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REVIEW article
Front. Energy Res.
Sec. Hydrogen Storage and Production
Volume 12 - 2024 |
doi: 10.3389/fenrg.2024.1408338
An Review of Research on Liquid Hydrogen Leakage: Regarding China's Hydrogen Refueling Stations
Provisionally accepted- 1 PowerChina Huadong Engineering Corporation Limited, Hangzhou, Jiangsu Province, China
- 2 Huazhong University of Science and Technology, Wuhan, Hubei Province, China
Hydrogen is regarded as the premier energy source for future sustainability and renewability. However, its distinct physicochemical properties render it prone to explosions in the event of a leak. Therefore, there is a need for more comprehensive research dealing with hydrogen leakage, explosion scenarios, and risk assessment. This paper provides an overview of the current hydrogen policies adopted in China. It reviews the processes of hydrogen refueling station construction and the thermophysical mechanisms of liquid hydrogen leakage. In this regard, the effects of various factors, including leakage rate, leakage time, leakage hole size, wind direction and speed, and building location, on the hydrogen leakage rate are analyzed and evaluated. Additionally, the impacts of different factors on hydrogen explosion overpressure are reported, including hydrogen concentration, wind speed, obstacles, and ignition position, in addition to the current applications of quantitative risk assessment methods in hydrogen refueling stations. Finally, the limitations of current research on liquid hydrogen leakage and explosion accidents are highlighted, along with the shortcomings of current risk assessment methods for liquid hydrogen refueling stations.
Keywords: China hydrogen energy policy, liquid hydrogen leakage, Explosive overpressure, Risk Assessment, Hydrogen refueling stations
Received: 12 Apr 2024; Accepted: 23 Aug 2024.
Copyright: © 2024 Rong, Yuan, Peng, Hou, Gao, Zhang, Chen and Chen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Jianye Chen, Huazhong University of Science and Technology, Wuhan, 430074, Hubei Province, China
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