Ionically conductive polymeric gel electrolyte and solid...

H - Electricity – 01 – M

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H01M 6/16 (2006.01) H01B 1/12 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2212399

The present invention relates an ionically conductive polymeric gel electrolyte for batteries having high ionic conductivity and sufficiently high solid strength. The invention has an object to provide a solid battery being excellent in characteristics of preventing internal short-circuit even if no diaphragm is used and having high reliability, by using the ionically conductive polymeric gel electrolyte. Disclosed is an ionically conductive polymeric gel electrolyte, containing at least a polymer matrix, a non-aqueous electrolytic solution and an electrolytic salt, wherein at least one kind of a halogen-substituted carbonic ester is contained as a solvent of the non-aqueous electrolytic solution. Also disclosed is a solid battery having the ionically conductive polymeric gel electrolyte as a constituent.

La présente invention concerne un électrolyte en gel polymérique ioniquement conducteur pour piles ayant une conductivité ionique et une rigidité suffisamment élevée. L'invention a pour objet de fournir une pile solide ayant d'excellentes caractéristiques pour ce qui est de la prévention des courts-circuits internes même en l'absence de diaphragme et qui possède une fiabilité élevée, en utilisant le gel électrolyte polymérique ioniquement conducteur. On divulgue un électrolyte en gel polymérique ioniquement conducteur, contenant au moins une matrice polymérique, une solution électrolytique non aqueuse et un sel électrolytique, où au moins un type d'ester carbonique substitué par un halogène est contenu comme solvant de la solution électrolytique non aqueuse. On divulgue également une pile solide ayant un électrolyte en gel polymérique ioniquement conducteur comme un de ses constituants.

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