Method for prediction of the internal resistance of an energy storage battery, and a monitoring device for energy storage batteries

  • US 20040150406A1
  • Filed: 11/10/2003
  • Published: 08/05/2004
  • Est. Priority Date: 11/13/2002
  • Status: Active Grant
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First Claim
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1. A method for predicting the internal resistance of an energy storage battery in assumed environmental and battery state conditions, the method comprising:

  • subdividing the internal resistance into a first resistance component which represents the electrical resistance of the energy storage battery for the region of electron conduction and a second resistance component which represents the electrical resistance of the energy storage battery for the region of ion conduction; and

    determining the first and second resistance components to be expected for the assumed environmental and battery state conditions;

    wherein each of the first and second resistance components are determined as a function of parameters of the assumed environmental and battery state conditions.

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