Patent application number | Description | Published |
20130273415 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case having a space accommodating the electrode assembly and including a support at a corner inside the case, and a cap plate coupled to an opening of the case and supported by the support. | 10-17-2013 |
20140065449 | RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly including a negative electrode and a positive electrode; a case housing the electrode assembly; a cap plate coupled to an opening of the case; a negative terminal and a positive terminal penetrating the cap plate and connected to the negative electrode and the positive electrode, respectively; an external short-circuit unit separately provided between the negative terminal and the cap plate and configured to short-circuit the negative terminal on the cap plate; and a thermistor for connecting the positive terminal and the cap plate, wherein the thermistor is configured to have reduced resistance when its temperature is increased. | 03-06-2014 |
20140212742 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly that performs charging and discharging, a case in which the electrode assembly is installed a cap plate coupled to the case, a lead tab connected to an electrode of the electrode assembly, and an electrode terminal in the cap plate and connected to the lead tab. The electrode terminal includes a column portion inserted into a terminal hole of the cap plate and a flange portion at one end of the column portion, the flange portion being wider than a cross-section of the column portion, and the flange portion being at an inner side of the cap plate. The lead tab includes an insertion portion into which the column portion is inserted, the lead tab being welded in a surface contact manner to the flange portion along an inner surface of an external circumference of the insertion portion. | 07-31-2014 |
20140255737 | Rechargeable Battery - A rechargeable battery includes an electrode assembly including a negative electrode, a positive electrode, and a separator therebetween, a case housing the electrode assembly, a cap plate sealing the case and electrically connected to the positive electrode, a negative terminal and a positive terminal penetrating the cap plate and respectively electrically connected to the negative electrode and the positive electrode, and a safety member located between the electrode assembly and the case, electrically connected to the negative electrode, and including an end portion coupled to the negative electrode, a plate portion at a side of the electrode assembly, and a resistance controller coupling the end portion and the plate portion, and having a higher electrical resistance than the plate portion. | 09-11-2014 |
20140377638 | RECHARGEABLE BATTERY - The described technology has been made in an effort to provide a rechargeable battery having advantages of protecting an electrode assembly and a case from arc debris generated from a cell fuse. A rechargeable battery in accordance with exemplary embodiment includes: an electrode assembly configured to perform charging and discharging operations; a case configured to accommodate the electrode assembly therein; a cap plate coupled to an opening of the case; an electrode terminal installed on the cap plate; a lead tab configured to connect the electrode assembly to the electrode terminal, and including a fuse; and a side retainer supported in an inner surface of the case to be coupled to the lead tab. The side retainer includes an exhaust guide member that is opened toward the cell fuse and a sidewall of the case. | 12-25-2014 |
20150086857 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case accommodating the electrode assembly, a cap plate coupled to the case, a first current collector coupled to the first electrode of the electrode assembly, and a first terminal assembly. The first terminal assembly includes a first terminal coupled to the first current collector and having a first fixed groove or a first fixed protrusion, and a second terminal having a second fixed groove coupled to the first fixed protrusion or a second fixed protrusion coupled to the first fixed groove. | 03-26-2015 |