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:
Sep. 09, 2014
Filed:
Dec. 26, 2011
Applicants:
Xueliang Sun, London, CA;
Xifei LI, London, CA;
Dongsheng Geng, London, CA;
Quanmin Yang, Mississauga, CA;
Inventors:
Xueliang Sun, London, CA;
Xifei Li, London, CA;
Dongsheng Geng, London, CA;
Quanmin Yang, Mississauga, CA;
Assignee:
Springpower International Inc., Mississauga, ON, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); B82Y 30/00 (2011.01); H01M 4/583 (2010.01); H01M 4/36 (2006.01); H01M 4/587 (2010.01); H01B 1/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01M 4/62 (2006.01); H01M 10/0565 (2010.01);
U.S. Cl.
CPC ...
H01B 1/04 (2013.01); H01M 2004/027 (2013.01); H01M 4/623 (2013.01); H01M 10/0565 (2013.01); B82Y 30/00 (2013.01); H01M 4/583 (2013.01); Y02T 10/7011 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/587 (2013.01); Y02E 60/122 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract
A secondary lithium battery having an anode comprising graphene nanosheets doped with a doping element selected from the group consisting of nitrogen, boron, sulfur, phosphorous and combinations thereof. The secondary lithium battery and the anode provide capacity and other performance without degradation during long term charge and discharge cycling.