An automobile charger, a charging method and a medium are provided. The charger includes a MCU, a switching power supply circuit, a first and second charging circuits, a battery voltage detection circuit, a charging current detection circuit, a constant-current driving control circuit, a constant-voltage driving control circuit and a switch driving control circuit. The charger is provided with the first and second charging circuits, which can realize three charging modes on the battery. The real-time voltage signal and the real-time current signal are collected with the battery voltage detection circuit and the charging current detection circuit, and through feedback of the real-time voltage signal and the real-time current signal, the MCU is configured to output PWM signals with different duty ratios to the constant-current driving control circuit and the constant-voltage driving control circuit, so as to realize output of different voltage values and current values of the switching power supply.

An energy storage apparatus includes a cell, a relay which cuts off a current of the cell, a bypass circuit connected in parallel with the relay, and a management device. The bypass circuit includes two back-to-back connected FETs. When an abnormality of the cell is detected by the management device, the management device opens the relay, closes one FET of the two FETs, and opens the other FET, and permits a discharge or a charge of the cell through a path passing through a parasitic diode of the FET. When the discharge or the charge is being performed through the path passing through the parasitic diode, if a current I and an energization time T of the FET(s) reach a predetermined condition or the temperature of the FET(s) reaches a predetermined condition, the management device 150 closes the relay 53 and the other FET(s) that is open.

A multi-level inverter using cascaded H-bridge modules, where each module can balance its at least two charge storage elements by means of voltage equalization. Modules are arranged in series into at least one cascade inverter phase with optional center taps, and modules communicate with a control unit by being addressed over at least one serial communication bus. Additional features that can be included in embodiments are the configuration of modules to react to multiple specific addresses in order to increase the maximum output voltage slew rate, metal circuit breaking springs to provide fusing within modules, and the ability to interconnect multiple physically distinct inverters into a single unit. This inverter is predominantly intended for electric vehicle applications, and the optional incorporation of a switching array allows the possibility for power transfer to or from a wide range of voltage sources including other inverters.

A wireless rechargeable solid-state battery module includes a solid-state battery; internal structures that are provided with an internal circuit electrically connected with the solid-state battery; a barrier layer that isolates the solid-state battery from an outside air environment; and a positive electrode terminal and a negative electrode terminal each of which is electrically connected with the solid-state battery, is exposed on an outer surface, and is arranged so that the positive electrode terminal or the negative electrode terminal can be mounted on a mounting board. The internal circuit includes a wireless charging circuit that receives power from an outside via an electromagnetic field or a magnetic field produced by power transmission from the outside and controls charging to the solid-state battery.

An electrified vehicle includes an electric traction motor, a high voltage (HV) battery system including a HV battery pack configured to power the electric traction motor. The HV battery pack includes a plurality of battery modules each configured to store electrical energy, an auxiliary storage device electrically coupled to the battery modules, and one or more switches/relays configured to selectively allow transfer of electrical charge from each battery module to the auxiliary storage device. A battery management system (BMS) includes a controller programmed to detect a thermal runaway event of one or more of the battery modules, and open/close the one or more switches/relays in response to detecting the thermal runaway event to thereby transfer electrical charge from the one or more battery modules experiencing the thermal runaway event to the auxiliary storage device, to thereby slow or prevent a propagation of the thermal runaway.

A charging system comprises a coupler configured to be coupled to an inlet of a vehicle and including a user interface, the user interface including a momentary switch mounted on the outer surface of the coupler and configured to receive a user input for an output current level selected by a user; and a light display mounted on the outer surface of the coupler and configured to illuminate a light to visually show the user selected output current level; and an in-cable control and protection device (ICCPD) disposed within a cable, the ICCPD configured to receive the user input from the momentary switch; determine an output current level that the charging system operates at, among the user selected output current level or a current limit level; and transmit back the user selected output current level to the coupler, wherein the vehicle is charged with the determined output current level.

An acquisition unit of a charging control system acquires battery data including at least one of a current flowing through a battery and a temperature of the battery when the battery is charged. A detector thereof detects an abnormal phenomenon of the battery based on at least one of a behavior of the current and a behavior of the temperature when the battery is charged. A charging current changer thereof changes a current rate when the battery is charged next time to a value obtained by multiplying (0<<1) by the current rate when the abnormal phenomenon of the battery is detected.

A light unit executes up to three different functions (cabin area illumination, individual/dedicated/decorative illumination and emergency illumination) and an emergency illuminated sign unit, each one with an internal controller and a rechargeable capacitor. An example non-limiting embodiment also provides a cabin light system and an emergency lighting system, where each illumination unit (light source or illuminated sign) is as described above.

A battery module includes a first set of power contacts and a first set of signal contacts. A battery pack is operable to deliver electrical power to the set of power contacts. An electronic isolation system is operable to electrically disconnect and electrically connect the battery pack and the first set of power contacts. An electronic control system is operable to obtain a comparisons between a state of charge, state of health, temperature and power of the battery module and an electrical device. A closing parameter is calculated that is based on at least one of the comparisons. The closing parameter is compared to a predefined closing parameter value to result in a connect determination. The electronic isolation system connects or disconnects the battery pack to the first set of power contacts based on a positive or a negative result respectively of the connect determination.

A battery pack includes a battery module in which a plurality of battery cells are mounted; and a discharge member electrically connected to the battery module, wherein the discharge member comprises a frame member having an open upper portion and containing a coolant, an upper cover for covering the upper portion of the frame member, and a resistor mounted in the frame member, and wherein both ends of the resistor are exposed to the outside of the discharge member, and are electrically connected to the battery module.