Materials Reports  2019, Vol. 33 Issue (Z2): 516-520 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Preparation and Electrochemical Performance of Chitosan/Polyvinyl Alcohol-basedComposite Carbon Nanofibers by Electrospinning |
| ZHANG Tao1,2,3, SUN Youyi1,2,3, LIU Yaqing1,2,3
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1 Shanxi Province Key Laboratory of Functional Nanocomposites,Taiyuan 030051;
2 Research Center for Engineering Technology of Polymeric Composites of Shanxi Province,Taiyuan 030051;
3 School of Materials Science and Engineering,North University of China, Taiyuan 030051 |
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Abstract The electrochemical properties of electrospining chitosan/polyvinyl alcohol-based composite carbon nanofiber membranes prepared at different carbonization temperatures for supercapacitor electrode materials were observed and studied. The structure of carbon nanofiber membranes obtained by different carbonization temperatures was characterized by SEM, XRD and Raman techniques. And the electrochemical performance of carbon nanofiber membranes obtained at different carbonization temperatures was tested by electrochemical techniques such as cyclic voltammetry (CV) and constant current charge/discharge (GCD). The results show that the composite carbon nanofibers prepared at a carbonization temperature of 700 ℃ have good electrochemical performance. The discharge specific capacitance is as high as 215 F/g at a current density of 1 A/g, and the capacity retention rate after 4 000 cycles is almost 100%, showing higher discharge specific capacitance and better cycle stability.
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Published: 25 November 2019
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| Fund:This work was financially supported by the National Natural Science Foundation of China(U101014), the Shanxi International Cooperation Project(201803D421081). |
About author:: Tao Zhang graduated from Qilu University of Technology in June 2015 with a bachelor’s degree in enginee-ring. She is currently a graduate student in the School of Materials Science and Engineering at North University of China, under the guidance of professor Youyi Sun. At present, the main research fields are carbon nanomate-rial preparation and electrochemical performance.
Youyi Sun received a bachelor’s degree in polymer materials and engineering from Nanjing University of Technology in 2001. He received his Ph.D. in polymer chemistry and physics from the University of Science and Technology of China in 2006. He is a postdoctoral fellow at Peking University and a visiting scholar at the University of Melbourne, Australia. Academic leader of functional composites, North University of China, graphene-based nano-functional composites, head of innovation team, North University, Shanxi province, “131” Leading Talent Project, Outstanding Young and Middle-aged Innovative Talents, excellent young scholars in Shanxi higher education institutions, the outstanding young talents of North University, and the “Three Jin Ying Talents” in Shanxi province support the young talents of the program. National Natural Science Foundation of China, “Intelligent and Soft Material Materials Direction” review experts. He has presided over 9 projects of the National Natural Science Foundation of China, the National Natural Science Foundation of China, the National Natural Science Foundation of China-Coal Joint Fund Project, the major sub-project of Shanxi Province, and the horizontal cooperation project of enterprises; and participated in the military products of the National Defense Science and Technology Industry Bureau. Project, Major Sub-project of National Defense Science and Technology Industry Bureau, Shanxi International Science and Technology Cooperation Project, etc.; as a member of the backbone, won 2 second prizes for technical inventions in Shanxi Province (ranked second and third respectively), Shanxi Natural Science II One prize (ranked fourth); authorized or accepted more than 20 invention patents in China; published more than 100 academic research papers included in SCI, including more than 60 articles in the second district, H-index 22, total citations exceeded 1 600 times. |
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