Method for forming lithium ion secondary battery

Method for forming lithium ion secondary battery

  • CN 101,330,158 B
  • Filed: 06/22/2007
  • Issued: 11/06/2013
  • Est. Priority Date: 06/22/2007
  • Status: Active Grant
First Claim
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1. the chemical synthesizing method of a lithium rechargeable battery, the method comprises charges to lithium rechargeable battery, it is characterized in that, the described method that lithium rechargeable battery is charged comprises with after the first electric current constant current charge to the first voltage, with the second electric current constant current charge to second voltage, then with second voltage constant voltage charge to the second by electric current;

  • Described second voltage is higher than the first voltage, and the second electric current is more than or equal to the first electric current;

    Carry out under vacuum condition so that the charging process of the first electric current constant current charge to the first voltage is at least part of.

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