| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a negative electrode material for a lithium cell which keeps a high discharge capacity and achieves a superior cycle characteristic. <P>SOLUTION: A composite powder comprises (1) a component A composed of at least one element selected from Ag, Al, Bi, Sb, and Zn, (2) a component B composed of at least one element selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Mo, and W, (3) Sn, and (4) an alloy composed of two or more elements of the elements of above (1), (2), and (3), wherein the component A, Sn, and an alloy of the component A and Sn are homogeneously distributed in the composite powder, while the component B, and an alloy including the component B are in a state of segregation. <P>COPYRIGHT: (C)2004,JPO |
