A charge-discharge control circuit, method, device and a storage medium are provided. In some embodiments, the circuit includes: a starting power supply; and a main positive switch unit. In those embodiments, a first terminal of the main positive switch unit is connected to the starting power supply, and a second terminal of the main positive switch unit is connected to a generator of the vehicle and a load of the vehicle. The main positive switch unit is configured to interrupt a current in a first current direction, which is a current direction when the generator charges the starting power supply. The circuit also includes a battery management module configured to detect a voltage of the starting power supply, and control the main positive switch unit to interrupt the current in the first current direction when the voltage of the starting power supply reaches a preset voltage threshold.

A charge-discharge control circuit, method, device and a storage medium are provided. In some embodiments, the circuit includes: a starting power supply; and a main positive switch unit. In those embodiments, a first terminal of the main positive switch unit is connected to the starting power supply, and a second terminal of the main positive switch unit is connected to a generator of the vehicle and a load of the vehicle. The main positive switch unit is configured to interrupt a current in a first current direction, which is a current direction when the generator charges the starting power supply. The circuit also includes a battery management module configured to detect a voltage of the starting power supply, and control the main positive switch unit to interrupt the current in the first current direction when the voltage of the starting power supply reaches a preset voltage threshold.

A battery tray for an electric vehicle includes a tub component that has a floor portion and a perimeter wall portion that integrally extends upward around a peripheral edge of the floor portion to border a battery containment area of the tub component. The tub component may include a plurality of cross member portions that integrally interconnect with the floor portion and the perimeter wall portion so as to span laterally across the battery containment area to divide the battery containment area into separate compartments. A support structure of the battery tray may have an elongated member coupled at an exterior side of each of opposing longitudinal sections of the perimeter wall portion of the tub component.

A cell device including a cell module and at least one temperature adjusting module is provided. The temperature adjusting modules are configured on the cell module in a heat conduction manner. Each of the temperature adjusting modules includes a thermoelectric cooling chip. The thermoelectric cooling chip has a first surface and a second surface opposite to each other. The thermoelectric cooling chip is configured to receive a first electric signal to heat the first surface and cool the second surface. The thermoelectric cooling chip is configured to receive a second electric signal to cool the first surface and heat the second surface. A vehicle including the cell device is also provided. The cell device of the disclosure is capable of implementing active temperature control and has good temperature control effect. The vehicle of the disclosure is capable of implementing active temperature control, and has a wider usage environment temperature.

A cell device including a cell module and at least one temperature adjusting module is provided. The temperature adjusting modules are configured on the cell module in a heat conduction manner. Each of the temperature adjusting modules includes a thermoelectric cooling chip. The thermoelectric cooling chip has a first surface and a second surface opposite to each other. The thermoelectric cooling chip is configured to receive a first electric signal to heat the first surface and cool the second surface. The thermoelectric cooling chip is configured to receive a second electric signal to cool the first surface and heat the second surface. A vehicle including the cell device is also provided. The cell device of the disclosure is capable of implementing active temperature control and has good temperature control effect. The vehicle of the disclosure is capable of implementing active temperature control, and has a wider usage environment temperature.

A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described.

A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described.

A heat exchanger with a thermoelectric module according to the present disclosure includes: a first heat exchanger including a first heat sink provided with a first base plate and first heat dissipation pins, a first thermoelectric module located over the first heat sink and performing heat absorption and heat dissipation, a plate-shaped first cooling plate located over the first thermoelectric module and having a flow channel through which coolant flows, and a first cover covering top of the first cooling plate; and a second heat exchanger having the same structure as the first heat exchanger and located under the first heat exchanger to be symmetrical with the first heat exchanger.

A heat exchanger with a thermoelectric module according to the present disclosure includes: a first heat exchanger including a first heat sink provided with a first base plate and first heat dissipation pins, a first thermoelectric module located over the first heat sink and performing heat absorption and heat dissipation, a plate-shaped first cooling plate located over the first thermoelectric module and having a flow channel through which coolant flows, and a first cover covering top of the first cooling plate; and a second heat exchanger having the same structure as the first heat exchanger and located under the first heat exchanger to be symmetrical with the first heat exchanger.

A battery pack having at least one cell module that is connected between a plurality of pack terminals, the battery pack including: at least one thermoelectric element disposed at each of the at least one cell modules; a thermoelectric element power supply circuit configured to supply a driving voltage to the at least one thermoelectric element; and a controller configured to control the thermoelectric element power supply circuit to transfer a first voltage that is supplied for driving the thermoelectric element from a charger as the driving voltage for the at least one thermoelectric element when a temperature of the at least one cell module is out of a first range in a charging mode, the first voltage being different from a second voltage that is a charging voltage supplied to the battery pack from the charger.