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Fatigue test of carbon epoxy composite high pressure hydrogen storage vessel under hydrogen environment

Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2013年第6期14卷 393-400页

作者： Chuan-xiang ZHENG Liang WANG Rong LI Zong-xin WEI Wei-wei ZHOU Institute of Chemical Machinery and Process Equipment Zhejiang University

A significant temperature raise within hydrogen vehicle cylinder during the fast filling process will be observed, while the strength and fatigue life of the cylinder will dramatically decrease at high temperature. In order to evaluate the strength and fatigue of composite hydrogen storage vessel, a 70-MPa fatigue test system using hydrogen medium was set up. Experimental study on the fatigue of composite hydrogen storage vessels under real hydrogen environment was performed. The experimental results show that the ultimate strength and fatigue life both decreased obviously compared with the values under hydraulic fatigue test. Furthermore, fatigue property, failure behavior, and safe hydrogen charging/discharging working mode of onboard hydrogen storage vessels were obtained through the fatigue tests.

关键词： hydrogen storage vessel Composite Fatigue test High pressure Temperature raise

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Influence of heat exchanger structure on hydrogen absorption-desorption performance of hydrogen storage vessel

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Progress in Natural Science:Materials International 2022年第5期32卷 617-624页

作者： Jianguang Yuan Ming Yao Baozhou Zhao Yujie Lv Haixiang Huang Jinting Chen Bogu Liu Bao Zhang Ying Wu Institute of Energy Power Innovation North China Electric Power University Jiangsu JITRI Advanced Energy & Materials Research Institute Co. Ltd. School of Energy Power and Machinery Engineering North China Electric Power University Institute of Biomedical Engineering and Health Sciences School of Pharmacy & School of Medicine Changzhou University

The influence of heat exchanger structure on hydrogen absorption-desorption performance of hydrogen storage vessel was studied, in which the AB5(La0.25Ce0.75Ni4.4Al0.1Mn0.1Co0.4) hydrogen storage alloy was used as a typical representative. In order to obtain the data on reaction enthalpy, the PCT curve of the alloy was measured with three different temperatures, and the linear fitting was carried out according to the Van’t Hoff relation *** SMCR(Spiral-mini-channel Reactor) reactor structure was adopted. The heat transfer method and its simplified model were studied by finite element method to explore the effect of size of heat transfer structure,particularly for heat pipe diameter, on the hydrogen absorption-desorption performance of hydrogen storage alloy in the vessel.

关键词： hydrogen storage materials AB5 alloy Heat exchanger hydrogen absorption-desorption performance hydrogen storage vessel

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Study on hydrogen Environment Fatigue Test System and Correlative Fatigue Test of hydrogen storage vessel

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Journal of Harbin Institute of Technology(New Series) 2013年第1期20卷 81-86页

作者： Wei-Wei Zhou Chuan-Xiang Zheng Rong Li Liang Wang Institute of Chemical Machinery and Process Equipment Zhejiang University

A 70 MPa hydrogen environment fatigue test system has been designed and applied in the manufacture of a hydrogen storage vessel. The key equipment is a 80 MPa flat steel ribbon wound high pressure hydrogen storage vessel. A reasonable stress distribution has been realized, which is low stress on the liner of the pressure vessel and even stress on the flat ribbon layers. This optimal stress distribution is achieved through the adjustment of the prestress in flat steel ribbons. A control system for the fatigue test system has also been designed. It consists of a double control model, manual control and automatic control, to satisfy different experiment requirements. The system is the only one which can be used in the real hydrogen environmental fatigue test system in China. An experiment for a 70 MPa onboard composite material hydrogen vessel has been carried out on the system. The experimental results from this test are in close agreement with the practical operating conditions.

关键词： hydrogen storage vessel fatigue hydrogen environment experiment

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