PROCESS FOR PRODUCING POSITIVE ELECTRODE MATERIAL COMPOSITION FOR LITHIUM SECONDARY BATTERY

A process for producing a positive electrode material composition for lithium secondary battery, in which in the mixing of a polymer, an electrode active material and a conduction aid, uniform mixing can be conducted while satisfactorily suppressing any decomposition and deterioration of the polymer...

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Main Authors VALLEE, ALAN, OKADA, IZUHO, TAMURA, FUMIHIDE, TOBA, TAKETO, SASAKI, MASAMITSU, LAVOIE, PAUL-ANDRE, TAKEI, KAZUO
Format Patent
LanguageEnglish
French
Japanese
Published 09.03.2006
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Abstract A process for producing a positive electrode material composition for lithium secondary battery, in which in the mixing of a polymer, an electrode active material and a conduction aid, uniform mixing can be conducted while satisfactorily suppressing any decomposition and deterioration of the polymer, and in which high productivity in time and cost can be achieved with satisfactory attention paid to environment. There is provided a process comprising the steps of mixing a polymer solution, an electrode active material and a conduction aid together to thereby obtain a slurry mixture and evaporating the solvent of the polymer solution from the slurry mixture to such an extent that the mixture retains fluidity. L'invention porte sur un procédé de fabrication de composition de matériau d'électrode positive pour batterie secondaire au lithium, dans lequel lors du mélange d'un polymère, d'un matériau actif d'électrode et d'un assistant conducteur, on peut réaliser un mélange uniforme tout en supprimant de manière satisfaisante toute décomposition et détérioration du polymère, en obtenant une productivité élevée en termes de temps et de coûts et ce, dans le respect de l'environnement. L'invention concerne un procédé comprenant la phase de mélange d'une solution polymère, d'un matériau actif d'électrode et d'un assistant conducteur pour ainsi obtenir un mélange de laitier et la phase d'évaporation du solvant de la solution polymère à partir du mélange de laitier pour que ledit mélange conserve sa fluidité.
AbstractList A process for producing a positive electrode material composition for lithium secondary battery, in which in the mixing of a polymer, an electrode active material and a conduction aid, uniform mixing can be conducted while satisfactorily suppressing any decomposition and deterioration of the polymer, and in which high productivity in time and cost can be achieved with satisfactory attention paid to environment. There is provided a process comprising the steps of mixing a polymer solution, an electrode active material and a conduction aid together to thereby obtain a slurry mixture and evaporating the solvent of the polymer solution from the slurry mixture to such an extent that the mixture retains fluidity. L'invention porte sur un procédé de fabrication de composition de matériau d'électrode positive pour batterie secondaire au lithium, dans lequel lors du mélange d'un polymère, d'un matériau actif d'électrode et d'un assistant conducteur, on peut réaliser un mélange uniforme tout en supprimant de manière satisfaisante toute décomposition et détérioration du polymère, en obtenant une productivité élevée en termes de temps et de coûts et ce, dans le respect de l'environnement. L'invention concerne un procédé comprenant la phase de mélange d'une solution polymère, d'un matériau actif d'électrode et d'un assistant conducteur pour ainsi obtenir un mélange de laitier et la phase d'évaporation du solvant de la solution polymère à partir du mélange de laitier pour que ledit mélange conserve sa fluidité.
Author SASAKI, MASAMITSU
VALLEE, ALAN
TOBA, TAKETO
LAVOIE, PAUL-ANDRE
TAMURA, FUMIHIDE
OKADA, IZUHO
TAKEI, KAZUO
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SASAKI, MASAMITSU
VALLEE, ALAN
TOBA, TAKETO
LAVOIE, PAUL-ANDRE
TAMURA, FUMIHIDE
OKADA, IZUHO
TAKEI, KAZUO
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Snippet A process for producing a positive electrode material composition for lithium secondary battery, in which in the mixing of a polymer, an electrode active...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title PROCESS FOR PRODUCING POSITIVE ELECTRODE MATERIAL COMPOSITION FOR LITHIUM SECONDARY BATTERY
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