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首页> 外文会议>Sensors for safety and security >Humidity Tolerance of Electrochemical Hydrogen Safety Sensors Based on Yttria-Stabilized Zirconia (YSZ) and Tin-doped Indium Oxide (ITO)
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Humidity Tolerance of Electrochemical Hydrogen Safety Sensors Based on Yttria-Stabilized Zirconia (YSZ) and Tin-doped Indium Oxide (ITO)

机译：基于氧化钇稳定的氧化锆（YSZ）和掺杂锡的氧化铟（ITO）的电化学氢安全传感器的耐湿性

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摘要

Commercial hydrogen sensors are available, but performance and cost targets remain unmet for many hydrogen economy applications. For example, traditional thermal conductivity detectors (TCDs) can be responsive to combustible gases in general, show humidity effects, and are relatively costly. New options under development include solid-state electrochemical sensors, which are low cost, can be operated over various temperature and humidity ranges, have fast response times, and can show low cross-sensitivity to hydrocarbons. Previous work demonstrated potentiometric sensors based on yttria-stabilized zirconia (YSZ) and tin-doped indium oxide (ITO). In this study, prototypes were investigated for humidity tolerance. Electrochemical characterization indicated similar reaction rates for negative and positive potentials could be important for humidity tolerance. More advanced prototypes were developed to demonstrate miniaturization and robust packaging for cross-validation testing. Additional electronics were developed for compatibility with data acquisition systems, and results validated humidity tolerance for H_2 sensors up to 10% water in air.
机译：可以使用商用氢传感器，但是许多氢经济应用仍未满足性能和成本目标。例如，传统的热导率检测器（TCD）总体上可以对可燃气体做出响应，显示出湿度效应，并且相对昂贵。正在开发的新选项包括低成本的固态电化学传感器，可以在各种温度和湿度范围内运行，响应时间快，并且对烃的交叉敏感性低。先前的工作演示了基于氧化钇稳定的氧化锆（YSZ）和掺杂锡的氧化铟（ITO）的电位传感器。在这项研究中，研究了原型的耐湿性。电化学表征表明，负电位和正电位的相似反应速率对于湿度耐受性可能很重要。开发了更高级的原型，以展示用于交叉验证测试的小型化和坚固包装。开发了其他电子设备以与数据采集系统兼容，结果验证了H_2传感器在空气中水分高达10％时的耐湿性。

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  • 来源
    《Sensors for safety and security》|2012年|19-31|共13页
  • 会议地点 Seattle WA(US)
  • 作者

    L.Y. Woo; R.S. Glass; E.L. Brosha; R. Mukundan; F.H. Garzon; W.J. Buttner; M.B. Post; C. Rivkin; R. Burgess;

  • 作者单位

    Lawrence Livermore National Laboratory, Livermore, California 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, California 94551, USA;

    Los Alamos National Laboratory, Sensors and Electrochemical Devices Group, Los Alamos, New Mexico, USA;

    Los Alamos National Laboratory, Sensors and Electrochemical Devices Group, Los Alamos, New Mexico, USA;

    Los Alamos National Laboratory, Sensors and Electrochemical Devices Group, Los Alamos, New Mexico, USA;

    National Renewable Energy Laboratory, Hydrogen Technologies and Systems Center, Golden, CO 80401, USA;

    National Renewable Energy Laboratory, Hydrogen Technologies and Systems Center, Golden, CO 80401, USA;

    National Renewable Energy Laboratory, Hydrogen Technologies and Systems Center, Golden, CO 80401, USA;

    National Renewable Energy Laboratory, Hydrogen Technologies and Systems Center, Golden, CO 80401, USA;

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  • 正文语种 eng
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