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Lithium-Ion Secondary Battery System

  • US 20110193529A1
  • Filed: 02/08/2011
  • Published: 08/11/2011
  • Est. Priority Date: 02/09/2010
  • Status: Active Grant
First Claim
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1. A lithium-ion secondary battery system comprising:

  • a lithium-ion secondary battery having a cathode, an anode including carbon, and a non-aqueous electrolyte;

    a charge/discharge circuit for putting the lithium-ion secondary battery on charge according to a charge control parameter; and

    an arithmetic processing section for controlling the charge/discharge circuit,wherein the arithmetic processing section obtains battery characteristics of the lithium-ion secondary battery, changes a value of the charge control parameter when the arithmetic processing section determines that the battery characteristics satisfies a condition for changing the charge control parameter, and restores the value of the charge control parameter to the value before the change when the charge for the lithium-ion secondary battery is finished.

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