| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a means improvable of output characteristics of a lithium ion secondary battery while suppressing reduction in capacity per volume to the minimum, accompanying increase in the amount of a used conductive assistant. <P>SOLUTION: This is an electrode for the battery provided with a current collector and an active material layer which is formed on the current collector and in which a massive porous body containing a conductive assistant, a binder, and an active material of the average particle diameter of 3 μm or less is contained in the lithium ion secondary battery. <P>COPYRIGHT: (C)2007,JPO&INPIT |
