Core-Shell Lithium Transition Metal Oxides
    6.
    发明申请
    Core-Shell Lithium Transition Metal Oxides 有权
    核壳锂跃迁金属氧化物

    公开(公告)号:US20120261610A1

    公开(公告)日:2012-10-18

    申请号:US13505595

    申请日:2010-10-19

    IPC分类号: H01M4/525

    摘要: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a LiF layer, where this layer consists of a reaction product of a fluorine-containing polymer and the primary particle surface. The lithium of the LiF originates from the primary particles surface. Examples of the fluorine-containing polymer are either one of PVDF, PVDF-HFP or PTFE. Examples of the lithium transition metal oxide are either one of —LiCodMeO2, wherein M is either one of both of Mg and Ti, with e

    摘要翻译: 公开了一种用于可充电电池的锂过渡金属氧化物粉末,其中所述粉末的初级颗粒的表面涂覆有LiF层,其中该层由含氟聚合物和主要颗粒的反应产物 表面。 LiF的锂源自初级颗粒表面。 含氟聚合物的实例是PVDF,PVDF-HFP或PTFE之一。 锂过渡金属氧化物的实例是-LiCodMeO 2中的一种,其中M是Mg和Ti中的一种,e <0.02和d + e = 1; -Li1 + aM'1-aO2±bM1kSm,其中-0.03

    HIGH NICKEL CATHODE MATERIAL HAVING LOW SOLUBLE BASE CONTENT
    10.
    发明申请
    HIGH NICKEL CATHODE MATERIAL HAVING LOW SOLUBLE BASE CONTENT 有权
    具有低可溶性碱性内容物的高镍铬阴极材料

    公开(公告)号:US20140054495A1

    公开(公告)日:2014-02-27

    申请号:US13983596

    申请日:2012-01-31

    IPC分类号: H01M4/505 H01M4/525 C01D15/02

    摘要: The invention relates to cathode materials for Li-ion batteries in the quaternary phase diagram Li[Li1/3Mn2/3]O2—LiMn1/2Ni1/2O2—LiNiO2—LiCoO2, and having a high nickel content. Also a method to manufacture these materials is disclosed. The cathode material has a general formula Lia((Niz(Ni1/2Mn1/2)yCox)1-kAk)2-aO2, wherein x+y+z=1, 0.1≦x≦0.4, 0.36≦z≦0.50, A is a dopant, 0≦k≦0.1, and 0.95≦a≦1.05, and having a soluble base content (SBC) within 10% of the equilibrium soluble base content.

    摘要翻译: 本发明涉及Li [Li1 / 3Mn2 / 3] O2-LiMn1 / 2Ni1 / 2O2-LiNiO2-LiCoO2四元相图中锂离子电池的阴极材料,镍含量高。 还公开了制造这些材料的方法。 阴极材料具有通式Li((Niz(Ni1 / 2Mn1 / 2)yCox)1-kAk)2-aO2,其中x + y + z = 1,0.1 @ x @ 0.4,0.36 @ z @ 0.50,A 是掺杂剂,0 @ k @ 0.1和0.95 @ a @ 1.05,并且具有可溶性碱含量(SBC)在平衡可溶性碱含量的10%以内。