Hyundai Motor Company

Kia Motors Corporation

Ulsan National Institute of Science and Technology

Ikkyu Kim

Yoon Sung Lee

Jung Young Cho

Seung-Min Oh

Yeolmae Yeo

Jieun Lee

Dongjun Kim

Sa Heum Kim

Sang Mok Park

Sangjin Park

Donghui Kim

KiSeok Koh

SungHoon Lim

Nam-Soon Choi

Sungmin Choi

Shinkook Kong

Koeun Kim

Sung Ji Park

Juyeon Lee

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 are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for the lithium secondary battery includes a lithium salt, a solvent component and an additive including one or more of the following compounds, wherein each of R, Rand Ris independently hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 6 to 30 carbon atoms.

Electrolyte for lithium secondary battery, lithium secondary battery containing the same

Disclose are an electrolyte composite for a lithium secondary battery having an improved output; a cathode including a protective film on its surface; and a lithium secondary battery comprising the same.

Electrolyte for lithium secondary battery and lithium secondary battery including the same

Growing community of inventors

Gyeonggi-do, South Korea

Ikkyu Kim