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Method and device for managing batteries of a battery system

  • US 7,638,974 B2
  • Filed: 12/03/2004
  • Issued: 12/29/2009
  • Est. Priority Date: 12/03/2003
  • Status: Active Grant
First Claim
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1. Method for managing a battery system including a number of serially-coupled batteries comprising:

  • detecting different battery voltages over at least two serially-coupled batteries of the battery system;

    controlling the voltage distribution of the two serially-coupled batteries by controlling the potential at an intermediate connection point between the two serially-coupled batteries to purposefully create an applied voltage imbalance between the two serially-coupled batteries of the battery system; and

    utilizing the applied voltage imbalance between different serially-coupled batteries of the system during operation of the battery system.

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