公开(公告)号：US09991513B2

公开(公告)日：2018-06-05

申请号：US15002057

申请日：2016-01-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jeonjin Choi ,  Minhan Kim ,  Joong-Ho Moon ,  Haneol Park ,  Kyounghyun Kim ,  Dohyung Park ,  Dongjin Kim ,  Gyuran Jeon ,  Sun-Ho Kang

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/36 ,  C01G53/00 ,  H01M10/052 ,  H01M4/04

CPC classification number: H01M4/505 ,  C01G53/50 ,  C01P2002/72 ,  C01P2004/54 ,  C01P2006/40 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/366 ,  H01M4/525 ,  H01M10/052

Abstract: A positive active material represented by Formula 1 and a lithium secondary battery having a positive electrode that includes the positive active material are provided: Li1-aAaNixCoyMn1-x-yO2  Formula 1 wherein, in Formula 1, A is an alkali metal; 0.0025≤a≤0.02; 0.0

公开(公告)号：US20150380736A1

公开(公告)日：2015-12-31

申请号：US14703777

申请日：2015-05-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Youngjin Park ,  Dohyung Park ,  Kwanghwan Cho ,  Kihyun Kim ,  Minhan Kim ,  Sun-Ho Kang

IPC: H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/48 ,  H01M10/052

CPC classification number: H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A composite cathode active material including a lithium transition metal oxide, wherein the lithium transition metal oxide includes a layered structural phase and a spinel structural phase, and an amount of residual lithium is about 0.30 wt % or less; a cathode and a lithium battery including the composite cathode active material; and a method of preparing the composite cathode active material.

Abstract translation: 包括锂过渡金属氧化物的复合正极活性材料，其中所述锂过渡金属氧化物包括层状结构相和尖晶石结构相，并且所述残留锂的量为约0.30重量％以下; 包括所述复合阴极活性材料的阴极和锂电池; 以及制备复合阴极活性材料的方法。