Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Pouch type of battery cell having unit electrode where a plurality of electrode tabs are formed
The present invention provides a battery cell including: an electrode assembly having a structure in which a positive electrode, a negative electrode, and a separator are laminated, each of the positive electrode and the negative electrode having 2×n (n≥2), wherein a positive tab is provided in each of odd-numbered sides, and a negative electrode tab is provided in each of even-numbered sides, and the positive electrodes and the negative electrode tabs are alternately formed along the sides; electrode terminals respectively disposed on a first side and a second side of the electrode assembly, in which outermost electrodes are disposed, or third sides which are side surfaces of the electrode assembly, being perpendicular to the first side and the second side, and a battery case having a structure of surrounding an external surface of the electrode assembly.
LG Chem, Ltd.
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Hyun Min Hee Seok Sei Woon Ju Ri
Kim Jeong Oh Kim