| 摘要 |
The sensor of the present invention comprises a solid electolyte with an electrode disposed on both sides thereof and an electrical lead connected to each electrode. The solid electrolyte is yttria doped zirconia. The first electrode, the sensing electrode, is exposed to the sensing gas such as an exhaust gas. The second electrode, the reference electrode, is exposed to a reference gas, wherein at least one of the sensing electrode and the reference electrode comprises a noble metal, platinum, metal oxide and alumina or in mixtures thereof.
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