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METHOD FOR QUICK-CHARGING NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND ELECTRIC EQUIPMENT USING THE SAME

  • US 20080197813A1
  • Filed: 02/20/2008
  • Published: 08/21/2008
  • Est. Priority Date: 02/20/2007
  • Status: Abandoned Application
First Claim
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1. A method for quick charging a non-aqueous electrolytic secondary battery which includes a heat-resistant layer between a negative electrode and a positive electrode thereof, comprising the steps of:

  • (a) detecting the temperature of the secondary battery;

    (b) obtaining an internal resistance value of the secondary battery which corresponds to the detected temperature of the secondary battery;

    (c) based on the detected temperature of the secondary battery and the obtained internal resistance value of the secondary battery, obtaining, as an optimum charging-current value, a maximum charging-current value up to which the temperature of the secondary battery does not reach an excessive temperature even if a charging current flows to the secondary battery; and

    (d) supplying an electric current equivalent to the obtained optimum charging-current value to the secondary battery.

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