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Ligneel, E., Lestriez, B., Hudhomme, A. & Guyomard, D. (2007) On the origin of the pre-plasticizer effect of the composite electrode for lithium batteries. Electrochem. Solid State Lett. 10 A122–A126. 
Added by: Laurent Cournède (2016-03-10 22:02:31)
Type de référence: Article
DOI: 10.1149/1.2437660
Numéro d'identification (ISBN etc.): 1099-0062
Clé BibTeX: Ligneel2007a
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Catégories: ST2E
Mots-clés: Binder, Cathodes, Electrochemical performance, film, graphite particles, improvement, Li-ion batteries, negative electrodes, poly(vinylidene fluoride), surface-morphology
Créateurs: Guyomard, Hudhomme, Lestriez, Ligneel
Collection: Electrochem. Solid State Lett.
Consultations : 15/750
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
A 50\% performance improvement of Li1.1V3O8 electrodes is achieved with the poly(methyl methacrylate) (PMMA)/ethylene carbonate (EC) + propylene carbonate (PC) combination. However, EC + PC must be adjusted to a critical optimal quantity to be effective. EC + PC acts as a high permittivity co-solvent and strongly modifies the solid/liquid electrode dispersion, which has two opposite effects with respect to the electrochemical performance. EC + PC leads to better Li1.1V3O8 and carbon black (CB) distribution within the dried electrode, but it degrades indirectly the electrical resistivity of the CB/CB and CB/Li1.1V3O8 contacts. This study shows that designing efficient composite electrodes needs a perfect tuning of the solvent properties to tailor the interactions between the constituents during the processing. (c) 2007 The Electrochemical Society.
Added by: Laurent Cournède  
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