Highly ordered porous carbon materials having well defined...

C - Chemistry – Metallurgy – 01 – B

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C01B 31/00 (2006.01) C01B 31/02 (2006.01)

Patent

CA 2583510

Applicant's present invention comprises a method for fabricating porous carbon materials having highly ordered nanostructures comprising the steps of first, forming a precursor solution comprising a block copolymer template and a carbon precursor; second, forming a self-assembled nanostructured material from the precursor solution; third annealing the nanostructured material thereby forming a highly ordered nanostructured material; fourth, polymerizing the carbon precursor to cure the nanostructured material; and pyrolyzing the nanostructured material wherein the block copolymer template is decomposed to generate ordered carbon nanopores and the nanostructured material is carbonized to form the walls of the carbon nanopores thereby forming a porous carbon material having a highly ordered nanostructure. In addition, the present invention further comprises a porous carbon material comprising a carbon nanostructure having ordered carbon nanopores that have uniform pore sizes ranging from about 4.5 nm up to about 100 nm.

L'invention concerne un procédé de fabrication de matériaux carbonés poreux présentant des nanostructures très ordonnées. Le procédé consiste à: préparer une solution précurseur comprenant une matrice de copolymère séquencé et un précurseur de carbone; préparer un matériau nanostructuré auto-assemblé à partir de la solution précurseur; recuire le matériau nanostructuré pour former un matériau nanostructuré très ordonné; poylmériser le matériau nanostructuré afin de durcir le matériau nanostructuré; et pyrolyser le matériau nanostructuré. La matrice de copolymère séquencé est décomposée pour générer des nanopores de carbone ordonnés, et le matériau nanostructuré est carbonisé pour former les parois des nanopores de carbone et, partant, un matériau carboné poreux présentant une nanostructure très ordonnée. L'invention concerne en outre un matériau carboné poreux, qui comprend une nanostructure de carbone présentant des nanopores de carbone ordonnés dont la dimension des pores est uniforme et comprise entre environ 4.5 et 100 nm.

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