Patent ID: 11901511
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 1:
2. The lithium-ion battery according to claim 1, wherein
in formula I, R1 and R2 are independently selected from unsubstituted, partially fluorinated, or fully fluorinated alkyl groups having 1 to 5 carbon atoms, and at least one of R1 and R2 is a partially fluorinated or fully fluorinated alkyl group having 1 to 5 carbon atoms; and R1 and R2 are independently selected from —CH3, —CF3, —CH2CH3, —CF2CH3, —CH2CF3, —CF2CF3, —CH2CH2CH3, —CF2CH2CH3, —CH2CH2CF3, —CH2CF2CF3, —CF2CH2CF3, —CF2CF2CH3, and —CF2CF2CF3, and at least one of R1 and R2 is —CF3, —CF2CH3, —CH2CF3, —CF2CF3, —CF2CH2CH3, —CH2CH2CF3, —CH2CF2CF3, —CF2CH2CF3, —CF2CF2CH3, or —CF2CF2CF3; and
in formula II, R3 is selected from partially fluorinated or fully fluorinated alkylidene groups having 1 to 6 carbon atoms; R3 is selected from —CHFCH2CH2CH2—, —CF2CH2CH2CH2—, —CF2CH2CH2CHF—, —CF2CH2CH2CF2—, —CH2CH2CHFCH2—, —CH2CHFCHFCH2—, —CH2CH2CH(CF3)CH2—, —CF2CH2CH2CH2CH2—, —CF2CH2CH2CH2CF2—, —CH2CH2CH2CHFCH2—, —CH2CHFCH2CHFCH2—, —CH2CHFCH2CHFCHF—, —CH2CH2CH2CH2CHF—, —CH2CH2CH2CH(CF3)CH2—, —CF2CH2CH2CH2CH2CH2—, —CH2CH2CH2CH2CHFCH2—, —CH2CHFCH2CH2CHFCH2—, —CF2CH2CH2CH2CH2CF2—, —CH2CH2CH(CH3)CH2CHFCH2—, and —CH2CH2CH(CF3)CH2CHFCH2.