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Battery with built-in load leveling

  • US 7,186,473 B2
  • Filed: 08/21/2002
  • Issued: 03/06/2007
  • Est. Priority Date: 08/19/2002
  • Status: Active Grant
First Claim
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1. A battery with built-in load leveling, comprising:

  • a rechargeable battery element, used as a primary energy supplier when the battery discharges;

    a capacitor element, selected from the group consisting of supercapacitor, ultracapacitor, and electric double layer capacitor;

    an electronic controller for controlling a two-way charging of complementary charge and complementary discharge between said battery element and said capacitor element;

    a single housing to adapt said battery element, said capacitor element, and said controller to provide a hermetic encapsulation; and

    two terminals by one positive terminal and one negative terminal, on the exterior of said housing for charging and for discharging.

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