Abstract: An electricity storage module includes a storage cell group, first and second end plates, a first restraining band, a second restraining band, and at least one intermediate plate. The first restraining band is provided to face a first side surface of the storage cell group and is connected to the first and second end plates to restrain the storage cell group. The first restraining band includes a first flat surface, a first bent portion, and a second bent portion. The second restraining band includes a second flat surface, a third bent portion, and a fourth bent portion. The at least one intermediate plate is disposed at an internal position in the storage cell group in a stacking direction. The first and third bent portions or portions in vicinities of the first and third bent portions are connected to the at least one intermediate plate.

Abstract: A rechargeable battery includes: an electrode assembly; a case housing the electrode assembly; a cap plate closing and sealing an opening of the case; an electrode terminal at an outside of the cap plate with respect to the case, extending through an opening in the cap plate, and electrically connected to the electrode assembly; and an insulating member between the electrode terminal and the cap plate. The electrode terminal includes: a first plate terminal electrically connected to the electrode assembly; a second plate terminal spaced from the first plate terminal; and a fuse connecting the first plate terminal and the second plate terminal and being at least partially surrounded by the insulating member.

Abstract: A battery pack including a battery cell including an electrode assembly arranged within a can and an electrode terminal electrically connected to the electrode assembly, the can having an opening sealed by a cap plate, a top case attached to the battery cell at a top portion of the battery cell, the top case having an inner space and a protective circuit module including a protection circuit board arranged within said inner space of said top case and electrically connected to the electrode assembly, wherein the top case includes a top portion opposite from the electrode assembly and first and second pairs of opposed sides, the first pair of opposed sides having an edge, a portion of the edge has a recessed interference preventing portion, the recessed interference preventing portion corresponds to a location of a weld connecting an electrode tap to the electrode terminal.

Abstract: Disclosed herein is a battery module assembly including unit modules, each of which includes unit cells mounted to a cartridge in a state of being electrically connected to each other via bus bars, the battery module assembly including two or more sub-modules, each of which includes two or more unit modules vertically stacked from a ground to form a coolant flow channel at an interface therebetween, the unit modules being arranged in a lateral direction in a state of being spaced apart from each other to provide the coolant flow channel, and a module case, in which the sub-modules are received and fixed, the module case having a coolant inlet port, through which a coolant is introduced into the module case, and a cool outlet port, through which the coolant is discharged out of the module case, wherein the coolant flow channel is configured to have a structure in which a vertical sectional area of the coolant flow channel decreases toward the coolant outlet port.

Abstract: The specification discloses a battery cell having an intrinsic overcharge protection, a battery made with the battery cell, and a method for manufacturing the battery cell. The battery cell includes, in the following order, a positive electrode, at least one polymer film that is electrically conducting and has an ion conducting electrolyte distributed therein, a P-doped and electrically semi-conducting and ion conducting film, an N-doped and electrically semi-conducting and ion conducting film, and a negative electrode.

Abstract: A rechargeable battery includes an electrode assembly; a case housing the electrode assembly; and an electrode connection assembly electrically coupled to the electrode assembly, the electrode connection assembly including: a terminal; a current collector electrically coupled to the electrode assembly; an insulating member between the terminal and the current collector, wherein a portion of the insulating member is spaced from the terminal and the current collector; and a connection member electrically coupling the terminal and the current collector, the connection member including a fuse part, wherein the portion of the insulating member overlaps with the connection member.

Abstract: A structural improvement of an upper cover of an intelligent storage battery is provided. A circuit mounting area and a terminal mounting area are provided on the upper surface of its upper cover body. A cap covers the circuit mounting area. A LCD screen and a circuit board are mounted on an inner lateral surface of a to plate of the cap. A conductive adhesive tape is clamped between one end of the LCD screen and a corresponding lateral plate of the cap. A connection terminal in corresponding contact with the bottom of the conductive adhesive tape is arranged on the circuit board. The top plate inclines downward and outward. The inclined plate has a larger mounting area, and can accordingly be provided with a LCD screen which has a larger area; and the conductive adhesive tape is staggered with the edge of the circuit board.

Abstract: The present invention refers to a high-voltage battery for power supply, particularly of an automotive vehicle, comprising: an energy storage module with a plurality of electrochemical storage cells and a wall accommodating the plurality of storage cells, each storage cell comprising at least two electric connection terminals, and an upper part for contacting and covering the connection terminals, said upper part overlapping the wall in a contactless manner, so that a gap remains relative to the storage cells.

Abstract: A battery module includes a housing having an interior defined by multiple sides, one side of which is a lid. The battery module also includes lithium ion electrochemical cells disposed in the housing, each cell having a vent through which gases may be vented. Moreover, the battery module includes a first chamber defined by interior aspects of the housing. Furthermore, the first chamber receives vented gases directed in a first direction from the electrochemical cells. In addition, the battery module includes a surface of the first chamber. The surface is configured to direct the vented gases in a second direction. The battery module also includes a second chamber defined partially by the lid. The second chamber receives the vented gases from the first chamber and directs the vented gases from the housing.

Abstract: A window portion allowing the terminal of the cell to be inserted through is opened in the board holder, and projecting portions are provided projecting inward in the window portion in plural locations of the edge sides facing the window portion in the board holder. And the plural projecting portions in the board holder each decrease in cross-sectional size toward the tips of the plural projecting portions, the board holder is engaged in position by the tips of the plural projecting portions at least partially contacting the under surface of the terminal of the cell which is exposed to the sealing plate side without being covered by a gasket.

Abstract: Disclosed is a secondary battery frame with improved dimension management capability and a battery pack including the same. The secondary battery frame according to the present disclosure is used to package a pouch-type secondary battery, the secondary battery frame comprising a frame body comprising a top plate surrounding a circumferential area through which an electrode lead is exposed among a circumferential area of the pouch-type secondary battery, a left plate connected to a left edge of the top plate, a right plate connected to a right edge of the top plate, and a bottom plate connected to a bottom edge of the left plate and a bottom edge of the right plate; and a protrusion protrusively formed from at least one of the top plate, the bottom plate, the left plate, and the right plate in an outward direction of the frame body.

Abstract: A battery pack includes a battery cell having an electrode tab and a protective circuit module electrically connected to the electrode tab. The protective circuit module has a first surface in an assembling direction of the electrode tab and a second surface opposite the first surface. The electrode tab is separated from the first surface. Therefore, the battery pack has an improved connection structure between the battery cell and the protective circuit module, and short circuits can be prevented or substantially prevented.

Abstract: A rechargeable battery includes a case having an inner space, a first electrode assembly inside the case, a second electrode assembly inside the case, a current collecting member including a first current collecting piece electrically connected to an electrode of the first electrode assembly and a second current collecting piece electrically connected to an electrode of the second electrode assembly, the electrode of the second electrode assembly having a same polarity as the electrode of the first electrode assembly, a first terminal electrically connected to the first current collecting member and protruding outside the case, wherein the first current collecting piece and the second current collecting piece have different lengths.

Abstract: An iron based redox flow cell. The redox flow cell comprises a first half-cell comprising a first electrolyte providing a source of Fe2+ ions and an electrode disposed within the first half-cell; a second half-cell comprising a second electrolyte providing a source of Fe2+ and Fe3+ ions and an electrode disposed within the second half-cell; and a separator between the first and second half-cells, where (a) the second electrolyte comprises a Fe3+ stabilizing agent; (b) the first electrolyte comprises a hydrogen evolution suppressing agent; or (c) the first electrolyte comprises a hydrogen evolution suppressing agent, and the second electrolyte comprises a Fe3+ stabilizing agent.

Abstract: A battery pack includes: a core pack; a protection circuit module electrically connected to the core pack and including a connector for further electrically connecting to an external electronic device; and a metallic cover for covering the core pack and the protection circuit module while exposing the connector to the outside, the metallic cover including a protrusion adjacent to a ground portion of the connector.

Abstract: A modular, intrinsically-safe power module assembly is provided. The assembly includes a rigid conduit adapter configured to mount to a conduit of a field device. A housing, having an interior, is operably coupled to the rigid conduit adapter and is physically supported by the rigid conduit adapter. At least one non-rechargeable battery is disposed within the housing. Intrinsic safety circuitry is coupled to the at least one non-rechargeable battery, and is coupled to a connector that mates with a cooperative connector in the rigid conduit adapter.

Abstract: A battery pack includes one or more bare cells, a protective circuit module, and one or more terminals. The protective circuit module is electrically coupled to the bare cell. The one or more terminals are on a first surface of the protective circuit module. The one or more terminals are configured to be electrically coupled to an external device. In the battery pack, one of the terminals includes a support portion coupled to the protective circuit module, a pair of body portions extended in a direction away from the first surface of the protective circuit module at the support portion, and a plurality of extending portions extended in different directions from opposite sides of the pair of body portions. The extending portions extend parallel to the first surface of the protective circuit module.

Abstract: A battery pack includes a plurality of unit cells; a protective circuit module on the plurality of unit cells and coupled to the unit cells, and an upper cover on the protective circuit module and including openings defined in its sides. Each of the unit cells includes a can, an electrode assembly accommodated in the can, a cap plate coupled to the can, and a holder between the unit cell and the protective circuit module and including protrusions coupled to the openings of the upper cover. The unit cells are oriented side by side along a first direction such that the cap plates are exposed along the same direction, and the protective circuit module includes grooves defined in its sides and corresponding to the protrusions of the holder.

Abstract: Disclosed herein is a secondary battery pack including a cylindrical battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, an insulative mounting member having an opening, through which a cathode terminal of the battery cell is exposed upward, the insulative mounting member being configured to have a structure in which a protection circuit module (PCM) assembly is disposed at the top of the insulative mounting member, the insulative mounting member being mounted to the top of the battery cell, a PCM assembly including a PCM having an external input and output terminal formed at the top thereof and connecting members coupled to the bottom of the PCM, the connecting members being connected to a protection circuit of the PCM, and an insulative cap coupled to the top of the battery cell so that the insulative cap surrounds the PCM assembly in a state in which the external input and output terminal is exposed, wher

Abstract: Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and a protective coating layer applied to at least a portion of an outer surface of the battery case, the protective coating layer containing an electrically insulative polymer material.

Abstract: The present invention is to provide an apparatus and method for enhancing the safety of a secondary battery. The apparatus include a sensor part comprising a first sensor attached to the surface of a cell of the secondary battery to detect a movement of the cell, and a second sensor to detect a movement of a pack housing; a memory part for storing a critical value for a difference between a first measurement value obtained from the first sensor and a second measurement value obtained from the second sensor; and a controlling part for calculating a difference value between the first measurement value and the second measurement value and comparing the calculated difference value with the critical value stored in the memory part to stop the operation of the cell when the calculated difference value is greater than the critical value.

Abstract: A rechargeable battery includes: a plurality of electrode assemblies each including first and second electrodes; a case accommodating the electrode assemblies; a cap assembly coupled to the case and including a terminal; and a first current collector coupling the terminal with the first electrodes of the electrode assemblies. The first current collector includes a terminal connector coupled to the terminal and a plurality of electrode connectors, each of the electrode connectors being coupled to a respective one of the first electrodes, and a plurality of first fuses, each of the first fuses being between the terminal connector and a respective one of the electrode connectors and having a substantially constant cross section between the terminal connector and the respective one of the electrode connectors.

Abstract: A mobile device case having an ergonomic handle mounted thereon using a ball and socket assembly to permit the handle to retract, spin, and rotate 360-degrees. The ergonomic handle is also an external battery so that a user can charge the mobile device while holding the handle to prevent injury to the wrist and/or hands during prolonged use of the mobile device.

Abstract: A rechargeable battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, a first current collector plate electrically coupled to the first electrode plate and including a fuse, a second current collector plate electrically coupled to the second electrode plate, a case accommodating the electrode assembly, the first current collector plate, and the second current collector plate, a cap assembly sealing the case and including a cap plate, a first electrode terminal electrically coupled to the first current collector plate and a second electrode terminal electrically coupled to the second current collector plate, the first electrode terminal and the second electrode terminal passing through the cap plate, and an insulation cover surrounding a region between the cap plate and the electrode assembly, the region including the first electrode terminal and the fuse.

Abstract: There is provided a jelly-roll type electrode assembly. In the jelly-roll type electrode assembly including a cathode including a cathode active material coating layer and an anode including an anode active material coating layer, with a separation film interposed therebetween, and formed to be rolled, the jelly-roll type electrode assembly is characterized in that the anode and the cathode include uncoated portions, the uncoated portions are overlapped and include mirror images formed on a front surface and a rear surface, and the jelly-roll type electrode assembly is flexible in the uncoated portion. A pouch-type secondary battery, a battery pack and a device including the electrode assembly are provided. A flexible jelly-roll type secondary battery may be reversibly flexible while blocking the separation of an electrode active material from a current collector surface.

Abstract: An embodiment provides a battery cell, including: one or more contacts; a material providing output power to a device via the one or more contacts; and a tab element forming a part of a temperature cutoff mechanism; the tab element being thermally coupled to the material and conducting heat generated by the material; and the tab element being positioned proximate to a geometrically determined heat center. Other aspects are described and claimed.

Abstract: An overcurrent shut-off device according to an exemplary embodiment of the present disclosure includes a switching unit connected to both ends of a secondary battery, the switching unit being turned on by pressure caused by a swelling phenomenon occurring in the secondary battery, and a fusing unit, as a component installed on a path of an electric current flowing through the secondary battery, being ruptured when the switching unit is turned on, to interrupt the electric current flowing through the secondary battery. According to an aspect of the present disclosure, by a turn-on operation in response to a swelling phenomenon of a secondary battery caused by a short circuit and the like, a connecting component installed on a path of an electric current flowing through a secondary battery is ruptured quickly to interrupt an overcurrent, thereby ensuring safety of the secondary battery in use.

Abstract: A lithium ion secondary battery has a battery can, an electrode assembly in the battery can formed by rolling up a positive electrode, a separator, and a negative electrode, an organic electrolyte solution in the battery can, a positive electrode lead in the battery can connected to the positive electrode, a negative electrode lead in the battery can connected to the negative electrode, an overcharge preventer, a cap body sealing the battery can, a positive electrode terminal fixed to the cap body and connected to the positive electrode lead, and a negative electrode terminal fixed to the cap body and connected to the negative electrode lead.

Abstract: The present invention provides a temperature-regulating element (1) having a thermally conductive surface (3) and a thermally insulating surface (5), said temperature-regulating element comprising a metallic plate (7) having elevations (9), a main body (11) composed of plastic and two connection components (17a, 17b) comprised of plastic. At least one continuous channel (13) for receiving a temperature-regulating medium is formed between the metallic plate (7) and the main body (11), said at least one continuous channel extending from one end face (15a) to an opposite end face (15b) of the main body (11) and being connected to a temperature-regulating medium circuit by the connection components (17a, 17b). The temperature-regulating element (1) is designed such that the main body (11) at least partly surrounds the metallic plate (7).

Abstract: A battery module according to an exemplary embodiment of the present disclosure includes a plurality of cell cartridges including at least one battery cell having an electrode terminal and a molding case to receive the battery cell, the molding case having a plurality of coupling protrusions protruding outward, and a sensing module connected to the coupling protrusions to couple the plurality of cell cartridges, the sensing module having a voltage sensing terminal coming into contact with the electrode terminal by the coupling. According to one aspect of the present disclosure, a cost and time taken to manufacture the battery module may reduce by simplifying a connection structure of the plurality of battery cells, and simplifying a coupling structure between the battery cell and the sensing module installed to sense the voltage of the battery cell.

Abstract: A battery is disclosed for reducing the severity of thermal runaway. The battery includes an anode sheet, a cathode sheet, and a separator situated between the anode sheet and the cathode sheet. The anode sheet, cathode sheet, and separator may be put together in a jelly roll configuration. The battery also includes internal fuses that subdivide the anode sheet, cathode sheet, or both, into electrically separate areas. The fuses are activated during thermal runaway and isolate separate areas of the sheet, thus reducing the total energy available during thermal runaway and reducing the severity. The fuses may be positive temperature coefficient (PTC) fuses that conduct current at normal operating temperatures but stop conducting current at temperatures above normal operating temperatures. The fuses may be placed in the current collectors, or directly into the anode sheet and cathode sheet themselves.

Abstract: The present invention generally relates to electrodes, electrical storage devices comprising the electrodes, and methods for producing the electrodes and electrical storage devices. The electrodes comprise a current collector, an electrically conductive mat, and a first and second electroactive material, the first electroactive material having a higher energy density than the second electroactive material, and the second electroactive material having a higher rate capability than the first electroactive material. The electrically conductive mat provides a structural and conductive support for at least one of the high-rate and high-energy electroactive materials. The electrodes can be provided in various configurations and be used in high-rate high-energy electrical storage devices to provide improved cycle life.

Abstract: Disclosed herein is a secondary battery having a mechanical connection sensor, as a safety device, fixed to the outer surface of a prismatic or pouch-shaped battery cell while the mechanical connection sensor is set to OFF. The mechanical connection sensor is connected in series with a resistor having a predetermined resistance value and with a cathode and an anode of the battery cell. When the battery cell swells to a critical value or more due to the abnormal operation of the battery cell, the mechanical connection sensor is turned ON, and therefore, the mechanical connection sensor conducts with the result that the electrical energy of the battery cell is consumed at the resistor. In the secondary battery having the safety device according to the present invention, when the battery swells due to the abnormal response of the battery, energy accumulated in the battery is forcibly consumed, unlike a conventional battery that merely intercepts the current.

Abstract: The invention relates to a rechargeable battery pack, for use with an electrical hand tool device and which includes at least two series-connected rechargeable battery cells and/or rechargeable battery cell blocks, and an electronics unit having a printed circuit board, and wherein sheet metal conductors for electrically connecting the series-connected rechargeable battery cells and/or rechargeable battery cell blocks are provided, and wherein the sheet metal conductors are connected directly to the printed circuit board.

Abstract: An electric storage element has a casing, a power generating element arranged inside the casing, a current collector, and a connection member. The current collector is connected to the power generating element and directly fixed to the casing. The connection member penetrates through the casing without a clearance and is connected to the current collector.

Abstract: Provided are a cell capable of preventing damage to an insulating gasket by spatter scattered when a battery case and a cover plate are laser-welded together, and thereby ensuring sealability of a cell case and a method for manufacturing the cell. A shielding member is arranged between a weld line and at least a portion of the insulating gasket adjacent to the weld line. Since the shielding member blocks the spatter scattered toward the insulating gasket, the insulating gasket is not damaged by the spatter. The insulating gasket is not damaged, so that adhesion between the insulating gasket and the cover plate is not lowered, and the sealability of the cell case is ensured.

Abstract: A battery module may include a plurality of rechargeable batteries; a receiving member that inserts the rechargeable batteries; a protective circuit module that is fixed on the receiving member and that is electrically connected to the rechargeable batteries; a circuit connector that is connected to the protective circuit module and that has a plurality of terminals; and a battery connector that is electrically connected to the rechargeable batteries and that is coupled to the circuit connector.

Abstract: A semiconductor device includes at least a first semiconductor die and a second semiconductor die. The first semiconductor dies comprises a first and second side, and includes at least a first contact pad located on the first side of the first semiconductor die. The second semiconductor die comprises a first and second side, and includes at least a second contact pad located on the first side of the second semiconductor die, wherein the first semiconductor die is stacked on the second semiconductor die and wherein the first side of the first semiconductor die faces the first side of the second semiconductor die. At least one voltage-guided conductive filament is created between the first contact pad and the second contact pad.

Abstract: According to one embodiment, an electronic device includes a first member, a second member, and a third member. The first member includes: a first end; a second end; an opening opened on the first end and on the second end; a first support protruding from an inner circumferential face of the opening and including a first face facing toward the first end; and a second support protruding from the inner circumferential face at a position nearer to the second end than the first support, including a second face facing toward the second end portion, and being at a position offset from the first support in a direction from the first end toward the second end. The second member is supported by the first face of the first support. The third member is supported by the second face of the second support.

Abstract: In a battery pack (1), first and second battery stacks (3, 5) are connected to each other via a connection member (7), each battery stack being formed by arranging multiple individual batteries (11) in a row direction. The connection member (7) is formed by repeatedly connecting a first connection part (13) and a second connection part (15), the first connection part (13) extending from the first battery stack (3) to the second battery stack (5) in an orthogonal direction, in which one end portion (13b) thereof supports the first battery stack (3) and another end portion (13a) supports the second battery stack (5), the second connection part (15) extending from the end portion (13b) of the first connection part (13) on the first battery stack (3) side toward the second battery stack (5) in a direction oblique to the orthogonal direction in a plan view.

Abstract: A battery pack including a bare cell having an electrode assembly, a case housing the electrode assembly, and a plurality of electrode taps electrically coupled to the electrode assembly, each of the electrode taps having an electrode connection portion; and a plurality of electrode terminals each including a plurality of elastically deformable portions, wherein each of the electrode terminals is electrically coupled to one of the electrode taps, wherein the electrode connection portion of a respective one of the electrode taps is coupled between the elastically deformable portions of a respective one of the electrode terminals.

Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.

Abstract: A secondary battery including: an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; a safety device on the cap plate and including a first lead; and an electrode terminal electrically connecting the electrode assembly and the first lead, the cap plate including a conductive member and an insulating portion, and the first lead is supported on the insulating portion, and the conductive member and the insulating portion being integrally formed.

Abstract: A high voltage battery for vehicles includes an electrode tab that is divided into a first part placed near a battery cell, and a second part placed near a terminal. A first part extension extends from the first part and is fixed to a lower pouch. A second part extension extends from the second part, comes into contact with the first part extension, has elasticity, and is fixed at an upper end thereof to an upper pouch. A hook part extends from the first part extension and holds the second part extension by grasping an edge of the second part extension.

Abstract: Systems and methods of the invention relate to circuitry that isolates low power circuitry of a battery management system. One or more circuits can be utilized with a battery management system to provide isolation of low power circuitry from at least one of a high voltage, noise interference from a battery, noise interference from a high voltage, sensor signals, control signals, among others. The circuitry further provides high voltage from a grid to be stepped-down to a voltage level usable by circuitry, port(s), and/or a processor.

Abstract: A rechargeable battery including: an electrode assembly; a case accommodating the electrode assembly; a cap plate covering an opening of the case; an electrode terminal on the cap plate; and a lead tab connecting the electrode assembly to the electrode terminal, and including a fuse, the fuse including a plurality of sub-fuses defined along a width of the lead tab by a plurality of through holes formed in the lead tab.

Abstract: A negative-electrode active material disclosed herein contains a lithium titanate having a spinel structure, and satisfies the relationship B×P<50, where B is a specific surface (unit: m2/g) of the lithium titanate as measured by a BET technique; and P is obtained by immersing 1 g of the lithium titanate in 50 cm3 of redistilled water and determining a pH of the redistilled water after 30 minutes of agitation.

Abstract: 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.

Abstract: A secondary battery and a manufacturing method thereof, the secondary battery including a bare cell having an electrode terminal connected thereto; a protection circuit board (PCB) substrate; and a metal tab to connect the PCB substrate to the electrode terminal, disposed in an accommodating groove of the PCP substrate. The metal tab includes wing portions laid across the accommodating groove, a terminal contact portion that comes in contact with the electrode terminal, and curved portions disposed between the terminal contact portion and the wing portions.

Abstract: Disclosed herein is a middle or large-sized battery pack having a plurality of electrically connected battery modules, the middle or large-sized battery pack including an electrode terminal connecting device, wherein the electrode terminal connecting device includes a conductive connecting member coupled to electrode terminals of the battery modules to electrically connect the electrode terminals of the battery modules to each other and a shut-off cutter mounted to the conductive connecting member to shut off the circuit of the conductive connecting member when impact is applied to the battery pack in the longitudinal direction of the battery pack.