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    • 12. 发明授权
    • Regenerative gas sensor
    • 再生气体传感器
    • US08840775B2
    • 2014-09-23
    • US13328558
    • 2011-12-16
    • Lei ChenZhiwei YangAntonio M. VincitoreJoseph J. Sangiovanni
    • Lei ChenZhiwei YangAntonio M. VincitoreJoseph J. Sangiovanni
    • G01N27/30G01N27/407
    • G01N27/30G01N27/4045G01N27/407G01N33/0044
    • A gas sensor includes a housing having disposed therein a membrane electrode assembly comprising a sensing electrode, a counter electrode, and a polymer membrane disposed between the sensing electrode and the counter electrode. The polymer membrane comprises an ionic liquid retained therein. The sensor also includes a catalyst support that can be stable in a range of potentials to allow for detection mode and catalyst regeneration mode to be operative. The sensor further includes a circuitry and algorithm to implement the catalyst regeneration mechanism electrochemically. The sensor further includes a chamber for reference gas to which the counter electrode is exposed, and a chamber for test gas to which a gas to be tested is exposed. The sensor also includes a pathway for test gas to enter the chamber and a measured electrical circuit connecting the sensing electrode and the counter electrode.
    • 气体传感器包括壳体,其中设置有包括感测电极,对电极和设置在感测电极和对电极之间的聚合物膜的膜电极组件。 聚合物膜包含保留在其中的离子液体。 该传感器还包括催化剂载体,该催化剂载体在一定范围的电位中是稳定的,以允许检测模式和催化剂再生模式可操作。 传感器还包括电化学地实现催化剂再生机构的电路和算法。 传感器还包括用于对置电极暴露的参考气体的室,以及用于测试气体暴露的测试气体室。 该传感器还包括用于测试气体进入室的通路和连接感测电极和对电极的测量电路。