The invention discloses an electrolyte solution for a lithium secondary battery and a lithium secondary battery comprising the same, and particularly relates to an additive for an electrolyte solution to improve electrochemical characteristics of a lithium secondary battery. Particularly an electrolyte for a lithium secondary battery comprising an electrolyte salt, an organic solvent, and one or more additives including a vinylene carbonate (VC) compound having a structure of Formula 1 and a 4-allyl-2-methoxyphenylfluorosulfate having a structure of Formula 2: [Formula 1] [Formula 2]

    本发明公开了一种用于锂二次电池的电解质溶液和包含其的锂二次电池,特别是一种用于电解质溶液的添加剂以改进锂二次电池的电化学特性。尤其是一种用于锂二次电池的电解质,其包含:电解质盐、有机溶剂和一种或多种添加剂,所述添加剂包括具有式1结构的碳酸亚乙烯酯(VC)化合物和具有式2结构的4‑烯丙基‑2‑甲氧基苯基氟硫酸酯:[式1][式2]


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    Title :

    Electrolyte solution for lithium secondary battery and lithium secondary battery comprising same


    Additional title:

    用于锂二次电池的电解质溶液和包含其的锂二次电池


    Contributors:
    LEE YOON SUNG (author) / RHEE JUN KI (author) / KIM KOEUN (author) / BAN SUNG-HO (author) / OH SEUNG-MIN (author) / KWAK SANG KYU (author) / HONG SUNG YOU (author) / CHOI NAM-SOON (author) / JEON MIN-HO (author) / KIM HYUNG-JOON (author)

    Publication date :

    2023-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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