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    • 5. 发明授权
    • Switching DC-DC power converter and battery charger for use with direct oxidation fuel cell power source
    • 开关DC-DC电源转换器和电池充电器,用于直接氧化燃料电池电源
    • US06590370B1
    • 2003-07-08
    • US10261823
    • 2002-10-01
    • David H. Leach
    • David H. Leach
    • G05F500
    • H01M16/006H02J7/34H02J2001/004H02M3/155H02M2001/0022
    • This invention presents a method and apparatus for controlling the operating point, i.e. the output voltage or current, of a fuel cell to a desired value, efficiently transferring the available fuel cell power to a rechargeable battery and load, and isolating the fuel cell from the battery and load. Active control of the operating point of the fuel cell allows for optimized power output and fuel cell efficiency. This invention uses feedback from the input to regulate the input voltage or current. The output of the DC-DC converter either charges the battery or helps the battery supply the load, and is maintained equal to the battery voltage as the output of the DC-DC converter is directly connected to the battery.
    • 本发明提出了一种用于将燃料电池的工作点(即,输出电压或电流)控制到期望值的方法和装置,将可用燃料电池功率有效地传递到可再充电电池并加载,并且将燃料电池与 电池和负载。 主动控制燃料电池的工作点允许优化的功率输出和燃料电池效率。 本发明使用来自输入端的反馈来调节输入电压或电流。 DC-DC转换器的输出可以为电池充电或者帮助电池提供负载,并且由于DC-DC转换器的输出直接连接到电池,所以电池电压保持等于电池电压。