Patents by Inventor Dongsheng Geng

Dongsheng Geng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Secondary lithium batteries having novel anodes
    Patent number: 8828608
    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
  • Secondary Lithium Batteries Having Novel Anodes
    Publication number: 20120177995
    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