Patent application number | Description | Published |
20090087735 | Rechargeable battery - A rechargeable battery having a current collector plates that a have a stable and reliable connection to an uncoated portion of one of the anode and the cathode of the electrode assembly. The rechargeable battery includes the electrode assembly, a case, a cap assembly, and the current collecting plates. The electrode assembly includes the anode, the cathode, and a separator arranged between the anode and the cathode. The case houses the electrode assembly. The cap assembly closes and seals the case and includes an electrode terminal. The current collecting plates connect the electrode assembly and the cap assembly and each include a plurality of current collecting protrusions that extend into the electrode assembly. The current collecting protrusions of one current collector plate are arranged among the current collecting protrusions of another current collecting plate, and the uncoated region of one of the anode and the cathode is arranged among these current collecting protrusions. | 04-02-2009 |
20100159316 | Secondary battery module - A secondary battery module including a plurality of unit batteries that each include a cap plate and a case connected to either one of a positive electrode and a negative electrode of an electrode assembly and an electrode terminal connected to the other of the positive electrode and negative electrode, wherein the electrode terminal protrudes outside of a unit battery by passing through the cap plate covering the case, and a connector having a first end and a second end, wherein the first end fits on the electrode terminal of one of the unit batteries and is screw-engaged to the electrode terminal by a nut and the second end is connected to the case of another adjacent unit battery. | 06-24-2010 |
20100167113 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode wound together and a case housing the electrode assembly, wherein the electrode assembly has an inner surface and an outer surface having a concave portion. | 07-01-2010 |
20100227215 | RECHARGEABLE BATTERY - A battery including: a case having a case region extendable along a first direction; an electrode assembly housed within the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first uncoated region at a first end of the electrode assembly, and the second electrode including a second uncoated region at a second end of the electrode assembly, the second end facing oppositely away from the first end, and the first uncoated region being spatially separated from the second uncoated region along the first direction; and a terminal electrically coupled to at least one of the first uncoated region or the second uncoated region, the case region being between the first uncoated region and the second uncoated region along the first direction. | 09-09-2010 |
20100233519 | RECHARGEABLE BATTERY - A rechargeable battery configured to stably and easily interrupt a current includes: an electrode assembly including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; a case containing the electrode assembly therein and having a first opening at one end thereof; and a first plate coupled to the case and sealing the first opening, the first plate electrically connected to the electrode assembly, wherein the first plate includes a wrinkle portion configured to deform for disconnecting the first plate from the electrode assembly when an internal pressure of the case is greater than a reference pressure. | 09-16-2010 |
20100264133 | Induction heating device - An induction heating device includes a take-off roller, the take-off roller adapted to unwind a wound electrode plate having a coating portion and a non-coating portion, a guide roller adapted to feed the electrode plate, an induction heater above the guide roller, the induction heater being spaced a predetermined distance from the guide roller and the electrode plate, and a winding roller, the winding roller adapted to wind the electrode plate fed from the guide roller. | 10-21-2010 |
20100291421 | RECHARGEABLE BATTERY - A rechargeable battery with overcharging protection. According to an embodiment of the present invention, a rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to said portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar. | 11-18-2010 |
20110039138 | Electrode plate of secondary battery and secondary battery having the same - An electrode plate for a secondary battery includes a collector having a coated portion on which an active material is coated; and an uncoated portion extending in a longitudinal direction along one or both sides of the coated portion, the uncoated portion having at least four crystalline directions. | 02-17-2011 |
20110052978 | Secondary battery - A secondary battery including an electrode assembly, a can accommodating the electrode assembly, a cap plate coupled to the can, an electrolyte injection unit including an injection hole penetrating the cap plate and an injection ring protruding from the injection hole, and a stopper to seal the electrolyte injection unit. | 03-03-2011 |
20110151318 | Secondary battery - A secondary battery including an electrode assembly, the electrode assembly including electrode plates and a separator interposed between the electrode plates, at least one of the electrode plates including a coated part, the coated part including a metallic plate having an active material coated thereon, and an uncoated part, the uncoated part including a metallic plate without active material coated thereon, the uncoated part including a folding line in the uncoated part, and a folding part with an end portion folded with respect to the folding line; and a current collector electrically contacting the folding part. | 06-23-2011 |
20110183167 | Secondary battery - A secondary battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly; a cap plate sealing the case; a first electrode terminal electrically connected to the first electrode plate and penetrating through the cap plate; and a safety valve coupled to the first electrode terminal, the safety valve including a bimetal element. | 07-28-2011 |
20110244314 | SECONDARY BATTERY - A secondary battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coating portion coated with a first active material and a non-coating portion absent the first active material; and a collector plate including first and second collector plates enmeshed together with the non-coating portion therebetween. | 10-06-2011 |