Hyundai Motor Company

Kia Motors Corporation

Shinkook Kong

Sangjin Park

Jung Young Cho

SungHoon Lim

Jieun Lee

Dongjun Kim

Yoon Sung Lee

Sang Mok Park

Seung-Min Oh

Yeolmae Yeo

Seyoung Lee

Ikkyu Kim

Sunghoon Lim

Disclosed is a lithium secondary battery having an improved lifetime. The lithium secondary battery may include: a cathode including a cathode active material; an anode including an anode active material; a separator disposed between the cathode and the anode; and an electrolyte including bis(trimethylsilyl) 2,2-thiodiacetate.

Lithium secondary battery

Disclosed is a lithium secondary battery capable of preventing the battery life from being reduced. The lithium secondary battery includes a cathode, an anode including silicon, a separator positioned between the cathode and the anode, and an electrolyte including flouoroethylene carbonate (FEC), wherein a weight ratio of the silicon to the FEC is about 0.4 to about 0.8.

Growing community of inventors

Gyeonggi-do, South Korea

Shinkook Kong