US 11,908,999 B2 · Electrolyte for rechargeable lithium battery and rechargeable lithium battery

Electrolyte for rechargeable lithium battery and rechargeable lithium battery

AssigneesSamsung SDI Co., Ltd., Postech Academy-Industry Foundation

InventorsMyunghwan Jeong, Younghye Kang, Haneol Kang, Dongyoung Kim, Soojin Kim, Aeran Kim, Hoon Kim, Suyeol Ryu, Moon Jeong Park, Jeongmin Shin, Junyong Lee, Tae Jin Lee, Jin-Hyeok Lim, Wonseok Cho, Hyunbong Choi, Jungmin Han

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Abstract

An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: in Chemical Formula 1, R1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.

Claims14

Dependent claims

An electrolyte for a rechargeable lithium battery, the electrolyte comprising:

a non-aqueous organic solvent;
a lithium salt;
and
an additive,
wherein:
the additive includes a compound represented by Chemical Formula 1:
in Chemical Formula 1, R1 is an unsubstituted C2 to C10 alkenyl group or an unsubstituted C2 to C10 alkynyl group, and
the compound represented by Chemical Formula 1 is included in an amount of about 0.2 wt % to about 1.5 wt %, based on a total weight of the electrolyte.

5 more elements

Dependencies are inferred from the claim text.