ELCOMAX MEMBRANES GMBH Patent applications |
Patent application number | Title | Published |
20130122399 | POLYMER ELECTROLYTE MEMBRANE WITH FUNCTIONALIZED NANOPARTICLES - The present invention relates to a polymer electrolyte membrane for fuel cells, comprising a polymer matrix of at least one basic polymer and one or more doping agents, wherein particles containing ionogenic groups and having a mean particle diameter in the nanometer range are embedded in the polymer matrix and the particles containing ionogenic groups are distributed homogeneously in the polymer matrix in a concentration of less than 50% relative to the weight of the polymer matrix, as well as to the production and use of same, especially in high-temperature fuel cells. | 05-16-2013 |
20100068593 | POLYMER ELECTROLYTE MEMBRANE WITH FUNCTIONALIZED NANOPARTICLES - The present invention relates to a polymer electrolyte membrane for fuel cells, comprising a polymer matrix of at least one basic polymer and one or more doping agents, wherein particles containing ionogenic groups and having a mean particle diameter in the nanometer range are embedded in the polymer matrix and the particles containing ionogenic groups are distributed homogeneously in the polymer matrix in a concentration of less than 50% relative to the weight of the polymer matrix, as well as to the production and use of same, especially in high-temperature fuel cells. | 03-18-2010 |
20090075141 | HYBRID MEMBRANES, METHOD FOR PRODUCTION OF HYBRID MEMBRANES AND FUEL CELLS USING SUCH HYBRID MEMBRANES - The invention relates to hybrid membranes that are composed of an organic polymer and an inorganic polymer, a method for producing hybrid membranes, and the use of said hybrid membranes in polymer electrolyte membrane fuel cells. The inventive hybrid membranes comprise at least one alkaline organic polymer and at least one inorganic polymer. Said polymers are blended together at a molecular level. The inorganic polymer is formed from at least one precursor monomer when the membrane is produced. The disclosed membranes are characterized in that the same are provided with high absorptivity for doping agents, have a high degree of mechanical and thermal stability in both an undoped and doped state, and feature permanently high proton conductivity. | 03-19-2009 |