| 摘要 |
PURPOSE:To prevent electrolysis and deterioration of a solid electrolyte by heating said electrolyte by a resistor provided on an electrode through a porous material body consisting of the same main constituent as the solid electrolyte. CONSTITUTION:The resistor 5 consisting of platinum is provided at the one side of the solid electrolyte 1 consisting of zirconia porcelain added with yttria through the porous material body 4 of zirconia porcelain added with yttria, and the body 4 is covered with an airtight layer 6 of the same material as the body 4. An oxygen concn. cell consists of the electrolyte 1 and the electrode 2, 3. The gas to be measured is passed through opening parts 8, 10 and attained to the surface of the electrode 3 servings reference electrode. If an electric source is connected to the resistor 5, said resistor generates heat, and the body 4 and the electrolyte 1 are heated. The oxygen of a product of electrolysis due to resistor current flowing in the body 4 is circulated through the porous material layer, and the deterioration of the electrolyte 1 is not caused. |
