| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium-ion battery made of an electrolyte or a gel electrolyte including at least ion liquid and lithium salt, a positive electrode active material, and a negative electrode active material, which can improve cycle characteristics and can maintain safety for a long period. <P>SOLUTION: In the lithium-ion battery having the electrolyte or the gel electrolyte including at least the ion liquid and the lithium salt, a positive electrode active material layer, and a negative electrode active material layer, an insulating layer 111 for intercepting ion conductivity is formed on an opposite section between an exposed section 104 of a positive electrode collector where the positive electrode active material layer is not formed and the negative electrode active material layer 101. <P>COPYRIGHT: (C)2009,JPO&INPIT |
