Abstract
Through screen-printing technology, we prepared heater which is used for planar oxygen sensor with YSZ solid electrolyte, alumina insulating layer and platinum(Pt) paste, then sintered at different temperatures.Analysis the properties of Pt electrode through aging time test and thermal shock test. The results show that 1100°C is the best sintering temperature for Pt electrode.Resistance and surface morphology of Pt electrode changed obviously with aging time increasing and 100 times thermal shock is not enough to affect the morphology of electrode and the change of resistance has no regularity.
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