H01M10/615

ELECTRIC VEHICLE THERMAL MANAGEMENT SYSTEM, BATTERY THERMAL MANAGEMENT METHOD AND ELECTRIC VEHICLE

Disclosed are an electric vehicle thermal management system, a battery thermal management method and an electric vehicle. The electric vehicle thermal management system comprises a first loop, a second loop, a first temperature control mechanism, a second temperature control mechanism, a conveying mechanism and a release mechanism, wherein the first loop transmits a first heat conducting agent; a battery and the first temperature control mechanism are respectively connected to the first loop; the second loop transmits a second heat conducting agent; the second temperature control mechanism and a driving motor are respectively connected to the second loop; the conveying mechanism is respectively connected to the first loop and the second loop; and the release mechanism is connected to the first loop, such that a battery fire disaster is effectively prevented from occurring, and the safety of the vehicle is improved.

VEHICLE FLOOR LAYER BATTERY WITH AIR VENTILATION
20220410687 · 2022-12-29 ·

A thin floor battery layer for a vehicle, the thin floor battery layer comprising: an upper layer; a lower layer; a frame, the frame comprising of: a plurality of pockets; a duct system, including a main duct and a plurality of capillary ducts; a plurality of bus bars; and at least one mounting plate; wherein the frame is between the upper lay and the lower layer; wherein the frame holds a plurality of batteries; wherein the plurality of pockets are underneath the plurality of batteries; and wherein air passes through the duct system via the main duct and into the plurality of capillary ducts that feed the plurality of pockets so as to cool the plurality of batteries.

Battery powered aerosol-generating device comprising a temperature dependent battery pre-heating

An aerosol-generating system provided, including an electrically operated aerosol-generating element; a first electrochemical energy storage device (EESD) configured to supply electrical power to the aerosol-generating element; and an EESD temperature control system including at least one temperature sensor positioned to sense a temperature of the first EESD and an electrical heater configured to heat the first EESD, wherein the EESD temperature control system operates the electrical heater dependent on an output from the at least one temperature sensor.

Battery powered aerosol-generating device comprising a temperature dependent battery pre-heating

An aerosol-generating system provided, including an electrically operated aerosol-generating element; a first electrochemical energy storage device (EESD) configured to supply electrical power to the aerosol-generating element; and an EESD temperature control system including at least one temperature sensor positioned to sense a temperature of the first EESD and an electrical heater configured to heat the first EESD, wherein the EESD temperature control system operates the electrical heater dependent on an output from the at least one temperature sensor.

Method for Operating an Electric Machine of a Motor Vehicle, System and Motor Vehicle
20220402403 · 2022-12-22 ·

A method is provided for operating a synchronous machine that can be operated in an efficient operating mode and an inefficient operating mode. In order to provide a working-point-specific torque the synchronous machine is controlled in the efficient operating mode such that a stator of the synchronous machine generates a synchronous rotary field which rotates synchronously with a rotor of the synchronous machine. In order to increase dissipated heat of the synchronous machine, which can be used to heat at least one component of the motor vehicle, the synchronous machine is transferred into the inefficient operating mode in which an asynchronous rotary field acts on the synchronous rotary field, said asynchronous rotary field superimposing dissipated heat-increasing harmonics on a fundamental wave of the synchronous rotary field while maintaining the working-point-specific torque.

Method for Operating an Electric Machine of a Motor Vehicle, System and Motor Vehicle
20220402403 · 2022-12-22 ·

A method is provided for operating a synchronous machine that can be operated in an efficient operating mode and an inefficient operating mode. In order to provide a working-point-specific torque the synchronous machine is controlled in the efficient operating mode such that a stator of the synchronous machine generates a synchronous rotary field which rotates synchronously with a rotor of the synchronous machine. In order to increase dissipated heat of the synchronous machine, which can be used to heat at least one component of the motor vehicle, the synchronous machine is transferred into the inefficient operating mode in which an asynchronous rotary field acts on the synchronous rotary field, said asynchronous rotary field superimposing dissipated heat-increasing harmonics on a fundamental wave of the synchronous rotary field while maintaining the working-point-specific torque.

AIRCRAFT BATTERY SYSTEMS

Methods for thermally regulating batteries of aircraft are provided. The aircraft comprises: an air inlet; an air outlet; a battery pack comprising battery cells; and an air channel in fluid communication with the air inlet and the air outlet, a surface of the air channel being in thermal communication with the battery cells whereby air flowing through the air channel exchanges heat with the battery cells through the surface of the air channel. The methods comprise: connecting an external supply of air to the air inlet of the aircraft; and delivering a flow of air through the air channel using the external supply of air. A kit comprising the aircraft and the external supply of air is also provided.

AIRCRAFT BATTERY SYSTEMS

Methods for thermally regulating batteries of aircraft are provided. The aircraft comprises: an air inlet; an air outlet; a battery pack comprising battery cells; and an air channel in fluid communication with the air inlet and the air outlet, a surface of the air channel being in thermal communication with the battery cells whereby air flowing through the air channel exchanges heat with the battery cells through the surface of the air channel. The methods comprise: connecting an external supply of air to the air inlet of the aircraft; and delivering a flow of air through the air channel using the external supply of air. A kit comprising the aircraft and the external supply of air is also provided.

BATTERY RACK MANAGEMENT APPARATUS

Disclosed is a battery rack managing apparatus, which may effectively wake up a plurality of module BMSs. The battery rack managing apparatus manages a battery rack provided with a plurality of battery modules, and includes a plurality of module BMSs provided to correspond to one or more battery modules among the plurality of battery modules; a rack BMS configured to communicate with the plurality of module BMSs and control the plurality of module BMSs; a heater configured to generate and supply heat; and a plurality of wake-up units provided to correspond to the plurality of module BMSs, respectively, and including a variable resistor element configured to change a resistance value by the heat supplied by the heater, the plurality of wake-up units being configured to supply a wake-up signal to a corresponding module BMS when the resistance value of the variable resistor element is changed.

System For Fire Prevention in Battery Systems

Systems and methods are described for thermal management, detection of abnormal cell heating, prevention of thermal runaway in the failing battery as well as the prevention of thermal runaway propagation and fire spread in battery systems. Battery systems and modules under the present disclosure can comprise deformation elements that deform when heated by a battery experiencing some type of failure. The deformation can be used to puncture a coolant tube, activate a nozzle, or otherwise release coolant onto the failing battery. The direct contact heat transfer, such as under boiling conditions, can quickly dissipate the heat using less coolant than prior art systems. Electrical circuits can automatically detect the deformation and disconnect the failing module or battery from a larger system.