| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrode material capable of obtaining a high discharge capacity, stable charge-discharge cycle performance, a high filling property, a high output and the like by using an inexpensive element abundant as a resource, to provide a lithium ion battery using it and to provide a manufacturing method of the electrode material. <P>SOLUTION: This electrode material is characterized by forming each secondary particle 3 by collecting a plurality of primary particles 1 expressed by a formula Li<SB>x</SB>A<SB>y</SB>B<SB>z</SB>O<SB>4</SB>(wherein A is at least one kind selected from Cr, Mn, Fe, Co, Ni and Cu; B is at least one kind selected from Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, Y and a rare-earth elements; 0≤x<2; 0<y<1.5; and 0≤z<1.5), and by interlaying three-dimensional mesh-like electron conducting substances 2 among the plurality of primary particles 1, 1. <P>COPYRIGHT: (C)2004,JPO |
