Patent application number | Description | Published |
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 |
20080241654 | Polymer battery pack - A thin polymer battery pack that can withstand a strong external impact includes: a pouch type bare cell having an exposed electrode tab: a circuit electrically coupled to the electrode tab of the pouch type bare cell; a frame case covering an upper part of the pouch type bare cell where the circuit is arranged, two short side parts having a narrow width connected to the upper part of the pouch type bare cell, and a lower part of the pouch type bare cell, two long side parts of a broader width than the two short side parts connected to an exposed upper part of the pouch type bare cell, and a reinforcement label having a metal layer to attach as a single body to both long side parts and the lower part of the pouch type bare cell. | 10-02-2008 |
20080254359 | RECHARGEABLE BATTERY - A rechargeable battery is provided including a bare cell having a can. The can has an electrode assembly. The electrode assembly has an electrode terminal withdrawn from one surface of the bare cell. A circuit is electrically coupled to the bare cell. The circuit includes a charge-discharge circuit and an antenna circuit. A case is connected to the electrode terminal for receiving and covering the circuit. An antenna assembly is on an outer surface of the bare cell. The antenna assembly includes a line antenna for receiving a radio frequency signal. The line antenna is coupled to the antenna circuit. | 10-16-2008 |
20090081539 | Battery pack - A battery pack increases coupled strength of a protection circuit module and an outer case, and realize a compact battery pack by physically coupling the protection circuit module coupled to a bare cell and the integral outer case by an adherent member. The battery pack includes a bare cell; a circuit module arranged on an upper surface of the bare cell and electrically coupled to the bare cell; an outer case integrally formed so as to cover a pair of short side surfaces and the upper surface of the bare cell including the circuit module, and coupled to the circuit module; and a label attached to the pair of the short side surfaces, a pair of long side surfaces and a lower surface of the bare cell. At least one protrusion part may be integrally formed an outer side surface of said circuit module. At least one tapered part may be integrally formed with said outer case. | 03-26-2009 |
20090087692 | Rechargeable battery - A secondary battery having a hard case that is integrally formed to be able to reduce the number of parts and the fabrication process. The secondary battery includes at least one bare cell, a circuit part electrically coupled to the at least one bare cell and a case covering the circuit part coupled to the at least one bare cell, wherein the case includes a main case arranged on a first surface of the at least one bare cell and at least one sub case arranged on at least one different surface of the at least one bare cell that is adjacent to the first surface of the at least one bare cell, each of the at least one sub case being integral to the main case. | 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 |
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 |
20090111018 | BATTERY PACK - A battery pack to improve assembling reliability in a battery with a cover frame. The battery pack according to the present invention includes a rechargeable battery having at least one rounded lateral side; a cover frame including a frame surrounding each of lateral sides of the rechargeable battery, wherein more than at least one groove is formed at both ends of the frame covering the rounded lateral side of the rechargeable battery. Therefore, it is possible to couple the cover frame to the rechargeable battery via the groove without deforming the cover frame. Also, the rounded battery and the rounded cover frame closing each other is an effect that assembly error of a battery to cover frame can be reduced. | 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 |
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 |
20090186261 | Rechargeable battery - A rechargeable battery. The rechargeable battery is constructed with a bare cell, a protective circuit board electrically connected to the bare cell, a lead plate located between the bare cell and the protective circuit board, and a combining case covering an upper end of the bare cell, the protective circuit board and the lead plate. The lead plate is constructed with a first plate electrically connected to the protective circuit board, a second plate electrically connected to the bare cell, and an inside bending part connected between the first plate and the second plate. The first plate of the lead plate is bent around the inside bending part at 180 degrees such that the bare cell is coupled with the protective circuit board in parallel. Therefore, a distance between the bare cell and the protective circuit is reduced, and the capacity per volume of the rechargeable battery is increased. | 07-23-2009 |
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 |
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 |
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 |
20110014502 | SECONDARY BATTERY WITH ENHANCED CONNECTION OF PROTECTION CIRCUIT UNIT TO CAP PLATE - In the secondary battery, a lead plate is provided so as not to overlap the position of the sealing unit of the electrolyte injection hole to enhance the fixation of the lead plate to the upper surface of the cap plate of a cap assembly. The position of a connection terminal of a protective circuit unit corresponds to the position of the lead plate and together with the connection terminal shape the connection terminal is prevented from being exposed to the outside during hot-melt molding. | 01-20-2011 |
20110129719 | Battery Pack and Battery Pack Stack - A battery pack includes battery cells, each including a first conductive terminal and a second conductive terminal, the battery cells being arrayed from a first side to a second side of the battery pack. A first conductive tab electrically connects the first conductive terminals of the battery cells to each other, a second conductive tab electrically connects the second conductive terminals of the battery cells to each other, a first conductive external terminal is electrically connected to a side of the first conductive tab and is configured to be electrically connected to an external device, and a second conductive external terminal is electrically connected to a side of the second conductive tab and is configured to be electrically connected to the external device. A battery pack stack includes battery packs, each including a first conductive external terminal and a second conductive external terminal, the battery packs being arrayed from a first end to a second end of the stack. A first conductive external tab includes a first contact at the first end for electrically connecting the first conductive external terminals to each other, and a second conductive external tab includes a second contact at the second end for electrically connecting the second conductive external terminals to each other. The first and second contacts are connected to an external device. | 06-02-2011 |
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 |