Patent application number | Description | Published |
20080226972 | Secondary battery - A secondary battery capable of assembling a bare cell and a protective circuit module (PCM) in a manner of mechanical connection without performing a molding is provided. The secondary battery includes a bare cell whose top surface is provided with an electrode terminal having a polarity, a first case covering the top surface of the bare cell, a second case covering a first side surface of the bare cell, a first lead tab coupling the electrode terminal to the PCM, and a second lead tab coupling a surface of the bare cell having another polarity to the protective circuit module. Both of the first and the second lead tabs are covered by the first case. | 09-18-2008 |
20080226973 | Secondary battery - A secondary battery that can simplify manufacturing of an assembly of a bare cell and a protection circuit module, and reduce manufacturing costs by installing a connecting member of a protection circuit module electrically coupled to a bare cell in one direction of the bare cell. The secondary battery may be constructed with a bare cell; a protection circuit module installed on one edge side surface of the bare cell; first and second electrode terminals included in the bare cell; and first and second lead plates respectively configured to electrically couple the protection circuit module to the first and second electrode terminals, wherein the first and second lead plates are installed on the same single side edge surface between side surfaces of the bare cell. | 09-18-2008 |
20080226974 | Connection terminal and secondary battery using the same - A connection terminal of a secondary battery and a secondary battery using the same, and more particularly, to a connection terminal and a secondary battery using the same that have the anti-press function and the support function of a protection circuit board as well as the function of electrically connecting a bare cell with the protection circuit board. | 09-18-2008 |
20080226979 | Protection circuit board for secondary battery and secondary battery using the same - A protection circuit board for a secondary battery is constructed with an electrically insulating substrate, a printed circuit board pattern formed on the electrically insulating substrate, a protection circuit part electrically connected to the printed circuit board pattern, a charge-and-discharge terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part, and a test terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part. The test terminal is constructed with an electroless plated layer formed on the test terminal. | 09-18-2008 |
20080261087 | PACK TYPE BATTERY - A pack type battery includes a bare cell having a top edge, a bottom edge, and opposing side surfaces. A protective circuit module is electrically coupled to the bare cell by a lead plate. A substrate cover is attached to the bare cell and covers the protective circuit module. A pair of elongate cell covers are provided, each elongate cell cover including a base for covering an edge of the bare cell and a skirt extending from longitudinal edges of the base for covering a portion of the opposing side surfaces. A label covers the opposing side surfaces of the bare cell and the skirt of each elongate cell cover. | 10-23-2008 |
20090086398 | PROTECTION CIRCUIT MODULE OF SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - A protective circuit module of a secondary battery and a secondary battery using the same, the protection circuit module including a positive temperature coefficient (PTC) device and a circuit board, wherein terminals of the PTC device are inserted into the circuit board to be coupled with connection terminals of the circuit board so that workability is improved and manufacturing costs are reduced. The secondary battery sensitively reacts to a temperature increase of the secondary battery by installing the PTC device on the upper or lower side of the circuit board, or extending one terminal of the PTC device to a bare cell of the secondary battery. | 04-02-2009 |
20090092891 | SECONDARY BATTERY - A side case coupled to a secondary battery in a sliding manner to cover sides of the secondary battery. The secondary battery includes: a rectangular prism battery body; a guide member arranged in a lengthwise direction of one of the pair of the sides of the battery body; a first side case that includes a horizontal portion that is coupled to the guide member to cover one of the horizontal sides of the battery body and a vertical portion that is connected to one end of the horizontal portion to cover at least a portion of an adjacent side of the battery body; and a second side case that is coupled to the battery body, and includes vertical and horizontal portions that are generally symmetric to the vertical portion and the horizontal portion of the first side case and a plurality of terminal holes formed in the horizontal portion. | 04-09-2009 |
20090109099 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit module including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit module can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery. | 04-30-2009 |
20090111004 | RECHARGEABLE BATTERY - A rechargeable battery includes: a bare cell; a protection circuit board installed on an upper surface of the bare cell; and a lead plate to connect the protection circuit board with the bare cell, wherein the lead plate includes a substrate fixing part fixed to the protection circuit board, a bare cell fixing part fixed to the bare cell, and a connection part to connect the substrate fixing part with the bare cell fixing part, the lead plate being installed such that the connection part is disposed between the protection circuit board and the upper surface of the bare cell. A welding strength is improved when the lead plate connecting the bare cell with the protection circuit board is installed, thereby prominently reducing defects in manufacturing packs and modules. | 04-30-2009 |
20090122455 | PTC DEVICE, PROTECTIVE CIRCUIT MODULE INCLUDING THE SAME, AND SECONDARY BATTERY INCLUDING THE PROTECTIVE CIRCUIT MODULE - A Positive Temperature Coefficient (PTC) device, a Protective Circuit Module (PCM) including the PTC device, and a secondary battery including the Protective Circuit Module (PCM) are provided. A support portion is formed at one end of a conductive plate of the PTC device, a conductive layer disposed on the upper portion of the PTC main body is fixed to the Protective Circuit Module (PCM), and the support portion is fixed by a coated adhesive that is melted at a high temperature and then hardens when the high temperature is removed, thereby preventing the PTC device from swaying or twisting. | 05-14-2009 |
20090123816 | RECHARGEABLE BATTERY - A rechargeable battery, and more particularly, a rechargeable battery having a function of detecting water contact. The area for detecting water contact is formed on the rechargeable battery or its component parts by applying water-soluble ink on a surface thereof. It is straightforward to form such a rechargeable battery and to easily determine whether the rechargeable battery or its component parts have been in contact with water. | 05-14-2009 |
20090130494 | BOARD ASSEMBLY FOR RECHARGEABLE BATTERY AND BATTERY PACK USING THE SAME - A board assembly for a rechargeable battery includes a cover case including a cover plate, and side walls disposed on a circumference of the cover plate and including respective openings that are offset from each other; and a circuit board mounted between the side walls of the cover case. | 05-21-2009 |
20090130554 | SECONDARY BATTERY - A secondary battery includes grooves formed in a cap plate into which conducting support members are disposed allowing for the exact connection of a protection circuit board to a predetermined position of the battery. The secondary battery includes: an electrode assembly; a can to house the electrode assembly; a cap assembly; a protection circuit board electrically coupled to an electrode terminal of the cap assembly; and a conducting support member connected to a groove formed in the cap plate and soldered to the protection circuit board. The protection circuit board is electrically and mechanically connected to the groove formed in the cap plate, thereby allowing the protection circuit board to be exactly connected to a predetermined position of the cap plate. | 05-21-2009 |
20090208826 | CYLINDRICAL SECONDARY BATTERY - A cylindrical secondary battery having improved performance in a compression test and a collision test. The cylindrical battery including a ceramic layer coated on at least one of a cathode plate and an anode plate, and a center pin having a wall thickness of 0.05 to 0.1 mm, which is inserted into the center of an electrode assembly of the battery. The ceramic layer can have a thickness of 6.0 μm to 8.0 μm. | 08-20-2009 |
20090297942 | LITHIUM POLYMER BATTERY - Disclosed is a lithium polymer battery, which includes: an electrode assembly; an outer case receiving the electrode assembly, where an electrode tab of the electrode assembly is withdrawn out of the outer case; a protection circuit module provided at one side of the outer case, where an inner connection terminal of the protection circuit module is connected to the electrode tab of the electrode assembly and provided in parallel to the withdrawn direction of the electrode tab. The lithium polymer battery can improve reliability and safety of an electrical coupling state between a bare cell and a protection circuit module and assembling workability between the electrode tab and connection terminals by mechanically and electrically coupling them to each other without bending the electrode tab. | 12-03-2009 |
20100075205 | SECONDARY BATTERY - A secondary battery capable of being formed to be relatively small by reducing the sizes of internal devices and compactly locating the internal devices. Accordingly, the volume of the secondary battery is reduced and the capacity thereof is maintained, thereby increasing the capacity density of the secondary battery. In one embodiment, the secondary battery includes a bare cell having a cap plate and a protection circuit module on the bare cell and including a printed circuit board surface-contacting the cap plate. | 03-25-2010 |
20100092805 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY HAVING THE SAME - A protection module capable of being utilized by a secondary battery regardless of the external mounting structure of the secondary battery for mounting the secondary battery to an external device. Accordingly, it is unnecessary to separately manufacture a protective circuit module according to the external mounting structure of the battery. The secondary battery includes: a plurality of bare cells each of which includes a can, an electrode assembly, and a cap assembly; a first protective circuit module located on the upper surface of the bare cells that is formed by the cap assemblies; and a secondary protective circuit module located on a side surface of the bare cells that is formed by curved surfaces of the cans. The first protective circuit module and the second protective circuit module are electrically connected to each other. | 04-15-2010 |
20100136373 | Secondary battery - An easily assembled pack type secondary battery. The secondary battery includes a bare cell, a protection circuit module having a circuit board and coupled with the bare cell, and a top case covering the circuit board of the protection circuit module and having a coupling slot into which at least part of the circuit board is fitted. The secondary battery allows the top case to be attached to the protective circuit module and the bare cell without having to use an adhesive and without requiring an injection molding technique. | 06-03-2010 |
20100136374 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY INCLUDING THE SAME - A protective circuit module and a secondary battery including the same. The secondary battery includes: an electrode assembly, a can to house the electrode assembly, and a cap assembly to seal an opening of the can. The protective circuit module includes: a first module electrically connected to the cap assembly; a second module electrically connected to a closed end of the can; and a third module electrically connecting the first module and the second module. The first module includes a mounting portion that is disposed in a groove between the can and the cap assembly. | 06-03-2010 |
20100136419 | Battery pack - Disclosed is a battery pack that can improve bonding strength between a bare cell and a case by combining a beading part of a bare cell with a projection on an inner surface of a case. The battery pack comprises a bare cell and an upper case. The bare cell includes an electrode assembly, a can receiving the electrode assembly, and a cap assembly covering an upper part of the can. The can includes a beading part inwardly pressed from an outer surface of the can. The beading part is at a higher position than an upper part of the electrode assembly. The upper case covers the beading part and upper part of the can, and includes a projection formed on an inner surface of the upper case. The projection is combined with the beading part of the can. | 06-03-2010 |
20100136423 | SECONDARY BATTERY - A secondary battery has a bare cell including a can, an electrode assembly in the can and a cap assembly sealing the can. A protective circuit module is on the bare cell, the protective circuit module including a metal protective circuit board. | 06-03-2010 |
20100143753 | BATTERY PACK - A battery pack includes a bare cell; a circuit module on the bare cell and electrically connected to the bare cell; a loop antenna attached to the bare cell and electrically connected to the circuit module; and a PTC device on the loop antenna and electrically connected to the circuit module. | 06-10-2010 |
20100151281 | BATTERY PACK - A battery pack includes a bare cell including a cap plate and an electrode terminal insulated from the cap plate and a circuit module including a circuit board having a first short side, a second short side generally opposite the first short side, a first long side and a second long side generally opposite the first long side. The circuit board includes a base lead plate attached to the circuit board and a base fixing protrusion extending from the base lead plate, wherein the circuit module is on and electrically connected to the bare cell. The battery pack also includes an upper cover covering the circuit module, the upper cover including a base fixing groove adapted to receive the base fixing protrusion, wherein base fixing protrusion is in the base fixing groove. | 06-17-2010 |
20110003179 | PROTECTION CIRCUIT BOARD, SECONDARY BATTERY, AND BATTERY PACK - A protection circuit board, a secondary battery, and a battery pack including a secondary battery. In embodiments of a protection circuit board, as well as a secondary battery and a battery pack including a protection circuit board, a secondary protection device is disposed in a board body of the protection circuit board for facilitating fabrication and improving performance of the secondary protection device without using an additional structure for insulating the secondary protection device and the secondary battery. | 01-06-2011 |
20110111265 | PROTECTION CIRCUIT BOARD FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - A protection circuit board for a secondary battery is constructed with an electrically insulating substrate, a printed circuit board pattern formed on the electrically insulating substrate, a protection circuit part electrically connected to the printed circuit board pattern, a charge-and-discharge terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part, and a test terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part. The test terminal is constructed with an electroless plated layer formed on the test terminal. | 05-12-2011 |
20110195281 | SECONDARY BATTERY - The secondary battery includes an electrode assembly, an outer case housing the electrode assembly, and a protective circuit module electrically connected to a first electrode tab and a second electrode tab that extend from the electrode assembly. The protective circuit module includes a circuit board including a first connecting pad and a second connecting pad that are connected to the first electrode tab and the second electrode tab, respectively. One of the first connecting pad and the second connecting pad is formed of a material including copper, and is embedded by a certain depth into the circuit board. | 08-11-2011 |
20110309995 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit board including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit board can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery. | 12-22-2011 |
20120021256 | SECONDARY BATTERY - A secondary battery includes a bare cell having a can, a cap plate on the can, and an electrode terminal protruding from the cap plate; a protection circuit module on the bare cell, the protection circuit module including a circuit board; a temperature sensitive device coupled to the circuit board; and a first lead plate electrically coupled to the circuit board and to the electrode terminal. | 01-26-2012 |
20120106015 | BATTERY PACK - A battery pack that can quickly transfer heat from a battery cell to a positive temperature coefficient (PTC) to quickly cut off a current when the battery cell is heated to a high temperature. A battery pack includes: a battery cell including a cell tab; a protective circuit module including an internal terminal connected to the cell tab, a PTC connected to the internal terminal, and an interconnection pattern between the internal terminal and the PTC and electrically connecting the internal terminal to the PTC; and a heat transfer member including a surface contacting the interconnection pattern, and opposite sides respectively connected to the internal terminal and the PTC. | 05-03-2012 |
20120160552 | PTC DEVICE, PROTECTIVE CIRCUIT MODULE INCLUDING THE SAME, AND SECONDARY BATTERY INCLUDING THE PROTECTIVE CIRCUIT MODULE - A Positive Temperature Coefficient (PTC) device, a Protective Circuit Module (PCM) including the PTC device, and a secondary battery including the Protective Circuit Module (PCM) are provided. A support portion is formed at one end of a conductive plate of the PTC device, a conductive layer disposed on the upper portion of the PTC main body is fixed to the Protective Circuit Module (PCM), and the support portion is fixed by a coated adhesive that is melted at a high temperature and then hardens when the high temperature is removed, thereby preventing the PTC device from swaying or twisting. | 06-28-2012 |
20120231301 | Secondary Battery - A secondary battery having a compact design by using planar lead plates. In the secondary battery, a third lead plate is arranged on a top side of a protective circuit module, while the first and second lead plates are planar and are arranged on a bottom side of the protective circuit module. Therefore, a coupling height of a bare cell to the protective circuit module can be minimized to allow for an increased capacity of the bare cell. The protective circuit module may include an accommodation portion, such as a groove or a through hole, to accommodate a plug of an electrolyte injection hole in the cap plate. | 09-13-2012 |
20120293120 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit module including: an insulating substrate including a plurality of layers; first and second printed circuit patterns disposed between the plurality of layers of the insulating substrate; a loop antenna electrically coupled to the first printed circuit pattern; and a wireless charging portion spaced apart from the loop antenna and electrically coupled to the second printed circuit pattern, wherein ends of the loop antenna and ends of the wireless charging portion are between the plurality of layers of the insulating substrate. | 11-22-2012 |
20130071697 | SECONDARY BATTERY - A secondary battery capable of being formed to be relatively small by reducing the sizes of internal devices and compactly locating the internal devices. Accordingly, the volume of the secondary battery is reduced and the capacity thereof is maintained, thereby increasing the capacity density of the secondary battery. In one embodiment, the secondary battery includes a bare cell having a cap plate and a protection circuit module on the bare cell and including a printed circuit board surface-contacting the cap plate. | 03-21-2013 |
20130344353 | SECONDARY BATTERY WITH PROTECTIVE CIRCUIT MODULE - A secondary battery with a protective circuit module including a rechargeable bare cell having a first electrode and a second electrode and a protective circuit module having a protective circuit for the rechargeable bare cell. A conductive bonding layer is located on the protective circuit module and a secondary protective element assembly is attached to the protective circuit module by the conductive bonding layer. A first lead plate electrically connects the secondary protective element assembly to the first electrode, and a second lead plate electrically connects the protective circuit module to the second electrode. | 12-26-2013 |