A Review of Measurement Techniques for Ortho-Para Hydrogen Catalytic Conversion Based on Raman Scattering Spectroscopy

Liu Wenrui; Zhu Shaolong; Zhang Hanwei; Qiu Limin; Wang Kai

doi:10.12465/issn.0253-4339.20260127001

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A Review of Measurement Techniques for Ortho-Para Hydrogen Catalytic Conversion Based on Raman Scattering Spectroscopy

更新时间：2026-06-01

- A Review of Measurement Techniques for Ortho-Para Hydrogen Catalytic Conversion Based on Raman Scattering Spectroscopy
- Journal of Refrigeration Vol. 47, Issue 3, Pages: 9-19(2026)
- 作者机构：
  
  1.浙江大学制冷与低温研究所杭州 310027
  2. 全省制冷与低温技术重点实验室杭州 310027
- 作者简介：
- 基金信息：
  
  the National Natural Science Foundation of China(52476021)
- DOI：10.12465/issn.0253-4339.20260127001
  CLC： O657.37;TQ116.2
- Received：27 January 2026，
  
  Revised：2026-02-12，
  
  Accepted：12 February 2026，
  
  Published：16 June 2026
- 稿件说明：
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刘文睿,朱少龙,张涵玮等.基于拉曼散射光谱的正仲氢催化转化测量技术综述[J].制冷学报,2026,47(03):9-19.

Liu Wenrui,Zhu Shaolong,Zhang Hanwei,et al.A Review of Measurement Techniques for Ortho-Para Hydrogen Catalytic Conversion Based on Raman Scattering Spectroscopy[J].Journal of Refrigeration,2026,47(03):9-19.
刘文睿,朱少龙,张涵玮等.基于拉曼散射光谱的正仲氢催化转化测量技术综述[J].制冷学报,2026,47(03):9-19. DOI： 10.12465/issn.0253-4339.20260127001.

Liu Wenrui,Zhu Shaolong,Zhang Hanwei,et al.A Review of Measurement Techniques for Ortho-Para Hydrogen Catalytic Conversion Based on Raman Scattering Spectroscopy[J].Journal of Refrigeration,2026,47(03):9-19. DOI： 10.12465/issn.0253-4339.20260127001.

摘要

正仲氢催化转化是氢液化流程中降低能耗、提高储存效率的关键工艺。掌握催化反应动力学规律并实现浓度的实时监测对于优化液氢生产至关重要，其中基于拉曼散射光谱的正仲氢浓度测量技术是一种响应迅速、准确、高效的原位测量手段。相较于传统的气相色谱仪间接测量方法，不仅能适配工艺过程动态检测需求，还能服务于反应动力学等精密测试，是一种先进的测量手段。本文综述了基于拉曼散射光谱的正仲氢浓度测量技术，系统阐述了该测量技术的原理、光学检测系统的构成。通过回顾正仲氢催化转化测量技术从早期宏观热导率测量到现代原位光谱分析的发展历程，重点对比了拉曼光谱与气相色谱、核磁共振、声速法等技术的优劣，并指出拉曼光谱技术在自标定、无损、原位、快速响应等方面的显著优势。为氢能规模化应用中的正仲氢高精度监控提供了理论依据与技术参考。

Abstract

Ortho-para hydrogen conversion is a key process in hydrogen liquefaction that reduces energy consumption and improves storage efficiency. Understanding the catalytic reaction kinetics and achieving real-time concentration monitoring are crucial for optimizing liquid hydrogen production. Among available techniques， Raman spectroscopy enables rapid， accurate， and efficient in situ measurement of ortho-para hydrogen concentration. Compared with traditional indirect methods that use gas chromatography， this technique meets the dynamic detection needs of the process and provides precise measurements， such as reaction kinetics， making it an advanced measurement technique. This study reviews the Raman scattering spectroscopy-based ortho-para hydrogen concentration measurement technique. Accordingly， the principle and composition of the optical detection system for this measurement technique are systematically explained. This study highlights the advantages and disadvantages of Raman spectroscopy compared with the methods of gas chromatography， nuclear magnetic resonance， and sound velocity by reviewing the development and evolution of the ortho-para hydrogen conversion measurement technique from its early use for macroscopic thermal conductivity measurements to its use for modern， in situ spectroscopic analyses. Finally， the study highlights the advantages of Raman spectroscopy in terms of its self-calibration and nondestructive， in situ， and rapid response capabilities. Overall， this study provides a theoretical basis and technical reference for the high-precision monitoring of ortho-para hydrogen in large-scale applications of hydrogen energy.

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references

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