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Achour, A., Lucio-Porto, R., Chaker, M., Arman, A., Ahmadpourian, A., Soussou, M. A., Boujtita, M., Le Brizoual, L., Djouadi, M. A. & Brousse, T. (2017) Titanium vanadium nitride electrode for micro-supercapacitors. Electrochem. Commun. 77 40–43. 
Added by: Richard Baschera (2017-05-05 13:45:22)   Last edited by: Richard Baschera (2017-05-05 13:48:25)
Type de référence: Article
DOI: 10.1016/j.elecom.2017.02.011
Numéro d'identification (ISBN etc.): 1388-2481
Clé BibTeX: Achour2017
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Catégories: ID2M, INTERNATIONAL, ST2E
Mots-clés: devices, Electrochemical capacitors, energy-storage, fabrication, micro-supercapacitors, thin-films, Titanium nitride, Transition metal nitride, vanadium nitride
Créateurs: Achour, Ahmadpourian, Arman, Boujtita, Brousse, Chaker, Djouadi, Le Brizoual, Lucio-Porto, Soussou
Collection: Electrochem. Commun.
Consultations : 6/501
Indice de consultation : 1%
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Résumé     
Here we report on the synthesis of binary transition metal nitride electrodes based on titanium vanadium nitride (TiVN) thin films. These films were deposited by a method compatible with micro-electronic processes which consists of DC co-sputtering of vanadium (V) and titanium (Ti) targets. TiVN films with different Ti/V ratio were deposited. A dependence of the capacitance and the cycling stability with the Ti/V atomic ratio in the films was established. While V rich sample exhibits a Faradic behavior that limits its cycling ability despite a high areal and volumetric capacity, the addition of Ti in the film drastically improves the cycling ability with virtually no fade in capacitance after 10,000 cycles. Furthermore, a 1.1 Ti/V ratio leads to an areal capacitance up to 15 mF.cm(-2) in 1 M KOH electrolyte solution. Such electrodes shed light on the use of binary transition metal nitrides as candidate electrodes for micro-supercapacitor. (C) 2017 Elsevier B.V. All rights reserved.
  
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