Patents Assigned to POSCO ES MATERIALS CO., LTD.
  • Lithium manganese composite oxide and method for preparing same
    Patent number: 9171653
    Abstract: The present invention relates to a lithium manganese composite oxide and a method for preparing the same, and more particularly, to a lithium manganese composite oxide and a method for preparing same, in which a wet-milling process and a spray-drying process are applied, and the abundance ratio of Mn3+ ions to Mn4+ ions at the surface of the composite oxide is adjusted by controlling an oxidizing atmosphere during heat treatment.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: October 27, 2015
    Assignee: POSCO ES MATERIALS CO., LTD.
    Inventors: Hyoung-Shin Ko, Tae-Won Kim
  • LITHIUM MANGANESE COMPOSITE OXIDE AND METHOD FOR PREPARING SAME
    Publication number: 20130327978
    Abstract: The present invention relates to a lithium manganese composite oxide and a method for preparing the same, and more particularly, to a lithium manganese composite oxide and a method for preparing same, in which a wet-milling process and a spray-drying process are applied, and the abundance ratio of Mn3+ ions to Mn4+ ions at the surface of the composite oxide is adjusted by controlling an oxidizing atmosphere during heat treatment.
    Type: Application
    Filed: November 7, 2011
    Publication date: December 12, 2013
    Applicant: POSCO ES MATERIALS CO., LTD.
    Inventors: Hyoung-Shin Ko, Tae-Won Kim