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:
Mar. 31, 2020
Filed:
Oct. 25, 2017
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventors:
Noriyuki Ito, Tokyo, JP;
Hitoshi Kurihara, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/60 (2006.01); H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/48 (2010.01); H01M 10/0525 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/64 (2013.01); H01M 4/0404 (2013.01); H01M 4/13 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/48 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 4/60 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01);
Abstract
An electrode for a nonaqueous electrolyte secondary cell capable of improving the cycle characteristics. The electrode includes a collector and an active material layer formed on a surface of the collector and containing an active material, a binder, and a graphite material. The active material comprises SiOparticles whose surfaces are bonded with an organic material having one or more functional groups selected from the group consisting of a phenylamino group, an imidazole group and an amino group. The binder is composed of a water-soluble polymer made of acrylic acid or a salt thereof.