| 摘要 |
<P>PROBLEM TO BE SOLVED: To realize an electrode which is easy to be manufactured and has a high capacity and a superior charge and discharge cycle characteristics in which occurrence of wrinkles caused by expansion and shrinkage occurring during charge and discharge cycles can be suppressed in the electrode used for the lithium-ion secondary battery. <P>SOLUTION: This manufacturing method of the electrode is arranged so that the manufacturing method has a process for installing an intermediate layer that is mutually soluble with an electrolytic solution so as to cover a current collector on a sheet-state surface of the current collector having conductivity and having a plurality of protrusions on the surface, a process in which at least a part of the plurality of protrusions of the current collector are made to be exposed by removing a part of the surface of the intermediate layer, and a process in which an active material layer is installed at the exposed part of the protrusions. It is easy to be manufactured, and when a battery is constituted by using this electrode, a space is formed for moderating the expansion and shrinkage at the time of charging and discharging, thus occurrence of wrinkle on the electrode is suppressed, and the electrode having the high capacity and superior charge and discharge cycle characteristics and the lithium-ion secondary battery using it are realized. <P>COPYRIGHT: (C)2007,JPO&INPIT |
