ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

• Main Authors: RA, Ha Na, KOH, Su Jeong, LIM, Jin Hyeok, GOH, Ae Hui, BAE, Tae Hyon, SON, Seung Hyeon
• Format: Patent
• Language: English; French; Korean
• Published: 22.12.2022
• 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 may include: a lithium salt; a non-aqueous organic solvent; and a sulfone-based compound additive comprising one or more phenyl groups and a silane-based compound additive comprising one or more phenyl groups. 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 peut comprendre : un sel de lithium; un solvant organique non aqueux ; un additif composé à base de sulfone comprenant un ou plusieurs groupes phényle et un additif composé à base de silane comprenant un ou plusieurs groupes phényle. 리튬이차전지용 전해질 및 이를 포함하는 리튬이차전지가 개시된다. 상기 리튬이차전지용 전해질은 리튬염; 비수계 유기용매; 및 하나 이상의 페닐기를 갖는 설폰계 화합물 첨가제 및 하나 이상의 페닐기를 갖는 실란계 화합물 첨가제;를 포함할 수 있다.