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Dubarry, M., Gaubicher, J., Guyomard, D., Dupre, N. & Grey, C. (2009) Ultrafast synthesis of Li1+alpha V3O8 gel precursors for lithium battery applications. Solid State Ion. 180 1511–1516. 
Added by: Laurent Cournède (2016-03-10 21:41:22)
Type de référence: Article
DOI: 10.1016/j.ssi.2009.09.010
Numéro d'identification (ISBN etc.): 0167-2738
Clé BibTeX: Dubarry2009
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Catégories: ST2E
Mots-clés: acid-solutions, behavior, Cathode, Condensation mechanisms, Grain morphology, improvement, insertion properties, Li trivanadium oxide, li1.1v3o8, New sol-gel route, v2o5, xerogel
Créateurs: Dubarry, Dupre, Gaubicher, Grey, Guyomard
Collection: Solid State Ion.
Consultations : 3/723
Indice de consultation : 4%
Indice de popularité : 1%
Résumé     
A versatile route has been developed to synthesize the Li1+alpha V3O8 gel precursor 50 times faster than the standard path without heating by using H2O2 and V2O5 and lithium salts as precursors. Upon heat treatment it leads to stoechiometric Li1.1V3O8 with an electrochemical behavior similar to the one observed from the standard material. The role of the pH and the nature of the counter ion on the structural type and the morphology of the condensed Li1+alpha V3O8,nH(2)O Compound have been investigated. pH close to the zero charge point (approximate to 2) lead to intercalated LixV2O5,nH(2)O type gels whereas at pH 4 condensation drives to hewettite like structures. (C) 2009 Published by Elsevier B.V.
Added by: Laurent Cournède  
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