| 摘要 |
<p>The present invention relates to an electrode assembly and an electrochemical cell including the same. The electrochemical cell includes an electrode tap extended from an anode and a cathode; a multi interlock pattern including the electrode tap and the electrode lead, and having step structures in the combination region of the electrode tap and the electrode lead. [Reference numerals] (AA) Welding strength according to pre-clinching(interlock increase); (BB) Welding strength[kgf] between Lead-Tabs; (CC) B after A; (DD) A after B</p> |
