-
公开(公告)号：US20180062172A1
公开(公告)日：2018-03-01
申请号：US15685334
申请日：2017-08-24
发明人： Sooyoun PARK , Changwook KIM , Yongchan YOU , Daehoe LEE , Sangwoo CHO
IPC分类号： H01M4/525 , C01G51/00 , H01M10/0525 , H01M4/131 , H01M4/1391
CPC分类号： H01M4/525 , C01G51/42 , C01G51/66 , C01P2002/72 , C01P2002/77 , C01P2004/03 , C01P2004/61 , C01P2006/40 , H01M4/0404 , H01M4/131 , H01M4/1391 , H01M4/362 , H01M4/505 , H01M4/5815 , H01M4/5825 , H01M10/0525
摘要： A positive active material, a positive electrode, and a lithium secondary battery, the positive active material including a lithium cobalt oxide compound, wherein the lithium cobalt oxide compound includes magnesium in a range of about 0.1 mol % to about 2 mol %, based on a total number of moles of transition metals in the lithium cobalt oxide compound, and a thickness of a lithium layer in the lithium cobalt oxide compound is in a range of about 2.62 Å to about 2.65 Å.
-
公开(公告)号：US20210135217A1
公开(公告)日：2021-05-06
申请号：US17144381
申请日：2021-01-08
发明人： Junseok PARK , Seonyoung KWON , Jihyun KIM , Jinhwa KIM , Dohyung PARK , Daehoe LEE
IPC分类号： H01M4/525 , H01M10/052 , H01M4/04 , H01M10/0525 , H01M4/52
摘要： A cobalt oxide for a lithium secondary battery, a method of preparing the cobalt oxide; a lithium cobalt oxide for a lithium secondary battery formed from the cobalt oxide; and a lithium secondary battery having a positive electrode including the lithium cobalt oxide, the cobalt oxide having a tap density of about 2.8 g/cc to about 3.0 g/cc, and an intensity ratio of about 0.8 to about 1.2 of a second peak at 2θ of about 31.3±1° to a first peak at 2θ of about 19±1° in X-ray diffraction spectra, as analyzed by X-ray diffraction.
-
公开(公告)号：US20190181445A1
公开(公告)日：2019-06-13
申请号：US16327244
申请日：2017-09-04
发明人： Daehoe LEE , Dongjin KIM , Minhan KIM , Ilseok KIM , Dohyung PARK , Junseok PARK , Okgyu LIM , Gyuran JEON , Jeonjin CHOI
IPC分类号： H01M4/525 , C01G53/00 , H01M10/0525
摘要： The present disclosure relates to a cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same, the cathode active material comprising a lithium-nickel compound oxide, wherein a c-axis lattice parameter of a unit lattice of the lithium-nickel compound oxide satisfies Formula 1: 14.1720 ÅA≤c≤14.1750 ÅA [Formula 1]
-
公开(公告)号：US20180076454A1
公开(公告)日：2018-03-15
申请号：US15702048
申请日：2017-09-12
发明人： Junseok PARK , Seonyoung KWON , Jihyun KIM , Jinhwa KIM , Dohyung PARK , Daehoe LEE
IPC分类号： H01M4/525 , H01M10/052 , H01M4/04
CPC分类号： H01M4/525 , H01M4/0497 , H01M4/52 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： A cobalt oxide for a lithium secondary battery, a method of preparing the cobalt oxide; a lithium cobalt oxide for a lithium secondary battery formed from the cobalt oxide; and a lithium secondary battery having a positive electrode including the lithium cobalt oxide, the cobalt oxide having a tap density of about 2.8 g/cc to about 3.0 g/cc, and an intensity ratio of about 0.8 to about 1.2 of a second peak at 2θ of about 31.3±1° to a first peak at 2θ of about 19±1° in X-ray diffraction spectra, as analyzed by X-ray diffraction.
-
-
-
搜索结果
4 条记录 (耗时 0.011 秒)
