ELECTRODE MATERIAL HAVING A HIGH CAPACITY
    1.
    发明申请
    ELECTRODE MATERIAL HAVING A HIGH CAPACITY 审中-公开
    具有高容量的电极材料

    公开(公告)号:US20130337334A1

    公开(公告)日:2013-12-19

    申请号:US14000877

    申请日:2012-01-27

    IPC分类号: H01M4/133 H01M4/04

    摘要: The invention accordingly provides a silicon-carbon composite which has at least a proportion of hard carbon and a proportion of silicon powder and is obtained by, under a noble gas atmosphere, a) treating the hard carbon component at least once with high energy in a mechanofusion mixer and b) subsequently adding the silicon powder component thereto and mixing the components, or adding the silicon powder component during step a) and continuing the mechanofusion treatment, and is characterized in that the composite has an average particle size of less than or equal to 12 μm, a proportion of hard carbon of from 5 to 50% by weight and a proportion of silicon powder of from 5 to 50% by weight.

    摘要翻译: 因此,本发明提供了一种硅 - 碳复合材料,其具有至少一定比例的硬碳和一定比例的硅粉末,并且通过在惰性气体气氛下获得,a)在高能量下处理硬碳组分至少一次 机械混合混合器和b)随后将硅粉组分加入其中并混合组分,或在步骤a)期间加入硅粉组分并继续机械融合处理,其特征在于复合材料的平均粒度小于或等于 至12μm,硬碳的比例为5〜50重量%,硅粉的比例为5〜50重量%。