A heat management system for a fuel cell vehicle propelled by an electric traction motor includes a fuel cell system comprising a fuel cell configured to generate electric power when receiving hydrogen through a hydrogen inlet and oxygen through an oxygen inlet, wherein the fuel cell includes an outlet configured to expel exhaust water formed in the fuel cell, and a compressor including an inlet configured to receive ambient air, and an outlet, wherein the inlet of the compressor is arranged in downstream fluid communication with the outlet of the fuel cell and configured to pressurize a mixture of exhaust water expelled from the fuel cell and ambient air.

A heat management system for a fuel cell vehicle propelled by an electric traction motor includes a fuel cell system comprising a fuel cell configured to generate electric power when receiving hydrogen through a hydrogen inlet and oxygen through an oxygen inlet, wherein the fuel cell includes an outlet configured to expel exhaust water formed in the fuel cell, and a compressor including an inlet configured to receive ambient air, and an outlet, wherein the inlet of the compressor is arranged in downstream fluid communication with the outlet of the fuel cell and configured to pressurize a mixture of exhaust water expelled from the fuel cell and ambient air.

A vehicle includes an electric machine, a battery, an inverter, and a controller. The controller switches the inverter at a switching frequency selected to generate an AC current to heat the battery, adjusts a d-axis current of the electric machine to increase a battery heating power, and adjusts a q-axis current of the electric machine according to the adjusted d-axis current.

A vehicle includes an electric machine, a battery, an inverter, and a controller. The controller switches the inverter at a switching frequency selected to generate an AC current to heat the battery, adjusts a d-axis current of the electric machine to increase a battery heating power, and adjusts a q-axis current of the electric machine according to the adjusted d-axis current.

One or more example electric vehicles (EV), auxiliary thermal regulation systems for an EV, a computer-implemented methods of operating an EV, and a computer program product for operating an EV. The EV includes an FC system and an HVAC system. The FC system includes an FC stack (FCS) operable to generate electric power, and an FC thermal management system including a first thermal regulation circuit for circulation of a radiant fluid operable to thermally regulate the FCS, and a heat exchange device operable to thermally regulate the radiant fluid. The HVAC system includes a second thermal regulation circuit for circulation of a refrigerant fluid operable to thermally regulate air in a passenger compartment of the vehicle, and a bi-directional heat pump operable to facilitate auxiliary/supplemental thermal regulation of the fuel cell stack by supplying selective auxiliary cooling and/or heating of the FCS.

One or more example electric vehicles (EV), auxiliary thermal regulation systems for an EV, a computer-implemented methods of operating an EV, and a computer program product for operating an EV. The EV includes an FC system and an HVAC system. The FC system includes an FC stack (FCS) operable to generate electric power, and an FC thermal management system including a first thermal regulation circuit for circulation of a radiant fluid operable to thermally regulate the FCS, and a heat exchange device operable to thermally regulate the radiant fluid. The HVAC system includes a second thermal regulation circuit for circulation of a refrigerant fluid operable to thermally regulate air in a passenger compartment of the vehicle, and a bi-directional heat pump operable to facilitate auxiliary/supplemental thermal regulation of the fuel cell stack by supplying selective auxiliary cooling and/or heating of the FCS.

The present invention relates to a braking system for a vehicle at least partially propelled by an electric traction motor, the braking system comprising an electric machine electrically connected to an electric source; an air flow producing unit mechanically connected to, and operated by, the electric machine; and an electrical brake resistor arrangement positioned in fluid communication between the air flow producing unit and an ambient environment, the electrical brake resistor arrangement being electrically connected to the electric source and arranged to heat air supplied from the air flow producing unit by electrical power received from the electric source, and to supply heated air to the ambient environment.

An electrically driven motor vehicle may include a first cooling circuit, a first component, a first heat exchanger, at least one pump configured to convey a coolant, a second cooling circuit, and a second component. The first component may be arranged in the first cooling circuit and may have a temperature which is to be controlled. The second component may be arranged in the second cooling circuit and may have a temperature which is to be controlled. The first cooling circuit and the second cooling circuit may be fluidically separated from one another and may be coupled to one another to transfer heat via a second heat exchanger. One of (i) the first component and (ii) the second component may be configured as at least one of an electrical energy storage and a fuel cell module, and the other may be configured as a secondary braking system.

A hydrogen storage system comprises a hydrogen tank and a system for controlling hydrogen evaporation in the hydrogen tank. This control system comprises a hydrogen discharge pipe connected to the hydrogen tank, on the one hand, and to a controllable valve, on the other hand, as well as a processing unit configured to control the valve as a function of the pressure in the tank. The hydrogen storage system further comprises a fuel cell permanently connected to the hydrogen tank and the processing unit being electrically powered by the fuel cell.

A system for managing heat in a mobile charger configured to provide power to an electric vehicle includes the mobile charger. The mobile charger includes a fuel cell stack, a heat reservoir, and a liquid coolant system including one or more liquid coolant loops configured to transfer heat between the fuel cell stack and the heat reservoir. The mobile charger further includes a computerized processor which is programmed to selectively control the liquid coolant system in one of a plurality of a thermal management modes configured to selectively remove heat from the fuel cell stack and provide heat to the fuel cell stack.