Patents by Inventor Young Joo CHAE

Young Joo CHAE 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).

  • Cathode active material for lithium-ion secondary batteries, method for producing same, and lithium-ion secondary battery comprising same
    Patent number: 10468673
    Abstract: Provided are a positive active material for a lithium secondary battery, a method of preparing the positive active material, and a lithium ion secondary battery including the positive active material, the positive active material including a lithium-containing compound represented by the formula of Li2?xM?O3?y (wherein M? is at least one element selected from Mg, Al, Ca, Ti, V, Cr, Fe, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Ru, and F; 0?x?1; and 0?y?3) on a surface or inside of a lithium metal oxide represented by the formula of Li1?xNiyM1?yO2?z (wherein M is at least one element selected from Co and Mn; 0?x?0.05; 0.6?y?1; and 0?z?0.05).
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yoon Kim, Dong Gyu Chang, Jong Min Kim, Mi Sun Lee, Young Joo Chae
  • CATHODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, AND LITHIUM-ION SECONDARY BATTERY COMPRISING SAME
    Publication number: 20170358796
    Abstract: Provided are a positive active material for a lithium secondary battery, a method of preparing the positive active material, and a lithium ion secondary battery including the positive active material, the positive active material including a lithium-containing compound represented by the formula of Li2-xM?O3-y (wherein M? is at least one element selected from Mg, Al, Ca, Ti, V, Cr, Fe, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Ru, and F; 0?x?1; and 0?y?3) on a surface or inside of a lithium metal oxide represented by the formula of Li1-xNiyM1-yO2-z (wherein M is at least one element selected from Co and Mn; 0?x?0.05; 0.6?y?1; and 0?z?0.05).
    Type: Application
    Filed: August 21, 2015
    Publication date: December 14, 2017
    Inventors: Ji Yoon KIM, Dong Gyu CHANG, Jong Min KIM, Mi Sun LEE, Young Joo CHAE