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:
Apr. 13, 2021

Filed:

Nov. 21, 2017
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Masakazu Kinoshita, Osaka, JP;

Kenzou Takahashi, Osaka, JP;

Hideo Sakata, Osaka, JP;

Shigeaki Yamazaki, Osaka, JP;

Hiroyuki Arima, Osaka, JP;

Shinichi Kinoshita, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0569 (2010.01); C01B 32/20 (2017.01); C01G 53/00 (2006.01); H01G 11/60 (2013.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01G 11/64 (2013.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); C01B 32/20 (2017.08); C01G 53/52 (2013.01); H01G 11/60 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); C01P 2006/40 (2013.01); H01G 11/64 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0034 (2013.01); H01M 2300/0037 (2013.01); H01M 2300/0042 (2013.01);
Abstract

An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage. The electrolyte solution contains a fluorinated acyclic carbonate and a metal salt having a specific structure. The fluorinated acyclic carbonate is represented by CF—OCOO—R(wherein Ris a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group) or CFH—OCOO—R(wherein Ris a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group).


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