作者：潘凤文1, 李乃武1, 陆寒1, 候路路1, 黄小美2, 朱黎明1
作者单位：1. 潍柴动力股份有限公司，山东 潍坊 261061;
2. 重庆大学，重庆 400044
关键词：氢品质;痕量检测;燃料电池;瞬态多组分质谱分析系统
摘要：
为准确、快速、同步完成氢气中多种气体杂质含量的检测，实现对氢气品质的高效评价，该文采用瞬态多组分质谱分析系统，建立氢气品质检测分析方法。使用含有特定杂质组分的氢气及99.9999%氢气作为标准气对系统进行标定，测试样品氢气中各杂质组分含量，同时改变操作温度、进样压力，优化分析系统的操作条件。通过分析系统对不同来源氢气的检测，证实样品氢气中杂质种类和含量符合一般规律，最佳实验条件为20~25 ℃、0.2 MPa进样压力。最终得出结论：瞬态多组分质谱分析系统，检出限低、操作步骤简单、准确性高，适用于燃料电池用氢气品质检测。
Detection of hydrogen quality for fuel cell with multicomponent mass spectrometry analysis system
PAN Fengwen1, LI Naiwu1, LU Han1, HOU Lulu1, HUANG Xiaomei2, ZHU Liming1
1. Weichai Power Co., Ltd., Weifang 261061, China;
2. Chongqing University, Chongqing 400044, China
Abstract: In order that the content of various hydrogen gas impurities can be detected accurately, rapidly and simultaneously, realizing the efficient evaluation of hydrogen quality, a method for hydrogen quality detection and analysis was established by using transient multicomponent mass spectrometry analysis system. Calibrate the system using hydrogen containing a specific impurity component and 99.9999% hydrogen as the standard gas. Test contents of various impurities in hydrogen, and change the operating temperature and injection pressure to optimize the operating conditions of the analysis system. Through the detection of hydrogen from different sources by the analytical system, it is confirmed that the types and content of impurities in the sample hydrogen conform to the general rule, and the optimal experimental conditions are 20-25 ℃ and 0.2 MPa injection pressure. It is concluded that the transient multi-component mass spectrometry system, with low detection limit, simple operation steps and high accuracy, is suitable for hydrogen quality detection for fuel cells.
Keywords: hydrogen quality;trace detection;fuel cell;transient multicomponent mass spectrometry analysis system
2022, 48(10):94-99 收稿日期: 2021-09-18;收到修改稿日期: 2021-12-25
基金项目: 国家重点研发计划项目(2021YFB4001800)
作者简介:
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