Abstract: A battery module includes a plurality of battery cells and a flexible bus. Each of the battery cells has a main body, a first terminal disposed on the main body, and a second terminal disposed on the main body. The main body includes active material configured to generate power from an electrochemical reaction. The bus includes an electrical current harness configured to conduct an electrical current through the battery module and a battery management system configured to detect and transmit status information, as well as selectively control a charging and a discharging of at least one of the battery cells.

Abstract: A charger apparatus and a charging method are provided for charging/discharging battery modules connected in series. The chargers of the charger apparatus are grouped at least into a first charger group and a second charger group. The first terminal of the first charger of the first charger group is coupled to the positive terminal of the i-th battery module of the battery modules, and the second terminal of the first charger is coupled to a first node between the j-th battery module and the k-th battery module of the battery modules, wherein j ranges between i and k. The first terminal of the second charger of the second charger group is coupled to a second node between the i-th battery module and the j-th battery module, and the second terminal of the second charger is coupled to the negative terminal of the k-th battery module.

Abstract: A power cable which connects to charge the battery power supply of an electric vehicle is suspended at a height generally above the vehicle and is automatically retractable. The operation of the power cable is automatically managed to provide a slack-free condition of the cable when the cable is moved in the extending and the retracting directions. The cable connector is easily accessible and the connector is positionable for ease of connection with the vehicle battery charging terminal. The cable management system for extending and retracting the overhead power cable employs a drive mechanism and a clutch assembly which are electronically controlled.

Abstract: A battery, a battery assembly, and a user equipment are disclosed. The battery includes a circuit board and a cell. The circuit board includes a first contact, a second contact, a third contact, a fourth contact, a battery management module, and a control switch. The first contact reports a capacity of the cell in the battery, or in the battery and a cascaded battery to an upper-level battery or an electricity load; the second contact receives and output the capacity of the cell in the cascaded battery; when the control switch is opened, the third contact is connected to the cell in the battery to charge or discharge the cell in the battery; when the control switch is closed, the fourth contact is connected to the third contact; and the battery management module triggers opening or closing of the control switch.

Abstract: An electrical energy storage device with damping function is a capacitor-cell battery formed of a plurality of capacitor cells connected in either series or parallel. Each of the capacitor cells includes a supercapacitor and a pseudocapacitor. The supercapacitor is a non-polarized capacitor internally having a separator, and the pseudocapacitor is a polarized electrochemical capacitor. The supercapacitor and the pseudocapacitor are electrically connected in parallel. The supercapacitor has a capacity close to or equal to that of the pseudocapacitor. When charging the capacitor-cell battery, the supercapacitor in every capacitor cell produces a polarization effect, so that electrical energy is charged thereinto as a result of voltage. And, due to a potential balance between the supercapacitor and the pseudocapacitor, the electrical energy charged into the supercapacitor is rapidly transformed into electric current that flows into and is stored in the pseudocapacitor.

Abstract: A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.

Abstract: The invention is in the field of monitoring and controlling of rechargeable battery arrays as used in telecommunications power plants and vehicles equipped with all-electrical or hybrid-electrical power train. The invention presents a method of embedding a microcontroller into each individual cell in the array, which executes measurements of cell voltage, temperature and optionally instantaneous current. These measurements are aimed to reflect the cell state-of-charge and its overall maintenance state, i.e. health or life expectancy. The measured data is then transmitted over the same wires that conduct the electrical energy to and from the battery cells using a Rogowsky type coil (a.k.a. current transformer) to superimpose a high-frequency alternating-current modulated signal over any direct current flowing through the power wires.

Abstract: An integrated circuit (IC) for controlling the discharge of a capacitor coupled across first and second input terminals of a power converter circuit, wherein the first and second terminals for receiving an ac line voltage. The IC includes a switching element coupled across the first and second input terminals and a detector circuit. The detector circuit including first and second comparators that produce first and second output signals responsive to a zero-crossing event of the ac line voltage. The first and second output signals being used to generate a reset signal coupled to a timer circuit responsive to the zero-crossing event. When the reset signal is not received within a delay time period, the timer circuit outputs a discharge signal that turns the switching element on, thereby discharging the capacitor.

Abstract: The present disclosure provides an electronic device protective case which is able to, by means of photovoltaic power generation, alleviate the insufficient capacity of a cell for an electronic device when it is used in the open air, and while an accumulator may be used as a power tank. A charging/discharging controller is used to control a photovoltaic cell panel in the protective case to store electric energy after the photovoltaic conversion in an accumulator, with the electric energy in the accumulator used to charge the electronic device. In addition, electrical connection states between an external data line port and the electronic device protective case as well as a port of an electronic device is controlled by means of a switch assembly, and when the switch assembly is in an ON state, the charging/discharging controller is used to control the accumulator or an external data line port to charge the electronic device.

Abstract: In a method for determining the state of charge of an electrical accumulator, individual cell voltages are recorded, and the highest and/or the lowest individual cell voltage is ascertained. A present maximum charge and/or a present minimum charge of the appertaining accumulator cell is determined using a characteristic curve and the highest and/or the lowest individual cell voltage.

Abstract: Methods and systems for implementing wireless charging identification using a sensor are described. A device platform operating a device, such as a mobile electronic device, may be configured to determine that the device is in wireless communication with a charging surface by receiving and analyzing information from sensors. A battery or another entity associated with the device may receive a charge wirelessly from the charging surface through induction or another means. The device platform may determine if an orientation of the device relative to the charging surface has changed depending on the state of the charging process. In some examples, the device platform may use information from an accelerometer, gyroscope, or magnetometer to determine whether the device has moved. Based on whether the orientation of the device has changed relative to the charging surface, the device platform may be configured to provide feedback through one or more systems, such as audible notifications.

Abstract: A vehicle and a vehicle battery charging system are disclosed. The vehicle charging system includes a parking structure having solar collector. The solar collector is configured to collect and concentrate solar energy. The concentrated solar energy is then transferred to a solar panel located on the vehicle in order to charge a battery of the vehicle.

Abstract: An information handling system (IHS) includes a base station that has a transmitter coil to generate a magnetic field for charging a portable power source of a battery-powered electronic device. A receiver coil magnetically receives power from the transmitter coil of the base station. A power control module connected to the portable power source and the receiver coil charges the portable power source with the received power. A flexible ferrite shield is positioned on a side of the receiver coil opposite to the transmitter coil to shield the IHS electronics. A pneumatic diaphragm is formed by a portion of the flexible ferrite shield that is positioned for oscillating movement into a center cavity of the receiver coil. A diaphragm actuator is attached to the pneumatic diagram and is responsive to a triggering signal to oscillate the pneumatic diaphragm to disperse thermal energy that is generated by the receiver coil.

Abstract: A dustproof cover of the disclosure is inserted into a charging port of an electronic device to prevent dust entering into the charging port. The charging port includes a pair of charging terminals. The dustproof cover includes a plug, a cover body fixed with one end of the plug, a plurality of metal connecting posts, and a conductive part located between the plug and the cover body. A first end of each metal connecting post extends into the plug, and a second end of each metal connecting post is electrically connected to the conductive part. In use, the plug is inserted into the charging port, the plurality of metal connecting posts contact the charging terminals, the conductive part is electrically connected to the charging terminals, and the cover body covers the charging port. The present disclosure also discloses a charging base corresponding to the dustproof cover.

Abstract: Charging systems and related methods are disclosed for switching voltage regulators. A charging controller may be configured to generate a control signal indicating a first level of an output current generated by a switching voltage regulator for charging an energy storage device, determine that an output voltage exceeded a predetermined threshold, and generate the control signal indicating a new level of the output current that is reduced from the first level. A method of controlling charging of an energy storage device may comprise monitoring an output voltage charging an energy storage device, comparing a reference signal and a current sense signal to generate a PWM control signal that determines an output current for a switching voltage regulator generating the output voltage, and decrementing the reference signal in response to the output voltage exceeding a predetermined level for a maximum charging voltage for the energy storage device.

Abstract: A multimedia terminal device for high-speed charging that allows for high-speed charging of a portable electronic device connected to a multimedia terminal and a method of controlling the same are provided. The multimedia terminal device includes a power converter that is configured to convert a voltage from a battery to a voltage for the high-speed charging and to supply the converted voltage to the multimedia terminal. In addition, a switching circuit is configured to select a high-speed charging mode when an engine is driven and a low-speed charging when the engine is stopped.

Abstract: A power transfer system transfers electric power from a power feeding device external to a vehicle to a power receiving device mounted on the vehicle in a contactless manner. The power feeding device includes a first reflective wall formed at a rear side of a transmitting coil with respect to a power transferring direction from the transmitting coil, to allow reflection of a magnetic flux output from the transmitting coil in the power transferring direction. The transmitting coil and the first reflective wall are arranged spaced apart from each other. The power receiving device includes a second reflective wall formed at a rear side of a receiving coil with respect to a power receiving direction from the transmitting coil, to allow reflection of a magnetic flux output from the transmitting coil to the receiving coil. The receiving coil and the second reflective wall are arranged spaced apart from each other.

Abstract: In a semiconductor circuit, a high frequency level detecting unit detects a level of a high frequency component adjusted with a first adjusting unit, and a first control unit controls a first gain of the adjusting unit according to the level of the high frequency component thus detected. Further, a low frequency level detecting unit detects a level of a low frequency component adjusted with a second adjusting unit. A second control unit controls a second gain according to the level of the high frequency component and the level of the low frequency component thus adjusted, so that a difference between the level of the high frequency component adjusted with the first adjusting unit and the level of the low frequency component adjusted with the second adjusting unit becomes smaller than a specific level determined in advance.

Abstract: A multimode battery charger circuit supporting switch mode and linear mode charging operations. In various embodiments, the multimode battery charging circuit includes mode control circuitry, a linear gate driver, a pulse width modulation (PWM) control circuit, a programmable constant current control loop circuit, and a programmable constant voltage control loop circuit. In operation, the mode control circuitry receives a charge mode indication signal corresponding to a desired charge mode. Based on this signal, the mode control circuitry enables either the linear gate driver or PWM control circuit to provide control signals to output transistors coupled between an adapter power port and a battery pack, thereby supporting a plurality of charging modes. In some embodiments, one or more of the output transistors are formed on a common substrate with the multimode battery charger circuit.

Abstract: There is disclosed a universal power pack, power supply and battery harvesting device. Generally, each comprises a receptacle for receiving at least one battery or battery pack having a different shape and/or nominal output voltage. A controller circuit is provided for regulating the output voltages and/or currents of the battery or batteries with the regulated voltage and current available at an output. The devices allow other devices to be powered or recharged, or batteries to be recharged. In a particular embodiment, a master cell and slave cell are provided wherein the slave cell continues to power attached devices when connection with the master cell is not available.