Abstract: The present application provides a fire-fighting apparatus, a box assembly, a battery, a power consumption apparatus, and a method for preparing a battery. The fire-fighting apparatus includes: a pipe, a gas release mechanism, and a blocking structure. The pipe has an air inlet end and an air outlet end, and the air inlet end is configured to be connected to the battery, so that a combustible gas generated in the battery during thermal runaway events is capable of entering the pipe from the box via the air inlet end and being discharged from the pipe via the air outlet end; and the gas release mechanism is configured to be connected to the pipe and release a fire-fighting gas into the pipe when thermal runaway occurs in the battery; and the blocking structure is configured to block the combustible gas and the fire-fighting gas and change a flow direction.

Abstract: A portable electronic device may include a housing, a display at least partially within the housing, a transparent cover over the display, and a battery at least partially within the housing. The battery may include a battery cell, a pouch encasing the battery cell, and a gas release relief system including a gas-permeable membrane configured to prevent liquid from escaping the pouch and a valve configured to selectively release gas from the pouch. The device may also include a processing system configured to, in a first mode of operation, cause the valve to open to allow gas to be released from the pouch, and, in a second mode of operation, cause the valve to close.

Abstract: A battery and an electronic device are disclosed.

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 ?m to 7 ?m in which a ratio D50/DSEM of a 50% particle size D50 in volume-based cumulative particle size distribution to the average particle size based on electron microscopic observation is in a range of 1 to 4, and a ratio D90/D10 of a 90% particle size D90 to a 10% particle size D10 in volume-based cumulative particle size distribution is 4 or less.

Abstract: The present application provides a battery pack and a power consuming device powered by the battery pack. The battery pack includes a battery pack cavity and a plurality of battery cells received in the battery pack cavity. An interior space of the battery pack cavity can be divided into a first region with a temperature change rate of K1 and a second region with a temperature change rate of K2, where 0.066?K1?0.131 and 0.034?K2?0.066, K1 and K2 being expressed in ° C./min. The plurality of battery cells include at least one first battery cell arranged in the first region, and at least one second battery cell arranged in the second region. The battery pack of the present application can reduce or avoid the cask effect at low temperature and improve the energy retention rate at low temperature.

Abstract: A capacitance sensor may be positioned to detect size changes in objects. The sensor may be constructed with to use mutual capacitance or self-capacitance to detect the size changes.

Abstract: A charging control apparatus includes a battery, an electric charge mover, and a processor. The battery includes multiple cells. The electric charge mover is configured to move electric charge between the multiple cells. The processor is configured to, upon charging the battery, cause the electric charge mover to move the electric charge of one or more cells serving as a part of the multiple cells to another one or more cells of the multiple cells, and perform a partial charging that charges the one or more cells serving as the part of the multiple cells after causing the electric charge mover to move the electric charge.

Abstract: A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.

Abstract: A method of controlling a temperature of metal-air battery apparatus includes measuring the temperature of the metal-air battery apparatus to obtain the temperature and a temperature deviation of the metal-air battery apparatus, comparing the measured temperature and the temperature deviation of the metal-air battery apparatus with a preset temperature and a preset temperature deviation, respectively; and adjusting the temperature of an inlet module or a main module when the measured temperature of the metal-air battery apparatus is less than the preset temperature or the temperature deviation of the metal-air battery apparatus is greater than the preset temperature deviation.

Abstract: In a battery pack having a housing, battery modules composed of a plurality of battery cells, acquisition units equipped with slave antennas, and a monitoring device equipped with a parent antenna, the monitoring device and the acquisition units perform wireless communication to obtain battery information such as a state of change of each battery cell. A radio wave absorption part is formed on at least one of surfaces of the housing and an inside part of the housing. The radio wave absorption part absorbs a part of radio waves emitted from the parent antenna and the slave antennas.

Abstract: An accumulator may include a housing with at least two mutually opposite housing walls, accumulator cells arranged between the housing walls and following one another in a stacking direction, and at least one intermediate piece arranged in the housing between at least one of the accumulator cells and one of the housing walls and that retains the accumulator cells in the housing. At least one intermediate piece may be configured as a mutable intermediate piece in such a way that the mutable intermediate piece may be changeable between a first state having a first thickness extending in a spacing direction between the associated housing wall and the associated at least one of the accumulator cells, and a second state having a second thickness extending in the spacing direction, wherein the second thickness may be greater than the first thickness.

Abstract: In a power supply device, a plurality of battery modules are connected in series, the plurality of battery modules including fuse connected in series with battery. In the power supply device, fuse included in the plurality of battery modules is fast-blow fuse.

Abstract: Embodiments of this application disclose a rechargeable battery monitoring system, a battery pack, and an electric vehicle. The rechargeable battery monitoring system includes multiple CMCs, a BMU, and a first bus. Each CMC is connected to the first bus and configured to monitor at least one battery module of a battery pack. The BMU is connected to the first bus and configured to communicate with at least one CMC. The rechargeable battery monitoring system further includes multiple pull-up and/or pull-down modules disposed on a communication path between two adjacent CMCs as part of the first bus. This rechargeable battery monitoring system can stabilize a level on the communication path between the two adjacent CMCs, mitigate an impact caused by external interference onto communication, and improve communication quality.

Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other, and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.

Abstract: An apparatus mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, and two films, wherein one side of each of the two films is respectively attachable to one of the pair of side covers of the frame, and another side of each of the two films is respectively attachable to one of two side surfaces of the battery cell stack, wherein, when the support member and the frame move toward each other, the two films are movable into the frame, and the battery cell stack is movable along the two films to be mounted to the frame.

Abstract: A battery module according to an embodiment of the present invention includes: a battery stack in which a plurality of battery cells including a cathode tab and an anode tab are stacked; a first bus bar assembly including a first bus bar connecting cathode tabs and anode tabs located at one end of the battery stack; and a second bus bar assembly including a second bus bar connecting cathode tabs and anode tabs located at the other end of the battery stack. The first bus bar assembly or the second bus bar assembly may include a venting part including at least one venting knife which protrudes from the first bus bar or the second bus bar toward the battery cell, such that stability of the battery module may be improved.

Abstract: A terminal case configured to effectively estimate the life or degradation of a secondary battery as the secondary battery degrades includes a housing that can be coupled to the secondary battery, a plurality of normal mode terminals disposed on a first surface of the housing and a plurality of measurement mode terminals disposed on a second surface of the housing. The housing is configured to be coupled to the secondary battery with either the first surface or the second surface facing the secondary battery, such as by rotation of the housing about an axis passing through a center of two surfaces of the housing that are parallel to one another and perpendicular to both the first and second surfaces of the housing.

Abstract: Methods and devices optimize backup power management for network devices connected to backup power sources including two different batteries. Machine learning techniques are used to predict upcoming power outages affecting the network device based on power-related historic information and current conditions. A backup-power operation plan prescribing usage of the backup power sources during the predicted power outages is then generated. The backup-power operation plan schedules a battery among the backup power devices to be used at least twice without being recharged.

Abstract: A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connector. The connector is electrically connected to the voltage sensor, and the connector is adapted to be removably connected to a battery, thereby providing an electrical connection between the voltage sensor and the battery. An electrical circuit is completed between the voltage sensor and the battery and the voltage sensor. The connection mechanism includes part of an electrical lock and key assembly.

Abstract: Described methods and systems provide in-situ leakage current testing of battery cells in battery packs even while these packs operate. Specifically, an external electrical current is discontinued through a tested battery cell using a node controller, to which the tested battery cell is independently connected. Changes in the open circuit voltage (OCV) are then detected by the node controller for a set period time. Any voltage change, associated with taking the tested cell offline, is compensated by one or more other cells in the battery pack. The overall pack current and voltage remains substantially unchanged (based on the application demands), while the in-situ leakage current testing is initiated, performed, and/or completed. The OCV changes are then used to determine the leakage current of the tested cell and, in some examples, to determine the state of health of this cell and/or adjust the operating parameters of this cell.

Abstract: An aircraft with increased crash robustness including a fuselage with a forward end, an opposite rear end, a ventral surface, and a dorsal surface. The aircraft further including a longitudinal axis running from the rear end to the forward end and a dorsoventral axis orthogonal to the longitudinal axis and running from the dorsal surface to the ventral surface. The aircraft also including at least a battery module located within the fuselage comprising a plurality of battery cells, each battery cell includes an axial axis positioned orthogonally to each of the longitudinal axis and the dorsoventral axis, and each battery cell has a plurality of radial axes orthogonal to the axial axis, wherein the plurality of radial axes includes a first radial axis aligned with the longitudinal axis and a second radial axis aligned with the dorsoventral axis.

Abstract: The present invention relates to a secondary battery in which a conductive cover, which is electrically connected to a case and has a flat part, is formed at an upper end of the case so as to facilitate welding of an electrode tab and enable space utilization to be maximized. According to one embodiment, disclosed is a secondary battery comprising: an electrode assembly; a case for accommodating the electrode assembly; a cap assembly which is coupled to an upper part of the case so as to seal the case, and has a terminal part; and a conductive cover which is coupled to an upper part of the case and fixed to a lateral plate of the case.

Abstract: A power tool comprising a housing, an interface configured to receive a battery pack, a trigger for user control of power tool operation, at least one sensor configured to measure an operational characteristic of the power tool, and a controller. The controller is configured to receive a control signal from the trigger, control the power tool in response to the control signal, receive power tool operational data from the at least one sensor indicative of the operational characteristic of the power tool, and provide additional energy to the power tool via an auxiliary energy supply within the power tool housing based on the operational characteristic of the power tool.

Abstract: A battery module includes a box-shaped housing case that is open at an upper side and that does not include a hole formed in a side wall, a battery stack that includes plural battery cells stacked along a horizontal direction and that is housed inside the housing case, and a shim that is disposed between the battery stack and the housing case so as to press the battery stack along the stacking direction of the battery cells in a state in which the battery stack is housed inside the housing case.

Abstract: An apparatus may store at least one object including at least one top end and at least one bottom end. The apparatus may include a container configured to store the at least one object and a pouch containing a liquid. The pouch may be configured to substantially cover the at least one top end of the at least one object when stored inside the container. The pouch may be configured to contact the at least one top end of the at least one object and to open when contacted by contents expelled from the at least one object due to thermal runaway.

Abstract: There is disclosed an electrical device and a method in which a battery is warmed up when operating from a sub-zero temperature. The electrical device may include a battery; an electrical storage element; and a battery management system including a controller in electrical communication with the battery and the electrical storage element. The controller can be configured to execute a program stored in the controller to shuttle energy between the battery and the electrical storage element until a power capability threshold of the battery has been reached, Shuttling the energy raises a temperature of the battery to meet power demand.

Abstract: The present disclosure provides a battery detection device. The detection circuit is disposed on the battery and produces an impedance value variation quantity according to a deformation of the battery. The detection circuit includes four connection nodes. The first connection node and the third connection node are connected with the battery. A voltage variation quantity is produced between the second connection node and the fourth connection node according to the impedance value variation quantity. The protection circuit is connected with the second connection node and the fourth connection node. The protection circuit is in an ON state when the voltage variation quantity is greater than or equal to a cut-off voltage. The protection circuit is in an OFF state when the voltage variation quantity is less than the cut-off voltage, so that an operation state of the battery is changed accordingly.

Abstract: A fuel cell system column includes a first terminal plate connected to a first electrical output of the column, a second terminal plate connected to a second electrical output of the column, at least one first fuel cell stack located in a middle portion of the column between the first terminal plate and the second terminal plate, and at least one electrical connection which is electrically connected to the middle portion of the column and which is configured to provide a more uniform fuel utilization across the first column.

Abstract: A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: conductor layers and protective layers to form a multiple-layered structure of wiring patterns; a band-shaped main strip to be located to extend in a stacking direction of cells; and a band-shaped branch strip branched from the main strip. The branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a connection portion disposed closer to an end of the branch strip than the bent portion and connected to the corresponding busbar. The bent portion has a thin-layer portion having a shape formed by removing, from the flexible circuit board, a part of the protective layers corresponding to a part of the conductor layers without being used as the wiring pattern in the branch strip.

Abstract: An electrode body of a secondary battery described herein includes: a core portion where electrode mixture layers of a plurality of electrode sheets are laminated; terminal connecting portions where respective current collector foil exposed portions are laminated, and a mixture layer non-facing portion where the electrode mixture layer faces the current collector foil exposed portion, the mixture layer non-facing portion being formed in a boundary between the terminal connecting portion and the core portion. In the secondary battery described herein, a short-circuit promoting portion having a predetermined depth (d) is formed in a separator provided between the electrode sheets in the mixture layer non-facing portion.

Abstract: The disclosure provides an electric energy storage device which includes four energy units with a substantially same voltage value. Each energy unit is provided with a positive electrode and a negative electrode. The electric energy storage device comprises a socket with eight independently arranged electrode terminals that are connected with the four energy units. The disclosure also provides an electric tool system using the electric energy storage device. The electric tool is provided with plugs that may be connected with the four energy units in different states, allowing the electric energy storage device to output multiple voltages.

Abstract: A redox flow battery system includes an anolyte having a first ionic species in solution; a catholyte having a second ionic species in solution, where the redox flow battery system is configured to reduce the first ionic species in the anolyte and oxidize the second ionic species in the catholyte during charging; a first electrode in contact with the anolyte, where the first electrode includes channels for collection of particles of reduced metallic impurities in the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte. A method of reducing metallic impurities in an anolyte of a redox flow battery system includes reducing the metallic impurities in the anolyte; collecting particles of the reduced metallic impurities; and removing the collected particles using a cleaning solution.

Abstract: Systems and methods for operating a lithium-ion battery high-voltage distribution system architecture are disclosed. A battery pack includes: a plurality of lithium-ion battery cells; a disconnect mechanism operable in an operational position between a battery bus and the plurality of lithium-ion battery cells and a bypass position between the battery bus and a bus-power pass through; and a battery management system. The battery management system is configured to monitor battery pack performance; and responsive to detecting a triggering event in the battery pack performance, cause the disconnect mechanism to be in the bypass position.

Abstract: A battery, particularly for a motor vehicle, including at least two battery cells, wherein at least one circuit branch is connected to a respective positive pole and negative pole of the respective battery cell, which includes a heating unit, which can be connected in parallel to the respective battery cell by a switching element of the circuit branch; and a control device, which is configured to switch the switching elements of the respective circuit branch between an electrically conductive and an electrically blocking state in order to heat the battery cells, perform active balancing of the battery cells, and/or discharge the battery cells. The invention furthermore relates to a method for operating a battery.

Abstract: Disclosed herein is a system including a computer programmed to actuate a plurality of drones to first establish one or more electrical connections therebetween and then to provide a jump start to a vehicle.

Abstract: The present disclosure relates to the technical field of assembly of a battery pack, and particularly, to a battery pack. The battery pack includes a housing. A plurality of cells is arranged in interior of the housing. A structural adhesive is filled between a bottom of the housing and the plurality of cells, and the plurality of cells is adhered to the housing through the structural adhesive. In the battery pack provided in the present disclosure, the cells are arranged in the interior of the housing, and the housing is adhered to the cells through the structural adhesive. The structural adhesive can functions as fixing the cells, such that a frame structure of a module can be omitted, the number of components in the battery pack can be reduced, manufacture process can be reduced, assembling efficiency can be improved, and manufacturing cost can be reduced.

Abstract: A battery module includes an output electrode base and an end plate, and the output electrode base is inserted into and fitted to the end plate. A first limiting element is disposed on the output electrode base, a limiting plate is disposed on the end plate, and the first limiting element is fitted to the limiting plate. A stop hole is provided in one of the output electrode base and the end plate, and a second limiting element is disposed on the other. The second limiting element is accommodated in the stop hole; and the second limiting element is fitted to the stop hole. The first limiting element is fitted to the limiting plate and the second limiting element is fitted to the stop hole to limit the relative movement of the output electrode base and the end plate.

Abstract: A battery system has a battery cell including a can, and a ceramic substrate, including a patterned metallized surface, mounted to the can via a thermally conductive adhesive. The battery system also has a monolithic integrated circuit that measures and transmits data about the cell mounted to the patterned metallized surface such that the ceramic substrate and monolithic integrated circuit are electrically isolated from one another.

Abstract: Provided are a secondary battery and a battery pack including the secondary battery. A sealing plate has a positive electrode terminal attachment hole. A positive electrode terminal penetrates the positive electrode terminal attachment hole. An external conductive member is connected to a portion of the positive electrode terminal located on the battery outer side with respect to the sealing plate. The conduction path between a positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. A first insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. A second insulating member having higher thermal resistance than the first insulating member is disposed between the external conductive member and the sealing plate.

Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal; an electrode assembly comprising a main body and a first electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating piece arranged on the first connecting piece to prevent direct physical contact between the first electrode tab and the first electrode terminal connecting portion by covering at least an edge of the first electrode terminal connecting portion.

Abstract: An energy storage module, particularly a solid state battery, an energy storage system, a vehicle and a method for measuring an electrical voltage on an energy storage module or on an energy storage system is based on two stacked and series-connected energy storage cells, each have an anode layer and a cathode layer. A contact, which is electrically connected to an anode layer located within the stack of a first energy storage cell and to a cathode layer located within the stack of a second energy storage cell, which is adjacent to the first energy storage cell, leads out of the stack such that at least one contact can be contacted from outside the stack.

Abstract: A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

Abstract: A traction battery of a motor vehicle includes a battery housing, and a plurality of battery modules which are arranged in the battery housing. Each battery module has a module housing and battery cells which are accommodated in the respective module housing. At least one particle sensor and/or at least one gas sensor are/is arranged in the battery housing.

Abstract: A method for calculating a short-circuit current of a battery. includes: obtaining an integral state of charge and a current state of charge of the battery; calculating a first difference based on the integral state of charge and the current state of charge; calculating the short-circuit current of the battery based on the first difference; obtaining a first real state of charge and a second real state of charge; updating the first real state of charge and the second real state of charge based on a temperature-impedance table and the short-circuit current of the battery; calculating a second difference based on the updated first real state of charge and the updated second real state of charge; and updating the short-circuit current of the battery based on the second difference.

Abstract: A battery management device and a mobile terminal are disclosed. The battery management device includes: a charging unit; a battery unit including at least two batteries; a power supply management circuit; and an isolation unit configured to communicate one or more of the batteries with the power supply management circuit and block the backward flow of current between batteries. The charging unit, the battery unit, the isolation unit and the power supply management circuit are successively connected.

Abstract: A metal-air battery apparatus includes an inlet module and a main module each having a metal-air battery cell structure including a positive electrode and a negative electrode. The inlet module and the main module are electrically controlled and independently controlled from each other, and a channel through which a fluid such as air flows is defined between the inlet module and the main module. A temperature of the inlet module and a temperature of the main module are independently controlled by adjusting a discharge current density or by charging or a temperature adjustor.

Abstract: A bus bar module includes a circuit body, a bus bar, a holder, and a cover configured to be assembled to the holder to protect the circuit body and the holder. The circuit body includes a belt-like main line that extends in a first direction, a belt-like branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position closer to a distal end of the branch line than a folded portion the branch line. The cover is structured so as to be stretchable and shrinkable in the first direction in accordance with a stretching and a shrinking of the holder in the first direction.

Abstract: There is provided a battery system including parallel-connected bus bars each connecting the plurality of prismatic battery cells in parallel, and a safety mechanism configured to be capable of interrupting a current path of prismatic battery cells connected in parallel by the parallel-connected bus bars, where the sealing plate of one of the prismatic battery cells convexly deforms due to a rise in an internal pressure of this prismatic battery cell when an abnormality occurs, the sealing plate that has convexly deformed comes into contact with the parallel-connected bus bars to form external short circuitry between the electrode terminals that are positive and negative of one prismatic battery cell connected in parallel to the prismatic battery cell with the abnormality, and external short circuitry activates the safety mechanism that interrupts a current flowing into the prismatic battery cell with the abnormality.

Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly includes: a cap plate including a main portion and a convex portion, wherein the main portion includes a first surface, a second surface and an electrode lead-out hole; an electrode terminal including an extension portion that extends beyond a hole wall of the electrode lead-out hole and extends in a circumferential direction of the electrode lead-out hole to form a ring structure, and the extension portion is arranged on a side of the first surface away from the second surface; and a sealing ring at least partially disposed between the extension portion and the main portion, wherein the convex portion is disposed on the second surface and around the electrode lead-out hole and has a thickness of 0.01 mm to 2 mm, a top surface of the convex portion extends out of the second surface.

Abstract: A battery control device, which controls a battery, including cell blocks connected in series in which battery cells are connected in parallel, to execute voltage equalization of the cell blocks, includes a detection unit that detects voltage between positive and negative electrodes of each cell block, a voltage equalization circuit that includes a plurality of discharge units in which at least one discharge element and a switching element are connected in series, and a control unit that controls the switching elements to equalize the voltages of the cell blocks. The discharge units are connected between the positive and negative electrodes of the cell blocks, respectively. The control unit controls the switching elements at a predetermined timing to execute discharge of the cell blocks, and determines whether there is an abnormality in the cell blocks based on voltage differences between the cell blocks before and after the discharge.