Electrolyte for lithium secondary battery, and lithium secondary battery including same
AssigneeDongwoo Fine-Chem Co., Ltd.
InventorsKwan-Wook SONG, Kyoung-Moon JUNG, Sang-Jin LEE
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Abstract
The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery and the lithium secondary battery including the same according to the present invention exhibit flame retardancy, and thus have the advantage of being able to provide excellent reliability. The lithium secondary battery exhibits high output performance and has excellent cycle life characteristics, high-temperature stability, and high-temperature voltage preservation stability, and thus has the advantage of high battery reliability.
Claims8
An electrolyte for a lithium secondary battery containing a phosphate-based compound represented by the following Formula 1:
- wherein
- X is a halogen or —OM,
- Ys are each independently a halogen, —OM or —OPOZ2,
- Zs are each independently a halogen, —OSiR3 or —OM,
- Rs are each independently a C1 to C6 alkyl group or allyl group,
- Ms are each independently lithium, sodium or potassium,
- a is 0 or 1, and
- n is an integer ranging from 0 to 6.
Dependencies are inferred from the claim text.