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    Lithium complex oxide
    2.
    发明授权
    Lithium complex oxide 有权

    公开(公告)号：US11621418B2

    公开(公告)日：2023-04-04

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

    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]