Abstract: The present disclosure provides an angular battery with enhanced protection of an electrode body. The present disclosure provides an angular battery including an electrode body and a battery case that accommodates the electrode body. The battery case is configured of a substantially U-shaped case body that has a rectangular bottom surface and a pair of long side surfaces provided integrally with the bottom surface and facing each other, and a substantially U-shaped lid body having an upper lid facing the bottom surface and a pair of short side surfaces provided integrally with the upper lid and facing each other. The electrode body is attached to the lid body. In the angular battery, the case body and the lid are joined to each other to form a state in which the electrode body is accommodated inside the battery case.

Abstract: A pack case includes: a first wall pressing a battery stack toward a second side in a stacking direction; and a second wall pressing the battery stack toward a first side in the stacking direction. At least one of the first wall and the second wall is a panel structure wall including a first metal plate, a second metal plate located outward of the first metal plate in the stacking direction and faces the first metal plate, and an interposed member interposed between and fixed to the first metal plate and the second metal plate. The interposed member has a lower density than a metal forming the first metal plate and the second metal plate.

Abstract: A battery module according to an embodiment includes: a cell structure configured by stacking a plurality of secondary battery cells; a frame including at least one opening and configured to accommodate the cell structure in an inner space thereof through the opening; and a side plate covering the opening and including a protection cover disposed between the cell structure and the frame to cover the cell structure, wherein the protection cover may include a convex edge toward the inside of the cell structure.

Abstract: A battery electrolyte solution is that includes an organic electrolyte solution, a lithium-sulfur (Li2S) compound, soluble lithium polysulfide (Li2Sx) microparticles, and a redox mediator comprising a soluble quinone derivative.

Abstract: A battery system. The battery system includes a plurality of identically oriented battery cells, whose longitudinal axes are situated in parallel, a first busbar, and a second busbar. The first busbar and the second busbar are situated along the particular longitudinal axes on the same side of the battery cells, respective positive poles of the battery cells being connected to the first busbar with the aid of first bond connections, and respective negative poles of the battery cells being connected to the second busbar with the aid of second bond connections.

Abstract: The present invention provides a secondary battery including an insulating plate which enables easy gas discharge and is not broken at high temperature. For this purpose, disclosed is a secondary battery comprising: a case including a space therein through an opening; at least one electrode assembly inserted into the space of the case; an insulating plate formed at an upper part of the electrode assembly; and a cap plate which is coupled to the opening of the case and includes a vent, at least one region of which has a thinner thickness than other regions, wherein the insulating plate includes a plurality of gas discharge holes disposed at a region corresponding to the vent.

Abstract: A battery module includes a plurality of battery cells, and a module case configured to accommodate the plurality of battery cells, the module case being filled with an insulating oil therein to a predetermined height. The insulating oil fills the inside of the module case in an amount covering an entire volume of the battery cells, and the insulating oil is disposed so as to be spaced apart from an inner wall of one side of the module case by a predetermined distance.

Abstract: This application relates to a battery pack including a battery cell, a circuit board configured to collect state information about the battery cell, and a connection line configured to transmit the state information about the battery cell to the circuit board and including a link line and a board connection pad. The link line extends from a side of the battery cell toward the circuit board, and the board connection pad extends from a first end portion, to which the link line is connected, and is coupled to the circuit board while facing the circuit board. The board connection pad includes outer soldering portions formed in an outer region of the board connection pad and concave toward the outside of the board connection pad and a gas discharge hole formed in a closed loop shape in an inner region of the board connection pad.

Abstract: In a battery cooling structure for a vehicle, a battery including a plurality of cell groups arrayed in a vehicle body front-and-rear direction. Each cell group includes a plurality of cuboid cells that are arrayed in a thickness direction of the cells. Each cell includes a positive terminal provided at one side wall extending in a short side direction of the cell and a negative terminal provided at another side wall extending in the short side direction. The positive terminals of one of the cell groups and the negative terminals of another of the cell groups, which cell groups are adjacent in the vehicle body front-and-rear direction, oppose one another in plan view.

Abstract: The present invention relates to a secondary battery capable of improving venting pressure distribution. A secondary battery including an electrode assembly, a can member that accommodates the electrode assembly, and a top cap assembly that covers an opening of the can member. The top cap assembly includes a top cap positioned at the uppermost portion and a safety vent part positioned below the top cap. The safety vent part includes a rupture portion that is ruptured when an internal pressure within the can member equals or exceeds a predetermined pressure, a rupture notch portion that defines a boundary of the rupture portion, and a bending notch portion which is spaced apart from the rupture notch portion toward a center of the rupture portion on a bottom surface of the rupture portion, and the bending notch portion is bent when the internal pressure within the can member increases.

Abstract: The present disclosure provides a flow battery module for improving energy efficiency of flow battery during dynamic load conditions. The flow battery module comprises a plurality of stacks connected in any or a combination of parallel and series. One or more pumps are configured to circulate electrolyte to the stack where ion exchange between the electrolyte occurs and a current is generated. A series of switches are configured between the flow battery and an external load or source. Based on the load or charging power stacks can be electrically and fluidically isolated thereby decreasing parasitic power consumption and self-discharge current, and as a result improving energy efficiency.

Abstract: The present disclosure discloses a flow battery system and a large-scale flow battery energy storage device. The flow battery system comprises multiple flow batteries; each of the flow batteries comprises a battery pack A, a battery pack B, a battery pack C, and a set of electrolyte circulation system used by the battery pack A, the battery pack B and the battery pack C; the battery pack A, the battery pack B and the battery pack C comprised in each flow battery are independent of each other in the circuit. According to the present disclosure, at least two sets of electrolyte circulation system are saved under the same power scale, such that the system stability is improved while the cost is reduced.

Abstract: Various embodiments include a storage device for electrical energy, the device comprising: a rechargeable battery; two terminals to connect the battery to at least one of: a supply network, an electrical load, and/or an electrical generator; a control unit to control charging and discharging of the battery; a communication interface configured to provide wireless data access; and a display of machine-readable code including authentication data enabling wireless data access.

Abstract: The utility model discloses a rechargeable battery including a cover and a main body, the main body being connected to the cover on which a negative end is disposed, and the body being provided with a positive end; the main body including an interface, a first housing and a second housing, the first housing being connected to the second housing, and the interface being connected to the first housing, wherein the first housing and the second housing are buckled to form an accommodating space, and the interface which is a male connector outwards extends from the inside of the accommodating space. The negative electrode of the rechargeable battery is provided with the cover; a user can perform charging via the interface by opening the cover to expose the interface disposed therein; and the interface is the male connector which can be directly plugged in an electronic product with a receptacle.

Abstract: A battery module is provided. The battery module comprises a plurality of battery cells. Each battery cell comprises a first electrical terminal and a second electrical terminal. The battery module further comprises at least one bi-metallic busbar, e.g., at least one first busbar. The at least one first busbar comprises a metallic part, e.g., a first aluminum part, electrically coupled to the first electrical terminals of a first group of the plurality of battery cells. The first busbar further comprises another metallic part, e.g., a first copper part. The first copper part comprises a first interface part electrically coupled to the first aluminum part. The first copper part comprises a first terminal part configured to be electrically coupled to a conductor external to the battery module.

Abstract: A pouch-type secondary battery includes: an electrode assembly in which a positive electrode, a separator, and a negative electrode are laminated; and a pouch configured to accommodate the electrode assembly, wherein the pouch includes: a surface protection layer made of a first polymer and formed at an outermost layer; a sealant layer made of a second polymer and formed at an innermost layer; a gas barrier layer made of a first metal and laminated between the surface protection layer and the sealant layer; and a metal foil layer made of a second metal, laminated between the surface protection layer and the sealant layer, and connected to the negative electrode of the electrode assembly.

Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first circuit board defining a plurality of apertures through the first circuit board. The batteries may include a battery stack overlying the first circuit board and electrically coupled with the first circuit board. The battery stack may include a plurality of battery cells. The battery stack may define a plurality of apertures axially aligned with a corresponding aperture through the first circuit board. The batteries may include a second circuit board that defines a plurality of apertures through the second circuit board. The batteries may include a plurality of fasteners, each fastener extending through a separate channel of the plurality of channels. The batteries may include a plurality of conductive extensions electrically coupling each battery cell of the battery stack with one or more fasteners of the plurality of fasteners.

Abstract: A battery pack comprises a pair of physically separate battery cells share a single protection circuit module (PCM). Each further saw comprises a respective pair of electrodes, with both pairs of electrodes being connected to a single, common protection circuit board (PCB) of the PCM. The common PCM may be located in a spacing between adjacent ends of the batteries such that a widthwise dimension of the PCB has an upright orientation between the two batteries.

Abstract: A battery pack that includes a housing. The housing includes a support portion that is configured to removably connect to a device, such as a cordless, hand-held power tool. The battery pack is configured to electrically and/or communicatively connect to the device through at least one terminal. The at least one terminal can include a battery positive power terminal, a battery negative power terminal, and a communications terminal. In some embodiments, at least one of the terminals of the battery pack is positioned at a first depth level within the support portion and at least one of the terminals of the battery pack is positioned at a second depth level within the support portion. The battery pack includes a first distance between the first depth level and the second depth level (e.g., approximately 0.5 inches).

Abstract: Batteries are provided that include a base including a body having a hole, and an inner wall extending away from the base and disposed around the hole. An interior of the inner wall and the hole form at least part of a through-hole extending through the battery. The battery includes an outer wall extending away from the base and disposed around the inner wall. Cells are disposed on the base and between the inner wall and the outer wall. Structural battery packs are also provided that include: a hollow elongated member including a first interior space between its first and second ends; and one or more batteries disposed around the hollow elongated member between its first and second ends. Each battery includes a through-hole. The hollow elongated member is disposed through the through-hole of each battery. Methods related to the batteries and the structural battery packs are also provided.

Abstract: A battery pack that is connectable to an electronic device is disclosed. The battery pack includes positive terminals, negative terminals, and a cutting unit. The cutting unit cuts a current that flows from a battery cell to the electronic device in a case where the current flowing from the battery cell to the electronic device exceeds a maximum current value. The battery pack further includes a control unit that changes the maximum current value based on the number of positive terminals and negative terminals that are connected to the electronic device.

Abstract: According to the present invention, a dummy terminal is provided on a sensing substrate and the sensing substrate may be thus commonly used on both side surfaces of a battery module, and as a result, since only one type of sensing substrate provided with the dummy terminal needs to be manufactured instead of manufacturing two types of sensing substrates having different arrangements of the substrate terminals, mass productivity of the sensing substrate and the battery module including the same may be significantly improved.

Abstract: According to the present invention, a dummy terminal is provided on a sensing substrate and the sensing substrate may be thus commonly used on both side surfaces of a battery module, and as a result, since only one type of sensing substrate provided with the dummy terminal needs to be manufactured instead of manufacturing two types of sensing substrates having different arrangements of the substrate terminals, mass productivity of the sensing substrate and the battery module including the same may be significantly improved.

Abstract: A bus bar includes a first heat absorber that is joined to an output terminal of a first battery, a second heat absorber that is joined to an output terminal of a second battery, and a main body that electrically connects the first heat absorber to the second heat absorber. The first heat absorber and the second heat absorber have a heat capacity larger than a heat capacity of the main body. The main body has a first connecting part that is electrically connected to the first heat absorber, a second connecting part that is electrically connected to the second heat absorber, and a displacement absorber that is disposed between the first connecting part and the second connecting part and deforms in response to a relative displacement of the first battery and the second battery.

Abstract: A battery module includes battery cells being arrayed, a cell-monitoring unit configured to monitor each battery cell of the battery module, a battery cell side circuit board electrically connected to the battery cells, and a cell-monitoring unit side circuit board electrically connected to the cell-monitoring unit and the battery cell side circuit board. The battery cell side circuit board and the cell-monitoring unit side circuit board are connected to each other and voltage detection lines on the battery cell side circuit board and a voltage detection lines on the cell-monitoring unit side circuit board are electrically connected. The electric circuits of the voltage detection lines on the battery cell side circuit board are aligned in order of their electric potentials and the electric circuits of the voltage detection lines on the cell-monitoring unit side circuit board are aligned in order of their electric potentials.

Abstract: An anode for a lithium ion battery is disclosed includes a first major face, a second major face that, together with the first major face, defines a thickness of the anode, and at least one carbonaceous electrochemically active lithium host material distributed between the first and second major faces of the anode. The at least one carbonaceous electrochemically active lithium host material is selected from the group consisting of graphite, hard carbon, or a blend of graphite and hard carbon. The anode additionally defines a plurality of vertical channels extending at least partially through the thickness of the anode. A lithium-ion batter that includes the disclosed anode and a method of charging a lithium-ion battery that includes the disclosed anode are also disclosed.

Abstract: A battery module includes: a cell stack including a plurality of unit cells arranged in a first direction; and an insulating member around the plurality of unit cells; a plurality of module housings, each of the module housings including a plurality of receiving parts and receiving the cell stack; and a coupling part, and each of the receiving parts includes a fixing wall around the cell stack and having at least a portion which is in contact with the cell stack, and the fixing wall includes end walls at respective sides of each of the receiving parts in the first direction to engage end surfaces of respective sides of the cell stack in the first direction, and the coupling part is configured to be coupled to the coupling part of an adjacent battery module.

Abstract: A method for producing conductive materials from Nb-doped TiO2-particles, in which Nb-doped TiO2-particles are pressed to form bodies and the bodies are treated in an oxygen-containing atmosphere and at a reducing atmosphere.

Abstract: The present invention relates to a battery unit comprising one or more pairs of oppositely disposed receptacles, each said pair of receptacles defining a respective chamber for accommodating one or more cylindrical battery cells, each cylindrical battery cell having a first end adjacent a first end wall of a first one of said receptacles and a second end adjacent a second end wall of a second one of the pair of said receptacles. The invention further relates to a battery module comprising one or more battery units and to a battery system comprising a plurality of battery modules.

Abstract: Provided is a battery control system-in-package including a package substrate, a wireless charger integrated circuit (IC) module mounted on the package substrate, a wired charger IC module mounted on the package substrate, a battery protection IC module mounted on the package substrate, and a single mold provided on the package substrate to encapsulate the wireless charger IC module, the wired charger IC module, and the battery protection IC module.

Abstract: Electronics modules according to embodiments of the present technology may include a circuit board having a first surface from which an electronic component extends and a second surface opposite the first surface. The circuit board may include a tie-bar residual extending from a sidewall of the circuit board beyond the width across the first surface. The modules may also include an overmold at least partially encapsulating the circuit board. The overmold may be characterized by a first height extending normal to the first surface of the circuit board across the width of the circuit board. The overmold may extend laterally beyond the width along a length of the first surface. The overmold may define a region about the tie-bar residual characterized by a recessed height. The overmold may define a notch recessed from an outer edge of the overmold. The notch may be located across the tie-bar residual.

Abstract: Provided is a positive electrode for lithium ion secondary cell that includes an electrolyte holding layer excellent in electron conductivity, and a lithium ion secondary cell using the same. The present invention relates to a positive electrode for lithium ion secondary cell that includes a positive electrode current collector foil and positive electrode mixture layers laminated on both surfaces of the positive electrode current collector foil. The positive electrode mixture layer includes a first positive electrode active material layer, an electrolyte holding layer, and a second positive electrode active material layer. The first positive electrode active material layer, the electrolyte holding layer, and the second positive electrode active material layer contain positive electrode active materials, binders, and conductive agents containing carbonaceous material.

Abstract: A power distribution assembly comprising a chassis having at least one wall, a deformable material layer positioned on the at least one wall of the chassis and configured to deform in response to a triggering even. The power distribution assembly further comprising a conductive sense layer positioned on the deformable material layer opposite the at least one wall of the chassis.

Abstract: Presented are thermomechanical fuses for mitigating heat propagation across electrochemical devices, methods for making and methods for using such fuses, and traction battery packs with load-bearing, sacrificial thermomechanical fuses to help prevent thermal runaway conditions. A battery assembly includes an electrically insulating battery housing with multiple battery cells disposed inside the battery housing. These battery cells are electrically interconnected, in series or parallel, and stacked in side-by-side facing relation to form adjacent, mutually parallel stacks of battery cells. Thermomechanical fuses thermally connect neighboring stacks of the battery cells. Each thermomechanical fuse is formed, in whole or in part, from a dielectric material that undergoes deterioration or deformation at a predefined critical temperature; in so doing, the thermomechanical fuse thermally disconnects a first stack of cells from a neighboring second stack of cells.

Abstract: An embodiment is directed to a contact plate configured to establish electrical bonds between battery cells in a battery module, including at least one primary conductive layer, and a set of bonding connectors that are configured to provide direct electrical bonds between the contact plate and terminals of a group of battery cells, the set of bonding connectors being configured to connect the group of battery cells in parallel with each other, wherein at least one bonding connector in the set of bonding connectors is configured with a higher fuse rating than each other bonding connector in the set of bonding connectors so as to contain arcs among the set of bonding connectors to the at least one bonding connector.

Abstract: An electrical energy storage unit for a motor vehicle, having at least one storage unit cell designed to store electrical energy, which storage unit cell has a cell housing in which an electrolyte and an electrode device are arranged, and having a temperature control device that has at least one temperature control channel arranged outside the cell housing, which temperature control channel is able to be flowed through by a temperature control fluid in order to control the temperature of the storage unit cell. At least one heating device is able to be supplied with the electrical energy stored in the storage unit cell and thereby able to be electrically operated. By way of the heating device, the storage unit cell is able to be heated, wherein the heating device is able to be operated without any damage only when the storage unit cell has a state of charge that is not more than 60% of the maximum state of charge of the storage unit cell.

Abstract: Electrodes are formed with a porous layer of particulate electrode material bonded to each of the two major sides of a compatible metal current collector. In one embodiment, opposing electrodes are formed with like lithium-ion battery anode materials or like cathode materials or capacitor materials on both sides of the current collector. In another embodiment, a battery electrode material is applied to one side of a current collector and capacitor material is applied to the other side. In general, the electrodes are formed by combining a suitable grouping of capacitor layers with un-equal numbers of anode and cathode battery layers. One or more pairs of opposing electrodes are assembled to provide a combination of battery and capacitor energy and power properties in a hybrid electrochemical cell. The cells may be formed by stacking or winding rolls of the opposing electrodes with interposed separators.

Abstract: A battery pack and a vehicle, wherein the battery pack includes a box assembly, a battery unit, a constraint component and an outer cover, the box assembly includes a box body and a fixed beam, the fixed beam is fixed in the box body; the battery unit is arranged in the box body; the constraint component covers the battery unit and is fixed with the fixed beam; and the outer cover is arranged on one side of the constraint component away from the box body to seal an open end of the box body.

Abstract: A battery charger includes a housing having support structure for simultaneously supporting at least two batteries of different types for charging including a first battery of a first type and a second batter of a second type. The battery charger further includes charger electronics supported by the housing and operable to output charging current to charge the first battery and charging current to charge the second battery. A fan is operable to cause air flow through the housing. A fan speed of the fan is adjustable based on a temperature of the battery charger (i) while at least one of the at least two batteries is coupled to the battery charger for charging and (ii) while no batteries are coupled to the battery charger for charging.

Abstract: A battery and a manufacturing method thereof are disclosed. The battery includes at least one battery cell and at least one switching element; each of the at least one switching element is respectively connected to one or more of the at least one battery cell to control the one or more of the at least one battery cell.

Abstract: A battery module may include a plurality of battery cells that are stacked on each other; and a circuit module which is electrically connected to the plurality of battery cells and includes a plate-shaped circuit part having a width and a length. The circuit part may be disposed between any one pair of battery cells of the plurality of battery cells in a state in which a width direction of the circuit part is parallel to a direction perpendicular to a direction in which the plurality of battery cells are stacked.

Abstract: A secondary aggregate battery with spatial separation of operation temperatures is provided, including: a housing, wherein a plurality of secondary battery packs and a charge balancing system connected to the secondary battery packs are disposed in the housing. The charge balancing system includes a battery state detection unit and a heat dissipation component. The housing includes a heat dissipation chamber and an accommodation chamber separated by a partition. The heat dissipation chamber accommodates the heat dissipation component, and the accommodation chamber accommodates the secondary battery packs and the battery state detection unit such that the temperature of the heat dissipation component is isolated by the independent chamber to prevent the operation temperature of the heat dissipation component affects the normal operation of the secondary battery packs.

Abstract: A battery system includes a battery module that includes a plurality of battery cells, a monitoring unit configured to monitor a parameter of each of the battery cells, and a control unit configured to determine whether there is an abnormal battery cell in the battery module using the parameter, to calculate a reference voltage for balancing the battery cells when it is determined that there is an abnormal battery cell in the battery module, and to control cell balancing of the battery cells to an equalization target range.

Abstract: A battery module includes a carrier configured to receive electrical components. The carrier is electrically insulative and includes a first portion configured to receive a first plurality of electrical components, a second portion configured to receive a second plurality of electrical components, and a flexible region configured to enable the first portion to turn relative to the second portion.

Abstract: Embodiments described herein relate to current interrupt devices (CIDs) for electrochemical cells that use a thermal trigger (e.g., shape memory and/or bi-metallic materials) to open an electrical circuit just prior to a thermal runaway or during short-circuit event to prevent catastrophic failure of the electrochemical cell. Embodiments include CIDs comprising a housing, a bus bar coupled to the housing, and a thermal trigger operably coupled to the bus bar. In some embodiments, the bus bar can include an engineered fracture site. In some embodiments, the thermal trigger is dimensioned and configured to deform at a predetermined temperature to break the bus bar at the engineered fracture site. In some embodiments, a portion of the bus bar travels about a hinge, opening the electrical circuit and preventing overcharging, thermal runaway, and/or other catastrophic failure events.

Abstract: A battery pack includes: a plurality of unit cells arranged side by side in a first direction and each comprising a first terminal and a second terminal to improve the durability and safety of the battery pack; a protection circuit module disposed on the plurality of unit cells; and a temperature element unit disposed on the plurality of unit cells in the first direction and comprising a first temperature element, a second temperature element, a first plate connecting the first temperature element and the second temperature element, and a second plate having an end electrically connected to the protection circuit module and another end electrically connected to the first plate disposed between the first temperature element and the second temperature element.

Abstract: An electric power control system capable and a control device and a controlled device of electric power simplifying and reducing the cost of a slave device and electric power are provided. A power control system includes a master device supplied with power from a battery and a slave device powered by the battery through the master device. The slave device can also be supplied from a sub-battery or a solar cell that is different from the battery, the master device is provided with a control unit for controlling the slave device to be powered from the battery and the solar cell based on the power supply state of the battery and the solar cell.

Abstract: A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negative electrode of the cell unit. The cell support is configured to support at least the cell assembly. The cell support is at least disposed at two ends of the cell assembly and at least part of the cell support encapsulates the positive electrode of the cell unit and the negative electrode of the cell unit. The first material is different from the second material.

Abstract: Provided is an all-solid-state battery cell by which a battery module with good cooling efficiency can be obtained. The battery cell has a configuration in which an all-solid-state battery cell not using an electrolytic solution is used, a heat transfer material is disposed on a lower surface of an electrode laminate inside the battery cell, and heat is conducted from the heat transfer material through an exterior material to be dissipated.

Abstract: The invention relates to a battery pack, comprising a plurality of battery cells arranged consecutively. Each of said battery cells comprise a positive and a negative terminal on opposite sides of the battery cell, the battery cells being electrically connected in series with each other, wherein the terminals of the plurality of battery cells are arranged on two opposite sides of the battery pack such that positive and negative terminals of the consecutive battery cells are on both sides of the battery pack by turns next to each other. The battery pack further comprises a first and a second printed circuit board portion arranged on said two opposite sides of the battery pack, respectively. The first and the second printed circuit board portions comprise connection interfaces arranged next to the terminals of the battery cells. The first and the second printed circuit board portions comprise signal traces connected to the terminals of the battery cells via the connection interfaces.