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:
Jul. 14, 2026
Filed:
Jan. 17, 2022
Mitsui Chemicals, Inc., Tokyo, JP;
Daikin Industries, Ltd., Osaka, JP;
Yusuke Shimizu, Ichihara, JP;
Hidenobu Nogi, Chiba, JP;
Masahiro Suguro, Tokyo, JP;
Yoshiko Kuwajima, Osaka, JP;
Tomoya Hidaka, Osaka, JP;
Kae Fujiwara, Osaka, JP;
Shigeaki Yamazaki, Osaka, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
Provided is a nonaqueous electrolyte solution for a lithium secondary battery, the nonaqueous electrolyte solution containing a compound (I) represented by Formula (I) and a compound (II) represented by Formula (II). In Formula (I), each of Rand Rindependently represents a substituent such as an alkyl group having from 1 to 7 carbon atoms. In Formula (II), Rrepresents an oxygen atom or the like; Rrepresents a group represented by Formula (ii-1), a group represented by Formula (ii-2), or the like; and * represents a binding position. In Formula (ii-1), Rrepresents an oxymethylene group or the like and, in Formula (ii-2), Rrepresents an alkyl group having from 1 to 6 carbon atoms, or the like.