Sk Innovation Co., Ltd.

Tae Kon Ko

Jeon Keun Oh

Jae Yun Min

Eun Joo Lee

A method of fabricating a lithium secondary battery, which improves charge-discharge characteristics, lifespan, and temperature characteristics of the battery and which includes interposing a separator between a positive electrode plate and a negative electrode plate, thus manufacturing an electrode assembly; housing the electrode assembly in a battery case, introducing an additive-containing electrolytic solution, and then sealing the battery case; subjecting the sealed battery case to pre-charging, and then removing gas generated by the pre-charging; subjecting the battery case to formation; and removing gas generated by the formation, wherein the additive is one or more selected from among LiFBCO, 3,9-divinyl-2,4,8,10-tetraoxaspiro[5,5]undecane, LiB(CO), poly(ethyleneglycol)borate and derivatives thereof, halogen-substituted carbonate, and vinyl silane, and the pre-charging is conducted in a range of 10% or less of a battery capacity.

Growing community of inventors

Chungcheongnam-do, South Korea

Tae Kon Ko