foundation (No. 51632010) “Study on Key Scientific Problems of Design Principle and Integrated Technology of High Performance Thermoelectric Devices, 2017-2021, responsible for flexible thermoelectric devices
 

Publications：

1. Y. Ding, Y. Qiu, K. Cai*, Q. Yao, S. Chen, L. Chen, J. He, High performance n-type Ag2Se film on nylon membrane for flexible thermoelectric power generator, Nature Comm. 10 (2019) 841.      

2. Qiufeng Meng, Yang Qiu, Kefeng Cai,*, Yufei Ding, Mengdi Wang, Hongting Pu, Qin Yao, Lidong Chen,*, Jiaqing He,*High performance and flexible polyvinyl pyrrolidone/Ag/Ag2Te ternary composite film for thermoelectric power generator, ACS Appl. Mater. Interfaces https://doi.org/10.1021/acsami.9b11217

3.Yao Lu, Yufei Ding, Yang Qiu, Kefeng Cai*, Qin Yao, Haijun Song, Liang Tong, Jiaqing He*, Lidong Chen, Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films, ACS Appl. Mater. Interfaces 11(2019) 12819-12829

4 Liang Tong, Mingyuan Gao, Cong Jiang, Kefeng Cai*, Ultra-high performance and flexible polypyrrole coated CNT paper electrode for all-solid-state supercapacitors, J. Mater. Chem. A, 7(2019),10751

5,D. Ni, Y. Chen, H. Song, C. Liu, X. Yang, K. Cai*, Free-standing and highly conductive PEDOT nanowire films for high-performance all-solid-state supercapacitors, J. Mater. Chem. A, 7(2019),1323      

6. Haijun Song, Qiufeng Meng, Yao Lu, and Kefeng Cai*, Progress on PEDOT:PSS/Nanocrystal Thermoelectric Composites, Adv. Electron. Mater. 2019, 1800822 (invited)      

7.Y. Lu, Y. Qiu, Q. Jiang, K. Cai*, Y. Du, H. Song, M. Gao, C. Huang, J. He, D. Hu, Preparation and characterization of Te/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/Cu7Te4 ternary composite films for flexible thermoelectric power generator, ACS Appl. Mater. Interfaces 10 (2018) 42310-42319.      

8.Yuanxun Chen, Dan Ni, Xiaowei Yang, Congcong Liu, Junlin Yin, Kefeng Cai*, Microwave-assisted synthesis of honeycomblike hierarchical spherical, Zn-doped Ni-MOF as a high-performance battery-type supercapacitor electrode material, Electrochimica Acta 278 (2018) 114e123      

9. Y. Chen, K. Cai*, C. Liu, H. Song, and X. Yang, High-performance and breathable polypyrrole coated air-laid paper for flexible all-solid-state supercapacitors, Adv. Energy Mater., 2017, 1701247      

10. Q. Meng, K. Cai*, Y. Chen and L. Chen, Research progress on conducting polymer based supercapacitor electrode materials, Nano Energy, 2017, 36, 268-285 (ESI highly cited paper as of 2018.3)      

11.  Y. Chen, W. Ma, K. Cai*, X. Yang,  C. Huang, In Situ Growth of Polypyrrole onto Three-Dimensional Tubular MoS2 as an Advanced Negative Electrode Material for Supercapacitor, Electrochimica Acta, 2017,246 : 615-624