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Electrochemical Catalysis

更新时间:2018-09-11 00:57:43

      Electrochemical energy storage and conversion devices with high energy densities, like air-battery, fuel cell, and water splitting, are the promising technologies for the development of sustainable energy. For these devices, the electroactive cathode materials play a crucial role in the operation of the whole device. In our lab, via rational design material scheme, we enable to design and fabricate high active electrocatalysts like mullite oxides, layered-double hydroxide, carbon, and perovskite. Furthermore, we decorate the anode material to avoid the problems such as dendrite growth, passivation layer formation, etc. to ensure the safety, cyclicality, and high performance when the temperature is varying from -40oC to 80oC.

       We are also interested in the theoretical design of electrode material for supercapacitors(SCs) in the applications in portable electronics, electric vehicles, and smart grid. Through DFT-based calculations, we mainly focus on the low-dimensional materials like graphene, MXenes, etc.. We consider more realistic device operation conditions and tend to develop a new understanding of capacitance mechanisms and how to further improve and optimize the high-performance electrode materials. 


“Shape-modulated synthesis of mullite SmMn2O5 nanostructures with fast sensing response to acetone”, Zhu, Z., Zheng, L., Zheng, S., Yu, M., Yu, M., Wang, X., Yuan, Z., Wang, W.*, Yang, D*. Ceramics International, 2019, 45, 885-891. DOI: 10.1016/j.ceramint.2018.09.26.

“Single-atom Au/NiFe layered double hydroxide electrocatalyst: Probing the origin of activity for oxygen evolution reaction”, Zhang, J., Liu, J., Xi, L., Yu, Y., Chen, N., Sun, S., Wang, W.*, Lange, K.M., Zhang, B.*, Journal of the American Chemical Society, 2018, 140, 3876-3879. DOI: 10.1021/jacs.8b00752

“Identifying the Key Role of Pyridinic-N-Co Bonding in Synergistic Electrocatalysis for Reversible ORR/OER”, Wang, X.R., Liu, J.Y., Liu, Z.W., Wang, W.C.*, Luo, J., Han, X.P., Du, X.W., Qiao, S.Z., Yang, J.*, Advanced Materials, 2018, 30, p.1800005. DOI: 10.1002/adma.201800005.

Morphology-controlled synthesis of SmMn2O5 nanocrystals via a surfactant-free route for Zn-air batteries”, Yu, M., Wei, Q., Wu, M., Wu, J., Liu, J., Zhang, G., Sun, S., Wang, W.*, Journal of Power Sources, 2018, 396, 754-763. DOI: 10.1016/j.jpowsour.2018.06.095

“Oxygen Reduction Reaction Catalytic Activity Enhancement over Mullite SmMn2O5 via Interfacing with Perovskite Oxides”, Zhao, C., Yu, M., Yang, Z., Liu, J., Chen, S., Hong, Z., Chen, H., Wang, W*., Nano Energy, 2018, 51, 91-101. DOI: 10.1016/j.nanoen.2018.06.039.

“Influence of B-site transition metal on NO oxidation over LaBO3 (B=Mn, Fe and Co) perovskite catalysts”, X. L. Yao , J. Y. Liu* and W. C. Wang, AIP Adv. 2018, 8(11):115222.

“Investigation of high oxygen reduction reaction catalytic performance on Mn-based mullite SmMn2O5”, Liu, J., Yu, M., Wang, X., Wu, J., Wang, C., Zheng, L., Yang, D., Liu, H., Yao, Y., Lu, F., Wang, W*., Journal of Materials Chemistry A, 2017, 5, 20922-20931. DOI: 10.1 039/c7ta02905e.


Prof. WeiChao Wang

Principle Investigator