| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium-ion secondary battery endowed with excellent cycle characteristics. <P>SOLUTION: In the lithium-ion secondary battery with an outer package film in which a laminated element having a structure of a positive electrode 6, a separator 7, a negative electrode 3 and a separator 7 laminated in this order is accommodated, and a structure that a positive electrode collector 5 and a negative electrode collector 2 each having a peripheral part adhered to the separator 7 and an outer package film 8 is employed. <P>COPYRIGHT: (C)2010,JPO&INPIT |
