Electrolyte and lithium-ion battery
An electrolyte and lithium salt technology, which is applied in the field of electrolyte and lithium-ion batteries, can solve problems such as safety hazards, thermal runaway, fire or explosion of new energy vehicles, and achieve excellent electrochemical performance, high safety, and reduce DC discharge The effect of resistance
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[0012] The electrolyte solution and the lithium ion battery according to the present invention will be described in detail below.
[0013] First, the electrolytic solution according to the first aspect of the present invention will be described.
[0014] The electrolytic solution according to the first aspect of the present invention includes a lithium salt, an organic solvent and additives, and the additives include a first additive and a second additive with an oxidation potential of 4.5V-5.0V.
[0015] In the electrolyte solution of the first aspect of the present invention, the first additive is selected from one or more of the compounds shown in Formula 1. In Formula 1, the substituent R 1 , R 2 Each independently selected from C1-C10 alkyl, C1-C10 alkoxy, C2-C5 alkenyl, C2-C5 alkenyloxy, C2-C5 alkynyl, C2-C5 alkynyloxy, One of C6-C10 aryl and C6-C10 aryloxy, substituent R 3 One selected from C1-C10 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C6-C10 aryl, wherein the substitu...
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