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:
Aug. 12, 2014
Filed:
Apr. 12, 2012
Applicants:
Ranjith Divigalpitiya, London, CA;
Mary I. Buckett, Woodbury, MN (US);
Inventors:
Ranjith Divigalpitiya, London, CA;
Mary I. Buckett, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/66 (2006.01); H01M 10/0565 (2010.01); H01M 10/0525 (2010.01); H01M 4/485 (2010.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); H01M 4/663 (2013.01); H01M 4/667 (2013.01); H01M 10/0565 (2013.01); H01M 10/0525 (2013.01); H01M 4/485 (2013.01); H01M 4/5825 (2013.01); H01M 4/623 (2013.01); Y02E 60/12 (2013.01); Y10S 977/755 (2013.01);
Abstract
Current collectors and methods are provided that relate to electrodes that are useful in lithium polymer electrochemical cells. The provided current collectors include a metallic substrate, a substantially uniform nano-scale carbon coating, and an active electrode material. The coating has a maximum thickness of less than about 200 nanometers.