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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.:

US 10381686 B1

PDFFull Text
Date of Patent:
Aug. 13, 2019

Filed:

Jul. 15, 2015

Electrolyte solution and secondary battery using same

Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Yuukou Katou, Tokyo, JP;

Takehiro Noguchi, Tokyo, JP;

Makiko Takahashi, Tokyo, JP;

Hideaki Sasaki, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:

Wilmer Cutler Pickering Hale and Dorr LLP

Primary Examiner:

Anca Eoff

Int. Cl.
CPC ...
H01M 10/0569 (2010.01); H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/052 (2010.01); H01M 4/131 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 4/131 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/58 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0034 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11); Y02T 10/7011 (2013.01);
Abstract

The present invention relates to a nonaqueous electrolyte solution comprising a nonaqueous electrolyte solvent which comprises a fluorine-containing phosphate ester represented by a specific formula, a fluorine-containing ether represented by a specific formula, and an open-chain or cyclic acid anhydride. According to the present invention, there is provided an electrolyte solution capable of realizing a lithium secondary battery having an excellent cycle characteristics with little gas generation after charge-discharge cycles.

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Katou, Yuukou. (2019). Electrolyte solution and secondary battery using same (U.S. Patent No. 10381686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10381686

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