US 2020/0052334 A1 · ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING ELECTROLYTE

Abstract

The present invention relates to an electrolyte for a lithium secondary battery, and a lithium secondary battery including the electrolyte. The electrolyte includes a non-aqueous organic solvent; a lithium salt; a first additive including a compound represented by Chemical Formula 1; and a second additive including LiN(CxF2x+1SO2)(CyF2y+1SO2), wherein 0≤x≤20 and 0≤y≤20: wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.

Claims15

Dependent claims

An electrolyte for a lithium secondary battery, comprising:

a non-aqueous organic solvent;
a lithium salt;
a first additive comprising a compound represented by Chemical Formula 1;
and
a second additive comprising LiN(CxF2x+1SO2)(CyF2y+1SO2), wherein 0≤x≤20 and 0≤y≤20:
and
wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/655,123Filed 16 Oct 2019

Priority

KR 10-2016-012680630 Sep 2016

Published

13 Feb 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H01M 10/0567
Liquid materials: characterised by the additives
H01M 10/0525
Li-accumulators: rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/0568
Liquid materials: characterised by the solutes
H01M 10/0569
Liquid materials: characterised by the solvents

Electrolyte for lithium secondary battery, and lithium secondary battery comprising electrolyte

Life of this patent

Electrolyte for lithium secondary battery, and lithium secondary battery comprising electrolyte

Life of this patent

Abstract

Claims15