Abstract: A battery includes an electrode assembly, the electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a current collector, the current collector being electrically and mechanically coupled to one of the electrodes, a case, the electrode assembly and the current collector being disposed within the case, a cap plate, the cap plate having a terminal protruding therefrom, the terminal being electrically coupled to the current collector, and a separating member, the separating member having a protrusion portion and a body portion, the protrusion portion being fixed to the cap plate, and the body portion extending along a length of the current collector and being interposed between the current collector and an inner wall of the case.

Abstract: A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, each of the positive and negative electrodes including a coated region and an uncoated region at an end of the coated region in a longitudinal direction of the electrode assembly, a case housing the electrode assembly, a terminal coupled to the electrode assembly, and a current collecting member electrically coupling the electrode assembly to the terminal, wherein the uncoated region is fixed to the current collecting member, and includes a portion that is substantially perpendicular to the longitudinal direction of the electrode assembly.

Abstract: A rechargeable battery includes an electrode assembly charging and discharging a current, a case in which the electrode assembly is installed, a cap plate coupled to an opening of the case, an electrode terminal provided on the cap plate, and an external insulator receiving the electrode terminal from the outside of the cap plate. The electrode terminal includes a first plate terminal electrically connected to the electrode assembly, a second plate terminal separated from the first plate terminal, and a fuse portion connecting the first plate terminal and the second plate terminal.

Abstract: A rechargeable battery includes an electrode assembly including first electrodes and second electrodes, a casing including a space in which the electrode assembly is embedded, a cap plate combined with the casing, and a first thin film insulating member fused with the casing and surrounding the casing.

Abstract: A rechargeable battery including an electrode assembly including a positive electrode and a negative electrode; a case including a space receiving the electrode assembly; a cap plate coupled with the case; and a terminal electrically connected to the electrode assembly, the terminal protruding outside of the cap plate, wherein a top of the cap plate has a slanted surface.

Abstract: A rechargeable battery includes a case, an electrode assembly in the case, a current collecting member electrically connected to the electrode assembly, a fuse part in the current collecting member, and an elastic member adjacent to the fuse part. The elastic member is configured to provide an elastic force to the fuse part.

Abstract: A rechargeable battery includes: an electrode assembly in a case; a cap plate coupled to an opening of the case; a rivet electrically connected to the electrode assembly, the rivet including: a first rivet flange; and a second rivet flange; and a gasket between the rivet flange and the cap plate, the gasket including: a first gasket flange configured to be coupled with the first rivet flange; and a second gasket flange configured to be coupled with the second rivet flange.

Abstract: An apparatus for detecting a failure of a battery includes a plurality of cell internal pressure sensors each provided in a corresponding one of a plurality of battery cells to measure internal pressure of the battery cells and generate and transmit pressure signals, a sensing unit for receiving the pressure signals to sense the internal pressure of the battery cells, a control logic unit for receiving the internal pressure data of each of the battery cells and determining a battery cell having cell internal pressure outside of a predetermined normal range of internal pressure of the battery cell as a failed cell, and a battery control unit for controlling charging or discharging of the other battery cells of the battery except for the failed cell while the failed cell is being repaired or replaced.

Abstract: A rechargeable battery including an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; and an external insulating member on an outer surface of the case, the external insulating member including an insulating cover on the cap plate, and an insulating tape coupled to the insulating cover on the case.

Abstract: A rechargeable battery includes: an electrode assembly configured to perform charging and discharging; a case enclosing the electrode assembly; a cap plate coupled to an opening of the case; an electrode terminal engaging a terminal hole of the cap plate; and an insulator between the cap plate and the electrode terminal, wherein the insulator comprises: a fluid receiving recess at a side of the electrode terminal to receive fluid, and an outlet extending through the insulator from the fluid receiving recess to discharge the received fluid.

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 receiving the electrode assembly; a cap plate coupled to the case; an electrode terminal connecting the electrode assembly to an outside of the cap plate; and a lead tab electrically connecting the electrode assembly and the electrode terminal, and the electrode assembly includes a coated region of the first electrode, and an uncoated region of the first electrode adjacent an end portion of the coated region, the uncoated region having a through hole formed therein and connecting an inner portion of the electrode assembly to an outside of the electrode assembly.

Abstract: A rechargeable battery, and a module thereof, including a case accommodating an electrode assembly therein; a cap plate covering an opening of the case and having terminal holes; and electrode terminals installed in the terminal holes and electrically connected to the electrode assembly, the electrode terminals being protruded from lateral surfaces of the case adjacent the opening.

Abstract: A rechargeable battery protection apparatus includes: a battery module including a plurality of unit cells coupled in series between a positive terminal and a negative terminal, and configured to be coupled to a charger through a first external port coupled to the positive terminal and a second external port coupled to the negative terminal to charge the plurality of unit cells; a pack fuse on a high current path between the battery module and the charger; and a connector that forms a bypass path that bypasses a current between a first unit cell and a second unit cell among the plurality of unit cells to the pack fuse depending on an internal pressure of the battery module.

Abstract: A rechargeable battery including an electrode assembly; a case including a cavity, the electrode assembly being in the cavity; a cap plate coupled with an opening of the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includes a plate terminal disposed on an external surface of the cap plate, and a bolt terminal extending at least partially in and being secured to the plate terminal.

Abstract: A rechargeable battery includes a case, an electrode assembly in the case, at least one terminal portion disposed at least partially inside the case, at least one current collecting member electrically connecting the electrode assembly and the terminal portion, the current collecting member including a terminal coupling portion, and at least one insulation member in the case. The insulation member includes a current collecting member coupling portion into which the terminal coupling portion extends. The current collecting member coupling portion supports at least a portion of the terminal coupling portion.

Abstract: A battery may include an electrode assembly including a first electrode and a second electrode, an electrode terminal, a current collecting member electrically connecting the electrode terminal and a first electrode uncoated region of the first electrode, a fixing member, and a case. The current collecting member may include a terminal connecting portion coupled to the electrode terminal and an electrode connecting portion extending from the terminal connecting portion. The electrode connecting portion may include an extending connecting plate and a current collecting piece extending from the connecting plate and being in contact with the first electrode uncoated region along sidewalls of the first electrode uncoated region. The fixing member may include a current collecting member coupling portion engaged with the current collecting member, the electrode connecting portion extending through the fixing member. The fixing member may be between the current collecting member and the case.

Abstract: A rechargeable battery including an electrode assembly including a first electrode and a second electrode; a case having a space in which the electrode assembly is located; a cap plate coupled with the case; a terminal coupled to the electrode assembly through a current collecting tap, and protruding through the cap plate to an outside of the case; a first cover in which a lower portion of the terminal is located; and a second cover in which an upper portion of the current collecting tap is located, the second cover being coupled with the first cover to secure the terminal and the current collecting tap.

Abstract: A rechargeable battery including an electrode assembly including a positive electrode and a negative electrode; a case containing the electrode assembly; a cap plate covering an opening of the case; a terminal electrically connected to the electrode assembly; and a sealing member on the cap plate to seal between the terminal and the cap plate, the sealing member including a connection member arranged therein and electrically connecting the terminal and the cap plate.

Abstract: A secondary battery includes a case having an opening therein, a cap plate attached to the case, a plurality of electrode assemblies in the case, each electrode assembly including a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate, and uncoated edges of the positive and negative electrode plates extending out of each electrode assembly defining electrodes, an electrode terminal protruding outside the cap plate, a gasket covering the electrode terminal, an electrode current collector electrically connecting the electrode assemblies and the electrode terminal, a retainer between the electrode current collector and the case, the retainer being connected to the electrode assemblies, and a damper on a front side of the retainer that faces the electrode assemblies, the damper extending to be positioned between the electrodes of adjacent electrode assemblies.

Abstract: A secondary battery includes a case; a cap plate coupled to the case; at least one electrode assembly accommodated in the case, the electrode assembly including a positive electrode plate, a negative electrode plate, and a separator located between the positive and negative electrode plates; an electrode collector electrically connected to the electrode assembly; an electrode terminal connected to the electrode collector and protruding outward from the cap plate; a gasket surrounding the electrode terminal; and a reinforcement part coupled to the gasket such that at least a portion of the electrode collector is located between the reinforcement part and the gasket.