Patents by Inventor Na-Rae Won

Na-Rae Won 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).

  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8945776
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt, a silylborate-based compound, an anhydride component, and a non-aqueous organic solvent.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tae-Ahn Kim, Mi-Hyeun Oh, Na-Rae Won, Sung-Hoon Kim
  • Negative electrode active material, negative electrode having the same and lithium secondary battery
    Patent number: 8715862
    Abstract: A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator separating the positive electrode from the negative electrode, and an electrolyte. The negative electrode active material includes a graphite core particle, at least one metal particle located on the graphite core particle, and a polymer film coating the graphite core particle and the at least one metal particle. The polymer includes a polyimide- or polyacrylate-based polymer.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: May 6, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Cheol-Hee Hwang, Bong-Chull Kim, Jong-Chan Kim, Se-Ho Park, Na-Rae Won
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Publication number: 20100183926
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt, a silylborate-based compound, an anhydride component, and a non-aqueous organic solvent.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 22, 2010
    Inventors: Tae-Ahn Kim, Mi-Hyeun Oh, Na-Rae Won, Sung-Hoon Kim
  • NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE HAVING THE SAME AND LITHIUM SECONDARY BATTERY
    Publication number: 20090297945
    Abstract: A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator separating the positive electrode from the negative electrode, and an electrolyte. The negative electrode active material includes a graphite core particle, at least one metal particle located on the graphite core particle, and a polymer film coating the graphite core particle and the at least one metal particle. The polymer includes a polyimide- or polyacrylate-based polymer.
    Type: Application
    Filed: May 22, 2009
    Publication date: December 3, 2009
    Inventors: Cheol-Hee Hwang, Bong-Chull Kim, Jong-Chan Kim, Se-Ho Park, Na-Rae Won