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US 2026/0312121 A1Published application
Compound for electrolyte, compound for electrolyte additive, electrolyte material, electrolyte additive, electrolyte for secondary battery, and secondary battery
AssigneeSfc Co., Ltd.
InventorsJong Tae JE, Ki Suk KIM
Life of this patent
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Abstract
The present disclosure relates to a compound for an electrolyte solution, a compound for an electrolyte solution additive, an electrolyte solution material, an electrolyte solution additive, an electrolyte solution for a secondary battery, and a secondary battery, and provides an electrolyte solution for a secondary battery, including a novel compound, or an isomer thereof.
Claims10
An electrolyte solution for a secondary battery, comprising:
- (A) a first additive represented by Formula 1;
- and
- (B) one or more second additives selected from the group consisting of lithium difluorophosphate (LiPO2F2), lithium difluoro(oxalato)borate (LiFOB), lithium bis(oxalato)borate (LiB(C2O4)2, LiBOB), vinylene carbonate (VC), and vinyl ethylene carbonate (VEC):
- wherein, in Formula 1, carbon in the ring is linked by a single bond or a double bond;
- X is oxygen or sulfur;
- Y is oxygen or sulfur;
- Z1 is each independently selected from the group consisting of hydrogen, substituted or unsubstituted C1-10 alkyl, substituted or unsubstituted C1-10 alkenyl, substituted or unsubstituted C1-10 alkynyl, substituted or unsubstituted C3-10 cycloalkyl, substituted or unsubstituted C1-12 heteroalkyl, substituted or unsubstituted C1-6 heterocycloalkyl, substituted or unsubstituted C1-10 amine, and substituted or unsubstituted C1-10 acyl;
- and
- Z2 and Z3 are each independently selected from the group consisting of hydrogen, substituted or unsubstituted C1-10 alkyl, substituted or unsubstituted C1-10 alkenyl, and substituted or unsubstituted C1-10 alkynyl.
6 more elements
Dependencies are inferred from the claim text.