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US 11,817,557 B2Granted
Electrolyte for lithium secondary battery
AssigneeLG Energy Solution, Ltd.
InventorsWon Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee, Min Jung Kim, Jae Won Lee
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Abstract
An electrolyte for a lithium secondary battery is disclosed herein. In some embodiments, an electrolyte includes a lithium salt having a concentration of 1.6 M to 5 M, an oligomer mixture which includes a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2, and an organic solvent.
Claims15
An electrolyte for a lithium secondary battery, comprising:
- a lithium salt having a concentration of 1.6 M to 5 M;
- an oligomer mixture which includes a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2;
- and
- an organic solvent:
- wherein, in Formula 1,
- Ra, Rb, Rc, and Rd are each independently fluorine or an alkyl group having 1 to 3 carbon atoms which is unsubstituted or substituted with fluorine, and
- p is an integer of 1 to 50,
- wherein, in Formula 2, Rg, Rh, Ri, and Rj are each independently hydrogen, or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, and
- s is an integer of 1 to 50.
6 more elements
Dependencies are inferred from the claim text.