Sealing material of medium temperature plate type solid-oxide fuel battery stack and sealing method
A technology of solid oxide and fuel cell stacks, which is applied to battery components, circuits, electrical components, etc., and can solve problems such as insufficient thermal and chemical stability, insufficient chemical stability, and easy oxidation and corrosion , to achieve good chemical compatibility, good insulation, and increase the effect of mechanical properties
Active Publication Date: 2012-10-10
武汉华科福赛新能源有限责任公司
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The invention discloses a sealing material of a medium temperature plate type solid-oxide fuel battery stack, which comprises the following components: Al2O3 powder, glass powder and an organic additive which is taken as a binder and a plasticizer, wherein the glass powder is composed of BaO with mass percentage of 20%-25%, B2O3 with mass percentage of 10%-15%, MgO with mass percentage of 20%-25%, ZnO with mass percentage of 10-15% and SiO2 with mass percentage of 30%-35%, its particle size is about 5-10mum; and the particle size of the Al2O3 powder is about 1-10mum. The invention also discloses a method for using the sealing material to seal the medium temperature plate type solid-oxide fuel battery stack. According to the invention, the tight accumulation of the sealing particles can be realized, the leakage rate of the sealing materials can be reduced, the mechanical properties of the materials can be increased, and the gas sealing can be effectively realized by the sealing mode which is convenient for operating and processing.
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