期刊
MICROMACHINES
卷 12, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/mi12030278
关键词
NaBH4 hydrolysis; micro hydrogen– oxygen fuel cell system; hybrid power management
类别
资金
- National Natural Science Foundation of China [62004051]
The fuel cell system incorporating NaBH4 hydrolysis technology offers high power capacity and a compact design suitable for applications in severe weather conditions. By integrating the fuel cell system with photovoltaic and lithium-ion batteries, a small-packaged hybrid power system is formed. With a control strategy and power management circuit without logic devices, the system effectively switches power sources automatically and timely in emergencies, maintaining stable output voltage throughout.
Although the hybrid power system that combines a photovoltaic cell and a lithium-ion battery is increasingly mature and practical, long-lifetime auxiliary power will be still needed in severe weather conditions. A small-volume hydrogen-oxygen fuel cell system based on the hydrolysis of NaBH4 is designed. The fuel cell system contains a tiny hydrogen generator, a hydrogen cleaner, and a small fuel cell stack consisting of three units in series. The relationship between the amount of catalyst and output performance is discussed. The long-time discharging results indicate that the fuel cell system has high power capacity. The compact design allows the fuel cell system to integrate the structure with a photovoltaic cell and lithium-ion cell and forms a hybrid power system with a small package. The power management circuit for these power sources without logic devices is designed and tested. The control strategy selects the photovoltaic-battery subsystem as the primary power source, and the fuel cell subsystem works as the backup power source to handle the circumstance when the energy stored in the battery is exhausted. The test results show that the power management system could switch the power supply automatically and timely under various emergency conditions, and the output voltage remains stable all the time.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据