Enzyme immobilization for use in biofuel cells and sensors

H - Electricity – 01 – M

Patent

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Details

H01M 8/16 (2006.01) C12N 11/08 (2006.01) C12Q 1/00 (2006.01) C12Q 1/32 (2006.01)

Patent

CA 2507455

Disclosed are bioanodes comprising a quaternary ammonium treated Nation® polymer membrane and a dehydrogenase incorporated within the treated Nation® polymer. The dehydrogenase catalyzes the oxidation of an organic fuel and reduces an adenine dinucleotide. The ion conducting polymer membrane lies juxtaposed to a polymethylene green redox polymer membrane, which serves to electro-oxidize the reduced adenine dinucleotide. The bioanode is used in a fuel cell to produce high power densities.

L'invention concerne des bioanodes comprenant une membrane polymère Nafion® traitée et une déshydrogénase incorporée dans ledit polymère Nafion® traité. La déshydrogénase catalyse l'oxydation d'un combustible organique et réduit la teneur en dinucléotide d'adénine. La membrane polymère conductrice d'ions est juxtaposée à une membrane polymère redox de vert de polyméthylène, qui sert à électro-oxyder le dinucléotide d'adénine réduit. La bioanode est utilisée dans une pile à combustible pour produire des densités de puissances élevées.

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