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Advanced Charge Balancing System for Lithium Batteries

  • US 20120025784A1
  • Filed: 08/01/2011
  • Published: 02/02/2012
  • Est. Priority Date: 07/30/2010
  • Status: Abandoned Application
First Claim
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1. A method of balancing terminal voltage in multiple battery cells during charging and discharging, comprising the steps of:

  • a. providing at least two battery cells;

    b. providing an energy dispersing unit capable of taking energy from individual cells, stepping down individual battery cell voltage and redirecting the voltage to the lowest voltage battery cell;

    c. monitoring the terminal voltage of individual battery cells using the energy dispersing unit at predetermined intervals as the battery cells discharge; and

    d. discharging cells having greater terminal voltage, while preventing the cell having the lowest terminal voltage from discharging.

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