A battery thermal management system for an air vehicle includes a liquid heat exchange circuit. The system includes at least one battery in thermal communication with the liquid heat exchange circuit. The system includes a controller operatively connected to the liquid heat exchange circuit. The controller is configured and adapted to variably select whether heat will be rejected to the liquid heat exchange circuit. The system includes at least one heat exchanger positioned on the liquid heat exchange circuit. The at least one heat exchanger is a liquid-air heat exchanger or a liquid-liquid heat exchanger. A method for controlling a thermal management system for an air vehicle includes determining an expected temperature of at least one battery, and cooling the at least one battery with a cooling device if the expected temperature exceeds a pre-determined expected temperature threshold.

A battery cell thermal conditioning system for a vehicle includes a battery pack having multiple battery cells. Multiple foam layers are individually positioned between first successive ones of the battery cells. A first carbon nanotube sheet is positioned in direct contact with one of the battery cells on a first side of the foam layers and a second carbon nanotube sheet is positioned in direct contact with a different one of the battery cells on a second side of the foam layers. A cooling plate is positioned between second successive ones of the battery cells. A controller directs current flow to the first carbon nanotube sheet and the second carbon nanotube sheet when a temperature of the one of the battery cells contacted by the carbon nanotube sheet drops below a predetermined threshold temperature.

Embodiments of the present application relates to a battery, a power consumption device, and a method and device for producing a battery. The battery includes: a battery cell, the battery cell including a pressure relief mechanism; a fire-fighting pipeline configured to accommodate a fire-fighting medium, the fire-fighting pipeline including a first region corresponding to the pressure relief mechanism and a second region located at a periphery of the first region, the first region being configured to be damaged when the pressure relief mechanism is actuated, such that the fire-fighting medium is discharged; and a protective component disposed between the fire-fighting pipeline and the battery cell and configured to protect the second region. The battery, the power consumption device, and the method and device for producing the battery in the embodiments of the present application could improve the safety performance of the battery.

Embodiments of this application disclose a rechargeable battery monitoring system, a battery pack, and an electric vehicle. The rechargeable battery monitoring system includes multiple CMCs, a BMU, and a first bus. Each CMC is connected to the first bus and configured to monitor at least one battery module of a battery pack. The BMU is connected to the first bus and configured to communicate with at least one CMC. The rechargeable battery monitoring system further includes multiple pull-up and/or pull-down modules disposed on a communication path between two adjacent CMCs as part of the first bus. This rechargeable battery monitoring system can stabilize a level on the communication path between the two adjacent CMCs, mitigate an impact caused by external interference onto communication, and improve communication quality.

The present application discloses a positive electrode active material including a lithium nickel cobalt manganese oxide, the molar content of nickel in the lithium nickel cobalt manganese oxide accounts for 60%-90% of the total molar content of nickel, cobalt and manganese, and the lithium nickel cobalt manganese oxide has a layered crystal structure of a space group R 3m; a transition metal layer of the lithium nickel cobalt manganese oxide includes a doping element, and the local mass concentration of the doping element in particles of the positive electrode active material has a relative deviation of 20% or less; and in a differential scanning calorimetry spectrum of the positive electrode active material in a 78% delithiation state, an initial exothermic temperature of a main exothermic peak is 200° C. or more, and an integral area of the main exothermic peak is 100 J/g or less.

A dual-voltage battery for vehicles having a plurality of battery cells, wherein a respective group of battery cells is connected to form battery cell blocks, having a battery electronic system having a plurality of power switch elements, which, in an assembled state of the dual-voltage batteries, are arranged and designed for connecting at least individual battery cell blocks in series and/or in parallel, wherein a first voltage is provided in a first connection arrangement of the battery cell blocks and wherein a second voltage is provided in a second connection arrangement of the battery cell blocks, and having a multi-part housing containing the battery cells and the battery electronic system in the assembled state.

The electrolyte according to the present disclosure is an electrolyte that conducts alkali metal ions and is used for producing an energy storage device. The electrolyte includes an organic crystal layer including a layered structure, the layered structure including an organic skeletal layer including aromatic dicarboxylic acid anions having an aromatic ring structure and an alkali metal element layer including an alkali metal element to which oxygen included in carboxylic acid anions of the organic skeletal layer are coordinated to form a skeleton, and an organic solvent charged in the organic crystal layer.

A battery pack including first and second battery contactors respectively having first ends electrically connected to positive and negative electrode terminals of a battery; first and second charging contactors respectively having first ends electrically connected to second ends of the first and second battery contactors; a second power connector of a charger having first and second output terminals respectively electrically connected to the first and second input terminals being connected to the first power connector; and a control unit configured to, when a charging voltage is not applied from a power source of the charger to the battery pack between the first output terminal and the second output terminal, control at least one of the first charging contactor and the second charging contactor to change between a turn-on state and a turn-off state to diagnose a fault of each of the first charging contactor and the second charging contactor.

A secondary battery recombination system includes catalyst and hydrophobic gas diffusion layers defining an electrode that recombines hydrogen and oxygen into water, and a scaffold encapsulating and in non-bonded contact with the electrode. The electrode may be carbon cloth, carbon felt, carbon foam, or carbon paper. The scaffold may be expanded metal or perforated foil.

Provided is a heat dissipation cartridge, and a battery pack for an electric vehicle using the heat dissipation cartridge. The heat dissipation cartridge comprises a frame structure including a receiving through-hole formed in a central region so as to receive a pair of batteries and a seating part formed on a side wall of the receiving through-hole for seating the pair of batteries, wherein the frame structure is formed of heat-dissipating plastic and in which an aluminum frame is insert injection-molded.