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Hybrid energy storage module

  • US 9,230,748 B1
  • Filed: 01/09/2014
  • Issued: 01/05/2016
  • Est. Priority Date: 01/09/2014
  • Status: Active Grant
First Claim
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1. A passively voltage-controlled ultra-capacitor module for an energy storage apparatus, comprising:

  • a battery positive terminal configured to be connected to a positive terminal of a rechargeable battery;

    a battery negative terminal configured to be connected to a negative terminal of the rechargeable battery;

    an inductor having a first lead, a second lead, and a low-permeability core, the first lead being in electrical communication with the battery positive terminal;

    at least one ultra-capacitor having a positive lead and a negative lead, the positive lead being in electrical communication with the second lead of the inductor and the negative lead being in electrical communication with the battery negative terminal; and

    a load positive terminal and a load negative terminal, configured such that a load connected to the load terminals is electrically in parallel with the at least one ultra-capacitor.

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