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| 20110008654 | CAP ASSEMBLY OF IMPROVED SAFETY AND CYLINDRICAL SECONDARY BATTERY EMPLOYED WITH THE SAME - Disclosed herein is a cap assembly loaded on an open upper end of a cylindrical container of a battery in which an electrode assembly is mounted in the cylindrical container, the cap assembly including a safety vent having a predetermined notch configured to rupture by high-pressure gas generated in the battery, a current interruptive device coupled to a bottom of the safety vent by welding for interrupting current when internal pressure of the battery increases, and a current interruptive device gasket for surrounding an outer circumference of the current interruptive device, wherein the current interruptive device includes two or more through holes for gas discharge, the through holes being formed such that the sum of areas of the through holes is equal to 20% to 50% of an entire area of the current interruptive device. When high-pressure gas is generated in the battery, the cap assembly effectively interrupts current and rapidly discharges the gas, thereby greatly improving safety of the battery. | 01-13-2011 |
| 20120114979 | CYLINDRICAL SECONDARY BATTERY OF IMPROVED SAFETY - Provided is a cylindrical battery in which an electrode assembly fabricated by rolling a cathode/separator/anode and an electrolyte are provided in a cylindrical can, wherein a cap assembly mounted on the opening top of the cylindrical can comprises: a safety vent provided with a predetermined notch, to allow breakage due to high-pressure gas of the battery, a current interruptive device to interrupt current, welded to the bottom of the safety vent, and a gasket for the current interruptive device to surround the periphery of the current interruptive device, wherein the current interruptive device comprises two or more through holes to allow exhaustion of gas, wherein the through holes have a size of 20 to 50% with respect to the total area of the current interruptive device. | 05-10-2012 |
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| 20090047582 | Non-Aqueous Electrolyte and Electrochemical Device With an Improved Safety - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. In addition, disclosed is an electrochemical device comprising: an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. | 02-19-2009 |
| 20110076527 | DUAL SEALING CAP ASSEMBLY AND CYLINDRICAL SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a cap assembly and a battery including the same. More particularly, the present invention relates to a cap assembly for a cylindrical secondary battery, in which the support unit of a current interrupt device (CID) is seated in the inclined portion or the terraced portion of a gasket and thus the battery is dually sealed, thereby preventing the leakage of an electrolyte, and a cylindrical secondary battery including the cylindrical secondary battery. The cap assembly of the present invention is dually sealed for the leakage of an electrolyte. Accordingly, there is an advantage in that the safety of the battery can be greatly improved because the electrolyte is rarely leaked although the battery is shocked because of dropping. | 03-31-2011 |
| 20110086251 | CAP ASSEMBLY COMPRISING GASKET PREVENTED FROM SAGGING AND CYLINDRICAL SECONDARY BATTERY COMPRISING THE SAME - A cap assembly is provided. The cap assembly comprises a main gasket surrounding the outer circumference of a safety vent and an auxiliary gasket surrounding the outer circumference of a current interrupt device (CID). The main gasket is supported by the auxiliary gasket, leaving no space between the main gasket and the safety vent. The cap assembly is constructed such that the auxiliary gasket prevents the main gasket seated on a beading portion from sagging. This construction makes the cap assembly effective in preventing an electrolyte from leaking. Further provided is a cylindrical secondary battery comprising the cap assembly. | 04-14-2011 |
| 20110091775 | LITHIUM SECONDARY BATTERY INCLUDING WATER-DISPERSIBLE BINDER, CONDUCTION AGENT, AND FLUOROETHYLENECARBONATE - The present invention relates to a lithium secondary battery. The present invention provides the lithium secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a water-dispersible binder and a conduction agent. The non-aqueous electrolyte solution includes fluoroethylenecarbonate (FEC). The batteries of the present invention are advantageous in that they have a high efficiency charging lifespan characteristic and enable high capacity charging in a short time. | 04-21-2011 |
| 20110104523 | CAP ASSEMBLY OF CYLINDRICAL RECHARGEABLE BATTERY AND CYLINDRICAL RECHARGEABLE BATTERY - A cap assembly of a cylindrical rechargeable battery includes an integrated gasket obtained by integrating a first gasket covering a top cap, a PTC element, and a safety vent and a second gasket covering a CID. The rechargeable battery including the cap assembly has the advantages of increasing a contact area between a safety vent and a gasket by integrating the existing dual-gasket structure to thereby increase a sealing effect, increasing a short circuit reactivity of the CID by freely changing the gasket structure according to the diameter of the current interrupting member to thereby improve stability, simplify components, and reduce a production unit cost. | 05-05-2011 |
| 20120028090 | SECONDARY BATTERY - A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket. | 02-02-2012 |
| 20120028134 | LITHIUM SECONDARY BATTERY WITH IMPROVED ENERGY DENSITY - Provided is a lithium secondary battery with enhanced energy density including a cathode using a cathode active material containing lithium mixed transition metal oxide absorbing and discharging lithium ions, wherein a final discharge voltage is in the range of about 1.5 V to about 2.75 V. A final discharge voltage can be reduced to 1.5 V to 2.75 V from 3.0 V by using various lithium mixed transition metal oxides as a cathode active material, or by using the various lithium mixed transition metal oxides with the LCO-based cathode material mixed. Compared to typical LCO-based cathode materials of which capacity and energy density do not change even if a final discharge voltage is decreased, a cathode material of the present invention results in further improving capacity by 10-20% as the final discharge voltage is decreased. | 02-02-2012 |
| 20120100404 | CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME - A cap assembly for a secondary battery is coupled to an open end of a battery can receiving an electrode assembly in which a separator is interposed between cathode and anode plates, and includes a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal; a safety element disposed below the top cap to contact the top cap; a safety vent disposed to contact the safety element; a current intercepting member having an upper portion welded to a lower end of the safety vent and a lower portion capable of being connected to the electrode assembly; a first gasket surrounding an outer circumference of the current intercepting member; and a second gasket surrounding the rims of the top cap, the safety element, and the safety vent, and a lower end portion extending to surround the lower portion of the current intercepting member. | 04-26-2012 |
| 20120115025 | SEAL TAPE AND SECONDARY BATTERY USING THE SAME - A seal tape capable of preventing an electrode assembly from moving in a secondary battery, and a secondary battery using the same are disclosed. The seal tape for a secondary battery is attached to the outer surface of the electrode assembly which is received in a battery case, and includes a first adhesive layer having an adhesive surface adhered to the outer surface of the electrode assembly, and a second adhesive layer having an adhesive layer at a side opposite to the first adhesive layer so as to adhere to the inner surface of the battery case. | 05-10-2012 |
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| 20120116930 | METHOD AND SYSTEM FOR PROCESS-BASED ORIGIN MANAGEMENT - A method for process-based origin management of a product includes inputting information regarding a product and an origin of a raw material of the product, extracting a list of determining processes matched to an agreement related to the product, determining an origin of the product by using the information of the product and the determining processes in the list, and outputting an origin determination result of the product. | 05-10-2012 |
| 20120124050 | SYSTEM AND METHOD FOR HS CODE RECOMMENDATION - A system for harmonized commodity description and coding system (HS) code recommendation includes an ontology editor for creating an HS code ontology based on HS codes of export and import items, and a feature vector processor for extracting feature vectors of a product of a company requesting for an HS code of the product by with reference to the description of the product in response to the request. An HS code recommendation unit extracts one or more HS codes appropriate for the product by comparing the extracted feature vectors with feature vectors of the product searched from a feature vector database. The extracted HS codes are provided to the company requesting for an HS code of the product. | 05-17-2012 |
| 20120158691 | APPARATUS AND METHOD OF SEARCHING HS CODES USING ONTOLOGY - An apparatus of searching a HS code for a product includes a database (DB) for storing HS codes with respect to various products, an ontology editor for converting the HS codes into an ontology, and a search unit for searching the DB for a HS code corresponding to a search word for the product by using the ontology of the HS codes. The search unit is configured to create a HS code ontology and a domain ontology with respect to the product having the search word, extract a feature vector with respect to an individual class of the HS code ontology, extend the extracted feature vector by using the domain ontology, and search for the HS code of the product by using the extended feature vector. | 06-21-2012 |
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| 20100077080 | COMMUNICATION TERMINAL, SERVICE KIOSK, AND SERVICE PROVIDING SYSTEM AND METHOD - A service providing method includes: transmitting service kiosk information from a service kiosk to a communication terminal at a prescribed time interval; and if a communication terminal requests a service newspaper through the transmitted service kiosk information, creating the service newspaper in accordance with terminal information of the communication terminal and transmitting the service newspaper to the communication terminal. Further, the service providing method includes, if the communication terminal requests a service through the service newspaper, dividing and buffering the requested service page by page in accordance with physical feature information from the terminal information and transmitting the requested service to the communication terminal. | 03-25-2010 |
| 20100121906 | DEVICE MANAGEMENT APPARATUS AND METHOD FOR HOME NETWORK SYSTEM - A device management apparatus for a home network system includes: a local device manager for controlling and managing device initialization, software maintenance, device status monitoring and device event alarm management for adaptive middleware devices in the home network system; and a local device agent for performing device initialization, software maintenance, device status monitoring and device event alarm management for each adoptive middleware device under control and management of the local device manager. The local device manager provides a Universal Middleware Bridge (UMB) device to the adaptive middleware device or application service in a form of a Virtual Device Type (VDT) device. | 05-13-2010 |
| 20120131604 | SYSTEM AND METHOD FOR MANAGING TERMINAL PROVISIONING - The present invention relates to a procedure and a method for provisioning technology which ensure an IPTV terminal's easy switch to IPTV enterprisers, and suggests terminal configuration procedures independent of IPTV enterprisers. The present invention includes terminal initial setting in which the terminal is booted and is physically connected to a network and software stacks for terminal provisioning are initialized, network connection performed after an IP address is assigned by transmitting a discovery message to a DHCP server, enterpriser search and selection, enterpriser access, installation of extended packages for each enterpriser, IPTV service initiation, service unsubscribing and the like, as the provisioning procedures of the IPTV terminal. | 05-24-2012 |
