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BATTERY CHARGE/DISCHARGE CONTROL DEVICE AND HYBRID VEHICLE USING THE SAME

  • US 20110127958A1
  • Filed: 07/10/2009
  • Published: 06/02/2011
  • Est. Priority Date: 07/11/2008
  • Status: Active Grant
First Claim
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1. A battery charge/discharge control device comprising an input-enabled power adjustment unit which adjusts, during charge and discharge, based on a charge history, input-enabled power to a battery formed of a lithium ion secondary battery, such that a negative electrode potential of the battery is not lowered to a lithium reference potentialwhereinthe input-enabled power adjustment unit determines the input-enabled power based on an enabled charge current which is set as a maximum current with which metal lithium does not precipitate on the negative electrode, and changes the enabled charge current such that the enabled charge current decreases in accordance with a charge continuation time and increases in accordance with a discharge continuation time.

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