Birch, Stewart, Kolasch & Birch, LLP
Electrode assembly including cathode and anode having different welding portion shapes and secondary battery including the same
Disclosed is an electrode assembly including a plurality of alternately arranged cathode and anode plates, a separator interposed between the cathode plate and the anode plate, a plurality of cathode tabs respectively formed on the cathode plates, a plurality of anode tabs respectively formed on the anode plates, a cathode lead coupled to the cathode tabs, and an anode lead coupled to the anode tabs, wherein the welding portions in which the cathode and anode tabs are respectively coupled to the cathode and anode leads have different shapes, or kinds of the cathode and anode tabs are identical and kinds of the cathode and anode leads are different.
LG CHEM, LTD.
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Soo Hyun Jihyun Seong Min Min Hee Daehong Tae Jin Jae Hyun
Lim Kim Lee Lee Kim Park Lee