Hybrid energy storage system
First Claim
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1. An energy storage system comprising:
- a first discrete energy storage device for providing a constant current output;
a second discrete energy storage device arranged electrically in parallel with the first discrete energy storage device; and
a housing in which are disposed the first and second discrete energy storage devices, wherein the second discrete energy storage device is operatively disposed immediately adjacent a surface of said housing.
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Abstract
A hybrid 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 an electrochemical capacitor. The electrochemical capacitor 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 first and second energy storage devices may be coupled to output electronics to condition the output of the devices prior to delivering it to the application device.
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Citations
24 Claims
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1. An energy storage system comprising:
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a first discrete energy storage device for providing a constant current output; a second discrete energy storage device arranged electrically in parallel with the first discrete energy storage device; and a housing in which are disposed the first and second discrete energy storage devices, wherein the second discrete energy storage device is operatively disposed immediately adjacent a surface of said housing. - View Dependent Claims (2, 3, 23)
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4. An energy storage system for a device requiring intermittent energy bursts, said device comprising:
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a discrete battery cell for providing current output between said intermittent energy bursts; and a capacitor arranged in parallel with said discrete battery cell, and providing current output during said energy bursts. - View Dependent Claims (5, 7, 9, 10, 11, 12, 24)
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6. An energy storage system for a device requiring intermittent energy bursts, said energy storage system comprising:
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a first energy storage device comprising a battery for providing current output between said intermittent energy bursts; and a second energy storage device comprising a capacitor arranged in parallel with said first energy storage device for providing current output during said energy bursts, wherein said first and second energy storage devices are located remotely from one another.
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8. An energy storage system for a device requiring intermittent energy bursts, said energy storage system comprising:
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a first energy storage device comprising a battery for providing current output between said intermittent energy bursts; and a redox type capacitor arranged in parallel with said first energy storage device for providing current output during said intermittent energy bursts.
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- 13. A pulsed power communication device comprising a first energy storage device having a discrete battery cell for providing current output between intermittent power pulses, and a second energy storage device comprising a capacitor arranged in parallel with said first energy storage device, and providing current output during said power pulses.
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15. A pulsed power communication device comprising a first energy storage device comprising a battery for providing current output between intermittent power pulses and a second energy storage device comprising a capacitor arranged in parallel with said first energy storage device and providing current output during said power pulses, wherein said first and second energy storage devices are located remotely from one another.
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17. A pulsed power communication device comprising a first energy storage device comprising a battery for providing current output between intermittent power pulses, and a second energy storage device comprising a redox type capacitor arranged in parallel with said first energy storage device and providing current output during said power pulses.
Specification