Abstract: An apparatus and a method for protecting a wireless power receiver from excessive temperature caused by charging are provided. The apparatus includes a power receiver configured to receive wireless power in an alternate current (AC) form from a wireless power transmitter; a temperature measurement unit configured to measure a temperature of a point in the wireless power receiver during reception of the wireless power; and a controller configured to decrease a charging power corresponding to the wireless power, if a temperature measured by the temperature measurement unit exceeds a preset temperature, and to provide the charging power to a battery, if the temperature measured by the temperature measurement unit is lower than the preset temperature.

Abstract: A system includes a battery; an analog-to-digital converter coupled to the battery and capable of measuring an output voltage of the battery; a processor, receiving measured battery output voltages from the analog-to-digital converter; the processor using a first equivalent circuit model of the battery to estimate battery current when the battery operation is static; and the processor using a second equivalent circuit model of the battery to estimate battery current when the battery operation is dynamic.

Abstract: Embodiments of the present invention specifically relate to a system for seamlessly and simultaneously wirelessly charging portable chargeable devices with free positioning capability and a method therefor. The system comprises a charging subsystem. The charging subsystem comprises an electromagnetic shield for minimization of interference, and a transmitter coil array.

Abstract: A battery charger is disclosed for use with various batteries, such as automotive- and marine-type batteries. In accordance with an aspect of the invention, the charging current is alternated between non-zero DC charging current levels. By alternating the charging current between non-zero DC charging levels, the battery can be charged to a higher capacity (i.e., ampere hours) faster, thus reducing the charging time and at the same time allow the rating of the battery charger to be increased. In accordance with another important aspect of the invention, the technique for alternating the charging current can be implemented in both linear- and switched-mode battery chargers.

Abstract: A mobile inductive charging station for vehicles has an overlay, a primary coil connected to the overlay, and at least one recess on an upper side of the overlay. The recess is equipped with inner side faces and is adapted to receive at least one tire contact area of a vehicle tire. The overlay has a flat underside opposed to the upper side.

Abstract: A wireless charging system for charging a tool includes a tool holder and charging module. The tool holder includes a mounting interface, a holding portion extending from the mounting interface, and at least one surface t configured to mount the tool holder onto a support surface, such as of a mobile structure. The charging module is mounted in the mounting interface, and includes an inductive charging device that wirelessly charges a tool resting on the charging module. The holding portion is configured to at least partially engage the tool and act as a transverse support relative to the mounting interface. The at least one surface can include a base of the tool holder for horizontal mounting, a side of the tool holder for vertical mounting, or two opposite sides of the tool holder for mounting on a mounting rail.

Abstract: A solar thermal collector is disclosed. The solar thermal collector has side surfaces and a bottom supported by a support frame shaped into a square shifter and installed tilted on a rooftop of a building by means of a plurality of angle connections. The solar thermal collector includes a reverse bias circuit. The top of a lower surface of the support frame is level with a tilted surface of the solar thermal collector or the support frame includes a tilted surface tiled downward, which is formed along a horizontal direction, lower than the surface of the solar thermal collector.

Abstract: A non-contact type power transmission apparatus and method thereof, includes a control unit configured to provide assigned location information to a device. The apparatus also includes a display unit configured to display location-based service data provided to the device based on the location information.

Abstract: A lithium-ion battery includes a lithium-ion cell, a positive electrode terminal, a positive/negative electrode insulation sheet, a connector and a housing used as a negative electrode. The lithium-ion cell is arranged in the housing, the connector is arranged between the lithium-ion cell and the housing. The positive electrode terminal is installed on one end of the lithium ion cell. A circuit board is arranged between the battery positive/negative electrode and the lithium-ion cell. A voltage/current control and overcharge/over-discharge protection circuit is integrated on the circuit board. The voltage/current control and overcharge/over-discharge protection circuit can adjust the voltage of the lithium-ion battery to be a voltage of 1.5V/1.2V. The shape and size of the housing can be designed to be any shapes to replace traditional dry batteries according to requirements. The lithium-ion battery can be designed to be using the same port to do the discharging and charging work.

Abstract: In one embodiment, a method includes integrating a charging pad into a powered device having a power supply, where the powered device is at least one of a monitor and a keyboard. The method includes configuring the charging pad to receive a first chargeable device in a charging position relative to the charging pad. The method further includes configuring the charging pad to deliver an electrical charge from the power supply to the first chargeable device when the chargeable device is in the charging position.

Abstract: An apparatus for charging an electric vehicle includes a DC voltage source, and a charge dispenser connected to the DC voltage source. The charge dispenser is configured to receive first data from a remote clearinghouse and to control charging of the electric vehicle based at least in part on that received first data.

Abstract: The present disclosure provides an energy storage device comprising at least one electrochemical cell comprising a negative current collector, a negative electrode in electrical communication with the negative current collector, an electrolyte in electrical communication with the negative electrode, a positive electrode in electrical communication with the electrolyte and a positive current collector in electrical communication with the positive electrode. The negative electrode comprises an alkali metal. Upon discharge, the electrolyte provides charged species of the alkali metal. The positive electrode can include a Group IIIA, IVA, VA and VIA of the periodic table of the elements, or a transition metal (e.g., Group 12 element).

Abstract: A battery-state estimation device obtains, at a first timing, a first resistance value corresponding to a first open circuit voltage of a lithium-ion secondary battery and a second resistance value corresponding to a second open circuit voltage, which is higher than the first open circuit voltage, of the lithium-ion secondary battery. Further, the battery-state estimation device obtains, at a second timing which is different from the first timing, a third resistance value corresponding to the first open circuit voltage and a fourth resistance value corresponding to the second open circuit voltage. The battery-state estimation device determines presence or absence of lithium deposition in the lithium-ion secondary battery, based on a magnitude relation between a first variation amount of the third resistance value with respect to the first resistance value and a second variation amount of the fourth resistance value with respect to the second resistance value.

Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip, and the charger may include: a plurality of terminals that are positioned on the charger chip; a plurality of switching units, positioned on the charger chip; and at least one control circuit, positioned on the charger chip and coupled to the plurality of switching units. For example, the control circuit may be arranged for controlling the plurality of switching units to allow charging using any of a plurality of adaptors corresponding to different voltages, wherein a first charging path and a second charging path of the charger correspond to a first adaptor and a second adaptor within the plurality of adaptors, respectively.

Abstract: A charger charges a rechargeable battery pack of a cordless power tool. The charger includes at least one wall that at least partially defines a battery pack receiving space for the battery pack, a first guide extending away from the at least one wall, and a second guide extending away from the at least one wall and spaced from the first guide. The at least one wall, the first guide and the second guide are configured to guide the battery pack to a prescribed position relative to the at least one wall. The first guide and the second guide each include a portion inclined relative to the insertion direction by an angle of inclination such that the distance between the inclined portion of the first guide and the inclined portion of the second guide decreases in the insertion direction.

Abstract: Systems and devices for a high-efficiency magnetic link for implantable devices are disclosed herein. These devices can include a charging coil located in the implantable device and a charging coil located in a charge head of a charger. The charging coils can each include an elongate core and wire windings wrapped around a longitudinal axis of the elongate core. The charging coil of the charge head can be attached to a rotatable mount, which can be used to align the longitudinal axis of the charging coil of the charge head with longitudinal axis of the implantable device such that the axes of the charging coils are parallel.

Abstract: In control means (10), a position of a mobile terminal (15) on an upper surface of a mobile terminal installation plate (6) is detected a plurality of times by a position detection coil (14) used as detection means, and when a previous detected position and a subsequent (referred to as next) detected position are the same, a charging coil (8) is moved by motors (28), (33) used as driving means to a charging position opposed to the previous detected position or the next detected position detected by the position detection coil (14), and the charging is then started.

Abstract: Methods and systems are provided. One method includes processing communication between a vehicle and one or more connected object. Included is processing geo-location for the vehicle using on-board electronics of the vehicle and data obtained from a global positioning system and determining a heading direction of the vehicle based on changes in the geo-locations of the vehicle. The method receives state information of one or more of connected objects that are located within an area of influence associated with a current geo-location of the vehicle. The connected objects are independent of the vehicle and the state information from the one or more connected objects is processed for the current geo-location of the vehicle and based on the area of influence of the vehicle.

Abstract: Configurations and methods of wireless power transmission using a laptop computer may include a transmitter and/or a receiver embedded in the laptop screen. The embedded transmitter may emit RF waves for the generation of pockets of energy that may be utilized by receivers in peripheral devices for charging or powering. Meanwhile, the receiver embedded in the laptop computer may collect RF waves from a separate transmitter for charging or powering the laptop computer.

Abstract: Apparatus for inductively transmitting power, which apparatus comprises a primary unit with a primary coil and a secondary unit with a secondary coil, and in which the primary coil induces a magnetic transmission field in a transmission area between the primary unit and the secondary unit, and which has an even number of detector coil elements which are wound in opposite directions in pairs and form a detector pair.