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US 11,539,076 B2Granted
Electrolyte and lithium secondary battery comprising same
AssigneeLG Energy Solution, Ltd.
InventorsYeyoung Ha, Kihyun Kim, Doo Kyung Yang
Life of this patent
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Abstract
An electrolyte for a lithium secondary battery and a lithium secondary battery including the same, and more specifically, an electrolyte for a lithium secondary battery that can uniformly maintain a lithium ion concentration on the surface of a lithium metal negative electrode to inhibit the growth of lithium dendrites, even if a small amount of an additive comprising a functional group forming a bond with lithium metal and a polyethylene oxide chain interacting with lithium ion is contained.
Claims8
An electrolyte for a lithium secondary battery, wherein the electrolyte comprises:
- an additive represented by following Chemical Formula 1:
- SH—(CH2—CH2—O)n—X, [Chemical Formula 1]
- wherein X represents methyl or thiol, and n is an integer of 5 to 45, and
- wherein a content of the additive represented by Chemical Formula 1 is more than 0% by weight and not more than 1.0% by weight, based on a total weight of the electrolyte.
1 more element
Dependencies are inferred from the claim text.