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Legoupy, S., Lebegue, E. & Cougnon, C. (2016) Preparation of a tetrahydroxyphenazine-modified carbon as cathode material for supercapacitor in aqueous acid electrolyte. Electrochem. Commun. 70 47–50. 
Added by: Richard Baschera (2016-10-06 14:25:36)   Last edited by: Richard Baschera (2020-07-10 14:31:32)
Type de référence: Article
DOI: 10.1016/j.elecom.2016.06.018
Numéro d'identification (ISBN etc.): 1388-2481
Clé BibTeX: Legoupy2016
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Catégories: HORSIMN
Mots-clés: activated carbon, diazonium chemistry, Diazonium salt, electroactive organic-molecules, electrochemical capacitor, Grafting, nitrogen, Oxocarbons, Supercapacitor
Créateurs: Cougnon, Lebegue, Legoupy
Collection: Electrochem. Commun.
Consultations : 8/699
Indice de consultation : 4%
Indice de popularité : 1%
Résumé     
A procedure for the grafting of oxocarbon compounds is proposed by condensation reaction with a benzenediamine to obtain an attached-phenazine moieties. A technical proof of concept is given by the covalent,capture of rhodizonic acid on the Norit activated carbon and potentiality for supercapacitors is evidenced. The composite material obtained was tested as positive electrode for aqueous supercapacitors in 1 M H2SO4. The redox activity covering a wide range of potential gives an unprecedented increase in specific charge of 350% and a specific energy at the discharge 3.4 times higher than the unmodified carbon. (C) 2016 Elsevier B.V. All rights reserved.
  
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