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公开(公告)号：KR20200130083A
公开(公告)日：2020-11-18
申请号：KR20200022576
申请日：2020-02-24
Applicant: LG ELECTRONICS INC
Inventor： SEOJIN LEE , KWON YOOSEOK , HONG SANGHYUN
Abstract: 본발명은, 강염기수용액을교반하면서가열하는단계; 전이금속산화물을가열된상기강염기수용액에첨가하여상기전이금속산화물을상기강염기수용액에용해시키는단계; 상기전이금속산화물이용해된강염기수용액에강산수용액을첨가하면서교반하여상기강염기수용액과상기강산수용액의계면에서생성되는고형물을다시용해시키는단계; 상기강염기수용액과상기강산수용액의혼합에의해형성되는혼합수용액의 pH를상기강산수용액의첨가속도와첨가량조절을통해조절하여전이금속산화물미세입자를석출하는단계; 및상기혼합수용액에서상기전이금속산화물미세입자를분리하고, 분리된상기전이금속산화물미세입자를순차적으로세척, 건조, 열처리하는단계를포함하는전이금속산화물미세입자의제조방법을제공한다.
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