Abstract: An installation for supplying a fuel cell with hydrogen comprising a fuel cell, a liquefied hydrogen storage facility and a supply circuit that includes at least one upstream end connected to the storage facility and one downstream end connected to a fuel inlet of the fuel cell, the supply circuit including at least one system for heating hydrogen by heat exchange with a heat source and a set of control valves, the liquefied hydrogen storage facility being configured to keep the liquefied hydrogen in equilibrium with a gaseous phase at a determined nominal storage pressure of between 1.5 and 4.5 bar, the supply circuit including a buffer tank for pressurized gaseous hydrogen which is configured to store the hydrogen withdrawn from the storage facility and heated by the heating system, the set of valves being configured to accumulate pressurized gas in the buffer tank at a determined storage pressure of between 4 and 100 bar, for example between 6 and 8 bar.

Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store, characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

Abstract: An installation for supplying a fuel cell with hydrogen comprising a fuel cell, a liquefied hydrogen storage facility and a supply circuit that includes at least one upstream end connected to the storage facility and one downstream end connected to a fuel inlet of the fuel cell, the supply circuit including at least one system for heating hydrogen by heat exchange with a heat source and a set of control valves, the liquefied hydrogen storage facility being configured to keep the liquefied hydrogen in equilibrium with a gaseous phase at a determined nominal storage pressure of between 1.5 and 4.5 bar, the supply circuit including a buffer tank for pressurized gaseous hydrogen which is configured to store the hydrogen withdrawn from the storage facility and heated by the heating system, the set of valves being configured to accumulate pressurized gas in the buffer tank at a determined storage pressure of between 4 and 100 bar, for example between 6 and 8 bar.

Abstract: Device and method for filling pressurized gas tanks, comprising a fluid transfer circuit comprising an upstream end provided with a plurality of pressurized fluid sources and a downstream end comprising at least two distribution terminals each intended to be connected to separate tanks to be filled, each source comprising a first fluid outlet connected to a first respective outlet valve, each first outlet valve being connected to each of the at least two distribution terminals via parallel transfer ducts, each of the transfer ducts comprising at least one respective isolation valve, each of the distribution terminals being fluidly connected to each first outlet valve of a source via a first direct fluid path passing through a single transfer duct and via at least one second indirect alternative fluid path successively passing through a plurality of transfer ducts.

Abstract: Process and plant for the production of liquid hydrogen with a liquefier that has a variable cooling power dependent on the electrical power consumed. The liquefier is supplied with electricity by a first source of electricity at least one additional source of electricity that provides an intermittent or variable amount of electricity over time. Liquid hydrogen is produced at first thermodynamic conditions when the liquefier is supplied with a predetermined nominal electrical energy level and produced at subcooled conditions, with respect to the first thermodynamic conditions, when electricity supplied to the liquefier exceeds the nominal level.

Abstract: A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank.

Abstract: A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank.

Abstract: A cryogenic fluid transfer device comprising a first tank, a second tank, and a fluid transfer circuit, wherein the first tank comprises a cryogenic fluid distribution tank configured to store a cryogenic fluid in a liquid phase in a lower part thereof and in a gaseous phase in an upper part thereof, wherein the second tank comprises a cryogenic receiving tank configured to house the cryogenic fluid in liquid phase in a lower part thereof and in gaseous phase in an upper part thereof, wherein the fluid transfer circuit is configured to connect the first and second tanks, the fluid transfer circuit comprising a first pipe connecting the upper parts of the first and second tanks and comprising at least one valve, and a second pipe connecting the lower part of the first tank to the second tank that comprises a pump that has an inlet connected to the first tank and an outlet connected to the second tank, wherein: the pump and the at least one valve of the first line are configured so as to ensure a fluidic connec

Abstract: A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank. Following filling, the tank is disconnected and then driven to another location to repeat the filling process with a second vessel that is at a different location.

Abstract: Station for filling one or more tank(s) with pressurized gas, in particular pressurized hydrogen, comprising at least two pressurized gas source stores, a transfer pipe having an upstream end connected parallel to the source stores and a downstream end intended to be connected to a tank to be filled, the station comprising a valve assembly for controlling the transfer of gas between the sources and the tank to be filled and an electronic controller connected to the valve assembly and configured to control the valve assembly, the electronic controller being configured to implement successive transfers of gas between the source stores and the tank to be filled via successive pressure balancing sequences, the electronic controller being configured to determine the temperature attained by the gas in the source stores or by the source stores during transfers of gas and, when said attained temperature is below a determined threshold, to prevent or to interrupt this transfer of gas or to reduce the flow of gas trans

Abstract: Method for filling a storage vessel with liquefied gas by means of a tank of liquefied gas, the method comprising a step of transferring liquefied gas from the tank into the storage vessel by means of a pressure differential, wherein the storage vessel prior to the transfer step has an internal pressure higher than the internal pressure of the tank, the method comprising, prior to the transfer step, a step of placing the tank and the storage vessel in fluidic communication in order to ensure a drop in the pressure in the storage vessel to the benefit of the tank and a step of increasing the pressure in the tank using a pressurizing device.

Abstract: Device and method for filling pressurized gas tanks, comprising a fluid transfer circuit comprising an upstream end provided with a plurality of pressurized fluid sources and a downstream end comprising at least two distribution terminals each intended to be connected to separate tanks to be filled, each source comprising a first fluid outlet connected to a first respective outlet valve, each first outlet valve being connected to each of the at least two distribution terminals via parallel transfer ducts, each of the transfer ducts comprising at least one respective isolation valve, each of the distribution terminals being fluidly connected to each first outlet valve of a source via a first direct fluid path passing through a single transfer duct and via at least one second indirect alternative fluid path successively passing through a plurality of transfer ducts.

Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

Abstract: A process for the production of a hydrogen gas stream having a CO content of less than 1 ppm having a production cycle comprising two phases: phase 1 includes a) purifying a synthesis gas in a PSA unit, b) recovering a hydrogen gas stream comprising a CO content of greater than 1 ppm, c) purifying the gas stream by adsorption in a TSA unit, and recovery a hydrogen gas stream exhibiting a CO content of less than 1 ppm, and phase 2 includes e) purifying the synthesis gas in a PSA unit, f) recovering a hydrogen gas stream having a CO content of less than 1 ppm, where throughout steps e) and f), the TSA unit is bypassed by the hydrogen gas stream and is regenerated.

Abstract: A liquefied fuel cryogenic tank has an inner jacket delimiting a fluid storage volume and an outer jacket disposed around the inner jacket with a vacuum thermal insulation gap therebetween. A withdrawal circuit has an assembly of one or more valves and a withdrawal line that has a first heating heat exchanger located outside the inner jacket and a second heating heat exchanger located inside the inner jacket. Fluid flows through the withdrawal line via the first heat exchanger and then the second heat exchanger or via the first heat exchanger without entering the second heat exchanger.

Abstract: Method and device for transferring cryogenic fluid comprising a first tank for distributing cryogenic fluid, a second, receiving cryogenic tank accommodating a cryogenic fluid, a fluid transfer circuit connecting the first and the second tank, the transfer circuit comprising a first pipe that connects the upper parts of the first and second tanks and comprises at least one valve, the transfer circuit comprising a second pipe that connects the lower part of the first tank to the second tank, the second transfer pipe comprising a pump that comprises an inlet connected to the first tank and an outlet connected to the second tank and the pump and the at least one valve of the first pipe being configured to place the upper parts of the first and second tanks in fluidic communication by opening the at least one valve during a transfer of liquid from the first tank to the second tank by way of the pump.

Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store, characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

Abstract: Device and method for filling pressurized gas tanks, comprising a fluid transfer circuit comprising an upstream end provided with a plurality of pressurized fluid sources and a downstream end comprising at least two distribution terminals each intended to be connected to separate tanks to be filled, each source comprising a first fluid outlet connected to a first respective outlet valve, each first outlet valve being connected to each of the at least two distribution terminals via parallel transfer ducts, each of the transfer ducts comprising at least one respective isolation valve, each of the distribution terminals being fluidly connected to each first outlet valve of a source via a first direct fluid path passing through a single transfer duct and via at least one second indirect alternative fluid path successively passing through a plurality of transfer ducts.

Abstract: An installation for supplying a fuel cell with hydrogen comprising a fuel cell, a liquefied hydrogen storage facility and a supply circuit that includes at least one upstream end connected to the storage facility and one downstream end connected to a fuel inlet of the fuel cell, the supply circuit including at least one system for heating hydrogen by heat exchange with a heat source and a set of control valves, the liquefied hydrogen storage facility being configured to keep the liquefied hydrogen in equilibrium with a gaseous phase at a determined nominal storage pressure of between 1.5 and 4.5 bar, the supply circuit including a buffer tank for pressurized gaseous hydrogen which is configured to store the hydrogen withdrawn from the storage facility and heated by the heating system, the set of valves being configured to accumulate pressurized gas in the buffer tank at a determined storage pressure of between 4 and 100 bar, for example between 6 and 8 bar.