Patent ID: 7897289
Filing Date: 2011-03-01
Classification: H01M,Y02E

Abstract:
1. Stackable high-temperature fuel cell having an electrode unit including an anode located on an anode side and a cathode located on a cathode side, said electrode unit connected, on the anode side, to a fuel supply and connected, on the cathode side, to an oxidant supply, said cathode connected electrically conductively by at least one resilient contact element to an interconnector, wherein said at least one resilient contact element exerts a compression force on regions of the cathode and regions of the interconnector, each said contact element formed from a sintered nonwoven fabric of an electrically conductive ceramic having a uniform material composition throughout the body of the fabric and having regions of relatively higher and lower compressibility and density resulting from physical shaping in regions along a surface of the fabric to provide a surface structure in the form of alternating depressions and raised portions, adjacent to each other each raised portion being a region of relatively lower compressibility and density and forming a web and wherein said regions of lower compressibility and density have an elasticity of at least 5%.