Battery, battery module and electric equipment
The invention discloses a battery, a battery module and electric equipment. The battery comprises a roll core and a connecting piece, the connecting piece is provided with a first end and a second end, and the connecting piece comprises a tab connecting part close to the first end and a pole connect...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a battery, a battery module and electric equipment. The battery comprises a roll core and a connecting piece, the connecting piece is provided with a first end and a second end, and the connecting piece comprises a tab connecting part close to the first end and a pole connecting part close to the second end; the roll core comprises a roll core body part and a tab, the tab is provided with a first end and a second end which are opposite to each other, the first end of the tab is connected to the roll core body part, and the second end of the tab is connected to the tab connecting part; the tab and the tab connecting part have an overlapping region, and a welding part is formed on the overlapping region; wherein a first fusing part is arranged on the connecting sheet, and the first fusing part is positioned between the tab connecting part and the pole connecting part; the tab is provided with a second fusing part, and the second fusing part is positioned between the welding part and the |
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