Abstract: An embodiment of the present invention provides a rechargeable secondary battery, which can rapidly cut off charge and/or discharge paths by a force provided from an elastic force offering part in addition to fusion of a fuse when an external short circuit or overcharge occurs to the rechargeable secondary battery.

Abstract: A secondary battery includes an electrode assembly; a first terminal electrically connected to the electrode assembly, wherein the first terminal includes a first collecting plate contacting the electrode assembly and having at least one opening; a first terminal plate comprising at least one protrusion extending into the at least one opening; and a first coupling terminal extending through the first terminal plate and electrically coupled to the first collecting plate; a case housing the electrode assembly; and a cap assembly sealing the case.

Abstract: A secondary battery includes an electrode assembly having a first electrode plate with a first electrode non-coated portion, the first electrode non-coated portion including a first protrusion part at an upper part of the electrode assembly, a second electrode plate with a second electrode non-coated portion, the second electrode non-coated portion including a second protrusion part at an upper part of the electrode assembly, and a separator disposed between the first and second electrode plates, first and second current collecting plates electrically connected to respective first and second electrode plates, and a case accommodating the electrode assembly and the first and second current collecting plates, the case having a shape corresponding to the first and second protrusion parts of the electrode assembly.

Abstract: Provided is a secondary battery including an electrode assembly, a case accommodating the electrode assembly, a cap assembly, and an electrode terminal electrically connected to the electrode assembly. The cap assembly includes a cap plate disposed over an upper opening of the case. The electrode terminal protrudes outwardly from a terminal hole of the cap plate. The electrode terminal includes a collecting terminal extending through the terminal hole of the cap plate, a terminal plate coupled with the collecting terminal, and a coupling terminal coupled with the terminal plate. The cap plate includes a short-circuit hole therein. The short-circuit hole is at a position corresponding to a position of the coupling terminal. A short-circuit member covers the short-circuit hole.

Abstract: A secondary battery including an electrode assembly, the electrode assembly including a first electrode plate, a separator, and a second electrode plate; a collecting plate electrically connected to the electrode assembly; a case accommodating the electrode assembly and the collecting plate; a cap plate sealing the case; and an electrode terminal passing through the cap plate and electrically connected to the collecting plate, wherein the cap plate includes an injection inlet at a side thereof, the injection inlet includes a blocking member therein, and the blocking member and the injection inlet are covered with a stopper.

Abstract: A secondary battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a first collecting part electrically connected to the first electrode; a second collecting part electrically connected to the second electrode; a case configured to receive the electrode assembly; a cap assembly including a cap plate configured to seal an opening of the case; and an auxiliary connection part electrically connected between the second collecting part and the cap plate, and the second collecting part includes at least two fuse parts, a first extension part, and a second extension part connected to the second electrode.

Abstract: A rechargeable battery includes an electrode assembly having a first electrode plate, a separator and a second electrode plate, a first collector plate electrically connected to the first electrode plate, a second collector plate electrically connected to the second electrode plate, a case accommodating the electrode assembly, the first collector plate and the second collector plate, a first electrode terminal electrically connected to the first collector plate, a second electrode terminal electrically connected to the second collector plate, a first plate connected to the first collector plate and the first electrode terminal and sealing the case, a second plate connected to the second collector plate and the second electrode terminal and including a short-circuit plate, and an insulation plate interposed between the first plate and the second plate.

Abstract: A secondary battery including: an electrode assembly; a case containing the electrode assembly; a cap plate sealing an opening of the case; an electrode terminal protruding outside the case; and a collector electrically connected between the electrode assembly and the electrode terminal, wherein the collector includes a first collecting part coupled to the electrode terminal and including a first coupling portion, and a second collecting part coupled to the electrode assembly and including a second coupling portion, the first coupling portion being coupled to the second coupling portion, and wherein one of the first and second coupling portions includes a protrusion part, and the other of the first and second coupling portions includes an accommodation part, the protrusion part being received in the accommodation part.

Abstract: A rechargeable battery includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing an opening in the case, and electrode terminals extending through the cap plate at opposite ends of the cap plate. The cap plate includes a recessed portion extending in one direction between the electrode terminals.

Abstract: A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator therebetween, a first collector plate and a second collector plate electrically connected to the first electrode plate and the second electrode plate, respectively, a case accommodating the electrode assembly, the first collector plate and the second collector plate; a cap plate sealing the case, a first electrode terminal and a second electrode terminal electrically connected to the first collector plate and the second collector plate and penetrating the cap plate, a first coupling terminal spaced apart from an outside of the cap plate and electrically connected to the first electrode terminal, and a first upper insulation member between the cap plate and the first coupling terminal, the first upper insulation member including a first grip recess extending lengthwise at opposite sides of the first upper insulation member.

Abstract: A battery includes an electrode assembly including a pair of electrodes and having a first side, a second side, a third side, and a fourth side, the second side being opposite the first side; a short circuit induction member, the short circuit induction member being attached to and electrically connected to one electrode of the electrodes, the short circuit induction member including a first portion, a second portion, and a third portion, the third side of the electrode assembly facing the third portion, the third portion mechanically and electrically connecting the first portion to the second portion, the electrode assembly being interposed between the first portion and the second portion such that the first side of the electrode assembly is between the first portion and the second side, the fourth side of the electrode assembly being at least partially exposed by the short circuit induction member; and a case.

Abstract: A secondary battery including: a case including an accommodation space therein; an electrode assembly housed in the case, the electrode assembly including a coating portion, a first electrode including a first non-coating portion, and a second electrode including a second non-coating portion; a short circuit induction member electrically connected to at least one of the first or second non-coating portions; and a cap plate sealing the case, the short circuit induction member including a contact maintaining part extending along a longitudinal direction of the electrode assembly.

Abstract: A secondary battery including an electrode assembly; a case housing the electrode assembly; a current collecting terminal electrically connected to the electrode assembly; a cap plate capping the case to seal the electrode assembly, the case, and the current collecting terminal; an insulation member interposed between the current collecting terminal and the cap plate; an electrode terminal electrically connected to the current collecting terminal and extending through the insulation member and the cap plate; and shock damping members between the electrode assembly and the cap plate, the shock damping members being coupled with the insulation member.

Abstract: A packaging box, which is easily disassembled to easily remove a product therefrom. A packaging box including an external box having a receiving space therein, the external box including a receiving part and a cover removably coupleable to the receiving part; an internal box receivable in the receiving space of the external box, the internal box having a receiving space therein; and a slide pad slidably coupleable to a lower portion of the internal box.

Abstract: A secondary battery includes an electrode assembly; a first terminal electrically connected to the electrode assembly, wherein the first terminal includes a first collecting plate contacting the electrode assembly and having at least one opening; a first terminal plate comprising at least one protrusion extending into the at least one opening; and a first coupling terminal extending through the first terminal plate and electrically coupled to the first collecting plate; a case housing the electrode assembly; and a cap assembly sealing the case.

Abstract: A secondary battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a first collecting part electrically connected to the first electrode; a second collecting part electrically connected to the second electrode; a case configured to receive the electrode assembly; a cap assembly including a cap plate configured to seal an opening of the case; and an auxiliary connection part electrically connected between the second collecting part and the cap plate, and the second collecting part includes at least two fuse parts, a first extension part, and a second extension part connected to the second electrode.

Abstract: A battery pack including a secondary battery arranged on an elastic member and a piezoelectric member is provided. Vertical movement of the secondary battery within the battery pack generates electrical energy that may be used to charge the secondary battery.

Abstract: A secondary battery including: an electrode assembly; a case containing the electrode assembly; a cap plate sealing an opening of the case; an electrode terminal protruding outside the case; and a collector electrically connected between the electrode assembly and the electrode terminal, wherein the collector includes a first collecting part coupled to the electrode terminal and including a first coupling portion, and a second collecting part coupled to the electrode assembly and including a second coupling portion, the first coupling portion being coupled to the second coupling portion, and wherein one of the first and second coupling portions includes a protrusion part, and the other of the first and second coupling portions includes an accommodation part, the protrusion part being received in the accommodation part.

Abstract: A secondary battery that can induce an internal short circuit in accordance with a stimulus, for example, excessive internal pressure or temperature, is provided. The secondary battery includes an electrode assembly, a collecting plate electrically connected to the electrode assembly and having a short circuit hole, a short circuit member including a short circuit plate installed in the short circuit hole, a case accommodating the electrode assembly and the collecting plate and having an opening, and a cap assembly including a cap plate sealing the opening of the case. The short circuit plate faces the cap plate.

Abstract: A secondary battery including a case having an opening; an electrode assembly housed in the case; at least one current collector coupled to an uncoated portion of the electrode assembly and forming an electrode terminal, wherein the case has a coupling groove recessed toward the at least one current collector; and a cap plate coupled to seal the opening of the case.