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Bacterial‐Cellulose‐Derived Carbon Nanofiber@MnO 2 and Nitrogen‐Doped Carbon Nanofiber Electrode Materials: An Asymmetric Supercapacitor with High Energy and Power Density
Author(s) -
Chen LiFeng,
Huang ZhiHong,
Liang HaiWei,
Guan QingFang,
Yu ShuHong
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201204949
Subject(s) - materials science , supercapacitor , carbon nanofiber , bacterial cellulose , nanofiber , carbon fibers , cellulose , electrode , chemical engineering , power density , nanotechnology , nitrogen , carbon nanotube , composite material , power (physics) , capacitance , organic chemistry , composite number , chemistry , physics , quantum mechanics , engineering
A new kind of high‐performance asymmetric supercapacitor is designed with pyrolyzed bacterial cellulose ( p ‐BC)‐coated MnO 2 as a positive electrode material and nitrogen‐doped p ‐BC as a negative electrode material via an easy, efficient, large‐scale, and green fabrication approach. The optimal asymmetric device possesses an excellent supercapacitive behavior with quite high energy and power density.