Abstract: A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface; a charging connection device, having a first terminal connected with the AC charging interface and a second terminal connected with an exterior equipment, and configured to transmit an AC output from the AC charging interface to the exterior equipment; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the charging connection device is connected with the AC charging interface, and if yes, to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box and configured to provide a DC via the external discharging circuit.

Abstract: A method for manufacturing an epitaxial wafer for a light emitting diode (LED) is provided. The method may comprise: forming a back coating layer on a back surface of a substrate; forming a buffer layer on a top surface of the substrate; forming an N-type semiconductor layer on the buffer layer; forming a multi-quantum well layer on the N-type semiconductor layer; and forming a P-type semiconductor layer on the multi-quantum well layer. An epitaxial wafer and a method for manufacturing an LED chip are also provided.

Abstract: A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface; a charging connection device, configured to transmit an AC output from the AC charging interface to another electric vehicle; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the charging connection device is connected with the AC charging interface, and if yes, to emit a PWM wave and to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, configured to provide a DC via the external discharging circuit.

Abstract: An active discharging system for an electric vehicle and an electric vehicle including the same are provided. The active discharging system includes a power battery; a bus capacitor; a charge-discharge socket; a bidirectional DC/DC module; a driving control switch; a bidirectional DC/AC module; a motor control switch connected with the bidirectional DC/AC module and a motor; a charge-discharge control module connected with the bidirectional DC/AC module and the charge-discharge socket; and a controller module configured to control the driving control switch, the motor control switch and the charge-discharge control module according to a current operation mode of the active discharging system, to control the bus capacitor to continue charging the power battery after a charge is finished, and to control the bus capacitor to continue discharging after a discharge is finished until a voltage across the bus capacitor is less than a first predetermined value.

Abstract: A groove structure formed on a surface of a substrate. The groove structure includes a lateral epitaxial pattern in a cross section perpendicular to the surface, which has: a first edge inclined to the surface; a second edge adjacent to first edge and parallel to the surface; a third edge parallel to the first edge, having a projection on the surface covering the second edge; and a fourth edge adjacent to the third edge. A first intersection between the second edge and the third edge on the second edge and an injection of a second intersection between the third edge and the fourth edge on the second edge are located on two sides of a third intersection between the first edge and the second edge, or the injection of the second intersection between the third edge and the fourth edge on the second edge coincides with the third intersection.

Abstract: An electric vehicle and an integrated control system thereof are provided.

Abstract: A sealing assembly for a battery, a method of preparing the sealing assembly and a lithium ion battery are provided. The sealing assembly for a battery comprises: a ceramic ring (3) having a receiving hole (31), a metal ring (4) fitted over the ceramic ring (3) for sealing an open end of the battery, and a column (2) formed in the receiving hole (31) which comprises a metal-metal composite (21), wherein the metal-metal composite (21) comprises: a metal porous body, and a metal material filled in pores of the metal porous body.

Abstract: A charging system for an electric vehicle and an electric vehicle are provided. The charging system comprises: a power battery; a charge-discharge socket; a bidirectional DC/DC module having a first DC terminal connected with a first terminal of the power battery and a second DC terminal connected with a second terminal of the power battery; a bidirectional DC/AC module having a first DC terminal connected with the second terminal of the power battery and a second DC terminal connected with the first terminal of the power battery; a charge-discharge control module having a first terminal connected with the AC terminal of the bidirectional DC/AC module and a second terminal connected with the charge-discharge socket; and a controller module connected with the charge-discharge control module, and configured to control the charge-discharge control module according to a current operation mode of the charging system.

Abstract: A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface, connected with a charging pile and configured to transmit an AC to a power grid via the charging pile; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the AC charging interface is connected with the charging pile after receiving the discharging preparation instruction, and to detect whether there is a PWM wave with a predetermined voltage in the controller, and if there is a PWM wave with a predetermined voltage in the controller, to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box.

Abstract: A lamp for a compartment of a vehicle includes: a base, a mounting plate disposed on the base and having a power source receiving part, a power source received in the power source receiving part, and a lamping source disposed on the mounting plate and having a luminous region of a sector shape. The power source receiving part is located at a side of the lamping source.

Abstract: A power system switching between a charge-discharge function and a driving function and an electric vehicle including the same are provided. The power system includes a power battery; a charge-discharge socket; a bidirectional DC/DC module; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charge-discharge control module connected with the bidirectional DC/AC module and the charge-discharge socket; and a controller module configured to establish a path between the power battery and the motor when a current operation mode of the power system is a driving mode, and to establish a path between the charge-discharge socket and the power battery when the current operation mode of the power system is a charge-discharge mode.

Abstract: A dimming controlling circuit for LED includes: a switch configured to connect a main circuit and a power grid; a switch-on duration controlling circuit configured to output a switch-on duration controlling signals according to action times of the switch; a switch-off controlling circuit configured to output a switch-off controlling signal according to a comparison result of the voltages of the switch-on duration controlling signal and of a signal from a terminal of a switch transistor in the main circuit; a switch-on controlling circuit configured to generate a switch-on controlling signal after a first preset duration since receiving the switch-off controlling signal; and a logic unit configured to output a switch transistor controlling signal.

Abstract: A method for selective metallization of a surface of a polymer article is provided. The polymer article contains a base polymer and at least one metal compound dispersed in the base polymer. The method includes gasifying at least a part of a surface of the polymer article by irradiating the surface with an energy source, and forming at least one metal layer on the surface of the polymer article by chemical plating. The metal compound contains a tin oxide doped with at least one doping element selected from a group including: V, Sb, In, and Mo.

Abstract: A device for moving one or more vehicle-mounted objects and a vehicle having the same are provided. The device comprises: a housing; a cover; at least one pivot for adjusting the cover, the at least one pivot disposed in the housing and comprises a first end and a second end, wherein the first end of the at least one pivot is coupled with the cover; and a box assembly disposed in the housing, the box assembly being movable between a first position away from the opening and a second position near the opening. The box assembly is coupled with the second end of the at least one pivot, wherein the cover exposes at least a part of the opening when the box assembly is at the second position, and wherein the cover covers at least a part of the opening when the box assembly is at the first position.

Abstract: A device for detecting a PWM wave, comprising: a PWM wave generating module, configured to generate the PWM wave; a detecting module coupled to the PWM wave generating module, configured to receive the PWM wave and to determine an electric level of the PWM wave; a timer coupled to the detecting module, configured to start a counting when the detecting module receives the PWM wave, and to interrupt the counting when the counting reaches a predetermined value, the detecting module determining whether the electric level of the PWM wave is a high electric level or a low electric level when the counting is interrupted; and a calculating module coupled to the detecting module, configured to calculate a duty ratio of the PWM wave based on a number of high electric level and a number of low electric level of the PWM wave determined within one period of the PWM wave.

Abstract: An electric heater, and an apparatus, a heating and air conditioning system and a vehicle, each comprising the electric heater, are provided. The electric heater comprises an outer frame; a heating core configured to connect to a power source and disposed within the outer frame; and a sealing-waterproof glue member disposed within the outer frame and configured to encase at least one end of the heating core. The heating core further comprises: a plurality of heat dissipating components and heating components arranged alternately, and each of the heat dissipating component is coupled with a heating component via a thermal conductor. Each of the heating components further comprises a core tube and a positive temperature coefficient thermistor disposed in the core tube.

Abstract: A method and a system for controlling vehicle electric power, and a vehicle comprising the same, are provided. The method includes converting a first voltage supplied by at least one of a startup generator and a storage battery of the vehicle into a second voltage, and controlling the at least one of the startup generator and the storage battery to supply power to a first device with the first voltage, and to supply power to a second device with the second voltage. The system includes a startup generator and a storage battery, configured to supply a first voltage, and a converter configured to convert the first voltage into a second voltage. At least one of the startup generator and the storage battery is configured to supply power to a first device with the first voltage, and to supply power to a second device with the second voltage.

Abstract: The present disclosure provides a metal compound. The metal compound is represented by a formula (I): Cu2A?B2-?O4-? (I). A contains at least one element selected from the groups 6 and 8 of the periodic table. B contains at least one element selected from the group 13 of the periodic table, 0<?<2, and 0<?<1.5. Polymer article containing the metal compound and method for preparing the polymer article as well as selective metallization of a surface of the polymer article are also provided. In addition, the present disclosure provides an ink composition and the selective metallization for a surface of the insulative substrate using the ink composition.

Abstract: A hybrid power driving system is provided, comprising an engine; a first motor; a first reducing mechanism, a second clutch, a first wheels group, a second motor, a second wheels group, a second reducing mechanism, an energy storage device, a clutch, an engine controller, and a motor controller. The motor controller may be configured to: start or stop at least one of the first motor or the second motor; and control the clutch controller and the engine controller according to a running mode of the hybrid power driving system. A driving method for the driving system as described hereinabove is also provided.

Abstract: A device for moving a vehicle-mounted object and a vehicle having the same are provided. The device comprises a housing with an opening, a cover frame mounted on the housing, a cover with a surface for mounting the vehicle-mounted object thereon, the cover being coupled with the cover frame and being capable of pivoting to either expose or cover at least a part of the opening, and a platform slidably fitted within the housing, being coupled with the cover and movable between a first position to cause the cover to pivot to expose at least a part of the opening, and a second position to cause the cover to pivot to cover at least a part of the opening.