Leydig, Voit & Mayer, Ltd.
Method for manufacturing lithium polymer secondary battery and lithium polymer secondary battery made by the method
A method for manufacturing a lithium polymer secondary battery includes the steps of fabricating a unit cathode plate, a unit anode plate and a separator each having a plasticizer, extracting each plasticizer from the unit cathode plate, the unit anode plate and the separator and drying the same, stacking the cathode plate and the unit anode plate and interposing the separator therebetween to form a unit battery cell, and impregnating the unit battery cell with an electrolytic solution. Therefore, the battery productivity can be improved. Also, expanded metal or punched metal as well as a foil can be used as cathode and anode current collectors of the lithium polymer secondary battery.
Samsung SDI Co., Ltd.
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Jung-ho Youn-han
Kim Chang