Ultracapacitor and battery combination with electronic management system
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United States of America Patent
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Apr 18, 2017
Grant Date -
Oct 10, 2013
app pub date -
Mar 12, 2013
filing date -
Mar 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
This disclosure provides systems, methods and apparatus for a combined battery/capacitor energy storage device. The device includes a first device terminal, a second device terminal, a battery connected between the first terminal and the second terminal, and a capacitor connected in parallel with the battery. In one aspect, a rectifier is connected between the first terminal and the capacitor, the rectifier configured to allow substantially unidirectional current flow from the first terminal to the capacitor. In another aspect, a switch is between the capacitor and the first terminal. In another aspect, a current limiter extends between the first terminal and the capacitor.
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