| 摘要 |
The method of the present invention for producing a solid electrolyte sheet for a solid oxide fuel cells is characterized in comprising steps of obtaining a large-sized thin zirconia green sheet by molding and drying a slurry containing zirconia particles, a binder, a plasticizer and a dispersion medium; pressing the zirconia green sheet in the thickness direction with a pressure of not less than 10 MPa and not more than 40 MPa; firing the pressed zirconia green sheet at 1200 to 1500°C; and controlling a time period when a temperature is within the range of from 500°C to 200°C to not less than 100 minutes and not more than 400 minutes when cooling the sheet after firing. |
