SOFC (Solid Oxide Fuel Cell) anode support body with gradient pore structure and preparation method of SOFC anode support body

The invention belongs to the technical field of solid oxide fuel cells, and particularly relates to an SOFC anode support body with a gradient pore structure and a preparation method thereof, the preparation method comprises the following steps: mixing YSZ-NiO, methyl cellulose, a first pore forming agent, an auxiliary agent and water to obtain a first pug; mixing YSZ-NiO, methyl cellulose, a second pore forming agent, an auxiliary agent and water to obtain second pug; carrying out extrusion molding on the first pug and the second pug to obtain an anode support body wet blank; and drying and sintering the anode support body to obtain the SOFC anode support body with the gradient pore structure. 本发明属于固体氧化物燃料电池技术领域，具体地说涉及一种具有梯度孔结构的SOFC阳极支撑体及其制备方法，制备方法包括以下步骤：将YSZ-NiO、甲基纤维素、第一造孔剂、助剂和水混合，得到第一泥料；将YSZ-NiO、甲基纤维素、第二造孔剂、助剂和水混合，得到第二泥料；将第一泥料和第二泥料挤出成型，得到阳极支撑体湿坯；对所述阳极支撑体进行干燥、烧结处理后，得到具有梯度孔结构的SOFC阳极支撑体。