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US 2024/0405276 A1Published application
Rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorsAeran KIM, Myunghoon KIM, Injun PARK, Seungryong OH, Jeongmin SHIN, Yunhee KIM
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Abstract
Some example embodiments of the present disclosure provide a rechargeable lithium battery including a cylindrical can; an electrode assembly accommodated in the cylindrical can; and an electrolyte impregnated in the electrode assembly, wherein a volume of the cylindrical can is controlled and a type (or kind) and a content of the electrolyte additive are limited. The volume of the cylindrical can and the type (or kind) and content of the electrolyte additive are described in detail in this specification.
Claims20
A rechargeable lithium battery, comprising:
- a cylindrical can having a volume of greater than or equal to about 15 cm3,
- an electrode assembly accommodated in the cylindrical can, and
- an electrolyte impregnated in the electrode assembly,
- wherein the electrolyte comprises:
- a non-aqueous organic solvent;
- a lithium salt;
- a first additive comprising a compound represented by Chemical Formula 1;
- and
- a second additive comprising a compound represented by Chemical Formula 2, a derivative thereof, and/or an adduct thereof,
- a content of the second additive is less than about 5 wt % based on 100 wt % of the electrolyte:
- wherein, in Chemical Formula 1,
- X1 is a halogen atom;
- Y1 and Y2 are each independently O or S;
- R1 and R2 are each independently H, a halogen atom, a substituted or unsubstituted C1 to C10 alkyl group, a vinyl group, a substituted or unsubstituted C6 to C10 aryl group, or a substituted or unsubstituted C2 to C10 heteroaryl group comprising a hetero atom of N, O, or P;
- wherein, in Chemical Formula 2,
- Z is N or CH.
13 more elements
Dependencies are inferred from the claim text.