Secondary battery and electronic device

A secondary battery, wherein the secondary battery comprises:

• an electrode assembly, wherein the electrode assembly comprises first electrode plates, second electrode plates, and separators;
• each of the separators is disposed between a corresponding one of the first electrode plates and a corresponding one of the second electrode plates;
• the electrode assembly is formed by stacking the first electrode plates, the separators, and the second electrode plates along a first direction;
• the first direction is a thickness direction of the electrode assembly, the electrode assembly comprises a plurality of sequentially connected side faces, one of the side faces is a first side face and another is a second side face;
• a housing, wherein the electrode assembly is accommodated in the housing;
• and
• a first tab assembly, wherein the first tab assembly comprises a plurality of first tabs and a second tab, the plurality of first tabs extend out of the first side face, the plurality of first tabs are respectively connected to the first electrode plates, the plurality of first tabs are electrically connected to each other and accommodated in the housing, the second tab extends out of the second side face along a second direction, one end of the second tab is connected to one of the first electrode plates, the other end of the second tab extends out of the housing, and the second direction is perpendicular to the first direction.