Electrode Assembly Including Electrode Lead Coupling Unit Coupled by Adhesion Portion and Spot Welding and Pouch-Shaped Battery Cell Including the Same
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United States of America Patent
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Issued Date -
Mar 2, 2023
app pub date -
Jan 27, 2021
filing date -
Feb 10, 2020
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Abstract
The present invention relates to an electrode assembly, wherein a plurality of electrodes is stacked in the state in which a separator is interposed between the electrodes, electrode tabs protruding from the electrodes are coupled to an electrode lead in a state of forming an electrode tab bundle, the electrode lead includes a first electrode lead coupled to the electrode tabs and a second electrode lead coupled to the first electrode lead, and an electrode lead coupling portion configured to allow the first electrode lead and the second electrode lead coupled to be coupled to each other includes an adhesion portion and a spot welding portion.
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