ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

• Main Authors: LEE, Jun Yong, RYU, Su Yeol, KIM, Soo Jin, CHO, Won Seok, CHOI, Sun Joo, KIM, Yun Hee, SEO, Jin Ah, KIM, Sang Hoon, JEONG, Hye Jeong
• Format: Patent
• Language: English; French; Korean
• Published: 02.03.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

An electrolyte for a lithium secondary battery, and a lithium secondary battery comprising same are disclosed. The electrolyte for a lithium secondary battery comprises a lithium salt, an organic solvent, and an additive, wherein the additive comprises a compound represented by the following chemical formula 1. <Chemical formula 1> In chemical formula 1, R1 to R5 and L are as the same as those defined in the detailed description. L'invention concerne un électrolyte pour une batterie secondaire au lithium et une batterie secondaire au lithium le comprenant. L'électrolyte pour une batterie secondaire au lithium comprend un sel de lithium, un solvant organique et un additif, l'additif comprenant un composé représenté par la formule chimique 1 suivante. < Formule chimique 1> Dans la formule chimique 1, R1 à R5 et L sont tels que définis dans la description détaillée. 리튬 이차전지용 전해질 및 리튬 이차전지가 개시된다. 상기 리튬 이차전지용 전해질은 리튬염; 유기 용매; 및 첨가제를 포함하고, 상기 첨가제는 하기 화학식 1로 표시되는 화합물을 포함한다. <화학식 1> 상기 화학식 1에서, R1 내지 R5 및 L은 상세한 설명 중에 정의된 바와 같다.