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:
Oct. 01, 2019

Filed:

Aug. 04, 2014
Applicant:

Nec Corporation, Minato-ku, Tokyo, JP;

Inventors:

Midori Shimura, Tokyo, JP;

Noriyuki Tamura, Tokyo, JP;

Kentaro Nakahara, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); C07D 305/06 (2006.01); H01M 4/13 (2010.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 4/139 (2010.01); H01M 4/02 (2006.01); C07D 305/00 (2006.01); H01M 4/1393 (2010.01);
U.S. Cl.
CPC ...
H01M 4/62 (2013.01); C07D 305/00 (2013.01); C07D 305/06 (2013.01); H01M 4/0404 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 10/0525 (2013.01); H01M 4/1393 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11); Y02T 10/7011 (2013.01);
Abstract

The present invention relates to a negative electrode for a lithium ion secondary battery comprising an oxetane compound represented by a predetermined formula in an amount within a range of 0.001% by mass or more and 5.0% by mass or less based on the amount of a negative electrode active material, and a lithium ion secondary battery using the same.


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