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US 12,609,354 B2Granted
Non-aqueous electrolyte solution comprising a dialkylenenitrile-containing pyridine additive for lithium secondary battery and lithium secondary battery comprising same
AssigneeLG Energy Solution, Ltd.
InventorsJungmin Lee, Chuleun Yeom, Chul Haeng Lee
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Abstract
Provided are a non-aqueous electrolyte solution for a lithium secondary battery comprising a lithium salt, an organic solvent, and a dialkylenenitrile-containing pyridine additive, and a lithium secondary battery comprising the same, where such non-aqueous electrolyte solution reduces the resistance and swelling phenomenon of the lithium secondary battery under high voltage.
Claims10
A non-aqueous electrolyte solution for a lithium secondary battery, comprising a lithium salt, an organic solvent, and a pyridine-based additive represented by Chemical Formula 1:
- wherein R is-L-CN, and L is an alkylene group.
Dependencies are inferred from the claim text.