Solid oxide fuel cell with gradient pore structure cathode and preparation method of solid oxide fuel cell

The invention belongs to the technical field of fuel cells, and particularly relates to a solid oxide fuel cell with a gradient pore structure cathode and a preparation method thereof, the preparation method comprises the following steps: weighing polyphenyl ether sulfone, N-methyl pyrrolidone, polyvinylpyrrolidone and polyvinyl alcohol, and stirring to obtain a mixed solution; weighing terpilenol, glycerol and oleic acid, and uniformly stirring to obtain a mixture; weighing LSCF powder and GDC powder, adding the mixed solution and the mixture, and uniformly stirring to obtain cathode slurry; carrying out silk-screen printing on the cathode slurry on a half cell to obtain a total cell; the total battery is immersed in water; and taking out the total cell from the water, and sintering to obtain the solid oxide fuel cell with the gradient pore structure cathode. 本发明属于燃料电池技术领域，具体地说涉及一种具有梯度孔结构阴极的固体氧化物燃料电池及其制备方法，制备方法包括以下步骤：称取聚苯醚砜、N-甲基吡咯烷酮、聚乙烯吡咯烷酮、聚乙烯醇，搅拌处理后得到混合液；称取松油醇、甘油、油酸，搅拌均匀得到混合物；称取LSCF粉体、GDC粉体，加入混合液和混合物，搅拌均匀得