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:
Apr. 29, 2025
Filed:
Apr. 19, 2021
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Inventors:
Fumiya Chujo, Kobe, JP;
Tatsuya Kubo, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/34 (2005.12); C08F 20/06 (2005.12); H01M 4/60 (2005.12); H01M 10/0525 (2009.12);
U.S. Cl.
CPC ...
C08F 8/34 (2012.12); C08F 20/06 (2012.12); H01M 4/604 (2012.12); H01M 10/0525 (2012.12);
Abstract
It is an object of the present invention to provide a novel organic sulfur material which is capable of improving a charge/discharge capacity and cycle characteristics, an electrode comprising the organic sulfur material, that is, a positive electrode or a negative electrode, and a lithium-ion secondary battery comprising the electrode. Provided is an organic sulfur material comprising a sulfur-modified acrylic resin, wherein an acrylic resin has peaks around 756 cm, around 1066 cm, around 1150 cm, around 1245 cm, around 1270 cm, around 1453 cm, and around 1732 cmin an FT-IR spectrum.