Patents by Inventor Jun-Won Shu

Jun-Won Shu 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).

  • Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery comprising the same
    Publication number: 20050175897
    Abstract: The present invention relates to a positive active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same. The positive active material includes a lithium/nickel-based compound wherein primary particles having an average particle diameter ranging from 1 ?m to 4 ?m are agglomerated to form secondary particles. The positive active material of the present invention has excellent electrochemical performance and outstanding inhibition to swelling at high temperatures.
    Type: Application
    Filed: February 4, 2005
    Publication date: August 11, 2005
    Inventors: Won-Il Jung, Jun-Won Shu, Yong-Chul Park, Geun-Bae Kim