Research on gas sensitive characteristic of all-solid-state potentiometric hydrogen gas sensor based on high temperature proton conductor

CHEN Jianxun

doi:10.13873/J.1000-9787(2020)03-0038-04

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Research on gas sensitive characteristic of all-solid-state potentiometric hydrogen gas sensor based on high temperature proton conductor

更新时间：2025-09-11

- Research on gas sensitive characteristic of all-solid-state potentiometric hydrogen gas sensor based on high temperature proton conductor
- Issue 3, Pages: 38-41(2020)
- 作者机构：
  
  广东省特种设备检测研究院珠海检测院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2020)03-0038-04
  CLC： TP212
- Published：2020
- 稿件说明：
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CHEN Jianxun. Research on gas sensitive characteristic of all-solid-state potentiometric hydrogen gas sensor based on high temperature proton conductor[J]. 2020, (3): 38-41.
DOI：

CHEN Jianxun. Research on gas sensitive characteristic of all-solid-state potentiometric hydrogen gas sensor based on high temperature proton conductor[J]. 2020, (3): 38-41. DOI： 10.13873/J.1000-9787(2020)03-0038-04.

摘要

以铟掺杂锆酸钙高温质子导体为固体电解质

氢化锆为参比

制备了一种全固态高温氢传感器

研究了氢气体积分数和温度对传感器电动势的影响。成型并烧结出一批尺寸均匀、致密、无成型缺陷的固体电解质管。在600～800℃工作温度范围内

传感器对体积分数为0. 005～0. 1氢气具有良好的电动势响应行为

稳定电动势与氢气浓度对数呈线性关系

温度越高

传感器测氢灵敏度越高。根据已有测试数据

以温度和电动势为变量

建立了传感器测氢经验模型。

Abstract

An all-solid-state high-temperature hydrogen sensor is prepared by high-temperature proton conductor of indium-doped calcium zirconate as solid electrolyte and zirconium hydride as reference. The effect of hydrogen volume fraction and temperature on the electromotive force of the sensor is studied. A batch of solid electrolyte tubes of uniform size

compactness

and no molding defects are formed and sintered. In the sinsor operating temperature range of 600 ～ 800 ℃

a good electromotive force response behavior is recorded for the hydrogen volume fraction of 0. 005 ～ 0. 1. There is a linear relationship between the stable electromotive force and the logarithm of volume fraction of hydrogen. The higher the temperature

the higher the sensitivity of the sensor for hydrogen measurement. Based on the existing test data

an hydrogen measurement empirical model for the sensor is established

taking temperature and electromotive force as variables.

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