Disclosed is a positive electrode for a lithium secondary battery and to a lithium secondary battery using the same, which have improved wetting properties by coating a binder constituting a positive electrode with an ethylene monomer-containing copolymer. A positive electrode according to the…

A device for extracting operation information about a connected car is proposed. The device may include an outlier remover removing outliers from speed data in which the speed of a vehicle is measured at every predetermined time interval and stored, and from accumulated travel section data in which…

A system for foreign object detection (FOD) in wireless power transfer is proposed. The system may include a balanced coil which is disposed between a transmitter coil and a receiver coil and which includes a Maxwell bridge circuit. The system may also include a temperature sensor configured to…

This application relates to an extremely high frequency (mmWave) wireless power transfer device, method, and system using a Rotman lens. The device includes a radio frequency (RF) chain including transmitters individually generating signals of a mmWave band, and adjusting phase and amplitude of…

A zinc-bromine flow battery is proposed. The battery may include a conductive interlayer that can reduce the amount of inactive zinc in the form of dendrites on a negative electrode, thereby improving the zinc desorption process and improving the capacity and lifespan characteristics of the…

This application relates to a location tracking device and method using a feature matching. The location tracking device may include a sensor, a camera, and a controller. The sensor is provided in a predetermined object and collects sensing information including at least one of speed, direction…

The present invention provides a system for wireless power transmission, wherein the system is a system for wireless power transmission detecting a foreign object, including a power transmitting coil for transmitting AC power, a power receiving coil for receiving the AC power transmitted from the…

A power transmitting unit (PTU) for wireless power transmission (WPT) includes a communication transceiver and a power controller. The communication transceiver connects a communication link with at least one power receiving unit (PRU) through legacy communication and exchanges parameters necessary…