Vacuum Maintenance Performance of MOF Adsorbents for Liquid-Hydrogen Storage Tanks

Li Xinyi; Zou Jiahao; Wang Haoren; Pan Quanwen; Wang Bo; Gan Zhihua

doi:10.12465/issn.0253-4339.20251120002

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Vacuum Maintenance Performance of MOF Adsorbents for Liquid-Hydrogen Storage Tanks

更新时间：2026-06-01

- Vacuum Maintenance Performance of MOF Adsorbents for Liquid-Hydrogen Storage Tanks
- Journal of Refrigeration Vol. 47, Issue 3, Pages: 36-42(2026)
- 作者机构：
  
  1.浙江工业大学机械工程学院杭州 310014
  2. 浙大城市学院低温中心杭州 310015
  3. 浙江大学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：
- DOI：10.12465/issn.0253-4339.20251120002
  CLC： TB61⁺1;O647.32
- Received：20 November 2025，
  
  Revised：2025-12-30，
  
  Accepted：05 January 2026，
  
  Published：16 June 2026
- 稿件说明：
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李欣怡,邹家豪,王浩任等.液氢罐箱用MOFs吸附材料真空维持性能研究[J].制冷学报,2026,47(03):36-42.

Li Xinyi,Zou Jiahao,Wang Haoren,et al.Vacuum Maintenance Performance of MOF Adsorbents for Liquid-Hydrogen Storage Tanks[J].Journal of Refrigeration,2026,47(03):36-42.
李欣怡,邹家豪,王浩任等.液氢罐箱用MOFs吸附材料真空维持性能研究[J].制冷学报,2026,47(03):36-42. DOI： 10.12465/issn.0253-4339.20251120002.

Li Xinyi,Zou Jiahao,Wang Haoren,et al.Vacuum Maintenance Performance of MOF Adsorbents for Liquid-Hydrogen Storage Tanks[J].Journal of Refrigeration,2026,47(03):36-42. DOI： 10.12465/issn.0253-4339.20251120002.

摘要

液氢罐箱因具有储氢密度高、系统成本低等优势在氢储运应用中展现出规模化储运潜力，但将液氢容器夹层长期维持在10

-2

Pa级高真空环境仍面临挑战，其中氢气残余是导致真空失效的主要因素，亟需开发高性能低成本的氢吸附材料。本研究基于金属有机框架材料（MOFs）的多孔特性，采用HKUST-1作为新型氢吸附剂，系统研究其吸附特性及其在液氢罐箱（长12 192 mm、宽2 438 mm、高2 591 mm，40英尺）中的应用机制。结果表明：通过自主合成获得的具有1 426 m

/g比表面积和双峰孔结构的HKUST-1展现出优异的物理吸附潜能，该材料在液氢温区具有可逆吸氢性能，且在极低压力区间仍保持有效吸附，兼具低温吸附与常温吸附双重功能。夹层真空动态模型结果表明：在夹层冷端使用少量制备的HKUST-1能同时减少低温吸附剂和常温吸附剂的用量，有效提高对残余氢的物理吸附并减缓极低真空下H

分压力的上升速度。本研究为液氢储运装备的真空维持提供了新型材料解决方案，对液氢罐箱的安全设计和运维具有参考价值。

Abstract

Liquid-hydrogen tank containers have received increasing attention for hydrogen storage and transportation applications owing to their high hydrogen storage density and relatively low system cost. However， maintaining a high vacuum environment of 10

-2

Pa in the interlayer of liquid-hydrogen containers remains challenging， with residual hydrogen contributing significantly to vacuum failure. Thus， high-performance， low-cost hydrogen adsorption materials and their corresponding vacuum maintenance mechanisms must be developed urgently. In this study， the adsorption characteristics of HKUST-1—a metal-organic framework—and its application mechanism in 40-foot （length： 12 192 mm， width： 2 438 mm， height： 2 591 mm） liquid hydrogen tank containers were investigated. The results show that the self-synthesized HKUST-1， with a specific surface area of 1 426 m

/g and a bimodal pore structure， exhibited excellent physical adsorption potential. The material demonstrated reversible hydrogen adsorption in the liquid-hydrogen temperature range and maintained effective adsorption at extremely low pressures， thus serving dual functions for both cryogenic and am

bient-temperature adsorption. Dynamic vacuum model results reveal that using a small amount of HKUST-1 at the cold end of the interlayer reduced the required amounts of both cryogenic and ambient-temperature adsorbents， thereby effectively enhancing the physical adsorption of residual hydrogen and retarding the increase of H₂ partial pressure under extreme vacuum conditions. This study provides a new material solution for vacuum maintenance in liquid-hydrogen storage and transportation equipment， as well as offers valuable insights into the safety design and operation of liquid-hydrogen tank containers.

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