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.
Type:
Grant
Filed:
December 26, 2011
Date of Patent:
September 9, 2014
Assignee:
Springpower International Inc.
Inventors:
Xueliang Sun, Xifei Li, Dongsheng Geng, Quanmin Yang
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.
Type:
Application
Filed:
December 26, 2011
Publication date:
July 12, 2012
Applicant:
SPRINGPOWER INTERNATIONAL, INC.
Inventors:
Xueliang Sun, Xifei Li, Dongsheng Geng, Quanmin Yang