| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery including a gel electrolyte and excellent in productivity and battery rate characteristics. <P>SOLUTION: The nonaqueous secondary battery includes a positive electrode, a negative electrode and a separator arranged between the positive electrode and the negative electrode. In the nonaqueous secondary battery, the separator includes an air-permeable base material including a thermoplastic resin and a heat-resistant porous layer laminated on both sides of the air-permeable base material, and a gel electrolyte formed by thermal polymerization is contained in at least one of an inside and a surface part of the separator. <P>COPYRIGHT: (C)2013,JPO&INPIT |
