The electromotive force (EMF) of a new type of YSZ-based planar oxygen sensor exposed to simulated automobile exhaust gas, with no air reference, was measured under different conditions. A sensor with two parallel Pt electrodes, one coated with Ti0 x 75Zr0 x 25O2 (Ti-Zr) as a solid-state reference, was fabricated. The performance of this sensor was measured at different temperatures and lambdas, i.e. the actual air/fuel ratio to that of stoichiometric value. The transition in EMF occurs around lambda=1. Also the amplitude of the transition between rich (lambda=0.8) and lean (lambda=1.2) measured at a temperature range of 350-650 deg C remains almost constant, indicating a temperature-independent performance.


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    Titel :

    Temperature-independent TiO(sub 2)-ZrO(sub 2) oxygen lambda sensor


    Beteiligte:
    Lari, A. (Autor:in) / Khodadadi, A. (Autor:in) / Mortazavi, Y. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2008


    Format / Umfang :

    4 Seiten, 14 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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