Abstract: The invention is directed to a metal hollow fiber electrode, to a method of electrolyzing carbon dioxide in an aqueous electrochemical cell, to a method of converting carbon dioxide, to a method of preparing a metal hollow fiber, to a use of a metal hollow fiber electrode. The metal hollow fiber electrode comprises aggregated copper particles forming an interconnected three-dimensional porous structure, wherein said metal comprises copper.

Abstract: Gaseous molecules, such as H2, CO2 and CH4, can be separated using a hybrid organic-inorganic polyimide network membrane, wherein the polyimide contains bis-imide units of formula 1 (formula 1), wherein A represents an organic moiety having 2-22 carbon atoms; or corresponding tris-imide groups, wherein a nitrogen atom of two or more of said bis-imide units is linked to a group Q of a polyhedral oligomeric silsesquioxane (POSS) group of formula 3 QmR(2n-m)Si2nO3n.xH2O 3 wherein Q is CpHq bound to a silicon atom, R is hydrogen, hydroxy or C1-C4 alkyl, alkoxy, hydroxyalkyl, aminoalkyl or ammonioalkyl, bound to a silicon atom, m is from 2 up to 2n, n is from 2 up to 6, p=1 to 6; q=2(p?r) with r=0, 1, 2<p; and x is from 0 to 2n?1.

Abstract: Gaseous molecules, such as H2, CO2 and CH4, can be separated using a hybrid organic-inorganic polyimide network membrane, wherein the polyimide contains bis-imide units of formula 1 (formula 1), wherein A represents an organic moiety having 2-22 carbon atoms; or corresponding tris-imide groups, wherein a nitrogen atom of two or more of said bis-imide units is linked to a group Q of a polyhedral oligomeric silsesquioxane (POSS) group of formula 3 QmR(2n-m)Si2nO3n.xH2O 3 wherein Q is CpHq bound to a silicon atom, R is hydrogen, hydroxy or C1-C4 alkyl, alkoxy, hydroxyalkyl, aminoalkyl or ammonioalkyl, bound to a silicon atom, m is from 2 up to 2n, n is from 2 up to 6, p=1 to 6; q=2(p?r) with r=0, 1, 2<p; and x is from 0 to 2n?1.

Abstract: The invention is directed to a composite ceramic/polymer membrane. The invention is further directed to the use of a composite membrane in pervaporation processes. According to the present invention there is provided a composite membrane comprising a support and a separation layer that comprises a rubbery polymer, wherein an intermediate layer is present between the separation layer and the support.