An electrified vehicle include a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, an electric motor supported by the chassis, and a trailer coupled to a rear end of the chassis and configured to be towed by the electrified vehicle. The electric motor is configured to drive at least one of the front axle, the rear axle, or a component of the electrified vehicle. The trailer includes a trailer frame, a trailer axle coupled to the trailer frame, and an energy storage device supported by the trailer frame. The energy storage device includes a plurality of batteries. The energy storage device configured to power the electric motor.

The invention relates to a device (2) for cooling a plurality of electronic elements (11) that are capable of releasing heat when supplying power to an appliance or vehicle, wherein the electronic elements are arranged in a housing (12), the device (2) comprises at least one element (22) for spraying a diphasic dielectric fluid (3) onto the electronic elements (11), as well as a condenser (26) with a cooling fluid circuit (23), the housing (12) comprises a receptacle (25) for collecting the dielectric fluid (3), the cooling device (2) comprises a dielectric fluid circuit (21) with a circulation pump (24), which is configured to draw the dielectric fluid (3) from the collection receptacle (25) and is directly connected to the spraying element (22), characterised in that the cooling device (2) comprises a system (4) for controlling the internal pressure of the housing (12), the control system (4) comprising a control module (41) configured to generate a control command to control the internal pressure depending on a state of the cooling device and/or a state of the appliance or vehicle.

Provided is a lithium-ion assembled battery in which two or more single cells are laminated and the DC resistance value between the single cells is low. The assembled battery has two or more single cells including a laminating unit in which a positive electrode current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode current collector are laminated in order, in the assembled battery, one single cell and the other single cell are laminated such that the positive electrode current collector of the one single cell and the negative electrode current collector of the other single cell are in contact with each other, the positive electrode current collector is made up of a conductive resin layer containing a polyolefin resin (A1) and a conductive carbon filler (B1), the negative electrode current collector is made up of two or more kinds of conductive layers, and the conductive layer disposed on an outer side among the conductive layers in the negative electrode current collector contains the polyolefin resin (A1) and the conductive carbon filler (B1).

Provided is a lithium-ion assembled battery in which two or more single cells are laminated and the DC resistance value between the single cells is low. The assembled battery has two or more single cells including a laminating unit in which a positive electrode current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode current collector are laminated in order, in the assembled battery, one single cell and the other single cell are laminated such that the positive electrode current collector of the one single cell and the negative electrode current collector of the other single cell are in contact with each other, the positive electrode current collector is made up of a conductive resin layer containing a polyolefin resin (A1) and a conductive carbon filler (B1), the negative electrode current collector is made up of two or more kinds of conductive layers, and the conductive layer disposed on an outer side among the conductive layers in the negative electrode current collector contains the polyolefin resin (A1) and the conductive carbon filler (B1).

A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.

A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.

The present application discloses a battery cell, a battery and a power consumption apparatus. The battery cell may include: a housing filled with an electrolyte inside; at least one core assembly arranged in the housing and at least one closed liquid bladder holding the electrolyte, the liquid bladder being arranged in the housing, and at least being provided corresponding to a side wall of the core assembly; at least one weakened structure being provided on the liquid bladder. Under a condition that a pressure in the liquid bladder reaches a threshold value, the electrolyte in the liquid bladder may break through the weakened structure and flow out of the liquid bladder.

The present application discloses a battery cell, a battery and a power consumption apparatus. The battery cell may include: a housing filled with an electrolyte inside; at least one core assembly arranged in the housing and at least one closed liquid bladder holding the electrolyte, the liquid bladder being arranged in the housing, and at least being provided corresponding to a side wall of the core assembly; at least one weakened structure being provided on the liquid bladder. Under a condition that a pressure in the liquid bladder reaches a threshold value, the electrolyte in the liquid bladder may break through the weakened structure and flow out of the liquid bladder.

A wiring module includes a first flexible printed circuit and a second flexible printed circuit that is separate from the first flexible printed circuit. The first flexible printed circuit and the second flexible printed circuit are arranged so as to be continuous in a first direction and are shaped as a band that extends in the first direction. A connector is mounted to each of the first flexible printed circuit and the second flexible printed circuit. The fitting direction in which the connector mounted to the first flexible printed circuit is fitted to a partner connector is different from the fitting direction in which the connector mounted to the second flexible printed circuit is fitted to a partner connector.

A wiring module includes a first flexible printed circuit and a second flexible printed circuit that is separate from the first flexible printed circuit. The first flexible printed circuit and the second flexible printed circuit are arranged so as to be continuous in a first direction and are shaped as a band that extends in the first direction. A connector is mounted to each of the first flexible printed circuit and the second flexible printed circuit. The fitting direction in which the connector mounted to the first flexible printed circuit is fitted to a partner connector is different from the fitting direction in which the connector mounted to the second flexible printed circuit is fitted to a partner connector.