Abstract: A battery cell (BZ), in particular a lithium-ion battery cell, wherein the battery cell (BZ) has a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S), wherein the contact sensor elements (S) are electrically insulated from one another.

Abstract: The present invention relates to a rapid charging system and a rapid charging method that consider thermal stability, and according to the present invention, a battery may be rapidly charged by determining a charging current based on the environment of the battery and the state of the battery, and the life span of the battery may be prevented from being shortened, the charging efficiency becomes higher, and the charging time may be reduced by preventing degradation of the battery due to the charging efficiency and the reaction heat of the battery.

Abstract: In embodiments of the present disclosure, after a mobile terminal has recognized a type of a power adapter, the mobile terminal actively initiates a quick charging request, and negotiates with the power adapter via handshake communication to determine charging parameters. The power adapter charges a battery of the mobile terminal via a multi-stage constant current mode.

Abstract: A transport device for lithium batteries in an aircraft, in particular in a hold, includes a container and a lid, lithium batteries being arranged in the container and the lid closing the container during transport of the lithium batteries. A shutoff valve neutralizes electrolyte released by the lithium batteries within the container or conveys the electrolyte to the outside.

Abstract: Methods and devices are disclosed for efficient power charging of a battery in one electronic device by another electronic device. In one embodiment, a method may include establishing an electrical connection between a first electronic device and a second electronic device; acquiring, by the second electronic device via the electrical connection, real-time charging voltage information of a battery in the first electronic device, wherein the real-time charging voltage information varies with a charge state of the battery in the first electronic device; and controlling by the second electronic device, during charging of the battery in the first electronic device by the second electronic device, an output voltage of the second electronic device to charge the battery of the first electronic device according to the real-time charging voltage information.

Abstract: There is provided an electronic apparatus including: a heating section; a heat storage section; a detection section configured to detect a heat storage amount of the heat storage section; and a control section configured to control operation of the heating section, based on the heat storage amount detected by the detection section.

Abstract: Provided are an auxiliary power supply test method and an electronic apparatus to which the same is applied. The auxiliary power supply test method includes: applying a charging disable signal, which interrupts a charging operation by an auxiliary power supply unit for a predetermined period of time, to the auxiliary power supply unit; monitoring a charging voltage of the auxiliary power supply unit in a time interval in which the charging disable signal is applied to the auxiliary power supply unit; determining whether the auxiliary power supply unit is defective, based on whether the monitored charging voltage is less than a predetermined threshold voltage, wherein the auxiliary power supply unit supplies auxiliary power, obtained based on the charging voltage, to a system power supply line in a case of a sudden power-off.

Abstract: A battery includes an electrode body having a positive electrode and a negative electrode and also includes an exterior case for receiving the electrode body. An insulation film for isolating the exterior case and the electrode body from each other is placed between an inner wall surface of the exterior case and the electrode body. The insulation film has a bag-like shape in which the electrode body is inserted. The bag-like insulation film has a gap filling section on its surface facing a side surface of the electrode body, and the gap filling section closes a gap between the electrode body and the inner wall surface of the exterior case.

Abstract: A method for controlling an external electric power supply system supplying electric power from a fuel cell and a secondary battery mounted on a vehicle to an external load, the method including controlling electric power from the fuel cell and the secondary battery such that externally supplied electric power supplied to the external load is equal to or less than supply allowed electric power, and setting the supply allowed electric power to be equal to or less than a smaller one of an upper limit value of electric power which the secondary battery is charged with set in accordance with a temperature, and an electric power storage amount of the secondary battery and an upper limit value of electric power discharged from the secondary battery set in accordance with the temperature and the electric power storage amount of the secondary battery.

Abstract: A sensor device for contacting first and second contact points of an electrochemical energy store which are situated inside a housing of the electrochemical energy store includes: a first terminal contact for the electrically conductive connection of the sensor device to the first contact point, a first terminal material on a surface of the first terminal contact corresponding to at least a first contact material on a surface of the first contact point; and a second terminal contact for the electrically conductive connection of the sensor device to the second contact point, a second terminal material on a surface of the second terminal contact corresponding to at least a second contact material on a surface of the second contact point.

Abstract: Methods and devices are disclosed for efficient power charging of a battery in one electronic device by another electronic device. In one embodiment, a method may include establishing an electrical connection between a first electronic device and a second electronic device; acquiring, by the second electronic device via the electrical connection, real-time charging voltage information of a battery in the first electronic device, wherein the real-time charging voltage information varies with a charge state of the battery in the first electronic device; and controlling by the second electronic device, during charging of the battery in the first electronic device by the second electronic device, an output voltage of the second electronic device to charge the battery of the first electronic device according to the real-time charging voltage information.

Abstract: A method of controlling a portable electronic device that has a battery. The method includes, in response to detecting coupling of the portable electronic device to a charger for charging the battery of the portable electronic device, determining if a condition is met to enter a reduced battery use state, and in response to determining that the condition to enter the reduced battery use state is met, identifying a configuration setting of the portable electronic device in the reduced battery use state, and entering the reduced battery use state by applying the configuration setting to adjust a configuration of the portable electronic device.

Abstract: This disclosure generally relates to a system, apparatus, and method for diagnosing a vehicle battery for further charging purposes. A battery diagnostic tool is provided to receive temperature information on the vehicle battery during a vehicle battery charging operation. The temperature information is referenced to generate a temperature gradient that will be further referenced to identify temperature changes to the vehicle battery over a period of time.

Abstract: Electrical power is dynamically managed among one or more power sources and one or more loads. A plurality of monitor nodes is connected to an input terminal connected to each source, and to an output terminal connected to each load. A plurality of electrical power storage cells is connected among the input and output terminals, each cell being capable of storing power from at least one of the sources and being capable of discharging stored power to at least one of the loads. A plurality of controllable switches is connected to the cells. A programmed controller dynamically monitors operating conditions at the monitor nodes during operation of each source and each load, and selectively dynamically controls the switches to interconnect the cells in different circuit topologies in response to the monitored operating conditions.

Abstract: A charge control circuit includes an analog to digital converter (ADC) and a control unit, wherein the ADC is arranged for monitoring a temperature of a battery and converting the monitored temperature to a digital value; and the control unit is coupled to the analog to digital converter, and is arranged for determining whether to generate a control signal to adjust a charge current or a charging voltage of a battery or not according to the digital value, and the ADC and the control unit are fully hardware architectures.

Abstract: A battery module of the present invention includes a plurality of rechargeable batteries, each rechargeable battery having a first terminal and a second terminal, a bus bar having a first connection member and a second connection member, the first connection member being coupled to the bus bar via a serial connection member and a short-circuit connection member, and the second connection member being coupled to the bus bar via a fuse portion, and a short-circuit member connected to the first connection member through a serial connection member and connected to the second connection member through a fuse portion. The short-circuit member may be configured to be deformed by increased internal pressure in the respective rechargeable battery to couple to the short-circuit connection member.

Abstract: An overcharge protection circuit may include a battery, a battery management system (BMS) having an overcharge sensing unit for detecting cell voltage of the battery, comparing the cell voltage with a preset overcharge voltage, and then generating either a signal indicative of normal connection of the battery or an overcharge signal depending on a result of the comparison and a switch control unit for generating a control signal depending on a result of comparing a hold-up time of the overcharge signal with a preset hold-up time of the overcharge signal, and a switch for connecting or blocking a power source for supplying charging power to the battery in response to the control signal.

Abstract: A battery pack (6) for an electric work vehicle includes a battery unit (6A), a casing (60) for tightly housing the battery unit (6A), a circulation fan (6B) mounted in an inner space of the casing (60), and an air guide (50) provided in the casing (60) to direct cooling air produced by the circulation fan (6B) to the battery unit (6A).

Abstract: Disclosed herein is a battery module assembly configured to have a structure in which a plurality of rectangular battery modules, each of which has two or more battery cells or unit modules connected in series and/or in parallel to each other, are stacked by two or more in a width direction (a longitudinal direction) thereof and in a height direction (a transverse direction) thereof so that the rectangular battery modules generally constitute a hexahedral structure (a hexahedral stack), outer edges of the hexahedral stack are fixed by a frame member, and coupling parts for mounting, through which the battery module assembly is mounted to an external device, are provided at one side of the frame member.

Abstract: Disclosed is a power switching module for a battery module assembly in which a plurality of rectangular battery modules, each having a plurality of battery cells or unit modules connected in series to each other, are stacked in the width (longitudinal) and height (transverse) direction by at least twos such that the battery modules constitute a hexahedral structure (hexahedral stack), outer edges of the hexahedral stack are fixed by a frame member, and input and output terminals of the battery modules are oriented such that the input and output terminals of the battery modules are directed toward one surface (a) of the stack, wherein the power switching module comprises an insulative substrate mounted to the surface (a) of the stack, elements mounted on the substrate for controlling voltage and current during charge and discharge of the battery modules, and connection members mounted on the substrate for interconnecting the control elements.

Abstract: An electronic device and a power adapter are provided. The power adapter comprises a power circuit, a main control circuit, a potential adjustment circuit, a current detection circuit, a voltage detection circuit and an output switch circuit. When a conventional charging or a quick charging is performed on the battery in the electronic device, the main control circuit determines whether the output current of the power adapter is greater than a current threshold according to the current detecting signal and determines whether the output voltage of the power adapter is greater than a voltage threshold according to the voltage detecting signal; if the output current of the power adapter is greater than the current threshold and/or the output voltage of the power adapter is greater than the voltage threshold, the main control circuit controls the output switch circuit to turn off the direct current output of the power adapter.

Abstract: An electronic device comprising: an interface arranged to connect to an external power supply device and supply power to a battery; a sensor unit arranged to measure a temperature of the electronic device; and a power management unit configured to charge the battery based on the temperature.

Abstract: Provided is a battery module, wherein heat-radiating plates are coupled to a plurality of battery cells stacked and arranged in the battery module so as to be closely adhered to both surfaces of each of the battery cells, curved parts are formed on both sides of each of the heat-radiating plates, adjacent heat-radiating plates are formed to be spaced apart from each other by a predetermined distance, such that a volume change caused by expansion of the battery cell and a dimensional tolerance of the battery cell itself may be absorbed, and cooling performance may be improved.

Abstract: A charging current setting method includes an upper limit temperature recognition step which recognizes an upper limit temperature of the secondary battery (11), an actual temperature recognition step which recognizes an actual temperature of the secondary battery (11), a maximum power recognition step which recognizes an maximum power according to a heat quantity which the secondary battery (11) allows during a charge period based on a difference between the upper limit temperature and the actual temperature, a thermal resistance of the secondary battery (11), and a length of a predetermined period and the charge period, and a current setting step which sets a charge current to be an upper limit value or less by recognizing the upper limit value of the charge current of the secondary battery (11) based on an endothermic and exothermic characteristics map of the secondary battery (11) with respect to current and the maximum power.

Abstract: An electronic cigarette charger, comprising a housing, a charging circuit board, a first electric connecting piece and a second electric connecting piece, a first elastic metal wire, a second elastic metal wire, and a suspension structure arranged on the housing and used for suspending the electronic cigarette charger, wherein one end of the first elastic metal wire and the second elastic metal wire is connected to the charging circuit board in an insertion mode, the other end of the first elastic metal wire is connected to the first electric connecting piece in a buckling mode, and the other end of the second elastic metal wire is connected to the second electric connecting piece in a buckling mode. Therefore, the electronic cigarette charger is convenient to carry and to assemble by skillfully connecting the first elastic metal wire and the second elastic metal wire with remaining components, improving a production efficiency.

Abstract: A battery monitoring device is configured to include a monitoring unit that transmits state information that indicates a state of a battery and that interrupts, using an interrupter, a power supply from a battery to a load upon receiving a power-interruption request or when a power supply to the monitoring unit is interrupted, and a controller that transmits a power-interruption request to the monitoring unit upon determining, on the basis of the state information transmitted from the monitoring unit, that an anomaly has occurred in the battery, wherein the controller interrupts, using an interrupter, a power supply to the monitoring unit upon determining that a communication anomaly has occurred between the monitoring unit and the controller, or that an anomaly has occurred in the monitoring unit.

Abstract: The present invention provides a method for charging a NiMH battery, comprising estimating a state of charge of the battery (100), determining an end of charging time based on the estimated state of charge (200), applying a constant charging current with a rate in the range from 0.9 C to 2.1 C to the battery until a threshold voltage is reached (300), upon reaching the threshold voltage, applying a constant charging voltage substantially equal to the threshold voltage to the battery (400) and continuing applying the constant charging voltage to the battery until the end of charging time is reached (500). Furthermore, a battery charger adapted to perform such a method as well as a system comprising such a battery charger and a hearing device powered by a NiMH battery are given.

Abstract: A heat quantity control device has a heat flux sensor arranged between first and second heating elements arranged adjacently to each other, and a control section for controlling a heat quantity of the first and second heating elements. The heat flux sensor has an insulation board made of thermoplastic resin, first and second via holes formed in the insulation board penetrating in a thickness direction thereof. First and second layer connection members are embedded in the first and second via holes, respectively. The first and second layer connection members are made of different metals and alternately connected in series. The control section controls a heat quantity generated in the first and second heating elements based on the electromotive force generated in the heat flux sensors so that a heat flux flowing between the first and second heating elements becomes not more than a predetermined value.

Abstract: A method of charging a battery includes performing a first charging operation in a first period, performing a second charging operation in a second period, and performing a third charging operation in a third period. Each of the first, second, and third periods includes a constant current supplying period and a constant voltage supplying period. Different currents are supplied in the constant current supplying periods of at least two of the first, second, and third periods. Different voltages are supplied in the constant voltage supplying periods of at least two of the first, second, and third periods. The second period is between the first and third periods, and the second period is longer than the first and third periods.

Abstract: This disclosure generally relates to a system, apparatus, and method for diagnosing a vehicle battery for further charging purposes. A battery diagnostic tool is provided to receive temperature information on the vehicle battery during a vehicle battery charging operation. The temperature information is referenced to generate a temperature gradient that will be further referenced to identify temperature changes to the vehicle battery over a period of time.

Abstract: To provide a battery temperature adjustment unit capable of efficiently supplying air adjusted to an appropriate temperature to a battery. A unit provided in a module case accommodating a battery includes a unit case having an air inlet and an air outlet, a heat exchanger disposed in the unit case, and a blower disposed in the unit case, in which air in the module case is sucked through the air inlet by the blower while being blown out through the air outlet and circulates through the module case and the air blown out through the air outlet includes air that has passed through the heat exchanger and air that has not passed through the heat exchanger. The unit also includes a heater disposed in parallel with a heat exchanger for cooling or disposed closer to the air inlet than the heat exchanger for cooling.

Abstract: The invention relates to a battery cooling structure for cooling a battery mounted in a vehicle. This battery cooling structure includes a battery pack (20) within which the battery is housed in an internal space; an air supplying device (26) that is configured to send cooling air to the battery pack (20); and an air exhausting device (30) is configured to discharge exhaust air from the battery pack (20). The battery pack (20) is arranged under a rear seat (10) of the vehicle. An exhaust vent (54) of the air exhausting device 30) is provided on a floor surface in a rearward space behind the rear seat (10) in the vehicle, and discharges the exhaust air from the battery pack (20) upward into the rearward space from the exhaust vent (54) provided in the floor surface.

Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system attempts to regulate a voltage on a battery terminal in the portable electronic device to a first voltage level. Upon identifying an inability to regulate the voltage on the battery terminal to the first voltage level during a first detection period, the system detects a presence of the battery in the portable electronic device.

Abstract: An audio, video, and navigation (AVN) system includes a battery voltage detection circuit configured to detect an output voltage of a main battery; an e-call power controller configured to output power of a back-up battery (BUB) based on a result of detecting the output voltage; and a central controller configured to receive the power of the BUB and to generate an accident occurrence message when an airbag inflation signal is received.

Abstract: A includes a battery, an electric machine, an electrically powered cooling system, and a controller. The electric machine is configured to charge the battery with current generated from regenerative braking. The electrically powered cooling system is configured to cool the battery. The controller is programmed to, in response to a temperature of the battery being greater than a threshold, direct at least a portion of the current generated from regenerative braking to the cooling system.

Abstract: A first outward passage and a second outward passage are branched from a branch portion to guide refrigerants to a first evaporator and a second evaporator, respectively. In the second outward passage with a longer refrigerant flow path of the first and second outward passages, a second decompressor is disposed closer to the branch portion rather than the second evaporator in the second outward passage. Further, a part of the second outward passage located on the downstream side of the refrigerant flow with respect to the second decompressor is defined by an inner pipe of a double pipe, and a part of a second return passage is defined by an outer pipe of the double pipe.

Abstract: A charging system includes battery pack and charger. During the charge of secondary battery, charge control unit controls charger so that the charger performs constant-current charge at a first charge current, and, when at least one of the following conditions is satisfied, switches the first charge current to a second charge current lower than the first charge current and continues the constant-current charge. The conditions include the condition that the SOC of secondary battery arrives at a threshold SOC value and the condition that the inter-terminal voltage of secondary battery arrives at a threshold inter-terminal voltage. In response to the degree of degradation of secondary battery, the charge control unit drops at least one of the threshold SOC value and the threshold inter-terminal voltage.

Abstract: The invention relates to a method for determining the temperature of a battery, comprising the following steps: a) determining the state of charge of at least one battery cell; b) determining a change in the open-circuit voltage (VL1, VL2) of the at least one battery cell immediately after the end of the flow of an electric current (IL, IE) through the at least one battery cell; and c) determining the temperature of the at least one battery cell on the basis of the state of charge and the change in the open-circuit voltage (VL1, VL2). The method described above economically enables especially reliable operation of the battery that is stable over the long term.

Abstract: A system, method, and device for operations of an electrically motorized vehicle. The vehicle can utilize an electrically motorized wheel to convert a non-motorized wheeled vehicle to an electrically motorized wheeled vehicle. A method of controlling the device of the electrically motorized wheel includes detecting a temperature of an electric motor of the electrically motorized wheel and controlling operation of the electric motor to maintain the detected temperature within a desired range.

Abstract: Electrochemical cells operating with molten electrodes and electrolyte, where the cathode is an alloy of a metal and metalloid, may be assembled in a discharged state by combining first an anodic metal with a cathodic metal to form a binary alloy. This binary alloy is then placed in a cell housing with the metalloid and the electrolyte, all in the solid state. The temperature is raised to, and maintained at, a temperature above the melting point of the highest melting component until components assembled into horizontal layers of electrolyte above a layer of a ternary alloy formed by the combination of the binary alloy and the metalloid. A charge and discharged cycle is then run through the electrochemical cell.

Abstract: A battery cell assembly having a battery cell and a thin profile sensor is provided. The battery cell has a housing and first and second electrical terminals extending therefrom. The thin profile sensor has a flexible plastic sheet, a microprocessor, and a sensing circuit. The microprocessor and the sensing circuit are coupled to the flexible plastic sheet. The flexible plastic sheet is coupled to an exterior surface of the housing of the battery cell. The sensing circuit generates a signal that is indicative of an operational parameter value of the battery cell. The microprocessor determines the operational parameter value based on the signal from the sensing circuit.

Abstract: Circuits, methods, and apparatus that may allow an electronic device to control a power adapter. One example may provide an electronic system where an electronic device may control a power adapter through a communication channel. Data transferred in the communication channel may include the temperature of the power adapter, the charging capability of the adapter, and other types of data. In one example, power and data may share the same two wires, and the power and data may be time-division multiplexed. That is, the two wires may convey power and data at different times. Another example may include circuitry to detect a connection between the electronic device and the power adapter. Once a connection is detected, power may be transferred from the power adapter to the electronic device. This power transfer may be interrupted on occasion to transfer data between the power adapter to the electronic device.

Abstract: A vehicle includes a first inlet to be connected to a commercial power source, a second inlet to be connected to a battery of an HEMS (Home Energy Management System) which supplies electric power greater than electric power supplied by the commercial power source, and an ECU. The ECU indicates one of the first inlet and the second inlet to a user in accordance with a state of a battery of the vehicle.

Abstract: A lithium-ion battery cell includes a housing with an electrode arrangement and a temperature sensor that is arranged in the interior of the housing. The temperature sensor has an electro-thermal oscillator that converts a temperature into a frequency. A motor vehicle includes the lithium-ion battery cell.

Abstract: A vehicle includes a generator, an engine, a main battery, an auxiliary battery, and a controller. The engine is configured to perform a load operation and a self-supported operation. The controller is configured to control charging and discharging of the auxiliary battery. When an upper limit of an allowable charging power of the main battery decreased and a command power is in a state in which the load operation and the self-supported operation are alternately switched, the controller is configured to operate a continuous charging. The continuous charging is to charge the auxiliary battery continuously for a predetermined time with a charging power. The charging power is a power which increases the command power to be equal to or larger than the threshold.

Abstract: A charger has a housing with a receptacle configured to receive a battery, an electrical circuit board, a fan to circulate air within the housing and to cool the battery, and a fan-supporting member to support the fan. The fan is located above the electrical circuit board. A part of the fan-supporting member is positioned between the fan and the electrical circuit board.

Abstract: Systems and methods for identifying available charging stations (e.g., charging stations available to be used by an electric vehicle) and/or determining travel routes for electric vehicles are described. In some embodiments, the systems and methods receive a request to find an available charging station, determine a state of charge for an electric vehicle associated with the request, identifies one or more available charging stations located within a suitable distance to the electric vehicle, the suitable distance based on the determined state of the charge for the electric vehicle, and present information to the electric vehicle, or an associated mobile device, that indicates the identified charging stations.

Abstract: A method of estimating a battery life includes: for a secondary battery having a degradation rate R when X days have elapsed after initial charge of the secondary battery, calculating a degradation estimation value (X+Y) days after the initial charge from degradation master data, the degradation master data being identified with use of conditions of temperature T provided for the calculation and a battery state S provided for the calculation; and deriving number of elapsed days Xcorr giving the degradation rate R based on the identified degradation master data, and calculating the degradation estimation value (Xcorr+Y) days after the initial charge from the identified degradation master data.

Abstract: An automated charge preparation method periodically determines critical parameters for the set of relevant operating conditions, determines whether fast charging is possible, applies fast charging when possible, otherwise applies a dynamically scaled charging rate that is optimized based upon current critical parameters (while optionally heating the individual battery cells as long as fast charging is not available) to reduce/eliminate a risk of lithium-plating.

Abstract: A vehicle includes a traction battery that is comprised of a number of cells. A controller operates the traction battery according to a temperature for each of the cells. The temperature is based on a number of coefficients representing a contribution of at least one cell boundary thermal condition and a heat generated in the cell to a steady-state temperature at a predetermined location within the cell. The contributions may be filtered to predict a dynamic response of the temperature to changes in the boundary thermal conditions and the heat generated in the cell. The coefficients may be derived from a full-order model. The resulting reduced-order model requires less execution time while achieving accuracy similar to the full-order model. In addition, a range of characteristic temperatures may be obtained for each cell.