Activated carbon fibers with manganese dioxide coating for flexible fiber supercapacitors with high capacitive performance  被引量:3

Activated carbon fibers with manganese dioxide coating for flexible fiber supercapacitors with high capacitive performance

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作  者:Huifang Li Jiachen Liang Huan Li Xiaoyu Zheng Ying Tao Zheng-Hong Huang Quan-Hong Yang 

机构地区:[1]Nanoyang Group, School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University [2]Institute of Forensic Science, Ministry of Public Security [3]Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University

出  处:《Journal of Energy Chemistry》2019年第4期95-100,共6页能源化学(英文版)

基  金:supported by the National Natural Science Foundation of China (No. 51702229, and No. 51525204);the National Key Basic Research Program of China (2014CB932400)

摘  要:Fiber supercapacitor(FSC)is a promising power source for wearable/stretchable electronics and high capacitive performance of FSCs is highly desirable for practice flexible applications.Here,we report a composite of manganese dioxide(Mn O_2)and activated carbon fibers(ACFs)with high MnO_2mass loading and microporous structure(abbreviated as Mn O_2@ACF),which is used as a fiber electrode to produce a FSC with a high capacitive performance and a good flexibility.The MnO_2@ACF composite electrode in FSCs delivers an ultrahigh specific capacitance of 410 mF/cm^2at 0.1 mA/cm^2,corresponding to a high energy density of 36μWh/cm^2and high power density of 726μW/cm^2.Such high capacitive performance and simple fabrication method indicates that the Mn O_2@ACF composite is a very promising electrode material for flexible fiber supercapacitors.Fiber supercapacitor(FSC)is a promising power source for wearable/stretchable electronics and high capacitive performance of FSCs is highly desirable for practice flexible applications.Here,we report a composite of manganese dioxide(Mn O_2)and activated carbon fibers(ACFs)with high MnO_2mass loading and microporous structure(abbreviated as Mn O_2@ACF),which is used as a fiber electrode to produce a FSC with a high capacitive performance and a good flexibility.The MnO_2@ACF composite electrode in FSCs delivers an ultrahigh specific capacitance of 410 mF/cm^2at 0.1 mA/cm^2,corresponding to a high energy density of 36μWh/cm^2and high power density of 726μW/cm^2.Such high capacitive performance and simple fabrication method indicates that the Mn O_2@ACF composite is a very promising electrode material for flexible fiber supercapacitors.

关 键 词:Fiber SUPERCAPACITORS ACTIVATED carbon fibers MASS LOADING FLEXIBILITY 

分 类 号:O4[理学—物理]

 

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