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POWER STORAGE DEVICE AND CHARGING METHOD THEREOF

  • US 20140184172A1
  • Filed: 12/20/2013
  • Published: 07/03/2014
  • Est. Priority Date: 12/28/2012
  • Status: Active Grant
First Claim
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1. A charging method of a power storage unit, comprising the steps of:

  • performing first charging with a first voltage;

    measuring a capacity of the power storage unit after the step of performing the first charging;

    comparing the capacity with a value stored in a memory; and

    performing second charging with a second voltage after the step of comparing the capacity with the value,wherein the second voltage is higher than the first voltage, andwherein the second charging is performed until a resistance of the power storage unit reaches a predetermined resistance.

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