Parametric Study on Fin Structure and Injection Tube in Metal Hydride Tank Packed with LaNi 5 Alloy for Efficient and Safe Hydrogen Storage

Min Liu, Bo Zhao, Yaze Li, Zhen Wang, Xuesong Zhang, Liang Tong, Tianqi Yang (), Xuefang Li and Jinsheng Xiao
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Min Liu: Research Institute of State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310006, China
Bo Zhao: Research Institute of State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310006, China
Yaze Li: Hubei Research Center for New Energy & Intelligent Connected Vehicle, School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China
Zhen Wang: Hubei Research Center for New Energy & Intelligent Connected Vehicle, School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China
Xuesong Zhang: Research Institute of State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310006, China
Liang Tong: Reliability Engineering and New Energy Institute, School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
Tianqi Yang: Hubei Research Center for New Energy & Intelligent Connected Vehicle, School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China
Xuefang Li: Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China
Jinsheng Xiao: Hubei Research Center for New Energy & Intelligent Connected Vehicle, School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China

Sustainability, 2023, vol. 15, issue 12, 1-13

Abstract: Efficient hydrogen storage methods are crucial for the large-scale application of hydrogen energy. This work studied the effects of fin structure and injection tube on the system performance of a hydrogen storage tank packed with LaNi 5 alloy. An axisymmetric finite element model of the metal hydride hydrogen storage tank was established. The fin structure and injection tube were added to the hydrogen storage tank, and the effects of the fin location and injection tube on the efficiency and safety of the hydrogen storage tank during hydriding were analyzed. A parametric study on the wall fin structure and injection tube has been carried out to optimize the design of a hydrogen storage tank, and to improve its efficiency and safety. The hydrogen storage capacity of the optimized tank packed with LaNi 5 alloy can reach 1.312 wt%, which is 99% of its maximum capacity, at around 650 s. The results show that the fin structure can improve the heat transfer performance of the storage tank, and that the injection tube can enhance the mass transfer of hydrogen in the tank.

Keywords: hydrogen storage; hydrogen safety; metal hydride; heat and mass transfer; LaNi 5 alloy (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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