Abstract: Provided is a battery pack capable of advantageously maintaining conduction. In the embodiment of the battery pack disclosed herein includes a stacked body in which a plurality of unit cells are stacked in a predetermined stacking direction, and a housing that accommodates the stacked body. An insulating member having an insulating property is arranged inside the housing. Here, a positive-negative electrode joint in which at least a part of the positive electrode terminal of one unit cell and at least a part of the negative electrode terminal of the other unit cell are joined to each other is present between the unit cells adjacent in the stacking direction, and the positive-negative electrode joints are embedded with the insulating member in order to prevent a liquid from penetrating from the outside.

Abstract: A structure for a battery pack for supplying an electrically driven work appliance with electrical drive power has a number of cell holder parts. The number of cell holder parts is designed for holding battery cells. At least two cell holder parts are designed for arrangement together in a holding arrangement and, in the holding arrangement, for jointly holding the battery cells. The cell holder parts, in the holding arrangement, jointly form at least a predominant part of a filling mould. The filling mould is designed for filling with a protective material for enclosing at least a part of a battery pack electronics unit. Additionally or alternatively, the structure has at least one cast assembly, wherein the cast assembly unites one of the number of cell holder parts and at least one casted-in cell contactor. The cell contactor is designed for contacting at least one cell terminal of at least one of the held battery cells.

Abstract: A battery includes a battery cell stack disposed within a housing such that a gap exists between the battery cell stack and an inner surface of the housing. The battery cell stack includes a plurality of battery cells that each include a positive electrode tab and a negative electrode tab electrically coupled to an electrode assembly and extending from the electrode assembly outside of a case. The positive electrode tabs and/or the negative electrode tabs of the plurality of battery cells extend into the gap between the battery cell stack and the inner surface of the housing. A filler material fills the gap and provides a thermally conductive pathway between the positive electrode tabs and/or the negative electrode tabs of the plurality of battery cells and the inner surface of the housing. The filler material includes a thermally conductive particulate component distributed throughout a polymeric matrix component.

Abstract: A battery casing for accommodating at least one battery component in a battery casing volume, said battery casing having at least one plastic battery casing shell, which at least partly defines the battery casing volume, and at least one fastening device for attaching the battery component to the battery housing shell, the battery casing being characterized in that the battery casing shell includes at least one reinforcing structure which extends into the battery casing volume, and the fastening device is supported on the reinforcing structure. The present invention further discloses a traction battery for a motor vehicle and a motor vehicle having a traction battery.

Abstract: Provided are an interconnect board (ICB) assembly suitable for a battery module of horizontal stack structure including unidirectional battery cells stacked with cell leads facing each other, a battery module comprising the same and a method for fabricating the battery module. The ICB assembly according to the present disclosure includes an ICB frame in which cell leads of unidirectional battery cells are received such that the unidirectional battery cells having the cell leads at one end are placed facing each other with the cell leads facing each other, and busbars assembled in the ICB frame and electrically connected to the cell leads.

Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.

Abstract: This disclosure relates generally to high voltage power supply (HVPS) systems and battery assemblies for aircraft that use electrical propulsion systems. In one embodiment, an apparatus for safely venting battery cells in thermal runaway is provided. The apparatus includes: a mechanical support layer, the mechanical support layer configured to be attached to a battery assembly; and a vent flap layer attached to the mechanical support layer, the vent flap layer including vent flaps corresponding to battery cells in the battery assembly. Each vent flap includes one or more portions configured to deform to permit flow of gas from the battery cell corresponding to the vent flap.

Abstract: An energy storage module includes a plurality of battery cells, each including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of each adjacent pair of the battery cells; a cover member including an internal receiving space; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells, and opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a reference temperature, and including opening holes positioned to correspond to the ducts.

Abstract: A battery pack includes a battery cell stack formed by a plurality of stacked battery cells, a battery module housing configured to wrap the other outer surfaces of the battery cell stack excluding a first surface and a second surface, from which electrode leads protrude, a water tank configured to supply a coolant to the battery cell or the battery module housing, and a battery pack case configured to receive a plurality of battery module housings. The battery pack case includes a pack case space portion located adjacent to the first surface and a crossbeam located adjacent to the second surface, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Abstract: A rechargeable battery cell includes first and second electrode materials. A first collector defining a chamber array with a plurality of chambers is electrically connected to each other. A plurality of second electrode material and second collectors are positioned within each of the plurality of chambers. A first electrode material is positioned within the first collector to surround the second electrode material, with the second electrode material separated from the first electrode material by a separator.

Abstract: A battery pack, including: a plurality of battery cells, where each of the plurality of battery cells includes a top cover and a case, the top cover is hermetically connected on a top of the case, the case includes opposite first surfaces and opposite second surfaces, and an area of each first surface is larger than that of each second surface; and a lower housing, including a bottom plate disposed at a bottom, side plates disposed at sides, and an opening is disposed at an upper part, each of a pair of opposite side plates of the lower box is disposed with a reinforcing beam. At least one first surface of the plurality of battery cells is in contact with a side plate of the lower housing or the reinforcing beam.

Abstract: The present disclosure relates to a battery module and a battery pack including the same, and more particularly, to a battery module and a battery pack having the same, the battery module being formed in a heat transfer structure so that the temperatures of a plurality of battery cells are efficiently adjusted, and formed such that a heat transfer member is formed to have through holes so that the stability of the battery cells increases.

Abstract: An electric generator including a number of electric accumulators and at least one heat-sink device using a phase-change material configured to pick up the excessive thermal energy produced by one of the electric accumulators and change phase in order to absorb a large quantity of thermal energy in the form of latent heat.

Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.

Abstract: A high voltage battery protection pack according to one embodiment of the present invention includes an upper case including a coupling plate protruding along an outer circumferential surface of the upper case and a plurality of coupling holes formed in the coupling plate to be spaced apart from each other, a lower case in which a connecting plate having a shape corresponding to the coupling plate and including a weld groove formed by partial engraving is formed to protrude from an outer circumferential surface of the lower case, a weld nut which is disposed between the upper case and the lower case to maintain an axial force and is welded to the weld groove of the connecting plate, an assembly bolt which passes through the coupling hole of the upper case and is insertion-coupled to the weld nut, and a gasket which seals a space between the upper case and the lower case.

Abstract: A frame structure assembly kit is provided. The frame structure assembly kit includes: a bottom frame structure including a plurality of longitudinal bottom frames and a plurality of lateral bottom frames assembled into a grid or ladder, wherein a part of the longitudinal bottom frames and/or the lateral bottom frames bends or extends upward to form at least one guide for determining the position of each battery unit; a top frame structure including a plurality of top longitudinal frames and a plurality of top lateral frames assembled into a grid or ladder; and a plurality of pillars having a length corresponding to the height of the battery units for connecting four corners of the bottom frame structure to the respective four corners of the top frame structure into a rectangular housing capable of accommodating the battery units.

Abstract: The present disclosure provides an external cladding film, an energy storage device and electrical equipment. The energy storage device includes an external cladding film and a housing. The external cladding film includes two side film sections each having a first cut groove and a second cut groove. The first cut groove and the second cut groove both penetrate through the side film section. A bottom surface of the first cut groove and a bottom surface of the second cut groove are both spaced from inner edges of the side film sections. Each side film section has a first oblique crease and a second oblique crease. A first free end of the first oblique crease intersects with a side surface of the first cut groove. A distance between the first free end and the bottom surface of the first cut groove is greater than 0.

Abstract: A battery pack includes battery cell having a discharge valve opened when an internal pressure exceeds a set pressure, and case housing battery cell. Case has opening, and opening is blocked by porous plate made of resin. Porous plate has a plurality of through-holes, an expansion gap of a discharge gas is formed by stacking a plurality of the porous plates, through-holes provided in each of porous plates are arranged at non-facing positions not facing through-holes provided in adjacent another porous plate, and the discharge gas of the discharge valve passes through through-holes provided in porous plates and the expansion gap and is discharged to an outside of the case.

Abstract: The present invention provides a battery rack including: a housing; a plurality of battery modules stacked in the housing; and a connection member configured to electrically connect the plurality of battery modules, wherein each of the plurality of battery modules includes a plurality of battery submodules stacked on each other, and each of the plurality of battery submodules comprises: at least one cooling member; and a plurality of battery cells located on both sides with the at least one cooling member interposed therebetween, wherein at least two of the plurality of battery cells are located on each of both sides of the at least one cooling member.

Abstract: A battery pack is configured to be coupled to a power tool. The battery pack includes a housing having a cavity. The battery pack includes a battery cell carrier having first and second carriages. The first and second carriages support a plurality of battery cells therebetween. The battery cell carrier is configurable in different configurations based on a size of the plurality of battery cells supported between the first and second carriages. The battery pack includes a plurality of mounting features between the housing and the battery cell carrier. The plurality of mounting features is configured to alternatively secure the different configurations of the battery cell carrier to the housing.

Abstract: The present disclosure provides a battery pack, comprising: battery cells; a coolant tank for storing a coolant; a cooling circuit in communication with the coolant tank; a driving device for driving the coolant to flow; and a fire extinguishing pipeline connected to the cooling circuit; wherein, the fire extinguishing pipeline includes: a spraying pipe extending above the battery cells and forming an opening after being heated.

Abstract: Provided are a battery pack and a power consuming device. The battery pack includes a battery pack case and a plurality of battery cells accommodated in the battery pack case. An inner space of the battery pack case may be divided into a first region located at the center and a second region enclosing the first region. The plurality of battery cells include: at least one first battery cell disposed in the first region; and at least one second battery cell disposed in the second region. An internal resistance of the first battery cell and an internal resistance of the second battery cell increase with the decrease of a temperature.

Abstract: A battery module assembly includes a front frame and a rear frame installed on the front and rear surfaces of the cell assembly and configured to mold a bus bar for electrically connecting battery cells included in the cell assembly, a left end plate and a right end plate respectively covering both side surfaces of the cell assembly, an upper clamp and a lower clamp disposed over an upper portion and a lower portion of the cell assembly, respectively clamping an upper portion and a lower portion of each of the left end plate and the right end plate, and pressing both side surfaces of the cell assembly disposed between the left end plate and the right end plate, and a front cover and a rear cover covering the front frame and the rear frame. A long hole formed in an upper portion and a lower portion of the front cover and the rear cover, and a pipe disposed on an inner perimeter surface of the long hole.

Abstract: The present invention discloses a cylindrical waterproof battery box, including a box body, a compartment body, and a box cover. One end of the box body is provided with a mounting opening, the compartment body is configured to be mounted into the mounting opening and extend to an inner cavity of the box body, the box cover and the compartment body are assembled to form an external thread assembly portion, an internal thread portion is disposed in the mounting opening, and the external thread assembly portion is configured to be fitted with the internal thread portion.

Abstract: An electric vehicle battery pack with a thermal shield that protects internal components from, for example, battery ventilation, and in particular allows battery pack electrical components to be placed above venting ends of batteries. The thermal shield is positioned above the venting ends of one or more batteries, and various battery pack electrical components may be placed above the thermal shield. Gases and particulate matter from battery venting are thus intercepted and deflected by the thermal shield, instead of damaging battery pack electrical components. In this manner, various battery pack electrical components may be placed above battery venting ends without risk of damage. This allows for a more compact and versatile arrangement of battery pack components.

Abstract: A battery module has a reduced risk of secondary fire or explosion. The battery module includes at least two cell assemblies including a plurality of secondary batteries, a module housing having a gas passage on at least one of left side or right side of the cell assembly for circulation of gas generated from the cell assembly, and a flame retardant plate including a body interposed between the at least two cell assemblies, and a flame barrier extending in a left-right direction from at least one of left end or right end of the body and disposed in part of the gas passage.

Abstract: A battery module includes a module including a series of cell stacks, each having a series of unit cells arranged in a first direction, and an insulation member insulating at least one unit cell. The battery module also includes a module housing and a series of receiving parts in the module housing accommodating the cell stacks. Each receiving part includes a fixed wall around a respective cell stack and having a portion in contact with the cell stack. The fixed wall includes a pair of end walls at opposite ends of the receiving part in the first direction. The pair of end walls are configured to engage respective end surfaces of the corresponding cell stack in the first direction. The battery module also includes a cooling channel below a floor surface of the module housing for a coolant to flow to cool the receiving parts and the cells stacks.

Abstract: A power supply device has a structure in which a bind bar having bent pieces at both ends coupled to end plates disposed at both end portions of a battery stack is divided in a width direction of a side surface of the battery stack, the bent piece of each bind bar is bolted to an outer surface of one of the end plates, the one of the end plates is provided with a stopper wall that prevents rotation of a bent piece fixed with a single bolt, which is fixed to the one of the end plates via one bolt, and the bent piece is fitted to a stopper wall to prevent the displacement of the bind bar.

Abstract: A battery module includes a cell assembly including at least one battery cell, a module case accommodating the cell assembly, an upper frame positioned on one surface of the cell assembly in the module case to at least partially cover the cell assembly, a flexible printed circuit board configured to be mounted longitudinally on the upper frame to sense the battery cell, and a protective cover in which a main cover portion parallel to a main surface of the upper frame is mounted on the upper frame so as to cover the flexible printed circuit board in the module case.

Abstract: The present application provides a battery module, a battery pack and a vehicle, the battery module includes a battery and a frame assembly. The frame assembly includes two first splints, two second splints and a first strap. Each first splint includes a plurality of first connecting plates, and the plurality of first connecting plates are arranged side by side in a second direction. One of two adjacent first connecting plates is provided with a first positioning groove, and the other is provided with a first positioning protrusion, and the two adjacent first connecting plates are spliced and connected through a clearance fitting between the first positioning groove and the corresponding first positioning protrusion. This assembly method is simple and fast, which improves a grouping efficiency of the battery module.

Abstract: A battery box and a battery pack are provided. The battery box includes a box body, a cooling plate, and a stiffener. The cooling plate is connected with an outside of a wall plate of the box body, and the stiffener is connected with the box body and abuts against a side of the cooling plate away from the wall plate. The cooling plate is connected with the box body, the stiffener is connected with the box body, and the stiffener abuts against the side of the cooling plate away from the wall plate.

Abstract: A battery assembly for installation into a battery structural space of a transportation vehicle body having a battery housing accommodating a number of battery modules, wherein the battery housing has a smaller dimension along a vehicle longitudinal direction than the battery structural space, such that a free space is formed in the battery structural space, and wherein a shear panel element is provided as an areal bridging and stiffening of the free space.

Abstract: Described herein are swappable battery modules comprising immersion-thermally controlled prismatic battery cells and methods of operating thereof. A module comprises a tubular enclosure attached (e.g., glued) to different surfaces of the cells and forming two fluid channels with one side of the cells and two additional fluid channels with the opposite side. The module also comprises a first end plate, which is attached to the tubular enclosure and comprises two electrical terminals for connecting to an electric vehicle (EV) and/or external charger. The first end plate also comprises a first fluidic port (fluidically coupled with two fluid channels) and a second fluidic port (fluidically coupled to the remaining two fluid channels), both are configured to form fluidic coupling to the electric vehicle and/or the external charger. The module also comprises a second end plate that fluidically interconnects paid fluid channels from different cell sides.

Abstract: A power tool comprising a housing and a brushless direct-current (BLDC) motor disposed within the housing. The motor includes a stator and a rotor rotatable relative to the stator. The power tool is configured to generate a power output from the motor such that a quotient obtained by the power output measured in Watts (Wout), divided by an input measured in Volt-Amperes (Vain), and further divided by a diameter of the motor measured in meters (m), is greater than 10 Wout/Vain/m.

Abstract: An energy storage module includes a plurality of battery cells, each including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of each adjacent pair of the battery cells; a cover member including an internal receiving space; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells, and opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature, and including opening holes positioned to correspond to the ducts.

Abstract: This disclosure details battery assemblies for use within electrified vehicle battery packs. An exemplary battery assembly includes a grouping of battery cells and an array plate assembly contacting a portion of the battery assembly. The array plate assembly may embody a split panel design that includes an outer panel and an inner panel that are arranged to nest together. One or both of the outer panel and the inner panel may include an embossing pattern. Among various other advantages, the split panel design increases the stiffness of the array plate assembly without significantly increasing the overall package depth of the array plate assembly or the battery assembly.

Abstract: Provided is a battery pack capable of improving load resistance of a reinforcing part and protecting battery cells inside a case. The battery pack 100 includes a reinforcing part 30 that is in contact with a bottom wall 10e of the case 10. The reinforcing part 30 extends in one direction D1 along the bottom wall 10e, and has dimensions d1, d2 in directions orthogonal to the one direction D1 that are larger than thickness t of side walls 10a, 10b, 10c, 10d of the case 10 and of the bottom wall 10e. The reinforcing part 30 has a pair of end fixed parts 31 that are fixed to both ends of the battery module 20 in the one direction D1, and an intermediate fixed part 32 between the pair of end fixed parts 31 and fixed to the battery module 20 or the case 10.

Abstract: A battery assembly according to an exemplary aspect of the present disclosure includes, among other things, a first cell stack including a plurality of battery cells and a structural assembly including a first pocket sized and shaped to receive the first cell stack. The structural assembly is configured to assert a compressive load on the first cell stack and at least partially enclose the first cell stack.

Abstract: A battery enclosure and method for manufacturing the same from organosheet materials. The battery enclosure includes a top cover with crossbeams integrated therein by overmolding that secures to a bottom panel to enclose a space for containing components of a battery. The bottom panel includes overmolded structural ribs to provide strength and rigidity to the bottom panel. An outer cover removably secure the top cover to the bottom panel and includes a honeycomb structure to crush upon impact and protect the battery components. The method comprises forming each of the components of the battery enclosure from a mixture of organosheets, reinforcing members, and overmolded elements to reduce the weight and complexity of manufacturing for the battery enclosure.

Abstract: A method of producing a battery with a prismatic battery housing includes assembling a battery housing from two prefabricated housing parts, of which the first housing part includes at least a partial region of the element including the at least one through hole as well as at least a partial region of a second element, bordering on the element including the at least one through hole, and the second housing part includes all elements and/or partial regions of elements not part of the first housing part.

Abstract: A battery support structure for a vehicle includes a first peripheral member configured to be supported by a longitudinal section of a vehicle frame. A second peripheral member has an end surface that selectively attaches at an inside surface of the first peripheral member to enclose a corner section of a battery containment area. Prior to fixed attachment of the first and second peripheral members, a slip plane is defined between the end surface and the inside surface to adjust the second peripheral member along the first peripheral member to a predefined dimension of the battery containment area.

Abstract: A cooler for at least one electrical energy storage element, the cooler comprising at least one heat-transfer liquid circulation duct, the ends of which penetrate into manifolds. Each of the manifolds comprises a collector having at least one opening for introduction and passage of at least one duct, and a cover covering the collector in such a way as to define a volume, into which the at least one duct opens, for circulation of the heat-transfer liquid. The at least one duct and the cover are mechanically assembled with the collector. A manifold further comprises at least one seal disposed between the collector and the at least one duct, and also between the collector and the cover.

Abstract: A high energy density battery module may comprise a plurality of battery units. The battery units may be electronically coupled to at least one other battery unit and may further comprise a plurality of electrochemical battery cells. The battery units may comprise a cell retainer to fix cells in a predetermined arrangement comprising a first and second column of battery cells. The battery units may comprise protective wrapping of thermally insulating material woven between at least a portion of the first and second column of battery cells. An electrical contact may be may be disposed in or on each of the plurality of battery units.

Abstract: A power source assembly for an electric eVTOL aircraft comprising a battery pack. The battery pack further comprising an end panel, a plurality of high energy density battery modules, wherein each module comprises a plurality of battery units, further comprising a plurality of battery cells electronically coupled together, a cell retainer disposed in a predetermined arrangement comprising two columns, a protective wrapping of thermally insulating material woven between columns of battery units, and a terminal electronically disposed on the end panel electronically connected to each of the plurality of high energy density battery modules.

Abstract: An exemplary enclosure assembly includes, among other things, first and second pieces of an enclosure having an interior area. The first and second pieces are pressed vertically together at an interface. A gasket seal seals the interface at a position outside the interface relative to the interior area. An exemplary enclosure securing method includes, among other things, sealing an interface by compressing a gasket seal horizontally between first and second enclosure pieces of an enclosure that provides an interior area. The first and second pieces are pressed vertically together along the interface.

Abstract: An embodiment of the present disclosure provides a battery pack including: a plurality of battery modules each including at least one battery cell; a housing supporting the plurality of battery modules which are arranged side by side in a first direction, the housing including a support wall that covers at least one surface of the plurality of battery modules and a barrier wall that is placed between the plurality of battery modules; a compression member provided on the housing and pressing the plurality of battery modules; and a cover coupled to the housing and covering the plurality of battery modules and the compression member.

Abstract: The present invention provides a battery rack including: a housing; a plurality of battery modules stacked in the housing; and a connection member configured to electrically connect the plurality of battery modules, wherein each of the plurality of battery modules includes a plurality of battery submodules stacked on each other, and each of the plurality of battery submodules comprises: at least one cooling member; and a plurality of battery cells located on both sides with the at least one cooling member interposed therebetween, wherein at least two of the plurality of battery cells are located on each of both sides of the at least one cooling member.

Abstract: The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a casing wherein the battery is placed, a cooling plate located below the casing in a height direction, and a bracket assembly located below the cooling plate in a height direction and fixedly connected to the casing, the bracket assembly is used for direct contact with a mounting plate of the electric vehicle. When the battery pack of the present disclosure is used in an electric vehicle, since the bracket assembly separates the cooling plate from the mounting plate of the electric vehicle, the cooling plate does not need to directly exchange heat with the mounting plate, thereby reducing the influence of the temperature of the mounting plate on the cooling plate, and increasing the cooling or heating efficiency of the cooling plate to the battery inside the casing.

Abstract: An energy storage module includes a plurality of battery cells, each including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of each adjacent pair of the battery cells; a cover member including an internal receiving space; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells, and opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature, and including opening holes positioned to correspond to the ducts.

Abstract: The present disclosure provides a structural member for a vehicle. The structural member comprises a plurality of finned spar members interlocked with one another, wherein each finned spar member of the plurality of finned spar members includes a main body, a plurality of web members extending from a flange of the main body, a circuit board formed on the main body, and a bus bar comprising a tube positioned in an opening formed in the main body, the bus bar being in electrical communication with the circuit board, wherein a compartment is formed between adjacent web members, the compartment being sized to receive a battery.