A Self‐Supporting Electrode for Supercapacitors Prepared by One‐Step Pyrolysis of Carbon Nanotube/Polyacrylonitrile Blends
Identifieur interne : 000969 ( Main/Exploration ); précédent : 000968; suivant : 000970A Self‐Supporting Electrode for Supercapacitors Prepared by One‐Step Pyrolysis of Carbon Nanotube/Polyacrylonitrile Blends
Auteurs : F. Béguin [France] ; K. Szostak [France, Pologne] ; G. Lota [Pologne] ; E. Frackowiak [Pologne]Source :
- Advanced Materials [ 0935-9648 ] ; 2005-10-04.
English descriptors
Abstract
A new type of supercapacitor electrode is reported, prepared by pressing a carbon nanotube/polyacrylonitrile blend and then pyrolyzing the pellet (see Figure). Although their specific surface area is very low, e.g., 200 m2 g–1, the C/C composites demonstrate high values of capacitance, up to 100 F g–1. The authors propose two explanations for these remarkable values.
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DOI: 10.1002/adma.200402103
Affiliations:
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