| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a battery electrode capable of forming easily an electrode layer of a multi-layer structure. <P>SOLUTION: An electrode layer forming composition 4 which contains a first electrode material 1 having a particle size larger than the aperture diameter of a porous current collector 5, a second electrode material 2 having a particle size smaller than the aperture diameter of the porous current collector, and a binder dispersed and dissolved in a solvent is prepared and coated on the surface of the porous current collector. Thereby, a battery electrode 13 is obtained which has an inner electrode layer 11 that is formed on the surface and inside of the porous current collector and contains the second electrode material and the binder and an outer electrode layer 12 that is formed on the surface of the inner electrode layer and contains the first electrode material and the binder. <P>COPYRIGHT: (C)2010,JPO&INPIT |
