A battery system includes: a battery pack including a plurality of battery cells; a venting device configured to guide a venting gas stream exhausted by one or more of the battery cells away therefrom; and a cooling device. The venting device includes: a venting channel configured to guide the venting gas stream along a main flow direction, the venting channel being delimited by a first side of the venting device and a second side of the venting device opposite the first side; and a venting opening in the first side of the venting device to allow venting gases to enter the venting channel. The cooling device includes a first cooling channel at the first side of the venting device and configured to cool the venting channel via a cooling fluid flowing through the first cooling channel.

A system for overheating gases at the inlet of a SOEC/SOFC-type solid oxide stack, the stack including a main body that has first and second zones separated by a median plane, and inflow and outflow conduits, the zones include gas circulation circuits extending in the form of a spiral and communicating by means of a passage passing through the main body. A gas flow to be heated entering the inflow conduit circulates in the first gas circulation circuit and passes through the passage to then circulate in the second gas circulation circuit and in the conduit for the outflow of the reheated gases in order to reach the inlet of the SOEC/SOFC-type solid oxide stack.

Provided are battery modules. Each module may comprise an enclosure having a base, the base having a plurality of first holes disposed therein, the enclosure including a coolant input port, a coolant output port; the enclosure having a coolant sub-system for circulating coolant being directed into the enclosure through the coolant input port and the plurality of first holes and out of the enclosure through the coolant output port; a center divider affixed to the enclosure; a module cover coupled to the enclosure at an opposite end of the module from the center divider; a retainer disposed within the enclosure and configured to support a plurality of cells; a current carrier disposed between the module cover and the retainer; and the plurality of cells disposed between the current carrier and the center divider, the cells being coupled to and supported by the retainer.

A heat exchanger includes a porous material in a cold side flow passage. The porous material is configured to distribute a liquid phase throughout the cold side flow passage through capillary action.

A fuel cell system is disclosed. The fuel cell system includes: a fuel cell module including a plurality of unit cells for generating electrical energy by using oxygen of air and hydrogen of a reformed fuel gas; a first module including a burner part which burns an unreacted fuel gas and air discharged from the fuel cell module, an air-heating part which heats air through heat exchange with a hot combustion gas and a flame generated by the burner part and supplies the heated air to the fuel cell module, and a water vapor generation part which converts water, flowing through an inner portion thereof, into water vapor through heat exchange with a hot combustion gas generated by the burner part; and a second module which mixes a fuel supplied from an external fuel supply source and water vapor supplied from a water-vapor generator part.

A method of cooling a battery cell includes: atomizing a cooling fluid by driving it through a micro-nozzle at a pressure sufficient to create a jet of aerosolized liquid droplets while retaining sufficient momentum in flow of the fluid to travel from the nozzle to an outer surface of the battery cell; impinging the spray of the jet of aerosolized liquid droplets on an outer surface of the battery cell; partially evaporating the liquid droplets on the outer surface to conduct heat from the outer surface; and convecting heat from the outer surface of the battery via the cooling fluid.

A cooling system for a fuel cell of a motor vehicle may include a closed coolant circuit through which a coolant is circulatable, a heat exchanger fluidically incorporated in the coolant circuit for cooling the coolant, an open sprinkler circuit through which a sprinkler fluid is flowable for cooling the heat exchanger, and a channel structure fluidically incorporated in the sprinkler circuit. The heat exchanger may include an air inlet surface, an air outlet surface, and a plurality of cooling tubes. The coolant may be flowable through the heat exchanger via the plurality of cooling tubes. Air may be flowable through the heat exchanger from the air inlet surface to the air outlet surface. The channel structure may include a plurality of channels, which may each include a plurality of outlet nozzles via which the sprinkler fluid is appliable to the plurality of cooling tubes.

A heat exchange apparatus for cooling water of a fuel cell includes a body, through which a cooling water pipe having cooling water flowing therethrough to be supplied to a fuel cell stack, passes; and a heat accumulator provided in an interior of the body and filled with a PCM heat accumulation material that exchanges heat with the cooling water. The body includes a medium space provided between the cooling water pipe and the heat accumulator such that the heat accumulator is spaced apart from the cooling water pipe. The PCM heat accumulation material exchanges heat with the cooling water by a medium of the medium space.

In a fuel cell system, for example HTPEM fuel cells, especially for automobiles, a multi-stream heat exchange unit is employed in order to save space.

A high-temperature flow-splitting component, applicable to a temperature range from a first temperature to a second temperature, includes an entrance channel, at least one primary channel and at least one subordinate channel. The entrance channel is used for introducing a fluid at a total flow rate. The at least one primary channel for introducing the fluid from the entrance channel at a first flow rate is connected with the entrance channel by a first angle ranging from 90°˜270°. The at least one subordinate channel for introducing the fluid from the entrance channel at a second flow rate is connected with the at least one primary channel by a second angle ranging from 30°˜150°. A sum of the first flow rate and the second flow rate is equal to the total flow rate.