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:
Jun. 22, 2021

Filed:

Nov. 01, 2017
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Shigeaki Yamazaki, Osaka, JP;

Kenzou Takahashi, Osaka, JP;

Hiroyuki Arima, Osaka, JP;

Hideo Sakata, Osaka, JP;

Masakazu Kinoshita, Osaka, JP;

Shinichi Kinoshita, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); C07F 9/28 (2006.01); C07D 317/38 (2006.01); C07C 317/04 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); C07C 317/04 (2013.01); C07D 317/38 (2013.01); C07F 9/28 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0034 (2013.01);
Abstract

An electrolyte solution whose residual capacity is less likely to decrease and whose percentage increase in resistance is less likely to change even after stored at high temperature. The electrolyte solution contains a compound (1) represented by the following formula (1):RCFX(CH)COORwherein Ris H, F, a C1-C3 non-fluorinated alkyl group, or a C1-C3 fluorinated alkyl group; Xis H or F; Ris a C1-C3 non-fluorinated alkyl group or a C1-C3 fluorinated alkyl group; and n11 is an integer of 0 to 3; a fluorinated carbonate; and a specific additive.


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