Patents by Inventor Evgeniya Matulevich

Evgeniya Matulevich 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).

  • Composite positive active material, method of preparing the same, and positive electrode and lithium battery containing the material
    Patent number: 9570739
    Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: February 14, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Jun-Seok Park, Evgeniya Matulevich, Chang-Wook Kim, Yong-Chan You, Sun-Ho Kang
  • Active material for a lithium secondary battery, method of manufacturing the same, electrode including the active material, and lithium secondary battery including the electrode
    Patent number: 9437874
    Abstract: An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1: Li[LixNiaCobMnc]O2-yFy.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Andrei Kapylou, Jay-Hyok Song, Evgeniya Matulevich, Chang-Wook Kim, Yong-Chan You, Sun-Ho Kang
  • ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, ELECTRODE INCLUDING THE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE
    Publication number: 20140367609
    Abstract: An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1: Li[LixNiaCobMnc]O2-yFy.
    Type: Application
    Filed: September 26, 2013
    Publication date: December 18, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Andrei KAPYLOU, Jay-Hyok SONG, Evgeniya MATULEVICH, Chang-Wook KIM, Yong-Chan YOU, Sun-Ho KANG
  • COMPOSITE POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND POSITIVE ELECTRODE AND LITHIUM BATTERY CONTAINING THE MATERIAL
    Publication number: 20140242468
    Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.
    Type: Application
    Filed: August 1, 2013
    Publication date: August 28, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Jun-Seok Park, Evgeniya Matulevich, Chang-Wook Kim, Yong-Chan You, Sun-Ho Kang