In-situ Synthesis of Generated Composite Chitosan Carbon and Its Application in Lead-carbon Battery
YUN Liang1,2,3, LIU Zheng1,2, LI Hai-ying1,2, WANG Hao1,2, ZHONG Han-yang1,2
1. Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin University of Technology, Guilin 541004, Guangxi, China;
2. College of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China;
3. Key Laboratory of Graphene Technologies and Applications of Zhejiang Province, Ningbo Institute of Materials Technology & Engineering(NIMTE), Chinese Academy of Sciences, Ningbo 315201, Zhejiang, China
Abstract：Chitosan, extenders anointed and in-situ synthesis method were used to synthesize anode-composite lead-carbon batteries.SEM, EDS, BET and RM were used to characterize and analyze the morphology of carbon materials.The results show that chitosan-carbon has non-crystal structures.Its pore size distribution is between 5-10nm.Specific surface area reaches to 487.4m2/g.The negative composite material electrode is mixed with a conductive agent to produce pastel.Pb-C analog battery was assembled.Electrochemical workstation is used to test chronoamperometry curves, electrochemical impedance spectroscopy so as to evaluate the possibility of in-situ synthesis anode composite material and its potential value of practical application.Electrochemical testing results show that the Pb-C negative plate,which is made by anode composite carbon material as the carbon source of in-situ synthesis of chitosan, possessing better electrochemical performance and smaller resistance.Its specific capacitance of cyclic voltammogram test is 162.9F/g with longer first discharge platform,the ultimate capacity reaches to 108.722mAh·g-1 when chitosan as carbon source, the specific capicity is 98% of the theoretical capacity. After 1000times of cycle there is almost no decay in capacity.
云亮, 刘峥, 李海莹, 王浩, 钟寒阳. 原位合成壳聚糖复合炭材料及其在铅碳电池中的应用[J]. 材料工程, 2018, 46(8): 57-63.
YUN Liang, LIU Zheng, LI Hai-ying, WANG Hao, ZHONG Han-yang. In-situ Synthesis of Generated Composite Chitosan Carbon and Its Application in Lead-carbon Battery. Journal of Materials Engineering, 2018, 46(8): 57-63.
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