초록 ▼

A method of forming a seal between a lead on a battery cell and flexible packaging enclosing the cell that comprises the steps of chemically cleaning at least a portion of a lead of a battery; roughening the surface of the portion of a lead to increase the surface area thereof; coating the entire pe

A method of forming a seal between a lead on a battery cell and flexible packaging enclosing the cell that comprises the steps of chemically cleaning at least a portion of a lead of a battery; roughening the surface of the portion of a lead to increase the surface area thereof; coating the entire periphery of the portion of a lead with a layer of a first polymeric material; the coating having a minimum thickness about equal to the thickness of the lead; positioning the portion of the lead between two flexible laminate sheets, the laminate sheets each having a layer of a second polymeric material, the laminate sheets being positioned to engage each other wherein the portion of the lead is disposed between the polymeric layers of the flexible laminate sheet; and applying sufficient heat and pressure to the flexible laminate sheets to soften the polymeric layers on the flexible laminate to cause the polymer layers to flow around and completely coat the layer of polymeric material on the lead.

대표청구항 ▼

[ Having described the invention, the following is claimed:] [1.]1. A method of forming a seal between a lead on a polymer electrolytic battery cell and flexible packaging enclosing said cell, comprising the steps of:chemically cleaning at least a portion of a surface of a lead of a battery;rougheni

[ Having described the invention, the following is claimed:] [1.]1. A method of forming a seal between a lead on a polymer electrolytic battery cell and flexible packaging enclosing said cell, comprising the steps of:chemically cleaning at least a portion of a surface of a lead of a battery;roughening said surface of said lead;coating said surface of said lead with a layer of a first polymeric material, said coating having a minimum thickness about equal to a thickness of said lead;applying sufficient heat and pressure to cause said first polymeric material to soften and flow around and onto said surface of said lead;positioning said portion of said lead between two flexible laminate sheets, said laminate sheets each having a layer of a second polymeric material, said laminate sheets being positioned to engage each other wherein said portion of said lead is disposed between said polymeric layers of said flexible laminate sheet; andapplying sufficient heat and pressure to said flexible laminate sheets to soften said polymeric layers on said flexible laminate to cause said polymer layers to flow around and completely coat the layer of first polymeric material on said lead.