Electrolyte Composition and Secondary Battery Using the Same
The present invention provides an electrolyte composition comprising a propane sultone compound in which carbon at a specific position is substituted with a specific substituent and a nonaqueous solvent, and a secondary battery comprising the electrolyte composition. The electrolyte composition acco...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | The present invention provides an electrolyte composition comprising a propane sultone compound in which carbon at a specific position is substituted with a specific substituent and a nonaqueous solvent, and a secondary battery comprising the electrolyte composition. The electrolyte composition according to the present invention can significantly increase lifetime characteristics of a secondary battery by forming a stable cathode coating film containing a propane sultone compound in which carbon at a specific position is substituted with a specific substituent group.
본 발명은 특정 위치의 탄소가 특정 치환기로 치환된 프로판 설톤 화합물 및 비수용매를 포함하는 전해액 조성물 및 상기 전해액 조성물을 포함하는 이차전지를 제공한다. 본 발명에 따른 전해액 조성물은 특정 위치의 탄소가 특정 치환기로 치환된 프로판 설톤 화합물을 포함하여 안정한 음극피막을 형성함으로써 이차전지의 수명특성을 현저히 증가시킬 수 있다. |
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