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Supercapacitors: Bacterial‐Cellulose‐Derived Carbon Nanofiber@MnO 2 and Nitrogen‐Doped Carbon Nanofiber Electrode Materials: An Asymmetric Supercapacitor with High Energy and Power Density (Adv. Mater. 34/2013)
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.201370214
Subject(s) - supercapacitor , materials science , bacterial cellulose , electrode , nanofiber , carbon nanofiber , cellulose , carbon fibers , pyrolysis , power density , nanotechnology , fabrication , doping , chemical engineering , optoelectronics , composite material , carbon nanotube , capacitance , power (physics) , composite number , alternative medicine , chemistry , pathology , engineering , quantum mechanics , medicine , physics
A new kind of high‐performance asymmetric supercapacitor is designed with pyrolyzed bacterial cellulose ( p ‐BC)‐coated MnO 2 as the positive electrode material and nitrogen‐doped p ‐BC as the negative electrode material, via an easy, efficient, large‐scale, and green fabrication approach as described by Shu‐Hong Yu and co‐workers, on page 4746 . The optimal asymmetric device possesses an excellent supercapacitive behavior with quite high energy and power density.