釔穩(wěn)定ZrO2 界限電流型微氧氧傳感器的設(shè)計

從理論和實(shí)驗(yàn)角度對釔穩(wěn)定ZrO2 界限電流型微氧氧傳感器的量程與結(jié)構(gòu)設(shè)計的關(guān)系進(jìn)行了分析研究結(jié)果顯示被測環(huán)境氧摩爾濃度應(yīng)小于5% 被測環(huán)境氧濃度與氧傳感器輸出極限電流的數(shù)值基本成線性關(guān)系通過5000~50 000 ×10–6 500~20 000 ×10–6 100~10 000 ×10–6 50~1 000 ×10–6 四檔測量范圍的劃分以及S / L比的合理設(shè)計可以實(shí)現(xiàn)釔穩(wěn)定ZrO2 界限電流型微氧氧傳感器對低氧濃度的準(zhǔn)確測量.

The manufacture of the limiting current oxygen sensor of yttria-stabilized zirconia electrolyte in low oxygen concentration was studied from theory and experiment. The results of theory analyses show that the linearity for the saturated output current of oxygen sensor vs the measured oxygen concentration can be gotten below 5% oxygen concentration. By
dividing the oxygen concentration mole measure rang and designing ration of S/L, it can be realized to exact measure in low oxygen concentration using the limiting current oxygen sensor of yttria-stabilized zirconia electrolyte.