| 摘要 |
A solid electric cell includes a case, a negative electrode, a positive electrode and a solid electrolyte. The negative electrode, positive electrode and solid electrolyte are disposed in the case in such a manner that the negative electrode opposes the positive electrode through the solid electrolyte. The solid electrolyte is made of an alkali ion conductive glass-ceramic having ion conductivity no less than 10-3S/cm at room temperature. A gas sensor includes a case, a negative electrode, a positive electrode, a solid electrolyte and a layer for which an electromotive force corresponding to the concentration of the gas is produced between the two electrodes. In the case, the negative electrode opposes the positive electrode through the solid electrolyte. The solid electrolyte is made of an alkali ion conductive glass-ceramic having ion conductivity no less than 10-3S/cm at room temperature.
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