An evaporative cooling type fuel cell system and a cooling control method for the same are provided. The fuel cell system includes a stack that generates electric power by reacting hydrogen as fuel with air as an oxidant. The method includes adjusting an operation pressure of the stack based on a current operation temperature of the stack and adjusting the amount of water supplied to the stack from a water reservoir based on the current operation temperature. The water is supplied to a cathode of the stack. Thus, a compact-simplified fuel cell system is provided, thereby reducing manufacturing costs and weight.

The disclosure relates to a system for the treatment of water formed during an operation of at least one fuel cell of a vehicle, having a cavity, a condenser and an underbody-side system outer wall, and is designed to bound an underbody of the vehicle, wherein the condenser is arranged between the cavity and the underbody-side system outer wall, wherein the cavity is connected via an inlet to the at least one fuel cell, wherein, when the vehicle is in motion, the condenser is acted upon by air of an airflow and is cooled, wherein the condenser is designed to cool water which, originating from the at least one fuel cell, flows into the cavity.

A heat exchanger cooling system includes: a passage extending from a water tank and branching off into a first passage and a second passage at a branch portion provided in the middle of extension of the passage, the passage including a water discharge portion provided on a distal end side of the first passage so as to face a radiator; a pump configured to send water into the passage from the water tank; a first opening-closing valve provided in the first passage and configured to open and close the first passage; a second opening-closing valve provided in the second passage and configured to open and close the second passage; and a controlling portion configured to control an operation of the pump and to control opening and closing of the first opening-closing valve and the second opening-closing valve.

An integrated power generation and exhaust processing system includes a fuel cell system configured to generate power and to separate CO.sub.2 included in exhaust output from the fuel cell system, and an exhaust processing system configured to at least one of sequester or densify CO.sub.2 separated from the exhaust output from the fuel cell system.

A battery cell is made more thermally efficient with the addition of an integrated vapor chamber that extends out from the cell and into an external heat exchange interface. The integrated vapor chamber can contain a working fluid which undergoes phase changes between liquid and vapor phases when there is a temperature differential between the interior and exterior of the cell. The integrated vapor chamber can include a wicking material to transfer the working fluid to the exterior wall of the vapor chamber. The integrated vapor chamber allows for both heating and cooling of the battery cell.

The invention relates to a fuel cell (10) comprising a membrane electrode assembly (16) and two gas diffusion layers (14) co-operating with the assembly to form a unit cell (12). The fuel cell (10) also has a two-phase thermal diffuser (24) having a condensation zone and an evaporation zone, the evaporation zone being arranged between the bipolar plates (14) of two adjacent unit cells (12). The two-phase thermal diffuser (24) also has a heating element arranged in the condensation zone. The invention also provides a system comprising the fuel cell and a controller, and it also provides a method of regulating the temperature of the fuel cell.

The fuel cell vehicle includes a fuel cell placed in a front room, an air compressor placed below the fuel cell in the front room to supply the fuel cell with cathode gas, and a refrigerant supply pump placed below the fuel cell in the front room to supply the fuel cell with a refrigerant. The refrigerant supply pump is placed forward of the air compressor.

The power generation system includes a fuel-cell subsystem having a fuel-cell configured to generate an electrical power. The power generation system further includes a power electronics subsystem electrically coupled to the fuel-cell subsystem and configured to process at least a portion of the electrical power generated by the fuel-cell subsystem. The power generation system also includes a first conduit fluidly coupled to the power electronics subsystem and configured to supply at least a portion of a fuel stream to the power electronics subsystem. The power electronics subsystem is configured to heat the portion of the fuel stream to form a pre-heated fuel stream. Moreover, power generation system includes a second conduit fluidly coupled to the power electronics subsystem and the fuel-cell subsystem and configured to supply the pre-heated fuel stream to the fuel-cell subsystem. The fuel-cell is configured to generate the electrical power using the pre-heated fuel stream.

Turbine engine systems include a core assembly having a compressor section, a burner section, and a turbine section arranged along a shaft, with a core flow path through the turbine engine such that exhaust from the burner section passes through the turbine section and exits through a nozzle. A core condenser is arranged downstream of the turbine section and upstream of the nozzle and configured to condense water from the core flow path. A fuel cell is operably connected to the core assembly. A fuel source is configured to supply a fuel to each of the burner section for combustion and the fuel cell for reaction to generate electricity. At least one electric motor is operably coupled to the core assembly and configured to impart power to a portion of the core assembly and the fuel cell is configured to supply electrical power to the at least one electric motor.

There is provided a fuel cell vehicle, including a high voltage system disposed in a front compartment of the vehicle, and a first protruding portion that protrudes in a left-right direction of the vehicle toward a vehicle body of the vehicle further than a portion of the high voltage system that is closest to the vehicle body, and is fixed to the high voltage system, in which, when the vehicle is placed on a horizontal plane, the first protruding portion is arranged such that a position of a first most-protruded portion of the first protruding portion that protrudes most toward the vehicle body in a height direction is located at the same position or higher than a center of gravity of the high voltage system.