Abstract:
A secondary battery includes at least two electrode assemblies, each electrode assembly including a first electrode plate, a separator, and a second electrode plate, a case accommodating the at least two electrode assemblies, electrode terminals electrically connected to the at least two electrode assemblies, a cap plate sealing the case and exposing the electrode terminals to the outside, and at least one insulation member between the at least two electrode assemblies, the insulation member defining a space between the at least two electrode assemblies.
Abstract:
A prismatic type secondary battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case accommodating the electrode assembly, the case having an open upper end and at least two pairs of surfaces facing each other; a cap assembly sealing the open upper end of the case; and an insulation tube surrounding a lateral periphery of the case and the cap assembly within a region up to a certain height or greater, the insulation tube including at least one elasticity part at a side thereof.
Abstract:
A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a case housing the electrode assembly; and a cap assembly coupled to the case, wherein the cap assembly includes a cap plate sealing the case and having a short circuit opening; a first short circuit plate installed at the short circuit opening of the cap plate; a second short circuit plate on an exterior of the cap plate and spaced from the cap plate to cover the short circuit opening; and a sealing layer between the second short circuit plate and the cap plate.
Abstract:
A secondary battery including a case having a lengthwise direction and including a space therein, an electrode assembly disposed in the space in the case, the electrode assembly including a rolled laminate of a positive electrode plate, a negative electrode plate and a separator interposed therebetween and having non-coating portions at ends thereof, a pair of current collectors, each current collector being electrically connected to one of the non-coating portions of the electrode assembly, each current collector including a current collector plate having an end portion, each end portion extending along the lengthwise direction of the case such that the end portions of the current collector plates of the pair of current collectors are spaced apart from each other in a central region in the lengthwise direction of the case, and a cap plate coupled to a top of the case to seal the case, the cap plate having a vent disposed therein at a position corresponding to the end portions of the current collector plates.
Abstract:
A secondary battery including an electrode assembly; a terminal electrically connected to the electrode assembly; and a case accommodating the electrode assembly and the terminal, wherein the terminal includes a collecting plate connected to the electrode assembly; a collecting terminal connected to the collecting plate and protruding out of the case; a terminal plate outside of the case, the terminal plate including a terminal through hole at one side thereof and a reinforcement member recess at another side thereof, the collecting terminal passing through the terminal through hole, and a female screw thread being provided to the reinforcement member recess; and a reinforcement member in the reinforcement member recess.
Abstract:
A rechargeable battery includes a case containing an electrode assembly and an electrolyte solution; a cap plate sealing the case; an electrode terminal electrically coupled to the electrode assembly and extending through the cap plate; and a seal gasket positioned between the electrode terminal and the cap plate, wherein the seal gasket has a beveled edge extending around a circumference of the seal gasket.
Abstract:
A rechargeable battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first collecting plate electrically coupled to the first electrode plate, the first collecting plate including a fuse reinforcement part having a fuse opening and a reinforcement protrusion protruding from a periphery of the fuse opening; a case housing the electrode assembly and the first collecting plate; and a cap assembly coupled to the case and comprising a cap plate.
Abstract:
A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator located between the first electrode plate and the second electrode plate; a first collecting plate and a second collecting plate that are electrically connected to the first electrode plate and the second electrode plate, respectively; a case configured to accommodate the electrode assembly, the first collecting plate, and the second collecting plate; and a cap plate configured to close the case to seal the electrode assembly, the first collecting plate and the second collecting plate within the case, wherein reinforcement stepped parts are formed on the cap plate such that a center region of the cap plate has a thickness different from a thickness of peripheral regions of the cap plate.
Abstract:
A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a first electrode tab and a second electrode tab connected to the first electrode and the second electrode, respectively; a case including a receiving part that receives the electrode assembly, the case having an open side; a cap plate sealing the open side of the case; and a first electrode terminal and a second electrode terminal passing through the cap plate, the first electrode terminal being connected to the first electrode tab, the second electrode terminal being connected to the second electrode tab, the first electrode terminal including a first terminal, a lower terminal plate provided at a top end of the first terminal, and an upper terminal plate provided at a top end of the lower terminal plate, the first electrode tab being connected to a bottom end of the first terminal.
Abstract:
A rechargeable battery includes an electrode assembly; a case housing the electrode assembly; a cap assembly comprising a cap plate that seals the case and has an opening; and a short circuit member including a first short circuit plate extending across the opening, a second short circuit plate spaced from the cap plate and covering the opening, and a third short circuit plate between the first and second short circuit plates.