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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 9837666 B1

PDFFull Text
Date of Patent:
Dec. 05, 2017

Filed:

Nov. 05, 2015

Cathode current collector for electrical energy storage device and method for manufacturing the same

Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Sam Ick Son, Gyeonggi-do, KR;

Hee Yeon Ryu, Gyeonggi-Do, KR;

Dae Gun Jin, Gyeonggi-Do, KR;

Assignee:

Hyundai Motor Company, Seoul, KR;

Attorneys:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Peter F. Corless

Primary Examiner:

Carlos Barcena

Int. Cl.
CPC ...
H01M 4/70 (2006.01); H01M 4/66 (2006.01); H01M 4/04 (2006.01); H01M 4/13 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/70 (2013.01); H01M 4/0442 (2013.01); H01M 4/13 (2013.01); H01M 4/661 (2013.01); H01M 4/663 (2013.01); H01M 4/667 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11);
Abstract

Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed.

Find Patent Forward Citations

Son, Sam. (2017). Cathode current collector for electrical energy storage device and method for manufacturing the same (U.S. Patent No. 9837666). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9837666

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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