A fuel cell system includes: a reformer which generates a reformed gas containing hydrogen by reacting hydrocarbon and moisture with each other; a fuel cell stack which generates electric energy through electrochemical reaction of the reformed gas and an oxidant; an ejector which, using steam as a drive fluid, sucks either a raw fuel containing the hydrocarbon or a recycled gas recovered from an anode exhaust gas, and supplies a resultant gas to the reformer; and a vaporizer which generates the steam by vaporizing water, wherein an operation temperature of the fuel cell stack is higher than a boiling point of water at an operation pressure, and the vaporizer generates the steam through heat exchange with the anode exhaust gas.

The present disclosure relates to a thermal management system and method of adjusting and/or reversing coolant flow of a fuel cell system during stationary applications.

A system for humidification of a fuel cell electric vehicle includes a fuel cell stack for producing electrical energy through an electrochemical reaction of hydrogen and oxygen, a water supply tank for storing water generated during power generation in the fuel cell stack, a first duct for supplying air exhausted from a heating, ventilation, and air conditioning (HVAC) apparatus to a vehicle glass, a second duct for supplying air exhausted from the HVAC apparatus into the vehicle interior, a humidification apparatus for humidifying air supplied through the second duct using water supplied from the water supply tank, and a controller that supplies air to the vehicle glass through the first duct to perform anti-fogging control of the vehicle glass when adjusting an inside humidity of the vehicle using the humidification apparatus.

A fuel cell cooling system mounted on a vehicle includes a flow path for a coolant; a cooling unit that cools the coolant in a cooling unit flow path; a fuel cell to be cooled through heat exchange with the coolant in a fuel cell flow path; a heat generating body to be cooled through heat exchange with the coolant in a heat generating body flow path; first and second pumps that pump the coolant in the fuel cell and heat generating body flow paths, respectively; and a control circuit. When the vehicle is started, the control circuit performs a first process of actuating the first pump with the second pump stopped, and a second process of actuating the first and second pumps when the temperature of the coolant in the fuel cell or cooling unit flow path exceeds a first reference value during the first process.

A thermal insulation device includes a first plate, a second plate formed to nest adjacent the first plate with a gap between the first and second plates, a porous material disposed in the gap between the plates, a sealing layer disposed between the first and second plates such that the porous material is sealed from ambient at a pressure less than ambient, and a vapor generating material disposed in the gap.

A fuel cell system includes a fuel cell stack, a first cooling line having first cooling water that passes via the fuel cell stack and circulates therein, a first radiator that cools the first cooling water, an air conditioning system that forms a heating loop with a first cooling line, a first cooling fan that blows exterior air to the first radiator, a first pump that pumps the first cooling water, a valve that switches a flow path of the first cooling water to the fuel cell stack or the first radiator, and a controller connected to the first cooling fan, the first pump, and the valve, and configured to detect a failure of the valve, control RPMs of the first pump and the first cooling fan to respective maximum levels, and control an RPM of a blower of the air conditioning system to a maximum level.

A method of maintaining a thermal balance in a solid oxide reversible fuel cell system comprising a solid oxide reversible fuel cell, an air intake for providing air to the solid oxide reversible fuel cell, and a steam reformer fluidly coupled to the solid oxide fuel cell for providing fuel to the solid oxide reversible fuel cell. The method comprising operating the solid oxide reversible fuel cell system in a forward mode in which the steam former receives natural gas and produces hydrogen gas and carbon monoxide to be provided to the solid oxide reversible fuel cell, and operating the solid oxide reversible fuel cell system in a reverse mode in which the steam reformer receives hydrogen gas and carbon dioxide from the solid oxide reversible fuel cell and produces natural gas and water.

An integrated fuel cell control system including at least one valve installed to control a fluid in a fuel cell system, at least one drive motor configured to drive the valve, at least one sensor configured to detect the opening degree of the valve, and a fuel cell control unit configured to control the fuel cell system, wherein the fuel cell control unit includes a drive logic unit configured to calculate a motor control amount for controlling the drive motor based on information detected by the sensor and an operator request value and a drive unit configured to operate the drive motor based on the motor control amount determined by the drive logic unit, and an integrated control method including the same.

The present disclosure relates to a thermal management system and method of adjusting and/or reversing coolant flow of a fuel cell system during stationary applications.

A bipolar battery assembly having: a) a plurality of electrode plates stacked together to form an electrode plate stack; b) a liquid electrolyte located between each pair of the electrode plates; and c) one or more channels passing transversely through the plurality of electrode plates and the liquid electrolyte; and wherein the one or more channels include one or more seals therein to seal the one or more channels from the liquid electrolyte.