AMPEROMETRIC ELECTROCHEMICAL CELLS AND SENSORS
    1.
    发明申请
    AMPEROMETRIC ELECTROCHEMICAL CELLS AND SENSORS 有权
    放大电化学电池和传感器

    公开(公告)号:US20120055789A1

    公开(公告)日:2012-03-08

    申请号:US12875407

    申请日:2010-09-03

    IPC分类号: G01N27/407

    摘要: Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer comprising a ceramic phase and a metallic phase, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NOX) or NH3 and a resulting increase in oxygen ion flux through the cell. In another embodiment, amperometric ceramic electrochemical cells comprise an electrolyte layer comprising a continuous network of a first material which is ionically conducting at an operating temperature of about 200 to 550° C.; a counter electrode layer comprising a continuous network of a second material which is electrically conductive at an operating temperature of about 200 to 550° C.; and a sensing electrode layer comprising a continuous network of a ceramic phase and a metallic phase which is electrically conductive at an operating temperature of about 200 to 550° C., which sensing electrode is operable to exhibit increased charge transfer in the presence of one or more target gas species. These electrochemical cells and additional electrochemical cell embodiments are suitable for use in gas sensors and methods of sensing or detecting one or more target gases.

    摘要翻译: 电化学陶瓷电化学电池在一个实施方案中包括电解质层,包含陶瓷相和金属相的感测电极层和对电极层,其中电池在氧化气氛中和施加的偏压下可操作以显示增强的 在一种或多种目标气体如氮氧化物(NOX)或NH 3存在下,在感测电极处还原氧分子,并导致通过电池的氧离子通量的增加。 在另一个实施方案中,电流分析陶瓷电化学电池包括电解质层,其包含第一材料的连续网络,其在约200至550℃的操作温度下离子导电; 对电极层,包括在约200至550℃的操作温度下导电的第二材料的连续网络; 以及感测电极层,其包含在约200至550℃的操作温度下导电的陶瓷相和金属相的连续网络,所述感测电极可操作以在存在一个或多个的情况下表现出增加的电荷转移 更多的目标气体种类。 这些电化学电池和附加的电化学电池实施例适用于气体传感器和感测或检测一种或多种目标气体的方法。

    Amperometric electrochemical cells and sensors
    2.
    发明授权
    Amperometric electrochemical cells and sensors 有权
    电化学电池和传感器

    公开(公告)号:US08974657B2

    公开(公告)日:2015-03-10

    申请号:US12875407

    申请日:2010-09-03

    IPC分类号: G01N33/00 G01N27/403

    摘要: Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer comprising a ceramic phase and a metallic phase, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NOX) or NH3 and a resulting increase in oxygen ion flux through the cell. In another embodiment, amperometric ceramic electrochemical cells comprise an electrolyte layer comprising a continuous network of a first material which is ionically conducting at an operating temperature of about 200 to 550° C.; a counter electrode layer comprising a continuous network of a second material which is electrically conductive at an operating temperature of about 200 to 550° C.; and a sensing electrode layer comprising a continuous network of a ceramic phase and a metallic phase which is electrically conductive at an operating temperature of about 200 to 550° C., which sensing electrode is operable to exhibit increased charge transfer in the presence of one or more target gas species. These electrochemical cells and additional electrochemical cell embodiments are suitable for use in gas sensors and methods of sensing or detecting one or more target gases.

    摘要翻译: 电化学陶瓷电化学电池在一个实施方案中包括电解质层,包含陶瓷相和金属相的感测电极层和对电极层,其中电池在氧化气氛中和施加的偏压下可操作以显示增强的 在一种或多种目标气体如氮氧化物(NOX)或NH 3存在下,在感测电极处还原氧分子,并导致通过电池的氧离子通量的增加。 在另一个实施方案中,电流分析陶瓷电化学电池包括电解质层,其包含第一材料的连续网络,其在约200至550℃的操作温度下离子导电; 对电极层,包括在约200至550℃的操作温度下导电的第二材料的连续网络; 以及感测电极层,其包含在约200至550℃的操作温度下导电的陶瓷相和金属相的连续网络,该感测电极可操作以在存在一个或多个的情况下显示出增加的电荷转移 更多的目标气体种类。 这些电化学电池和附加的电化学电池实施例适用于气体传感器和感测或检测一种或多种目标气体的方法。

    Amperometric Electrochemical Cells and Sensors
    3.
    发明申请
    Amperometric Electrochemical Cells and Sensors 审中-公开
    电流电化学电池和传感器

    公开(公告)号:US20090218220A1

    公开(公告)日:2009-09-03

    申请号:US12395998

    申请日:2009-03-02

    IPC分类号: G01N27/26

    摘要: Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NOX) or NH3 and a resulting increase in oxygen ion flux through the cell. In another embodiment, amperometric ceramic electrochemical cells comprise an electrolyte layer comprising a continuous network of a first material which is ionically conducting at an operating temperature of about 200 to 550° C.; a counter electrode layer comprising a continuous network of a second material which is electrically conductive at an operating temperature of about 200 to 550° C.; and a sensing electrode layer comprising a continuous network of a third material which is electrically conductive at an operating temperature of about 200 to 550° C., which sensing electrode is operable to exhibit increased charge transfer in the presence of one or more target gas species. These electrochemical cells and additional electrochemical cell embodiments are suitable for use in gas sensors and methods of sensing or detecting one or more target gases.

    摘要翻译: 电化学陶瓷电化学电池在一个实施方案中包括电解质层,感测电极层和对电极层,其中电池在氧化气氛中和施加的偏压下可操作以显示在感测电极处的氧分子的增强的还原 在一种或多种目标气体如氮氧化物(NOX)或NH 3存在下,并导致通过电池的氧离子通量的增加。 在另一个实施方案中,电流分析陶瓷电化学电池包括电解质层,其包含第一材料的连续网络,其在约200至550℃的操作温度下离子导电; 对电极层,包括在约200至550℃的操作温度下导电的第二材料的连续网络; 以及感测电极层,其包括在约200至550℃的操作温度下导电的第三材料的连续网络,所述感测电极可操作以在存在一种或多种目标气体种类的情况下表现出增加的电荷转移 。 这些电化学电池和附加的电化学电池实施例适用于气体传感器和感测或检测一种或多种目标气体的方法。

    AMPEROMETRIC ELECTROCHEMICAL SENSORS, SENSOR SYSTEMS AND DETECTION METHODS
    10.
    发明申请
    AMPEROMETRIC ELECTROCHEMICAL SENSORS, SENSOR SYSTEMS AND DETECTION METHODS 审中-公开
    电容式电化学传感器,传感器系统和检测方法

    公开(公告)号:US20160077044A1

    公开(公告)日:2016-03-17

    申请号:US14854016

    申请日:2015-09-14

    IPC分类号: G01N27/407

    摘要: An amperometric electrochemical sensor for measuring the concentrations of two or more target gas species in a gas sample or gas stream, wherein the sensor includes first and second electrochemical cells having respective first and second active electrodes, the electrochemical cells further including an electrolyte membrane and a counter electrode, wherein the first electrochemical cell exhibits an additive response with respect to a first and second ones of the target gas species and the second electrochemical cell exhibits a selective response to the first target gas species in the presence of the second target gas species such that the sensor is capable of measuring the respective concentrations of the first and second target gas species.

    摘要翻译: 一种电流电化学传感器,用于测量气体样品或气体流中两种或更多种目标气体物质的浓度,其中所述传感器包括具有相应的第一和第二活性电极的第一和第二电化学电池,所述电化学电池还包括电解质膜和 对电极,其中所述第一电化学电池相对于所述目标气体物质中的第一和第二目标气体物质显示相加响应,并且所述第二电化学电池在所述第二目标气体种类存在下显示对所述第一目标气体种类的选择性响应, 传感器能够测量第一和第二目标气体种类的相应浓度。