Solid polymer electrolyte and preparation methods

H - Electricity – 01 – M

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H01M 10/0565 (2010.01) C08F 220/44 (2006.01) C08F 222/30 (2006.01) C08F 222/38 (2006.01) H01G 9/028 (2006.01)

Patent

CA 2302825

The invention concerns a solid polymer electrolyte characterised in that it comprises at least a methacrylonitrile polymer in the form: of a linear homopolymer with strong mass, reinforced or not; or a homopolymer, reinforced or not, made three-dimensional by crosslinking; or a linear copolymer with strong mass or made three-dimensional by crosslinking, in particular by incorporation of at least a crosslinkable comonomer. The invention is useful for making electrochemical generators, high load capacitors or elctrochrome systems.

L'électrolyte polymère solide selon l'invention est caractérisé en ce qu'il comprend au moins un polymère de méthacrylonitrile sous la forme: d'un homopolymère linéaire de forte masse, renforcè ou non, ou bien d'un homopolymère, renforcé ou non, rendu tridimensionnel par réticulation ou d'un copolymère linéaire de forte masse ou rendu tridimensionnel par réticulation, grâce notamment à l'incorporation d'au moins un comonomère pennettant une réticulation. Application à la réalisation de générateurs électrochimiques, de supercondensateurs ou de systèmes électrochromes.

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