Patent ID: 6797430
Filing Date: 2004-09-28
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
A nonaqueous-electrolyte battery comprising:a unit cell comprising positive and negative electrodes and positive and negative electrode terminal leads that are electrically connected to said respective electrodes and extend outwardly from said unit cell, where burrs are formed in the negative electrode terminal lead; a sealant resin coatingly applied to at least a portion of each of said electrical terminal leads along a periphery of each of said electrical leads so as at least a portion of said sealant resin has an uneven shape; a battery case comprising a laminate layer that encloses said unit cell by heat welding at least a portion of said laminate layer so as to form a heat weld layer, said heat weld layer sealingly enclosing said unit cell by contacting said sealant resin so as at least a portion of each of said electrode terminal leads extends outwardly from said heat weld layer.