Abstract: A battery cell is configured to operate in within an electronic device. Determining the status of the battery cell includes using a strain gauge attached to the battery cell. A value of the dimension of the battery cell is established by use of the strain gauge. The status of the battery cell is determined based on the established dimension value compared to a reference value and a threshold related to the dimension of the battery cell. Related methods, devices and/or computer program products are described.

Abstract: Disclosed herein is a system for controlling the cooling or heating of a battery. The system includes a battery having a hermetic sealing structure to prevent passage of air from an exterior, a pressure sensor provided on the battery to measure internal pressure of the battery, an climate control system cooling or heating the battery, and a controller determining cooling or heating of the climate control system depending on whether the internal pressure of the battery is positive pressure or negative pressure based on a measured result of the pressure sensor, the controller controlling cooling or heating strength depending on a level of the positive pressure or negative pressure.

Abstract: A battery connector system for connecting battery cells of a battery module includes a carrier assembly having a carrier housing and a plurality of bus bar assemblies held by the carrier housing. The bus bar assemblies are configured to connect corresponding battery terminals of adjacent battery cells. The carrier assembly includes a plurality of cell connecting sections each holding a corresponding bus bar assembly and cover portions associated with the cell connecting sections. The carrier housing has a unitary construction with each of the cell connecting sections and cover portions being integral.

Abstract: A battery system for electrical devices, a battery, a battery loading system may be provided. The battery system may comprise a battery container with an inlet channel for a serially inserting multiple batteries with substantially identical shape into the battery container, and a battery holder with a holding mechanism to selectively hold the inserted battery. For each of the battery holders, electrical connectors for connecting the inserted batteries may be available. An ejection may be possible via an outlet channel and an ejection mechanism.

Abstract: An auxiliary battery device for an electronic device includes: one or more auxiliary battery bodies; first and second coupling units provided on front and rear surfaces of the bodies to couple or separate the auxiliary battery bodies according to rotation of the auxiliary battery bodies; and one or more connection terminal units provided in the coupling units to electrically connect the auxiliary battery bodies when the auxiliary battery bodies are coupled to each other.

Abstract: A battery pack, an integrated device for sensing individual battery voltage in a battery pack and a method of forming an integrated voltage-sensing circuit for use in a battery-powered automobile propulsion system. The integrated voltage-sensing circuit includes a busbar, a terminal pin and a voltage-sensing fuse electrically disposed between the busbar and the terminal pin. The construction of the voltage-sensing circuit is such that it forms an integral structure upon being coupled to the modular housing or related structure that may subsequently be secured to a frame that is used to provide support to each battery cell within the battery pack. In one form, the modular housing and voltage-sensing circuit may be secured to the frame during a frame molding process such that upon completion of the molding, the housing and at least a portion of the voltage-sensing circuit are encapsulated within the frame.

Abstract: A battery pack includes a second case coupled to a first case. The first case has an opening and includes a battery module, and the second case covers the opening in the first case. The second case moves between open and closed states relative to the opening in the first case. A surface of the battery module includes a power circuit is aligned with the opening in the first case and is exposed when the second case is in the open state. High current terminals of the battery module may also be exposed when the second case is opened. Wires passing through holes in the first case may be removably coupled to the high current terminals.

Abstract: A rechargeable battery module includes a plurality of unit cells including rechargeable batteries and adjacently disposed, at least one bus bar connecting electrode terminals of adjacent unit cells of the plurality of unit cells, and a cover configured to cover the plurality of unit cells, the cover including a coupling part coupled with the at least one bus bar, and a signal detector electrically connected to the bus bar.

Abstract: A method for making available information for the purpose of performing maintenance and servicing of a battery unit includes detecting and quantizing useful data of a battery unit and forming histograms which have frequencies of the occurrence of specific values of the individual quantized useful data items or values derived therefrom. In this context there is provision that at least one current and at least one aggregated histogram are formed and stored in a non-volatile memory. Furthermore, a data structure, a computer program, and a battery management system are specified which are configured to execute the method, as well as a battery and a motor vehicle whose drive system is connected to a battery of this type.

Abstract: A method for providing information for maintenance and service purposes for a battery unit includes capturing and quantizing use data for a battery unit and forming a histogram that has frequency values for the occurrence of particular values of the individual quantized use data items or values derived therefrom. At least one additional information carrier is ascertained that is set up to reconstruct the histogram, and the histogram and the at least one additional information carrier are stored in a nonvolatile memory. Furthermore, a data structure, a computer program and a battery management system are specified that are set up to perform the method, and also a battery and a motor vehicle, the drive system of which is connected to such a battery.

Abstract: A battery system includes a plurality of battery cells and a battery management unit. The battery management unit comprises a plurality of acquisition devices and a plurality of monitoring devices. Each of the acquisition devices is configured to acquire at least one operating parameter of the battery cells associated therewith. Each of the monitoring devices is associated with a plurality of battery cells, and each of the monitoring devices is configured to monitor the operating parameter of the battery cells associated therewith. The battery cells, which are each associated with one of the monitoring devices, are associated with at least two acquisition devices.

Abstract: A plate-like battery pack has: a plurality of single cell elements; a flat battery pack case composed of an insulating material and adapted to have a plurality of holes respectively housing the single cell elements; and a plurality of sealing plates adapted to hermetically seal the holes housing the single cell elements and connect adjacent ones of the single cell elements, and the sealing plates connect the single cell elements in series, parallel or series-parallel.

Abstract: An external packaging material for covering a battery device is provided. The packaging material includes a laminated film having a laminated structure having two or more resin film layers stacked. In the external packaging material, the laminated structure has no metallic foil, and at least one layer in the resin film layers contains a moisture absorbing material.

Abstract: A rechargeable battery that features two or more levels of internal resistance according to various temperature ranges is disclosed.

Abstract: An apparatus for measuring a pressure includes a semiconductor die and a circuit board. The semiconductor die includes a micro-mechanical element generating a measurement signal indicating information on an external pressure applied to the micro-mechanical element. The semiconductor die further includes an output interface providing the measurement signal. The circuit board includes at least one electrically-conductive line and an opening. The semiconductor die is attached to the circuit board, so that the micro-mechanical element faces the whole of the circuit board and the at least on electrically-conductive line is connected to the output interface.

Abstract: An electronic device with a battery displays a label for indicating different power levels of the battery. The label comprises a plurality of columns. Each of the columns is capable of being illuminated. A number of the columns lighted correspond to a corresponding the power levels in a one-to-one relationship. The electronic device comprises a detection module, storage, an acquiring module, a check module, and a display module. The detection module detects the current voltage of the battery at regular intervals and stores the information in the storage. The acquiring module acquires a previous detected voltage from the storage. The check module checks whether the current voltage is a fluctuated voltage. The display displays the label with the numbers of the lighted columns corresponding to the power level which contains the previous detected voltage when the current voltage is a fluctuated voltage.

Abstract: A battery pack and a protective cover for the battery pack. The battery pack is operatively connectable to a power tool in order to provide electrical power to the power tool, the battery pack comprising a base portion and an upper portion. A protective boot is removably coupled to the battery pack and comprises an elastic material and forming a substantially rectangular box shape conforming to the base portion of the battery pack such that when it is coupled to the battery pack it is form fitting and covers at least a portion of an outer surface of the base portion. At least one terminal slot and the plurality of guide rails of the battery pack are exposed when the protective boot is coupled to the battery pack.

Abstract: A battery includes: 1) an anode; 2) a cathode; 3) a separator disposed between the anode and the cathode, wherein the separator includes at least one functional layer; and 4) a sensor connected to the at least one functional layer to monitor an internal state of the battery.

Abstract: A power supply device has a first monitoring portion monitoring one battery property of plural battery cells constituting a battery block, a second monitoring portion monitoring another battery property, a circuit board having a monitoring circuit monitoring states of the battery cells being connected to the first and second monitoring portions and based on battery property information detected in the first and second monitoring portions and having a rectangular shape in the external appearance, a first connector connecting a first harness extended from the first monitoring portion to the circuit board, and a second connector connecting a second harness extended from the second monitoring portion to the circuit board. The first connector is fixed to one side of the circuit board, and the second connector is fixed to another side crossing the one side of the rectangular outer shape at a position thereof crossing the second connector.

Abstract: A rechargeable battery pack including a cell having an electrode assembly and a pouch for retaining the electrode assembly therein; an electrode tab connected to a lead tab of the cell; and a temperature sensor received in a receiving groove of the electrode tab.

Abstract: Electrical systems, power supply apparatuses, and power supply operational methods are described.

Abstract: A battery system and a method for producing an electrically conductive connection in a battery system. The battery system includes a plurality of cells arranged in at least one stack, a cell connector to connect a pole of a first cell in an electrically conductive manner to a pole of a second cell, an electronic unit to detect the voltage of the cells, a first pin arranged on the cell connector, at least one second pin arranged on the electronic unit; and a conductor to connect the first pin in an electrically conductive manner to the second pin, the conductor having at least one flexible section, a first contact element connected in an electrically conductive manner to a first end of the flexible section and also to the first pin, and a second contact element connected in an electrically conductive manner to a second end of the flexible section and also to the second pin.

Abstract: A battery monitor apparatus includes: a first control unit disposed outside a plurality of battery stacks each including battery cells; a plurality of second control units disposed respectively in the plurality of battery stacks, the second control units determining an output voltage of the battery cells and outputting voltage data representing the determined voltage; and a signal line connecting the plurality of second control units and the first control unit in a daisy chain system, wherein the second control units receive a data signal transmitted from the first control unit and transmit a response signal responding to the data signal, via the signal line, and the first control unit determines that the signal line is disconnected, when the response signal is not received via the signal line within a prescribed time period after transmitting the data signal to the plurality of second control units via the signal line.

Abstract: One exemplary embodiment includes a method including providing a battery, producing a first magnetic field so that a second magnetic field is induced in the battery, sensing a magnetic field resulting from the interaction of the first magnetic field and the second magnetic field, utilizing the sensed net magnetic field to determine the state of charge of the battery.

Abstract: Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover.

Abstract: A battery system and a method for producing an electrically conductive connection. The battery system includes a plurality of cells that are arranged in at least in one stack, an electronic unit, and a conductor. First contact members arranged on the first contacting element are to at least one of penetrate insulation of the conductor at least in sections, and deform the conductor at least in sections. The conductor is configured for insertion into a first opening of a first contacting element and second openings of a second contacting element to establish contact with the first contact members. The first opening is configured to permit insertion of the first conductor section parallel to a base surface of the cell connector, and the second opening is configured to permit insertion of the second conductor section parallel to a base surface of the electronic unit.

Abstract: A battery pack is disclosed. The battery pack has an analog front end which senses if a failure occurs in a microcontroller, and interrupts charging and discharging of the battery in response to the failure.

Abstract: An interconnect device for a battery assembly having a plurality of battery cell assemblies and a thermistor is disclosed. The interconnect device includes a non-conductive frame; a plurality of conductive traces integrally formed with the frame, a busbar in electrical communication with at least one of the conductive traces and disposed adjacent an aperture formed in the frame, wherein the aperture receives a tab of at least one of the battery cell assemblies, and a conductive pad disposed on a lower surface of the frame, the pad in electrical communication with at least one of the conductive traces and adapted to receive a signal from the thermistor.

Abstract: An electrochemical battery system in one embodiment includes a first electrode, a second electrode spaced apart from the first electrode, a separator positioned between the first electrode and the second electrode, an active material within the second electrode, a pressure sensor in fluid connection with the second electrode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain a pressure signal from the pressure sensor associated with the pressure within the second electrode, and to identify a state of charge of the electrochemical battery system based upon the pressure signal.

Abstract: A battery module has a cell unit including battery cells, a positive external terminal electrically connected to a positive side of the battery cells through a positive electro conductive member, and a negative external terminal electrically connected to a negative side of the battery cells. The positive electro conductive member extends a first surface which is one of surfaces of the cell unit. The negative electro conductive member extends of a second surface which is one of surfaces of the cell unit other than the first surface.

Abstract: Provided is an electric storage module including an electric storage device and an outer package member that covers the electric storage device. The outer package member has a main body that covers the electric storage device and a cable fixing portion provided on an outer surface of the main body of the outer package member. The cable fixing portion has a plurality of insertion holes through which a binding member or a cable can be inserted.

Abstract: The disclosure relates to a method for ascertaining permissible operating parameters of a battery. For this purpose, operating parameters of the battery are measured, and further relevant operating parameters of the battery are determined from the measured operating parameters. Furthermore, at least one of the determined operating parameters is compared with a predefined comparison range. If the at least one operating parameter lies within the predefined comparison range, the permissible operating range of the at least one operating parameter is determined using a mathematical model of the battery. However, if the at least one battery parameter lies outside the predefined comparison range, the permissible operating range of the at least one operating parameter is determined using previously stored battery data.

Abstract: A Lithium Ion battery cooling system for use in a hybrid vehicle comprises a plurality of self-contained liquid cooling modules, each cooling module including a closed and sealed container having an interior space. Each cooling module includes a battery assembly disposed within the interior space of the container and a plurality of battery cells having at least one fluid channel formed therebetween for receiving a fluid therein. A dielectric fluid is disposed within the at least one fluid channel. The dielectric fluid substantially immerses and is in contact with the battery assembly to heat and cool the battery assembly. A heating element is disposed within the interior space and heats the dielectric fluid. A cooling element is disposed within the interior space and cools the dielectric fluid.

Abstract: The disclosure is directed at a method and apparatus for controlling fuel cell operating characteristics. In certain situations, the operating efficiency of fuel cells is degraded to external conditions. Providing a method and apparatus to control operating conditions for the fuel cell assists in improving the operating efficiency. This can be achieved by controlling certain environmental conditions, such as temperature and relatively humidity, in the area surrounding the fuel cell.

Abstract: An end cap assembly for an electrochemical cell having an end cap, a current collector, and a seal. The end cap has a top surface and a bottom surface. The current collector has a columnar body with a head at one end thereof. The seal has a central boss with an opening through which the current collector is inserted. The seal also has a peripheral edge and a connecting part connecting the central boss with the peripheral edge. The connecting part of the seal has a top surface and a bottom surface. The central boss has a top surface and a bottom surface. The top surface of the central boss faces the bottom surface of the end cap and the bottom surface of the central boss does not extend below the bottom surface of the connecting part. The current collector is positioned within the opening of the central boss so that the head of the current collector does not touch the top surface of the central boss thus forming a gap from about 0.01 mm to about 0.

Abstract: There are provided an electric cell group of a plurality of electric cells 11 with positive and negative electrode terminals, connecting members for connecting adjacent electrode terminals, and a wiring module assembled to the electric cell group. The wiring module includes a plurality of voltage detection terminals connected to the ends of a plurality of electric wires W for detecting the conditions of the electric cells, a plurality of retainer portions retaining the detection terminals, and interval adjusting device provided between a plurality of adjacent retainer portions for adjusting the intervals between the retainer portions.

Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.

Abstract: A battery with three types of terminals is disclosed. The terminals include at least one negative terminal, at least one positive terminal, and at least one sensor terminal. The negative and positive terminals carry current during battery operation, while the sensor terminal is used to sense, communicate and/or control certain aspects of the battery. The sensor terminal can also be connected to external electronic units for sensing, communication and control of the battery usage.

Abstract: According to one embodiment, there is provided an active substance. The active substance contains active material particles. The active material particles comprise a compound represented by the formula: Ti1-xM1xNb2-yM2yO7. The active material particles has a peak A attributed to a (110) plane which appears at 2? ranging from 23.74 to 24.14°, a peak B attributed to a (003) plane which appears at 2? ranging from 25.81 to 26.21° and a peak C attributed to a (?602) plane which appears at 2? ranging from 26.14 to 26.54° in an X-ray diffraction pattern of the active material particles. An intensity IA of the peak A, an intensity IB of the peak B, and an intensity IC of the peak C satisfy the relation (1): 0.80?IB/IA?1.12; and the relation (2) IC/IB?0.80.

Abstract: In a battery pack having multiple battery cells distributed, for example, between multiple interconnected battery modules, a run-time cooling system is provided to cool (and/or heat) the battery cells during routine charging and discharging of the cells (e.g., powering a load such as a motor within an electric or hybrid-electric vehicle), and an emergency cooling system to cool the battery cells in response to a signal indicating detection of one or more conditions indicating possible thermal runaway within the battery cells or battery modules. The run-time cooling system, which may include a fan, HVAC unit or other fluid pumping device, induces continuous coolant flow within the battery pack (e.g., flow of air or other gaseous or liquid coolant). The emergency cooling system, by contrast, includes a mechanical interface or is otherwise adapted to receive a receptacle containing pressurized coolant or other flash-cooling device.

Abstract: In general, according to one embodiment, the active material for a battery contains a niobium composite oxide represented by the formula: LixM(1-y)NbyNb2O(7+?). M represents at least one kind selected from the group consisting of Ti and Zr. X, y, and ? are numbers respectively satisfying the following: 0?x?6, 0?y?1, and ?1???1). The pH of the active material for a battery is from 7.4 to 12.5.

Abstract: An electric storage apparatus includes a plurality of electric storage devices aligned in a first direction and each having an electrode terminal extending in a direction orthogonal to the first direction; a holding member configured to hold the plurality of electric storage devices; and a circuit case housing a circuit thereinside, wherein the holding member has an opening, and the circuit case is formed into a size corresponding to the opening so as to close the opening.

Abstract: Methods and apparatus for a portable ground power source for starting aircraft. An apparatus includes a Li-ion battery pack and a NATO connector integrated into a single unit and packaged inside a light weight plastic housing.

Abstract: An electric vehicle has a housing that can interchangeably accommodate at least two different types of batteries therein. A plurality of modules are provided within the housing. Each module has a plurality of batteries of a first type arranged into a first battery module that is interchangeable with a plurality of batteries of a second, different type arranged into a second battery module. Both types can supply power to the electric vehicle. Because each the first and second battery modules have similar shape, the housing allows for a modular design, use of different types of batteries, and easy removal and replacement during assembly. A battery management system is also provided to monitor the modules.

Abstract: A battery assembly is provided. The battery assembly includes a first module having a first plurality of cells and a first voltage measurement device. The battery module includes a sense wire, coupled to a voltage measurement input of the first voltage measurement device and resistively coupled to a terminal of the first plurality of cells. The battery assembly includes a second module having a second plurality of cells and being configured to couple to the first module with the terminal of the first plurality of cells coupling to a terminal of the second plurality of cells via a connector and with the sense wire coupling to the terminal of the second plurality of cells via the connector.

Abstract: The present disclosure provides systems and methods for indicating battery damage. A battery may comprise an odorant and/or visible indicator material configured to be released in response to battery damage. The battery may be configured to release the odorant and/or visible indicator in response to damage to the battery housing, a cell or cells in the battery, a seal of the battery, or any other specific component of the battery. The odorant and/or visible indicator may be stored in free space in the battery housing, a battery cell, or other battery component. The battery may be configured to emit an audible and/or visible indication of battery damage in addition to releasing the odorant and/or visible indicator.

Abstract: The present disclosure provides systems and methods for indicating battery damage. A battery may comprise an odorant and/or visible indicator material configured to be released in response to battery damage. The battery may be configured to release the odorant and/or visible indicator in response to damage to the battery housing, a cell or cells in the battery, a seal of the battery, or any other specific component of the battery. The odorant and/or visible indicator may be stored in free space in the battery housing, a battery cell, or other battery component. The battery may be configured to emit an audible and/or visible indication of battery damage in addition to releasing the odorant and/or visible indicator.

Abstract: A method for abnormality detection in an energy unit includes passively detecting an abnormality in an energy unit by detecting electromagnetic radiation generated by the abnormality, the energy unit comprising at least one of an electrical energy unit and an electrochemical energy unit. A method for detecting an abnormality in an energy unit includes (a) applying a signal to the energy unit, (b) performing a plurality of measurements, at a respective plurality of different locations within the energy unit, of a response of the energy unit to the signal, and (c) processing the plurality of measurements to identify the abnormality.

Abstract: A detecting device is used for detecting a battery leak, a positive terminal of the battery is electrically connected to a first contact, a negative terminal of the battery is electrically connected to a second contact. The detecting device includes a first conductor, a second conductor electrically connected to the second contact, and a warning unit electrically connected between the first contact and the first conductor. The second conductor being electrically connected to the first conductor through electrolyte leaked out of the battery, thus the warning unit will be actuated to produce a warning signal.

Abstract: A battery includes a battery housing and also two connections configured to electrically conductively connect the battery to a load. The battery further includes a battery string which is positioned in the battery housing, and connects the two connections to one another. At least one battery cell is connected in series and/or in parallel with the battery string. The battery has at least one thermal tripping element which is positioned within the battery housing, and which is configured to trip when a predetermined first temperature is present in a region of the thermal tripping element, and therefore is configured to indicate a presence of this predetermined first temperature in the region of the thermal tripping element.