The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2021
Filed:
Dec. 23, 2020
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Chengdu Liang, Ningde, CN;
Cuiping Zhang, Ningde, CN;
Ming Zhang, Ningde, CN;
Peipei Chen, Ningde, CN;
Hailin Zou, Ningde, CN;
Liye Li, Ningde, CN;
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Abstract
The present application relates to a lithium ion battery, comprising: a positive electrode plate, a negative electrode plate, a separator disposed between the positive electrode plate and the negative electrode plate, and an electrolytic solution, the positive electrode plate including a positive electrode current collector and a positive electrode active material layer provided on at least one side of the positive electrode current collector, and the electrolytic solution including an organic solvent, a lithium salt and an additive, wherein the lithium salt comprises a primary lithium salt, the primary lithium salt is a first compound in an amount of 30% or more relative to the total molar amount of the lithium salt, and the first compound has a structure represented by the following formula I, and wherein the additive comprises a second compound represented by the following formula II.