Abstract: A rechargeable battery module, including unit cells that are adjacent to each other, each of the unit cells being configured as a rechargeable battery and including a first electrode terminal, a second electrode terminal, and a case that is electrically connected to the second electrode terminal, an insulation film on at least one side among all sides of the unit cells, and a conductive member on a side of the insulation film, the conductive member being electrically connected to the first electrode terminal of at least one of the unit cells.

Abstract: A rechargeable battery includes a case having an interior and an exterior, an electrode assembly having a first electrode and a second electrode, the electrode assembly being disposed in the interior of the case, an electrode terminal, an electrode connection portion, the electrode connection portion being electrically connected to the electrode terminal through a fuse portion, the fuse portion being positioned between and extending between the electrode connection portion and the electrode terminal.

Abstract: A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal extending through the cap plate; a lead tab including a fuse part and connecting the electrode terminal and the electrode assembly; and an auxiliary discharge path between opposite sides of the fuse part and having a second electrical resistance value greater than a first electrical resistance value of the fuse part.

Abstract: A rechargeable battery according to an exemplary embodiment includes: an electrode assembly having a first electrode, a separator, and a second electrode that are layered; a case in which the electrode assembly is installed; a cap plate coupled to an opening of the case; a first electrode terminal provided in the cap plate to electrically connect the cap plate and the first electrode; a second electrode terminal provided in the cap plate, electrically insulated from the cap plate, and electrically connected to the second electrode; and an external short-circuit portion including a short-circuit tab and provided between the second electrode terminal and the cap plate. The short-circuit tab is formed of a heterogeneous metal.

Abstract: A battery includes an electrode assembly including a first electrode and a second electrode, a first electrode terminal, and a first current collecting member electrically connecting the first electrode terminal and a first electrode uncoated region of the first electrode. The first current collecting member includes a first terminal connection region, a side plate extending downwardly from the first terminal connection region towards the first electrode uncoated region, a first current collecting piece extending from the side plate, the first current collecting piece being in contact with the first electrode uncoated region, and a fuse between the side plate and the first current collecting piece.

Abstract: A rechargeable battery having an improved penetration characteristic of an external short-circuit current in an electrode assembly by reducing an external short-circuit current. A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal protruding outside the case and electrically connected to the second electrode; and a resistance member between and electrically connecting the electrode terminal and the cap plate.

Abstract: A secondary battery including an electrode assembly, the electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case, the case accommodating the electrode assembly; a first current collector and a second current collector electrically connected to the first electrode plate and the second electrode plate of the electrode assembly, respectively; and a short inducing member disposed between the first current collector and the second current collector, the short inducing member being configured to electrically short-circuit the first current collector and the second current collector when a shape of the case is changed.