Ion conductive matrixes and their use

Details Ion conductive matrixes and their use Ion conductive matrixes and their use

H - Electricity

01

M

H01M 4/62 (2006.01) C08J 5/20 (2006.01) C08J 5/22 (2006.01) C25B 9/00 (2006.01) C25B 11/04 (2006.01) C25B 13/04 (2006.01) G01N 27/40 (2006.01) H01M 2/16 (2006.01) G02F 1/153 (2006.01) H01G 9/155 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2320696

The present invention provides an ion conducting matrix comprising: (i) 5 to 60 % by volume of an inorganic powder having a good aqueous electrolyte absorption capacity; (ii) 5 to 50 % by volume of a polymeric binder that is chemically compatible with an aqueous electrolyte; and (iii) 10 to 90 % by volume of an aqueous electrolyte, wherein the inorganic powder comprises essentially sub-micron particles. The present invention further provides a membrane being a film made of the matrix of the invention and a composite electrode comprising 10 to 70 % by volume of the matrix of the invention.

L'invention concerne une matrice conductrice d'ions comprenant: (i) 5 % à 60 % par volume d'une poudre non organique possédant une bonne capacité d'absorption d'électrolyte aqueux; (ii) 5 % à 50 % par volume d'un liant polymère chimiquement compatible avec un électrolyte aqueux; et (iii) 10 % à 90 % par volume d'un électrolyte aqueux, la poudre non organique comprenant essentiellement des particules submicroniques. L'invention concerne également une membrane constituée par un film obtenu à partir de la matrice de l'invention et une électrode composite comprenant 10 % à 70 % par volume de la matrice de l'invention.

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