共价有机聚合物/石墨烯复合材料的制备及锂电性能研究

doi:10.11896/cldb.19010153

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Abstract Covalent organic polymer (COPs) is a kind of crystalline microporous polymer, which has been widely used due to its many excellent properties, such as high specific surface area, abundant pore size structure, low weight density. Here, melamine-based COPs with the lamellar structure were synthesized using melamine and 1,4-dibromobutane. The thickness of the flake is about 3.5 nm. COPs/rGO composites were prepared by in situ doping graphene (rGO) and the electrochemical performance as a lithium-ion battery anode materials was studied. The composite materials show a reversible capacity of 420 mAh/g after 100 cycles at a current density of 50 mA/g, at the same time, it shows excellent high current density and rate capability.

Key words： lithium-ion batteries covalent organic polymer graphene electrochemical performance

Published: 12 March 2020

CLC number:

TM912.9

Fund:This work was financially supported by the Natural Science Foundation of Ningbo (2018A610011) and the Opening Project of State Key Laboratory of High Performance Ceramics and Superfine Microstructure (SKL201805SIC).

About author:: Guoliang Gaoreceived his M.S. degree in June 2017 from South China Normal University (SCNU). From April 2016 to April 2017, he co-educated and learned at the Ningbo Institute of Materials Technology & Engineering (CAS), focusing on the research of anode materials for lithium ion batteries; Cai Shenreceived his Ph.D. in Chemistry from the University of St Andrews at UK in 2008. Before joining Ningbo Institute of Materials Technology and Enginee-ring, Chinese Academy of Science as an associate professor, he worked as a postdoc fellow in the University of Maryland (USA) and Aarhus University (Denmark). His research interests include electrochemistry, catalyst, atomic force microscopy and other surface science related topics. He has published more than 70 papers in peer-reviewed journals including JACS, ACS Nano, Chem. Sci., Small Methods, Ultramicroscopy, and Journal of Microscopy.

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	GAO Guoliang
	ZHANG Haitao
	LI Chenbin
	WANG Deyu
	SHEN Cai

Cite this article:

GAO Guoliang,ZHANG Haitao,LI Chenbin, et al. Synthesis and Li-ion Storage Properties of COPs/rGO Composites[J]. Materials Reports, 2020, 34(6): 6161-6165.

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http://www.mater-rep.com/EN/10.11896/cldb.19010153 OR http://www.mater-rep.com/EN/Y2020/V34/I6/6161

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