公开(公告)号：US20230197952A1

公开(公告)日：2023-06-22

申请号：US18173336

申请日：2023-02-23

申请人： ECOPRO BM CO., LTD.

发明人： Jung Han LEE ,  Seung Woo CHOI ,  Moon Ho CHOI ,  Jun Won SUH ,  Jin Kyeong YUN ,  Mi Hye YUN ,  Kwang Seok CHOI ,  Joong Ho BAE ,  Jin Oh SON

IPC分类号： H01M4/525 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525 ,  H01B1/08

CPC分类号： H01M4/525 ,  C01G53/50 ,  H01M4/364 ,  H01M4/505 ,  H01M10/0525 ,  H01B1/08 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2004/03 ,  C01P2004/50 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M2004/021

摘要： A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2≤20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2θ) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1:


LiaNixCoyMnzM1-x-y-zO2,   [Chemical Formula 1]

where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9≤a≤1.3, 0.6≤x≤1.0, 0.0≤y≤=0.4, 0.0≤z≤0.4, and 0.0≤1-x-y-z≤0.4,


−0.025≤FWHM(104)−{0.04+(xfirst particle−0.6)×0.25}≤0.025,   [Formula 1]

where FWHM(104) is represented by Formula 2,


FWHM(104)={(FWHMChemical Formula 1 powder(104)−0.1×mass ratio of second particles)/mass ratio of first particles}−FWHMSi powder (220).   [Formula 2]

公开(公告)号：US20210135216A1

公开(公告)日：2021-05-06

申请号：US17085519

申请日：2020-10-30

申请人： ECOPRO BM CO., LTD.

发明人： Jung Han LEE ,  Seung Woo CHOI ,  Moon Ho CHOI ,  Jun Won SUH ,  Jin Kyeong YUN ,  Mi Hye YUN ,  Kwang Seok CHOI ,  Joong Ho BAE ,  Jin Oh SON

IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/36 ,  C01G53/00

摘要： A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2≤20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2θ) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,  [Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9≤a≤1.3, 0.6≤x≤1.0, 0.0≤y≤=0.4, 0.0≤z≤0.4, and 0.0≤1−x−y−z≤0.4, −0.025≤FWHM(104)−{0.04+(xfirst particle−0.6)×0.25}≤0.025,  [Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)−0.1×mass ratio of second particles)/mass ratio of first particles}−FWHMSi powder(220).  [Formula 2]

公开(公告)号：US20240266532A1

公开(公告)日：2024-08-08

申请号：US18632065

申请日：2024-04-10

申请人： ECOPRO BM CO., LTD.

发明人： Jung Han LEE ,  Seung Woo CHOI ,  Moon Ho CHOI ,  Jun Won SUH ,  Jin Kyeong YUN ,  Mi Hye YUN ,  Kwang Seok CHOI ,  Joong Ho BAE ,  Jin Oh SON

IPC分类号： H01M4/525 ,  C01G53/00 ,  H01B1/08 ,  H01M4/02 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525

CPC分类号： H01M4/525 ,  C01G53/50 ,  H01B1/08 ,  H01M4/364 ,  H01M4/505 ,  H01M10/0525 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2004/03 ,  C01P2004/50 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028

摘要： A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2≤20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2θ) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1:






where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9≤a≤1.3, 0.6≤x≤1.0, 0.0≤y≤=0.4, 0.0≤z≤0.4, and 0.0≤1−x−y−z≤0.4,










where FWHM(104) is represented by Formula 2,