Samsung SDI., Ltd. Patent applications |
Patent application number | Title | Published |
20130040192 | POUCH TYPE LITHIUM SECONDARY BATTERY - A pouch type lithium secondary battery includes: an electrode assembly including electrode tabs respectively connected to two electrodes, the two electrodes having different polarities; and a case to house the electrode assembly such that the electrode tabs extend to the outside of the case, wherein one stepped part through which the two electrode tabs simultaneously extend is formed in a sealing portion of the case. In the electrode sealing portion of the pouch type lithium secondary battery having short width, sealing of the case is improved by the one stepped part, thereby improving efficiency of the manufacturing process of the battery. | 02-14-2013 |
20120135307 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PRODUCING NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material of a rechargeable lithium battery and a rechargeable lithium battery including a negative electrode, and the negative electrode includes a negative active material layer including a negative active material represented by the following Chemical Formula 1. | 05-31-2012 |
20120070737 | BINDER COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, AND ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a binder composition for a rechargeable lithium battery including a cross-linked compound of polyacrylic acid substituted with an alkali cation and polyvinyl alcohol and an electrode and rechargeable lithium battery including the same. The cross-linked compound of polyacrylic acid and polyvinyl alcohol is obtained by heating polyacrylic acid and polyvinyl alcohol to effect a cross-linking reaction via esterification. The cross-linked compound of polyvinyl alcohol and polyacrylic acid substituted with an alkali cation may improve phase stability of a binder, and has high cross-linking ratio, thereby providing for excellent performance of a rechargeable lithium battery. | 03-22-2012 |
20110268996 | PROTECTION CIRCUIT MODULE AND RECHARGEABLE BATTERY INCLUDING THE SAME - A protection circuit module of a rechargeable battery comprises a substrate formed of a flexible insulator and including a circuit supporting unit and a wiring supporting unit extending from the circuit supporting unit; a conductive circuit pattern unit formed on the circuit supporting unit; a conductive wiring unit formed on the wiring supporting unit, wherein the wiring unit is electrically connected to the circuit pattern unit and extends along the wiring supporting unit; circuit elements electrically connected to the circuit pattern unit and formed on one surface of the circuit supporting unit; and a reinforcement unit formed on an opposing surface of the circuit supporting unit and supporting the circuit supporting unit. | 11-03-2011 |
20110152061 | PHOTOSENSITIVE PASTE COMPOSITION FOR FORMING BARRIER RIBS OF PLASMA DISPLAY PANEL - A photosensitive paste composition for forming barrier ribs of a plasma display panel (PDP). The photosensitive paste composition includes an inorganic material including SiO | 06-23-2011 |
20090111017 | SECONDARY BATTERY - The secondary battery includes: a can, and electrode assembly disposed in the can; a protection circuit board disposed around an opening of the can, including an external connection terminal; a double-coated adhesive tape interposed between the can and the protection circuit board; a cap assembly including a cap-up, to seal the opening of the can; a first lead connected to the protection circuit board and welded to the cap-up; a second lead connected to the protection circuit board and welded to a bead of the can; and a top cover having a terminal hole corresponding to the external connection terminal. | 04-30-2009 |