Lithium ion battery non-aqueous electrolyte, lithium ion battery and manufacturing method
A lithium-ion battery, non-aqueous electrolyte technology, applied in the field of lithium-ion battery non-aqueous electrolyte, can solve the problems of increasing battery impedance, aggravating battery expansion, safety risks, etc., to improve morphology, reduce impedance, and enhance cycle performance Effect
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[0048] The invention provides a non-aqueous electrolytic solution for a lithium ion battery, comprising an electrolyte lithium salt, a non-aqueous organic solvent and an additive. According to the mass percentage in the non-aqueous electrolytic solution of a lithium ion battery, the additive includes component A, Component B and component C, the component A is 0.1%-3%; the component B is 10%-80%; the component C is 0.1%-3%;
[0049] The component A is a substance represented by the following structural formula (1),
[0050]
[0051] The component B is one or a combination of substances represented by the following structural formula (2), structural formula (3), structural formula (4) and structural formula (5),
[0052] The structural formula (2) is R4-COO-R5; the structural formula (3) is R6-OCOO-R7;
[0053] The structural formula (4) is R8-O-R9;
[0054] Described structural formula (5) is
[0055]
[0056] The component C is a substance represented by the followin...
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