Spray Pyrolysis Deposition of Electrolyte and Anode for Metal Supported Solid Oxide Fuel Cell

Metal supported SOFCs offer many advantages including increased robustness, improved thermal shock resistance and decreased cost. However, fabricating metal-supported SOFCs using conventional techniques is either very difficult or very costly. In this study, two processes of spray pyrolysis deposition, pneumatic spray deposition and electrostatic spray deposition, were used to deposit samaria doped ceria (SDQ electrolytes on different substrates and deposit NiO-SDC anodes on porous stainless steel substrates. A cathode layer was subsequently applied on the electrolyte by stencil printing for electrochemical testing. The test results indicated that the electrolyte had reasonable cell performance but the topography of the anode needed optimization.