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Hydrogen storage material deterioration detection device for hydrogen storage tank, hydrogen storage material deterioration detection method for hydrogen storage tank, and hydrogen storage supply system
Hydrogen storage material deterioration detection device for hydrogen storage tank, hydrogen storage material deterioration detection method for hydrogen storage tank, and hydrogen storage supply system
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机译:储氢罐的储氢材料劣化检测装置,储氢罐的储氢材料劣化检测方法以及储氢供应系统
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摘要
A hydrogen storage tank (12) incorporates a hydrogen occlusion alloy (MH) and a heat exchanger (19). Based on a PCT curve of the hydrogen occlusion alloy, a microcomputer (31) determines, when the pressure inside the hydrogen storage tank (12) at the time of the start of hydrogen charging is in a state in a plateau region of the hydrogen occlusion alloy or is lower than the pressure in the plateau region, whether or not the hydrogen occlusion alloy is degraded. The microcomputer (31) calculates the amount of heat for cooling, which amount is a heat amount used for cooling in the charging of hydrogen into the hydrogen storage tank (12), based on heat medium temperatures at the entrance and exit of the heat exchanger and on the flow rate of the heat medium. The microcomputer (31) determines whether or not the hydrogen occlusion alloy (MH) is degraded, and the determination is made based on a standard amount of heat for cooling and on the calculated heat amount for cooling, the standard amount of heat is a heat amount required when hydrogen is charged up to a predetermined pressure from an empty state of the tank.
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