Patents by Inventor Jin Yeon

Jin Yeon 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).

  • Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery
    Publication number: 20050118496
    Abstract: Disclosed is a method for regulating terminal voltage of a cathode during overdischarge. Also disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Application
    Filed: September 24, 2004
    Publication date: June 2, 2005
    Inventors: Sung Chang, Seung Hong, Hyeong Kim, Duk Ryu, Eun Goh, Ho Lee, Jun Jeong, Jin Yeon, Hyung Lee
  • Nonaqueous lithium secondary battery with cyclability and/or high temperature safety improved
    Publication number: 20050100786
    Abstract: The present invention provides: (i) a nonaqueous electrolyte for batteries, which is characterized by containing halogen; (ii) a nonaqueous electrolyte for batteries, which is characterized by containing pyrrol or its derivative and halogen; and (iii) a lithium secondary battery which is characterized by including the nonaqueous electrolyte (i) or (ii). The inventive lithium secondary battery has improvements in charge/discharge and cycle life characteristics at ambient and high temperatures, and/or storage characteristics and safety at high temperature.
    Type: Application
    Filed: September 17, 2004
    Publication date: May 12, 2005
    Inventors: Duk Ryu, Jae Lee, Jun Jeong, Jin Yeon, Min Chul Jang, Chang Koo, Sun Shin, Cha Ku, Han Lee