低浓度氢气检测方法研究进展

Progress of research on detection methods of trace hydrogen

氢是重要的航天能源物质,也是影响航天器安全与寿命的重要因素。低浓度氢的检测在航天、能源、化工等众多领域具有重要意义。本文在广泛调研国内外文献的基础上,详细论述了氢敏传感器(包括光纤传感器、电化学传感器、半导体传感器)、声表面波传感器、光声气体传感器以及气相色谱-原子吸收光谱法和质谱法等各种技术,在低含量氢气检测方面应用的基本原理、研究现状和最新进展,提出了目前研究中存在的问题以及今后可能的研究方向。

Hydrogen is an important energy material for spaceflight and an important factor influencing the safety and lifetime of spacecraft. The detection of low concentration hydrogen has great importance in the fields of spaceflight, energy resource, and chemical engineering. The basic principles, the new progress, and the current state of hydrogen sensors, surface acoustic wave sensor, photoacoustic gas sensor, GCAAS, and mass spectrometry in the application for the detection of trace hydrogen are described, based on an extensive survey of literature. The problems in current research and the possible research direction are presented.