Module

Abstract

A flat secondary battery having a fusion-bonded sealing type laminate film as an armored body tends to be inferior in sealing reliability to a flat secondary battery having a welded sealing type can as an armored body, due to a difference in sealing method between the two batteries. Therefore, there has been a large challenge of finding the way to make the sealing reliability of the laminate film secondary battery closer to that of the can type secondary battery. The sealing reliability is improved by further increasing a sealing force without taking any measure to the existing laminate film secondary battery, in such a manner that the fusion bonding area of the existing laminate film secondary battery is sandwiched from upside and downside to be cramped from outside so as to mechanically add a sealing force from outside to the sealing force of the laminate film itself.

1 . A module characterized in that said module includes a flat laminate film secondary battery, and a part or whole of a laminate film sealing section area of said flat laminate film secondary battery is sandwiched from upside and downside by sealing accessory plates.  
   
   
       2 . The module according to  claim 1 , characterized in that said sealing accessory plate is cramped by the top and bottom covers of the module.  
   
   
       3 . The module according to  claim 1 , characterized in that said sealing accessory plate is made of an elastic plastic material alone, of the combination of an elastic plastic material and a metal material, or of the combination of an elastic plastic material and a high rigid plastic material.  
   
   
       4 . The module according to  claim 2 , characterized in that said sealing accessory plate is made of an elastic plastic material alone, of the combination of an elastic plastic material and a metal material, or of the combination of an elastic plastic material and a high rigid plastic material.  
   
   
       5 . The module according to  claim 1 , characterized in that the flat laminate film secondary battery has a power generating element obtained by alternately laminating a positive electrode, a separator and a negative electrode.  
   
   
       6 . The module according to  claim 2 , characterized in that the flat laminate film secondary battery has a power generating element obtained by alternately laminating a positive electrode, a separator and a negative electrode.  
   
   
       7 . The module according to  claim 3 , characterized in that the flat laminate film secondary battery has a power generating element obtained by alternately laminating a positive electrode, a separator and a negative electrode.  
   
   
       8 . The module according to  claim 4 , characterized in that the flat laminate film secondary battery has a power generating element obtained by alternately laminating a positive electrode, a separator and a negative electrode.