HIGH NICKEL CATHODE MATERIAL HAVING LOW SOLUBLE BASE CONTENT
    14.
    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。

    CATHODE MATERIALS FOR LITHIUM BATTERY HAVING HIGHER PERFORMANCE
    18.
    发明申请
    CATHODE MATERIALS FOR LITHIUM BATTERY HAVING HIGHER PERFORMANCE 有权
    具有更高性能的锂离子电池的阴极材料

    公开(公告)号:US20080026292A1

    公开(公告)日:2008-01-31

    申请号:US11688358

    申请日:2007-03-20

    IPC分类号: H01M4/52

    摘要: Provided is a cathode material for a lithium secondary battery, comprising a heat-treated mixture of an oxide powder (a) represented by Formula I and an oxide powder (b) represented by Formula II, wherein a mixing ratio of the oxide powder (a):oxide powder (b) is in a range of 30:70 to 90:10, the oxide powder (a) is monolithic particles having a D50 of more than 10 μm, and the oxide powder (b) is agglomerated particles having a D50 of less than 10 μm, and heat treatment is carried out at a temperature of 400° C. or higher. LiCoO2  (I) LizMO2  (II) wherein 0.95

    摘要翻译: 本发明提供一种锂二次电池用正极材料,其特征在于,包含由式I表示的氧化物粉末(a)和式II表示的氧化物粉末(b)的热处理混合物,其中,氧化物粉末(a ):氧化物粉末(b)的比例范围为30:70〜90:10,氧化物粉末(a)为D50大于10um的整体颗粒,氧化物粉末(b)为具有 D50小于10微米,并且在400℃或更高的温度下进行热处理。 <?in-line-formula description =“In-line Formulas”end =“lead”?> LiCoO 2(I)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”????????????(II) ?in-line-formula description =“In-line formula”end =“tail”?>其中0.95