A fuel cell stack is provided comprising a plurality of fuel cells comprising a membrane electrode assembly and at least one gas diffusion layer, which fuel cells are divided into at least one first fuel cell segment having a portion of the plurality of fuel cells and a second fuel cell segment having a different portion of the plurality of fuel cells, wherein the first fuel cell segment and the second fuel cell segment are arranged in a common fuel cell cascade, wherein the first fuel cell segment comprises a first collector inlet line for an operating medium and a first collector outlet lined which is formed integrally with a second collector inlet line of the second fuel cell segment and wherein the second fuel cell segment comprises a second collector outlet line. The membrane electrode assemblies and/or the gas diffusion layers inside the second fuel cell segment are designed in such a way that they are more water-repellent than those of the first fuel cell segment. A fuel cell system comprising such a fuel cell stack is also provided.

A fuel cell system includes an anode configured to output an anode exhaust stream comprising hydrogen, carbon dioxide, and water; and a membrane dryer configured to receive the anode exhaust stream, remove water from the anode exhaust stream, and output a membrane dryer outlet stream. The membrane dryer includes a first chamber configured to receive the anode exhaust stream; a second chamber configured to receive a purge gas; and a semi-permeable membrane separating the first chamber and the second chamber. The semi-permeable membrane is configured to allow water to diffuse therethrough, thereby removing water from the anode exhaust stream. The membrane dryer may further be configured to remove hydrogen from the anode exhaust stream.

A humidifier for a fuel cell device has a plurality of flow field frames, between each of which there is arranged a humidifier membrane. A plurality of cooling flow field frames formed identical to the flow field frames, between each of which there is arranged a separating plate, form an integrated intercooler. A motor vehicle having a humidifier with integrated intercooler is also provided.

A humidifying device for transferring water and/or water vapour from waste air of a waste air flow to supply air of a supply air flow is provided. In the compensating chamber of the housing of the humidifying device, at least one spreading means is arranged, which spreads apart the plate stack of the humidifying device and the housing cover closing the housing in the direction of the longitudinal axis.

An air system includes a fuselage, a motor supported by the fuselage, a propeller coupled to the motor, a fuel cell-based power generator supported by the fuselage and the motor, and a satellite communication system coupled to the fuel cell system. The generator includes a hydrogen generator, a fuel cell having an anode and a cathode, a cathode loop configured to provide oxygen to the cathode, an anode loop configured to provide hydrogen generated by the hydrogen generator to the anode, and an electrical connector coupled to the fuel cell to provide electricity generated by the fuel cell to the motor.

A fuel cell vehicle includes a fuel cell, an air compressor configured to draw in and discharge air, a cooler configured to cool air discharged from the air compressor, a humidifier configured to humidify air cooled by the cooler and to supply the humidified air to the fuel cell, and a system frame on which the fuel cell is disposed. The system frame accommodates at least a portion of each of the cooler and the humidifier therein.

An embodiment gas diffusion layer structure of a unit cell of a fuel cell includes a catalyst layer of the unit cell of the fuel cell, a separator of the unit cell of the fuel cell, and a gas diffusion layer disposed between the catalyst layer and the separator. An embodiment gas diffusion layer includes a carbon substrate layer, a microporous layer, a catalyst layer neighboring region neighboring the catalyst layer, the catalyst layer neighboring region including the microporous layer, and a gas channel neighboring region neighboring the separator, the gas channel neighboring region including the carbon substrate layer, wherein a solid volume fraction of the gas channel neighboring region is configured to increase to a target solid volume fraction.

A composite ion conducting tube is made by wrapping a support material or ion conducting sheet to from a tube having overlaps of layers that are bonded. The ion conducting sheet or tape used to make the tube may be very thin and the tube may be formed in situ by wrapping the support material and then coating with ion conducting polymer. The ion conducting tubes may be used in a pervaporation module or desalination system. The ion conducting tubes may be spirally wrapped or longitudinally wrapped and may be very thin having a tube wall thickness of no more than 25 microns.

Disclosed are: a fuel cell humidifier, which can be manufactured at improved productivity and can significantly reduce maintenance and repair costs; and a packing member for same. The fuel cell humidifier of the present invention comprises: a humidification module for humidifying, with the moisture in exhaust gas discharged from a fuel cell stack, the air supplied from the outside; and a cap coupled to one end of the humidification module, wherein the humidification module includes a middle case and at least one cartridge, which is arranged inside the middle case and includes a plurality of hollow-fiber membranes, and the fuel cell humidifier further includes the packing member coupled to one end of the humidification module in an airtight manner through a mechanical assembly so that fluid-communication can be performed between the cap and only the hollow-fiber membranes.

The present disclosure relates to a gasket assembly that can be manufactured with improved productivity and can dramatically reduce maintenance costs, and a fuel cell humidifier including the same. A gasket assembly according to an embodiment of the present disclosure is provided for a fuel cell humidifier including a mid-case, a cap fastened to the mid-case, and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes.