The influence of current collector on the sudden deterioration phenomena of conventional nickel-yttria-stabilized zirconia composite solid oxide fuel cell (SOFC) anodes operated in hydrogen with high humidity concentration is investigated. Current collectors of different materials have been tested within different conditions. It is found that the loss of contact between current collector mesh and the top surface of an anode cause the sudden deterioration of the anode. Platinum and gold current collector meshes have been proven to lead to the sudden deterioration of an anode in short time operation in high humidity conditions in conventional SOFC operation temperatures.

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