DEVELOPMENT OF CO SELECTIVE GAS SENSOR

机译：CO选择性气体传感器的开发

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In order to improve CO selectivity, we have studied CuO based CO gas sensor modified with alkaline metal addition. It was effective for CO selectivity when Na_2CO_3 was added to CuO. This high selectivity for CO gas due to increased CO sensitivity and to decreased H_2 sensitivity appeared at above lwt% Na_2CO_3 addition. CO sensitivity was affected by sintered temperature, and indicated the maximum at 823-873K. This sensor was little affected by coexisting gases such as H_2, CH_4, NO, and SO_2. As this system indicated satisfactory CO gas selectivity against other interference gases, it was suggested that this system was able to detect only CO gas in real exhaust gas.

机译：为了提高CO的选择性，我们研究了用碱金属添加物改性的基于CuO的CO气体传感器。将Na_2CO_3添加到CuO中对CO选择性有效。由于增加的CO敏感性和降低的H_2敏感性，对CO气体的这种高选择性在超过1wt％的Na_2CO_3添加时出现。 CO敏感性受烧结温度的影响，并且在823-873K处显示最大值。该传感器几乎不受诸如H_2，CH_4，NO和SO_2等共存气体的影响。由于该系统显示出对其他干扰气体具有令人满意的CO气体选择性，因此建议该系统只能检测实际废气中的CO气体。

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来源
《2001 International gas research conference》|2001年|p.1-11|共11页
会议地点 Amsterdam(NL);Amsterdam(NL)
作者
Osamu Okada; Hideyuki Horiuchi; Kazuhisa Hasumi; Hiroaki Yanagida;
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作者单位

Research Development Department, Osaka Gas Co., Ltd., Japan;

rnResearch Development Department, Mikuni Corporation, Japan;

rnResearch Development Department, Mikuni Corporation, Japan;

rnPresident, Nagoya Institute of Technology, Japan;

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正文语种 eng
中图分类石油产品;
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DEVELOPMENT OF CO SELECTIVE GAS SENSOR

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