Effect of water on the thermal stability of alpha-aluminum hydride |
| |
| Affiliation: | 1. Energy Storage Research Group, Faculty of Ocean Engineering Technology and Informatics, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia;2. Department of Electrical and Electronic Engineering, Faculty of Engineering, National Defence University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia;1. School of Environment and Safety Engineering, North University of China, Xueyuan road 3, Taiyuan 030051, People''s Republic of China;2. School of Chemistry and Chemical Engineering, North University of China, Xueyuan road 3, Taiyuan 030051, People''s Republic of China;1. Department of Mechanical, Mechatronics and Manufacturing Engineering, University of Engineering and Technology Lahore, Faisalabad, Pakistan;2. Department of Mechatronics and Control Engineering, University of Engineering and Technology Lahore, Pakistan;3. U.S. Pakistan Centre for Advanced Studies in Energy, National University of Sciences and Technology, Islamabad, Pakistan;4. School of Industrial Engineering, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile;5. Stokes Laboratories and Bernal Institute, School of Engineering, University of Limerick, Limerick, Ireland;1. Department of Applied Chemistry, Yuncheng University, Yuncheng 044000, PR China;2. Science Experiment Center, Yuncheng University, Yuncheng 044000, PR China;3. State Key Laboratory of Explosion Science and Technology, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, PR China;1. School of Energy and Environment, Southeast University, Nanjing 210096, China;2. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China |
| |
| Abstract: | Water can significantly enhance the thermal spontaneous combustion and explosion hazard of alpha-aluminum hydride (α-AlH3). Thermal analysis suggested that, as the water content increased from 10% to 40%, the total reaction heat was increased by 68.3%. α-AlH3 with different water contents (10%–40%) underwent hydrolysis reaction and oxidation reaction with the activation energy of 57.9–68.7 kJ/mol and 88.3–107.6 kJ/mol, respectively. As the heating rate increased from 0.2 to 2 °C/min, the onset temperature, the peak temperature, and the maximum heat flow of the exothermic reaction were increased. As the storage temperature increased from 45 to 65 °C, the time to maximum reaction rate decreased from 5.16 to 0.84 h. Combining the results of SEM, XRD, XPS and thermal analysis, the reaction mechanism of α-AlH3 and water under isothermal and non-isothermal conditions was revealed. |
| |
| Keywords: | Alpha-aluminum hydride Thermal stability Water content Exothermic reaction |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
