刘凯课题组在化学、化工、材料、能源的交叉领域，从高分子储能膜材料的“分子设计、材料合成、性能表征”，应用于锂离子电池隔膜、全固态电池等，解决国家重大需求。

研究方向

1. 聚合物储能材料：利用共价聚合物、超分子聚合物的特点制备高能、安全、稳定的聚合物储能材料，如锂离子电池隔膜、固态电解质等。

2. 锂离子电池安全材料：更深入的了解锂离子电池热失控的机理，设计制备智能、安全的锂离子电池材料。

研究成果

1. K. Liu, Y. Y. Liu, D. C. Lin, A. Pei, Y. Cui*. Materials For Lithium Ion Battery Safety. Science Advances, 2018, 4, eaas9820.

2. G. Zhou#, K. Liu# (contributed equally), Y. Fan, M. Yuan, B. Liu, W. Liu, F. Shi, Y. Liu, W. Chen, J. Lopez, D. Zhuo, J. Zhao, Y. Tsao, X. Huang, Q. Zhang, and Y. Cui*. An Aqueous Inorganic Polymer Binder for High Performance Lithium−Sulfur Batteries with Flame-Retardant Properties. ACS Central Science, 2018, 4, 260.

3. K. Liu#, C. Liu# (contributed equally), P. C. Hsu, J. W. Xu, B. Kong, T. Wu, R. F. Zhang, G. M. Zhou, W. Huang, J. Sun, Y. Cui*. Core-Shell Nanofibrous Materials With High Particulate Matter Removal Efficiencies And Thermally-Triggered Flame Retardant Properties. ACS Central Science, 2018, 4, 894.

4. K. Liu, B. Kong, W. Liu, Y. M. Sun, M. S. Song, J. Chen, Y. Y. Liu, D. C. Lin, A. Pei, Y. Cui*. Stretchable Lithium Metal Anode with Improved Mechanical and Electrochemical Cycling Stability. Joule, 2018, 2, 1857.

5. K. Liu, W. Liu, Y. C. Qiu, B. Kong, Y. M. Sun, Z. Chen, D. Zhuo, D. C. Lin, Y. Cui*. Electrospun Core-Shell Microfiber Separator with Thermal Triggered Flame-Retardant Properties for Lithium Ion Batteries. Science Advances, 2017, 3, e1601978.

a)

6. K. Liu#, A. Pei#(contributed equally), H. R. Lee, B. Kong, N. Liu, D. Lin, Y. Liu, C. Liu, P.-C. Hsu, Z. Bao, and Y. Cui*. Lithium Metal Anodes with an Adaptive 'Solid Liquid' Interfacial Protective Layer. J. Am. Chem. Soc. 2017, 139, 4815.

7. K. Liu#, D. Zhuo#(contributed equally), H. W. Lee, W. Liu, D. C. Lin, Y. Y. Lu, Y. Cui*. Extending the Life of Lithium-Based Rechargeable Batteries by Reaction of Lithium Dendrites with a Novel Silica Nanoparticle Sandwiched Separator. Advanced Materials. 2016, 29, 1603987.

8. K. Liu, Y. X. Yao, Y. T. Kang, Y. Liu, Y. C. Han, Y. L. Wang, Z. B. Li, X. Zhang*. A Supramolecular Approach to Fabricate Highly Emissive Smart Materials. Scientific Report 2013, 3, 2372.

9. K. Liu, X. Y. Zheng, A. Z. Samuel, S. G. Ramkumar, S. Ghosh, X. X. Tan, D. Wang, Z. G. Shuai, S. Ramakrishnan, D. S. Liu, X. Zhang*. Stretching Single Polymer Chains of Donor-Acceptor Foldamers: Towards the Quantitative Study on the Extent of Folding. Langmuir 2013, 29, 14438.

10. K. Liu, Y. L. Liu, Y. X. Yao, H. X. Yuan, S. Wang, Z. Q. Wang, X. Zhang*. Supramolecular Photosensitizers with Enhanced Antibacterial Efficiency. Angew. Chem. Int. Ed. 2013, 52, 8285.

11. K. Liu, Y. T. Kang, Z. Q. Wang, X. Zhang*. Reversible and Adaptive Functional Supramolecular Materials: “Noncovalent Interaction” Matters. Advanced Materials. 2013, 25, 5530.

12. K. Liu, Y. X. Yao, C, Wang, Y. Liu, Z. B. Li, X. Zhang*. From Bola-amphiphiles to Supra-amphiphiles: the Transformation from Two-Dimensional Nanosheets into One-Dimensional Nanofibers with Tunable-Packing Fashion of n-Type Chromophores. Chemistry-A European Journal 2012, 18, 8622.

13. K. Liu, Y. X. Yao, Y. Liu, C. Wang, Z. B. Li, X. Zhang*. Self-Assembly of Supra-amphiphiles Based on Dual Charge-Transfer Interactions: From Nanosheets to Nanofibers. Langmuir 2012, 28, 10697.

14. K. Liu, Y. Song,W. Feng, N. N. Liu,W. K. Zhang, X. Zhang*. Extracting a Single Polyethylene Oxide Chain from a Single Crystal by a Combination of Atomic Force Microscopy Imaging and Single-Molecule Force Spectroscopy: Toward the Investigation of Molecular Interactions in Their Condensed States. J. Am. Chem. Soc. 2011, 133, 3226.

15. K. Liu, C. Wang, Z. B. Li, X. Zhang*. Superamphiphiles Based on Directional Charge-Transfer Interactions: From Supramolecular Engineering to Well-Defined Nanostructures. Angew. Chem. Int. Ed. 2011, 50, 4952.