Hybrid energy storage system
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United States of America Patent
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Jun 29, 1999
Issued Date -
N/A
app pub date -
May 13, 1997
filing date -
May 13, 1997
priority date (Note) -
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Abstract
An energy storage system (10) including a first energy storage device (12), such as a secondary or rechargeable battery, and a second energy storage device (14), such as a capacitor, fuel cell, or flywheel. The second energy storage device provides intermittent energy bursts to satisfy the power requires of, for example, pulsed power communication devices. Such devices typically require power pulses in excess of those which conventional battery cells can easily provide for numerous cycles. The system (10) further includes circuitry (16) for coupling the second energy storage device (14) to a load in response to changes in the battery (12).
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