Performances comparison of adsorption hydrogen storage tanks at a wide temperature and pressure zone |
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| Affiliation: | 1. Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. College of Electrical Engineering and Automation, Fuzhou University, 350108 Fuzhou, China;2. Fujian Smart Electrical Engineering Technology Research Center, Fuzhou University, 350108 Fuzhou, China;1. School of Artificial Intelligence, Chongqing Creation Vocational College, Chongqing, 402160, China;2. Tajik Technical University, Tajikistan;1. College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China;2. Fujian Smart Electrical Engineering Technology Research Center, Fuzhou University, Fuzhou 350108, China;1. National and Local Joint Engineering Research Center of Lithium-ion Batteries and Materials Preparation Technology, Key Laboratory of Advanced Battery, Materials of Yunnan Province, Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China;2. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China |
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| Abstract: | Large-scale application of hydrogen requires safe, reliable and efficient storage technologies. Among the existing hydrogen storage technologies, cryo-compressed hydrogen (CcH2) storage has the advantages of high hydrogen storage density, low energy consumption and no ortho-para hydrogen conversion. But it still needs higher hydrogen storage pressure when reaching higher hydrogen storage density. In order to reduce hydrogen storage pressure and improve storage density, solid adsorption technology is introduced in CcH2. Activated carbon and metal-organic framework materials (MOFs) are employed as adsorbents in this paper. The gravimetric/volumetric hydrogen storage capacities of different adsorption tanks are studied and compared with the hydrogen storage conditions of 1–55 MPa at 77–298 K. The results show that the hydrogen storage density of CcH2 combined with adsorption is higher than that of pure adsorption hydrogen storage, and the storage pressure is lower than that of pure CcH2 under the same hydrogen storage capacity. And the combination of two hydrogen storage technologies can achieve a high hydrogen storage capacity equivalent to that of liquid hydrogen at a lower pressure. |
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| Keywords: | Solid adsorption hydrogen storage Cryo-compressed adsorption tank Hydrogen storage capacity |
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