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    • 4. 发明申请
    • Secondary battery material
    • 二次电池材料
    • US20090202914A1
    • 2009-08-13
    • US12315807
    • 2008-12-04
    • Keith D. KeplerHongjian Liu
    • Keith D. KeplerHongjian Liu
    • H01M4/58H01B1/02
    • H01B1/02H01M4/58H01M10/0525
    • Disclosed herein is a composite material for use as an anode for Li-ion batteries and its preparation method and use. The composite material comprises the components represented by the following formula: Ma1-Xa2—Sed1—Yd2—Cc in which, M represents one or more selected from Sn, Al, Pb, Sb, Si and Bi; X represents one or more selected from Cu, V, Co, Ti, Mo, Mg, W and Zn; Y represents Si and/or Ge; and a1, a2, d1, d2 and c represent the weight ratio of M, X, Se, Y and C to the total amount of M, X, Se, Y and C, respectively, wherein a1+a2 is equal to 0.4-0.7, d1+d2 is equal to 0.05-0.6, c is equal to 0.01-0.25, d2/d1 ranges from 0 to 1/1.4, and a2/a1 ranges from 0 to 1/1.5.
    • 本文公开了一种用作锂离子电池阳极的复合材料及其制备方法和用途。 复合材料包含由下式表示的组分:<?in-line-formula description =“In-line Formulas”end =“lead”?> Ma1-Xa2-Sed1-Yd2-Cc <?in-line-formula 描述=“In-line Formulas”end =“tail”?>其中,M表示从Sn,Al,Pb,Sb,Si和Bi中选出的一种或多种; X表示选自Cu,V,Co,Ti,Mo,Mg,W和Zn中的一种或多种; Y表示Si和/或Ge; a1,a2,d1,d2和c分别表示M,X,Se,Y和C与M,X,Se,Y和C的总量的重量比,其中a1 + a2等于0.4- 0.7,d1 + d2等于0.05-0.6,c等于0.01-0.25,d2 / d1的范围为0至1 / 1.4,a2 / a1的范围为0至1 / 1.5。