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CELL BALANCING APPARATUS AND METHOD

  • US 20100085009A1
  • Filed: 12/09/2009
  • Published: 04/08/2010
  • Est. Priority Date: 08/08/2008
  • Status: Active Grant
First Claim
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1. A cell balancing apparatus, comprising:

  • an open circuit voltage (OCV) estimating means for measuring voltage of each cell in a battery and estimating OCV of each cell using a voltage variation pattern of each cell including a present voltage and a past voltage; and

    a cell balancing means for balancing state of charge (SOC) of each cell through comparison of the estimated OCV of each cell.

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