Ceramic and Metallic Components for a Planar SOFC

Abstract

Abstract We present a planar cell design for Solid Oxide Fuel Cells (SOFC) which combines the ceramic materials of a solid electrolyte (Y‐stabilized ZrO 2 ), cathode (LaSrMeO 3 with Me : Mn, Co and Cr), and anode (Ni‐Cermet) with a metallic interconnection material, the so‐called metallic bipolar plate. This metallic component—which functions as a mechanically stabilizing frame, as well as gas distributor and electrical connector—possesses the advantages of much higher electrical and thermal conductivity when compared with the common ceramic interconnection material (LaCrO 3 ). This allows the construction of cell stacks with increased power density (> 100 kW m 3 ).