Patent application number | Description | Published |
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 |
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 |
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 |
20090117412 | Rechargeable battery - In a rechargeable battery, a case is combined with an upper surface of a bare cell by being fixed to a lead plate electrically coupling a protection circuit board of a protection circuit module to the bare cell. Alternatively, the case is combined with the bare cell by being fixed to the protection circuit board so as not to be separated from the bare cell, thereby improving the reliability of the products. | 05-07-2009 |
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 |
20090305117 | BATTERY PACK - A battery pack includes a bare cell having a coupling groove and a protection circuit electrically coupled to the bare cell. A coupler has a first end attached to the protection circuit and a second end defining a coupling hole, the second end contacting the bare cell. A fastener is combined to the coupling groove through the coupling hole; wherein the coupler includes an elastic region for elastically supporting the fastener and the bare cell. | 12-10-2009 |
20100136422 | Secondary battery with improved capacity and installation convenience - A secondary battery includes a bare cell having an electrode terminal and a cap plate, and a protective circuit module protecting the bare cell. The protective circuit module includes a first module positioned on an upper surface of the bare cell, a second module positioned on a lower surface of the bare cell and having a charge/discharge terminal, and a third module positioned on a side surface of the bare cell and electrically connecting the first module to the second module. | 06-03-2010 |
20100143788 | Secondary battery - A secondary battery including a bare cell, a protection circuit module electrically coupled to the bare cell, and a holder between the bare cell and the protection circuit module, wherein the protection circuit module includes a flexible printed circuit board having an upper and a lower surface, a charging/discharging terminal on the upper surface of the flexible printed circuit board and a protection circuit unit on the lower surface of the flexible printed circuit board opposite to the charging/discharging terminal, and the holder is disposed on the protection circuit unit on the lower surface of the flexible printed circuit board. | 06-10-2010 |
20100151280 | SECONDARY BATTERY - A secondary battery includes a bare cell and a protection circuit module electrically connected to the bare cell. The protection circuit module includes a flexible printed circuit board including a circuit board body and a terminal-forming portion providing a first external terminal and a second external terminal and a support member to which the terminal-forming portion is attached, the support member having a support surface spaced from the circuit board body. | 06-17-2010 |
20100178536 | Battery pack - The present invention relates to a battery pack including a bare cell for charge/discharge of an electric current; a protection circuit board electrically connected to the bare cell and protecting the bare cell against overcharge/discharge thereof; a connector serving as a current path between the bare cell and an external apparatus; a cover frame disposed on the bare cell to cover the protection circuit board; and a connector housing where the connector is disposed and which is exposed to the outside of the cover frame. The assembly strength of the battery pack is improved due to solid mounting of the connector housing on the protection circuit board and non-separable connection of the connector housing and the cover frame. | 07-15-2010 |
20100261041 | Rechargeable battery - In a rechargeable battery, a case is combined with an upper surface of a bare cell by being fixed to a lead plate electrically coupling a protection circuit board of a protection circuit module to the bare cell. Alternatively, the case is combined with the bare cell by being fixed to the protection circuit board so as not to be separated from the bare cell, thereby improving the reliability of the products. | 10-14-2010 |
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 |
20110064975 | Rechargeable Battery - In a rechargeable battery, a case is combined with an upper surface of a bare cell by being fixed to a lead plate electrically coupling a protection circuit board of a protection circuit module to the bare cell. Alternatively, the case is combined with the bare cell by being fixed to the protection circuit board so as not to be separated from the bare cell, thereby improving the reliability of the products. | 03-17-2011 |
20110086243 | BATTERY PACK - A battery pack is disclosed. An embodiment of the battery pack includes a bare cell, wherein the bare cell comprises a terminal; a circuit module coupled with the bare cell, wherein the circuit module comprises a protective device; and a cover disposed over the circuit module and coupled with the bare cell; wherein the circuit module comprises a through-hole, the cover comprises a protrusion, the protrusion engages with the through-hole, and the through-hole enables welding of the protective device of the circuit module to the terminal of the bare cell through the through-hole. | 04-14-2011 |
20110091747 | BATTERY ASSEMBLY - The embodiment provides a battery assembly or pack that can fix a coupling tap to an exact position by closely adhering a plurality of bare cells without flowing when the plurality of bare cells are welded with the coupling tap. The battery assembly according to the embodiment includes: a plurality of bare cells that have electrode terminals formed on upper surfaces thereof; an internal frame that receives the plurality of bare cells and has an internal terminal exposing part that exposes the electrode terminals; and a coupling tap that is seated on the internal terminal exposing part of the internal frame to couple the plurality of electrode terminals, wherein a rib hanger that fixes the coupling tap is further formed on the upper of the internal frame. With the constitution as described above, defects of a product are reduced, making it possible to improve productivity. | 04-21-2011 |
20110300412 | Battery pack - A battery pack including a bare cell, the bare cell including a first surface, a second surface, a pair of short side surfaces, and a pair of long side surfaces; a circuit module on the first surface of the bare cell, the circuit module being electrically connected to the bare cell; and a frame covering a portion of the bare cell including the circuit module thereon, wherein the frame has a protrusion part at interior portions of side surfaces thereof, the protrusion part being coupled to the short side surfaces of the bare cell. | 12-08-2011 |
20120015216 | BATTERY PACK - A battery pack includes a plurality of secondary batteries fixed in a frame to be enclosed by an outer frame. The battery pack includes at least first and second battery cells having an electrode terminal and a frame surrounding a periphery of the first and second battery cells. The frame has at least one opening corresponding to the electrode terminal of the first and second battery cells. | 01-19-2012 |
20120045666 | BATTERY PACK - A battery pack having a holder case capable of preventing short-circuit between a cap plate and an electric terminal, instead of a washer, thereby increasing a coupling force between the holder case and a bare cell while minimizing the volume of the battery pack. The battery pack includes a bare cell including an electrode assembly, a can accommodating the electrode assembly, and a cap assembly for finishing an upper opening of the can, a holder case including a bottom portion covering one side surface of the bare cell, first and second support portions formed at first and second sides of the bottom portion, and an insulating portion fixed while covering a portion of a cap plate forming the cap assembly, a protection circuit module coupled to an upper portion of the holder case, and a cover case fixed to one side surface of the bare cell while covering the holder case and the protection circuit module. | 02-23-2012 |
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 |
20120208046 | Battery Pack - A battery pack having a cover frame configured to be tightly coupled to the four side surfaces of a bare cell. The cover frame includes a rectangular cell receiving part framed by four frame parts, wherein each of the four frame parts include a support section for supporting the lower case of the bare cell, and three of the frame parts include ribs supporting the upper case of the bare cell, wherein a fourth one of the frame parts includes tab receiving grooves supporting the electrode tabs extending from the bare cell. The cover frame further includes a protection circuit module receiving part adjacent to, and separated from the cell receiving part by the fourth one of the frame parts. | 08-16-2012 |
20120208078 | Battery Pack - A battery pack including an external case having improved strength to protect a bare cell is provided. The battery pack includes a bare cell, a cover plate attached to one of long side surfaces that are widest planes of the bare cell, and an external case including a resin portion and a reinforcement plate and accommodating both the bare cell and the cover plate, wherein the resin portion surrounds sides of the reinforcement plate. | 08-16-2012 |
20120214023 | BATTERY PACK - Disclosed is a battery pack including guide recesses inside a case. The battery pack includes a core pack including a bare cell, and a protective circuit member electrically connected to the bare cell, a case accommodating the core pack, and an upper cover covering the core pack. The case includes a base plate, reinforcement plates vertically extending from edges of the base plate, and a resin part surrounding the reinforcement plates. A guide recess is disposed inside the resin part. | 08-23-2012 |
20120251856 | Battery pack - A battery pack includes a battery cell; a case housing the battery cell; and an adhesion sheet surrounding at least a portion of an exterior surface of the case, wherein the adhesion sheet includes a base part and an adhesion part, the base part having a bending line corresponding in position to an edge of the case, and the adhesion part being on a bottom surface of the base part and including air exhaustion paths. | 10-04-2012 |
20120270074 | BATTERY PACK - An embodiment of the present invention provides a battery pack comprising a plurality of battery cells; a protective circuit module coupled to at least two battery cells; and a case accommodating the battery cells and the protective circuit module, wherein the two battery cells are disposed on a surface of the case, and the protective circuit module is disposed between the two battery cells on the surface of the case. | 10-25-2012 |
20130062952 | BATTERY PACK - The battery pack that recognizes operation voltage of a corresponding device according to a unique resistance of the connected device and sensed through a third external terminal of the battery pack, the battery pack having a plurality of cells that can be coupled in series or in parallel to be suitable for an operation voltage of the corresponding device. The battery pack can be sold to a consumer to enable the consumer to power a variety of different electrical appliances. Alternatively, the battery pack can be incorporated into a chassis of an electrical apparatus so that the battery pack can be sold to many different manufacturers of electrical appliances. | 03-14-2013 |
20130122329 | RECHARGEABLE BATTERY PACK - A rechargeable battery pack may be used with a protection circuit module in common for serial or parallel connection of unit cells. The rechargeable battery pack may include a plurality of unit cells for forming a rechargeable battery by providing an electrode assembly to a pouch, a protection circuit module electrically connected to the unit cells, and a connector connected to the protection circuit module. The protection circuit module may include a serial protection circuit for electrically connecting the unit cells in series and a parallel protection circuit for electrically connecting the unit cells in parallel. | 05-16-2013 |
20130130065 | RECHARGEABLE BATTERY PACK - A rechargeable battery pack includes a plurality of unit cells adjacent to each other along a first direction in a pouch, the pouch having a terrace portion at one side surface, and a vertical portion on and perpendicular to the terrace portion, a protection circuit module (PCM) electrically connected to the unit cells, the PCM including a concave groove, and the vertical portion of the pouch fitting into the concave groove, and an adhesion member connecting the PCM and the terrace portion of the pouch, the adhesion member including a separation portion configured to concavely separate and fit the vertical portion of the pouch. | 05-23-2013 |
20130202916 | BATTERY PACK - A battery pack includes a first bare cell and a second bare cell having positive electrodes electrically connected to each other at a first node and negative electrodes electrically connected to each other at the second node, a first protective device connected between the positive electrode of the first bare cell and the first node, and a protective circuit module electrically connected between the first bare cell and second bare cell. | 08-08-2013 |
20140017522 | PROTECTIVE CIRCUIT MODULE FOR SECONDARY BATTERY AND BATTERY PACK USING THE SAME - A protective circuit module for a secondary battery. The protective circuit module includes a circuit board. At least one protection control circuit element for preventing overcharge and over-discharge of the secondary battery is mounted on the circuit board. A first conductive pad is coupled to the circuit board. A positive temperature coefficient device is between the at least one protection control circuit and the first conductive pad such that when a secondary battery temperature reaches a threshold value, resistance of the positive temperature coefficient device is increased and battery current is reduced. | 01-16-2014 |
20140178715 | BATTERY PACK - A battery pack includes a bare cell; a cap plate coupled to the bare cell; and a protective circuit module on the cap plate, wherein the protective circuit module includes a first printed circuit board and a second printed circuit board on the first printed circuit board. | 06-26-2014 |
20140220390 | RECHARGEABLE BATTERY PACK - A rechargeable battery pack configured to prevent a frame from being damaged due to external impact forces while insulating a protection circuit module from short circuit is described. In an exemplary embodiment, the rechargeable battery pack may include a plurality of unit cells made up of a rechargeable battery connected to a frame which accommodates and supports the unit cells and having a loading portion sandwiched between the unit cells. The rechargeable battery pack may further comprise an electrically insulating holder connected to a loading portion, and a protection circuit module electrically connected to the unit cells and installed into the holder. | 08-07-2014 |
20150064507 | BATTERY PACK - An embodiment of the present invention provides a battery pack comprising a plurality of battery cells; a protective circuit module coupled to at least two battery cells; and a case accommodating the battery cells and the protective circuit module, wherein the two battery cells are disposed on a surface of the case, and the protective circuit module is disposed between the two battery cells on the surface of the case. | 03-05-2015 |