Electrolyte Composition and Secondary Battery Using the Same
The present invention provides an electrolyte composition comprising an oxazolidone compound substituted with a trialkylsilyl group and a non-aqueous solvent, and a secondary battery comprising the electrolyte composition. The electrolyte composition according to the present invention has excellent...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | The present invention provides an electrolyte composition comprising an oxazolidone compound substituted with a trialkylsilyl group and a non-aqueous solvent, and a secondary battery comprising the electrolyte composition. The electrolyte composition according to the present invention has excellent HF removal abilities by containing the oxazolidone compound substituted with the trialkylsilyl group, sufficiently secures battery lifespan since by-products are not generated after HF removal, and can be applied to high voltage batteries owing to excellent oxidation stability.
본 발명은 트리알킬실릴기로 치환된 옥사졸리돈 화합물 및 비수용매를 포함하는 전해액 조성물 및 상기 전해액 조성물을 포함하는 이차전지를 제공한다. 본 발명에 따른 전해액 조성물은 트리알킬실릴기로 치환된 옥사졸리돈 화합물을 포함함으로써 HF 제거능이 뛰어나면서도 HF 제거 후 부산물을 발생시키지 않아 전지수명을 충분히 확보할 수 있고 산화안정성이 우수하여 고전압 전지에도 적용이 가능하다. |
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