BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

A battery cell includes: a housing, where the housing forms an accommodating space; an electrode assembly, where the electrode assembly is disposed within the accommodating space; a top cover, where the top cover is connected to the housing and covers the accommodating space, the top cover is provided with a protrusion, the protrusion is located within the accommodating space, and the protrusion is configured to shield between the electrode assembly and at least a portion of the connection at which the top cover is connected to the housing.