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.

Date of Patent:
Sep. 13, 2022

Filed:

Mar. 30, 2020
Applicant:

Ningde Amperex Technology Limited, Ningde, CN;

Inventors:

Qian Wen, Ningde, CN;

Bin Wang, Ningde, CN;

Xiexue Peng, Ningde, CN;

Jianming Zheng, Ningde, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0569 (2010.01); H01M 10/0567 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0034 (2013.01);
Abstract

The present application relates to an electrolytic solution and an electrochemical device using the same. The electrolytic solution comprises a cyclic fluorocarbonate, a chain fluorocarbonate and a fluoroether compound, wherein based on the weight of the electrolytic solution, the weight percentage of the cyclic fluorocarbonate is 15 wt % to 80 wt %. The electrolytic solution provided by the present application has high electric conductivity and good electrochemical stability and safety performance, can significantly improve the cycle performance of the battery, and especially meet the demand for long cycle life of a lithium metal battery, and has a very large application value in the lithium metal battery.


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