A cell includes an electrode assembly and a tab electrically connected to the electrode assembly, the packaging housing includes a housing body, a cover, and a polymer layer. The housing body is provided with an accommodating portion, where the accommodati...

An electrode stack can include a plurality of anode assemblies, each anode assembly including at least one anode layer attached to an anode tab; a plurality of cathode assemblies, each cathode assembly including at least one cathode layer attached to a cat...

Provided is a battery cell including of: an electrode tab assembly in which a plurality of electrode tabs extending from a plurality of electrode plates to one side are stacked; a case in which the plurality of electrode plates are accommodated; and a lead...

A secondary battery, according to embodiments of the present disclosure, exhibits a reduced decrease in capacity by slimming a current collecting structure. By reducing the space occupied by the current collecting structure in the longitudinal direction of...

Positive electrode plates (2) and negative electrode plates (3) are stacked with separators (4) in between them to form an electrode plate unit (1), the end faces of electrode plates with mutually opposite polarity being made to protrude from the two side ...