Battery cell, battery, electrical device, and method and equipment for manufacturing battery cell

A method for manufacturing a battery cell, comprising:

• providing a housing, wherein an opening is created on the housing;
• providing an electrode assembly, wherein the electrode assembly comprises a body portion, a first tab, and a second tab;
• and the first tab and the second tab are of opposite polarities and located on a same side of the body portion;
• providing an end cap and an electrode terminal, wherein the electrode terminal is dielectrically connected to the end cap, the electrode terminal comprises a first recess, and the electrode terminal comprises a first connecting portion;
• letting the electrode assembly be accommodated in the housing;
• letting the end cap fit and cover the opening, so that the first recess is recessed toward the body portion from a side of the electrode terminal, the side being away from the body portion;
• and so that the first connecting portion is located between the first recess and the second tab;
• connecting the end cap to the first tab to implement electrical connection between the end cap and the first tab;
• and
• connecting the first connecting portion to the second tab to implement electrical connection between the electrode terminal and the second tab.

Equipment for manufacturing a battery cell, comprising:

• a first providing apparatus, configured to provide a housing, wherein an opening is created on the housing;
• a second providing apparatus, configured to provide an electrode assembly, wherein the electrode assembly comprises a body portion, a first tab, and a second tab;
• and the first tab and the second tab are of opposite polarities and located on a same side of the body portion;
• a third providing apparatus, configured to provide an end cap and an electrode terminal, wherein the electrode terminal is dielectrically connected to the end cap, the electrode terminal comprises a first recess, and the electrode terminal comprises a first connecting portion;
• and
• an assembling apparatus, configured to:
• let the electrode assembly be accommodated in the housing;
• let the end cap fit and cover the opening, so that the first recess is recessed toward the body portion from a side of the electrode terminal, the side being away from the body portion;
• and so that the first connecting portion is located between the first recess and the second tab;
• connect the end cap to the first tab to implement electrical connection between the end cap and the first tab;
• and connect the first connecting portion to the second tab to implement electrical connection between the electrode terminal and the second tab.