The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Nov. 28, 2018
Lg Chem, Ltd., Seoul, KR;
Jong Hwan Choi, Daejeon, KR;
Eun Ju Lee, Daejeon, KR;
Ji Eun Lee, Daejeon, KR;
Ye Jin Nam, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A method for activating a battery cell. The battery cell includes a positive electrode coated with a nickel cobalt manganese (NCM) positive electrode material, into which lithium nickel oxide (LNO) has been added or mixed. The method includes a step of charging the battery cell; and a step of discharging the battery cell, when, in the step of charging the battery cell, the battery cell is charged under a charging condition of C-rate of 0.1 C to 0.5 C in a state of being heated at a temperature of 45° C. to 60° C. When the activation process is performed according to the present invention having the above-described configuration, the pressing/heating conditions for suppressing generation of a gas may be provided to prevent swelling, battery deformation, and performance deterioration due to the generation of the gas from occurring.