Abstract: A power battery assembly is provided. The power battery assembly comprises a battery circuit having at least one battery module and a relay. A normally open contact of the relay is connected with the battery circuit in series. The power battery assembly also comprises a controller for controlling the normally open contact of the relay. An input end and an output end of the relay are connected with the controller. The power battery assembly further comprises a fuse protector connected with the battery circuit in series.

Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.

Abstract: A cover assembly and a battery comprising the same are provided. The cover assembly comprises: a cover plate body formed with at least a via hole penetrating therethrough; a cover plate connecting member hermetically connected with the cover plate body at the via hole, which is formed with an electrode receiving hole therein; and an electrode terminal penetrating through the electrode receiving hole to be hermetically connected with and insulated from the cover plate connecting member for leading out a current.

Abstract: A solar charger for charging a power battery is provided, comprising: a photo-sensitive unit configured to detect light intensity; a charging unit configured to receive a voltage transformed from solar energy and to boost the voltage for charging the power battery; a switch unit coupled between the charging unit and the power battery and configured to disconnect the charging unit from the power battery or connect the charging unit with the power battery; and a control unit coupled to each of the photo-sensitive unit, the switch unit, and the charging unit, and configured to switch on the charging unit and the switch unit when the light intensity is higher than a first predetermined value to charge the power battery.

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 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: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.

Abstract: An electrode terminal, a cover assembly and a battery comprising the cover assembly are provided. The electrode terminal comprises: a terminal pole portion, and a pole cap portion formed on an end of the terminal pole portion, and a buffering structure disposed on a surface of the pole cap portion facing to the terminal pole portion.

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 sealing assembly, a method of preparing the sealing assembly and a battery are provided. The sealing assembly comprises a metal ring having a mounting hole therein; a ceramic ring having a connecting hole therein and disposed in the mounting hole; and a core column disposed in the connecting hole, wherein at least one of an inner circumferential wall surface of the metal ring, an outer circumferential wall surface of the ceramic ring, an inner circumferential wall surface of the ceramic ring and an outer circumferential wall surface of the core column is configured as an inclined surface, and an inclination angle of the inclined surface relative to a vertical plane is about 1 degree to about 45 degrees.

Abstract: A battery explosion-proof device battery explosion-proof device includes a valve body, a rupture plate, and a protecting cover. The valve body includes a base portion and a shaft portion connected with the base portion. The shaft portion may be formed with threads on an external circumferential surface thereof and with a venting passage. The rupture plate may be disposed inside a concaved portion of the base portion for sealing the venting passage. The protecting cover covers the concaved portion.

Abstract: A charging system for an electric vehicle and an electric vehicle including the same are provided. The charging system includes: a power battery; a first charging interface and a second charging interface connected with an external power source respectively; a first charging control branch connected between the power battery and the first charging interface, and a second charging control branch connected between the power battery and the second charging interface; and a controller connected with the first charging interface and the second charging interface respectively.

Abstract: A shell, a method of preparing the shell and an electronic product comprising the shell are provided. The shell may comprise: a metal shell body, a plastic part made of a resin, and an oxide layer formed between the metal body and the plastic part, joining the plastic part to the metal shell body, wherein the oxide layer contains corrosion pores having an average diameter of about 200 nm to about 2000 nm in the surface contacting the plastic part, and nanopores having a diameter of about 10 to 100 nm in the surface contacting the metal shell body, and a part of the resin is filled in the corrosion pore and corrosion pore.

Abstract: A method for integrally molding a metal and a resin and a metal-resin composite structure obtainable by the same are provided. The method comprises forming a nanopore in a surface of a metal sheet; melting a thermoplastic resin on the surface of the metal sheet formed with the nanopore; and injection molding the thermoplastic resin onto the surface of the metal sheet. The thermoplastic resin includes a mixture of a main resin and a polyolefin resin, the main resin is a polycarbonate, and the polyolefin resin has a melting point of about 65° C. to about 105° C.

Abstract: A method for checking an out-of-step of a synchronous motor includes detecting electric degrees of the synchronous motor, in which the electric degrees comprise at least a first electric degree and a second electric degree detected at a preset interval, and the second electric degree is detected after the first electric degree; comparing the first electric degree with the second electric degree to obtain a comparing result; and determining that the synchronous motor is out of step when the comparing result satisfies a preset requirement. It is determined that the synchronous motor is out of step when the electric degree keeps unchanged or decreases progressively, or an increment of the electric degree is very small.

Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.

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: An oil pump is provided. The oil pump comprises: a shell; a rotor mounting part on the shell and having a rotor supporting structure; and a rotor mechanism disposed on the rotor mounting part. The shell has an inlet and an outlet and defines a low-pressure oil chamber and a high-pressure oil chamber. A partition wall is disposed between the low-pressure oil chamber and the high-pressure oil chamber for separating the low-pressure oil chamber and the high-pressure oil chamber. An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.

Abstract: A method for integrally molding a metal and a resin and a metal-resin composite structure obtainable by the same are provided. The method comprises forming a nanopore in a surface of a metal sheet; melting a thermoplastic resin on the surface of the metal sheet formed with the nanopore; and injection molding the thermoplastic resin onto the surface of the metal sheet. The thermoplastic resin is a mixture of a main resin and a polyolefin resin, the main resin is a mixture of polyphenylene oxide and a polyamide, and the polyolefin resin has a melting point of about 65° C. to about 105° C.

Abstract: A method of preparing aluminum alloy-resin composite and an aluminum alloy-resin composite obtained by the same are provided. of the method comprises: S1: anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, the oxide layer including nanopores; S2: immersing the resulting aluminum alloy substrate obtained in step S1 in a buffer solution having a pH of about 10 to about 13, to form a corrosion pores on an outer surface of the oxide layer; and S3: injection molding a resin onto the surface of the resulting aluminum alloy substrate obtained in step S2 in a mold to obtain the aluminum alloy-resin composite.