BATTERY
According to one embodiment, a battery (1) includes an electrode group (2), a current collector tab (12), a lead member (16), and an electrode terminal (13). The current collector tab (12) protrudes in the electrode group (2), and is connected to the lead member (16) at an end on a side opposite to...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | According to one embodiment, a battery (1) includes an electrode group (2), a current collector tab (12), a lead member (16), and an electrode terminal (13). The current collector tab (12) protrudes in the electrode group (2), and is connected to the lead member (16) at an end on a side opposite to a root position (E1). The lead member (16) includes a bonded portion (21;23) formed at a part connected to the current collector tab, (12) and is thicker than the current collector tab (12). The lead member (16) is connected to the electrode terminal (13) at a position different from the part connected to the current collector tab (12). In the current collector tab (12), a tab bent portion (22) is provided between the root position (E1) and the part connected to the lead member (16). |
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