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 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: 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: 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 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: 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 module includes first and second modules each including a series of cell stacks, each including 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, a coupling part on the module housing configured to couple the module housings of the first and second modules together, 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 at least a portion that is in contact with the respective cell stack. The coupling part includes a connector configured to electrically connect the module housings of the first and second modules together.

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: A power supply device includes battery cells each having a rectangular external shape, a separator disposed between the battery cells, a pair of end plates that are disposed on respective ends of a battery assembly in which the separator and the battery cells are stacked, and a bind bar that binds the pair of end plates. The separator has insulating rib parts that protrude from both surfaces of the separator, and the insulating rib parts of the separator stacked on each surface of the battery cell are stacked on each other on a bottom surface of the battery cell. The insulating rib parts are stacked on each other on the bottom surface of the battery cell by inserting an insertion rib provided in one of the stacked insulating rib parts into an insertion groove provided in the other of the stacked insulating rib parts.

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.

Abstract: A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced.

Abstract: A battery pack includes: a battery cell including a terminal surface on which an electrode terminal is located, a bottom surface opposite the terminal surface, and a lateral surface between the terminal surface and the bottom surface; a first tank facing the terminal surface of the battery cell; a second tank extending from the first tank and facing the lateral surface of the battery cell; and a third tank extending from the second tank and facing the bottom surface of the battery cell, and a cavity is defined in the first and second tanks to extend across the first and second tanks, the cavity being filled with a first cooling medium and being fluidically isolated from an outside of the battery pack; and a flow path is defined in the third tank to receive a flow of a second cooling medium which is different from the first cooling medium.

Abstract: A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.

Abstract: An energy storage device includes: a battery rack fixedly installed in a building or a container and having a partitioned space; and a plurality of battery modules installed in the partitioned space of the battery rack, wherein each of the plurality of battery modules is inserted into the battery rack in a sliding manner, wherein a front surface of each of the plurality of battery modules is fixed to the battery rack with a bolt, and wherein a rear surface of each of the plurality of battery modules is fixed to the battery rack with a hook.

Abstract: A secondary battery pack comprises a battery and a protection circuit module (PCM), a pair of electrodes of the battery being connected to a protection circuit board (PCB) forming part of the PCM such that the electrode connections are located on a face of the PCB other than a major face that receives PCM components thereon. In some embodiments, the PCM components are mounted on one of a pair of major faces of the PCB, the electrode connections being located on the opposite one of the major faces. In other embodiments, the electrode connections are located on a peripheral edge face that extends transversely between the pair of major outer faces of the PCB. The spatial arrangement of the electrode connections and the PCM components on the PCB is such that substantially the entirety of one major outer face of the PCB is available for the placement of PCM components.

Abstract: The invention relates to a dual detector with a detection head (10), comprising:—a platform (11) and—an induction sensor fastened to the platform (11) and comprising a transmitter coil (12) and a receiver coil (13), the transmitter coil (12) and the receiver coil (13) each forming a loop, the loop of the transmitter coil (12) overlapping the loop of the receiver coil (13) at least partially so as to form a coupling zone (14), the coupling zone (14) being elongated in a first longitudinal direction defining a first axis (X1), the handle (20) extending in a plan (P1) normal to the platform (11) and the first axis (X1) of the coupling zone (14) being transverse to this plane (X1).

Abstract: The secondary battery cells are disposed in parallel in such postures that side surfaces of cylindrical shapes face each other in an internal space of a housing case, and are separated from each other with a longitudinal partition plate interposed between the secondary battery cells. A pair of ribs are provided on an inner surface of the housing case to hold the longitudinal partition plate. The longitudinal partition plate disposed between the pair of ribs is held in the housing case. A gap between the pair of ribs and the longitudinal partition plate is filled with a flame-retardant adhesive material.

Abstract: The present disclosure relates to the technical field of energy storage devices, and in particular, to a battery module and a battery pack. The battery module includes: a plurality of battery cells stacked in sequence, the plurality of battery cells being provided with vents; and a circuit board arranged above the plurality of battery cells. The circuit board is provided with a temperature sensing device, and a position of each of the temperature sensing device corresponds to positions of the vents. The temperature sensing device is connected to a battery management system to form a circuit, and the circuit is disconnected when any one of the vents is blasted.

Abstract: A battery system includes a first battery cell including a first electrode terminal and a second electrode terminal, a connector configured to be electrically connected to the first electrode terminal, and a first circuit board detachably provided above the connector and configured to monitor a battery characteristic of the first battery cell. The connector includes a base including a terminal hole configured to be connected to the first electrode terminal and having a first plane, a connecting portion configured to be connected to the first circuit board and having a second plane non-planar with the first plane, and a stepped portion between the base and the connecting portion.

Abstract: A battery pack includes: a first secondary battery cell and a second secondary battery cell each having a cylindrical shape and connected in series and/or in parallel with each other; a housing case; and a longitudinal partition plate having a thermal insulation property, and disposed at an interface between the first secondary battery cell and the second secondary battery cell housed in the internal space of the housing case. The longitudinal partition plate constitutes a first thermal insulator that projects from a side facing the side surface of the cylindrical shape of the first secondary battery cell, and constitutes a second thermal insulator that projects from a side facing the side surface of the cylindrical shape of the second secondary battery cell.

Abstract: An integrated cooling assembly includes a cooling assembly and a valve assembly. The cooling assembly has a first interface and a second interface. The valve assembly includes a connecting block and a valve core assembly. The connecting block has at least a mounting hole for mounting the valve core assembly, and a first port and a second port in communication with the mounting hole. The second port is located on an inner end surface of the connecting block. The inner end surface faces the cooling assembly. The first interface is in communication with the second port. The valve assembly comprises a first fluid channel. One end of the channel is the first port of the connecting block, and the other end is the second port. A channel passage area of the first fluid channel switches between zero and a specified passage area of the first fluid channel.

Abstract: An electrical connection comprises a first conductor and a second conductor electrically connected to the first conductor. The first conductor has a first contact section with a first contact face laterally delimited by a first side face. The second conductor has a second contact section with a second contact face surrounded by a rim having a second side face. The second side face limits a contact space above the second contact face and the first contact face is arranged on the second contact face. A reservoir space is arranged between the first side face of the first contact face and the second side face of the rim, the reservoir space surrounds the first contact face and a sealing material is arranged in the reservoir space. The sealing material forms a sealing ring that seals an interface between the first contact face and the second contact face.

Abstract: Battery packs according to some embodiments of the present technology may include a first longitudinal beam and a second longitudinal beam. The battery packs may include a plurality of cell blocks disposed between the first longitudinal beam and the second longitudinal beam. The plurality of cell blocks may include first and second cell blocks each characterized by a first side surface proximate the first longitudinal beam, a second side surface, a third side surface proximate the second longitudinal beam, and a fourth side surface. The battery packs may include a first interface material thermally coupling the first side surface of the first cell block with the first longitudinal beam. The battery packs may also include a second interface material thermally coupling the third side surface of the second cell block with the second longitudinal beam.

Abstract: A storage battery unit includes: a battery module having a plurality of cells, and a module circuit connected to (i) an electric power line and (ii) a communication line; a unit circuit connected to (i) the module circuit by the electric power line and the communication line, and (ii) an electric power conversion device disposed externally; and a casing that accommodates the battery module and the unit circuit. The casing includes a top plate, a bottom plate, and a front plate respectively disposed on a top surface, bottom surface, and front surface of the storage battery unit. The top plate includes a first top plate portion that substantially covers an entirety of the top surface. The front plate includes a first lateral plate portion that substantially covers an entirety of the front surface, and a fixing component. The fixing component is disposed along the first top plate portion.

Abstract: A vehicle structure of a frame vehicle includes a central frame portion, a front-side frame portion, and a rear-side frame portion as a frame. A first section of the front-side frame portion from a connecting portion (a rear end portion) to a central frame portion through a portion supporting a front suspension, and a second section of the rear-side frame portion from a connecting portion (a front end portion) to the central frame portion through a portion supporting a rear suspension are formed so as to be symmetrical to each other in the front-rear direction with respect to the central frame portion. The front and rear suspensions are attached to the front-side and rear-side frame portions, respectively, so that the front and rear suspensions are symmetrical to each other in the front-rear direction with respect to the central frame portion.

Abstract: Aircraft spars with integrated power cells, and associated systems and methods are described. A representative aircraft wing spar includes a spar body extending in a spanwise direction, and having a plurality of apertures also extending in a spanwise direction, with individual apertures positioned to receive multiple electrical power cells.

Abstract: The present disclosure relates to battery cabinets and other power or electronic apparatuses comprising batteries, more particularly, to a tray configured to expand to accommodate different orientations of one or more batteries. A tray configured to contain one or more batteries, comprising a primary base; a secondary base; a first sidewall; a second sidewall; a back wall; a first vertical extension; and a second vertical extension; wherein the primary base is disposed on top of and aligned with the secondary base, wherein the first sidewall and the back wall are coupled to the primary base, wherein the second sidewall is coupled to the secondary base, wherein the back wall is perpendicular to the first sidewall and the second sidewall, wherein the first vertical extension is coupled to the first sidewall, and wherein the second vertical extension is coupled to the second sidewall.

Abstract: An electrical energy storage apparatus and a method of preparing the same. The electrical energy storage apparatus includes a first energy storage device arranged to supply electrical energy to an external electrical load; a second energy storage device arranged to recharge the first energy storage when at least a portion of the second energy storage device is exposed to air. The second energy storage device includes an encapsulation arranged to selectively block an air exposure to the second energy storage device, so as to maintain the second energy storage device in an idle state.