abstract |
The present invention relates to a battery cell with improved weldability and an apparatus for processing the same, and more particularly, an electrode assembly is accommodated in a cell case, and a pair of electrode leads made of a negative electrode lead and a positive electrode lead are provided to the outside of the cell case. In the protruding battery cell, the negative lead is made of a nickel material and at least one emboss is formed, and the positive lead is made of an aluminum material and is not embossed. will be. |