114 results about "Hydrogen vehicle" patented technology

Multi compressor systems and apparatuses for the manufacture, storage and dispensing of manufactured hydrogen fuel to hydrogen vehicle tanks or remote mobile refuelers are disclosed.

A hydrogen station loading control unit, which is capable of loading hydrogen vehicles with hydrogen, thereby promoting the wide use of hydrogen vehicles which are advantageous for the earth environment. The hydrogen station loading control unit communicates through a communication network with a plurality of hydrogen vehicles that drive with hydrogen in vehicle onboard hydrogen containers loaded at a plurality of hydrogen stations equipped with hydrogen loading units. The hydrogen station loading control unit includes a communication unit for receiving information relating to residual volume in each of the vehicle onboard hydrogen containers as transmitted by each of the hydrogen vehicles through the communication network, a data receiving function, a hydrogen vehicle DB which stores a regular hydrogen station for each of the hydrogen vehicles, a loading plan generating function for generating a loading plan for each of the hydrogen stations based on the residual volume information and a loading time setting & notifying function for transmitting the loading plan for each of the hydrogen stations through the communication network.

The present invention discloses methods for managing the storage of gaseous hydrogen and increasing the utilization rate of gaseous hydrogen stored in a cascade storage system. In order to increase the hydrogen utilization rate of the cascade storage system, after dispensing gaseous hydrogen to a hydrogen vehicle, gaseous hydrogen is transferred via a compressor from at least one storage vessel at a lower pressure to at least one storage vessel at a higher, dispensable pressure. The methods of the present invention economically and efficiently increase the utilization rate of gaseous hydrogen stored in a cascade storage system.

A hydrogen fueled vehicle includes a vehicle body, a hydrocarbon fuel tank, and a low pressure hydrogen gas storage vessel.

The present invention discloses methods for filling gaseous hydrogen storage tanks. The methods of the present invention include methods for refilling gaseous hydrogen storage tanks utilizing a cascade fill. The methods of the present invention provide for the efficient refilling of the gaseous hydrogen storage tanks and the efficient dispensing of gaseous hydrogen to hydrogen vehicles.

In a fuel processor based on autothermal cyclic reforming process, the fuel processor having a reformer, the reformer having two reactors with integrated heat exchangers, the two reactors cycling between a reforming step and a regeneration step, a method of generating hydrogen gas includes receiving a mixture of fuel and steam in the reformer reactor operating in a reforming step to produce hydrogen-rich reformate gas. The fuel is delivered from a fuel supply and the steam is generated by a heat recovery steam generator (HRSG). The reformate gas is fed to a shift reactor to reduce the concentration of carbon monoxide (CO) gas present in the reformate gas. Product gas generated by the shift reactor is received in a condenser to recover heat from the product gas. In one embodiment output gas stream from the condenser is supplied to a CO oxidizer to further reduce the CO concentration. The output gas stream from the CO oxidizer is supplied to an anode of a fuel cell, the fuel cell including a cathode for receiving ambient air to initiate an electrochemical reaction with the gas stream received by the anode. In another embodiment the output gas stream from the condenser is supplied to a Pressure Swing Adsorber (PSA). The output gas is high-purity hydrogen which can be utilized for industrial hydrogen or hydrogen vehicle refueling applications.

The invention is about Mg-base hydrogen storage material and the method of the procedure. It has the chemical composition of Mgp-xMxNi-yNy-NieBf, M has the alternative of Al, Mn, Sn, Ca, Li, B, Na, B, Na, K, La, Ce, Nd, Pr, Y and misch metal. N has the alternative of V, Cu, Ti, Co, Fe, Ag, Cr, Zr, Se, Nb, Mo, W, Nb, C, Si and Sn, 1.0 <=p<=2.5, 0<=x<=1.0, 0<=y<=0.8, 1<=e<=3, 1<=f<=3. It has a good property under normal temperature and pressure, the electric pole that made by it has a high galvano-chemistry capability and cycle life. Its advantages include stable property; low price; extensive use of Ni-H battery, H accumulator, H power auto and fuel battery.

The invention relates to a leakage preventive hydrogen tank for a hydrogen-powered automobile, belongs to the technical field of new energy automobiles, and aims at solving the problem that a hydrogentank of a hydrogen-powered automobile in the prior art possibly leaks during use and potential risk is caused. The leakage preventive hydrogen tank for the hydrogen-powered automobile comprises an inner layer of the hydrogen tank, an outer layer of the hydrogen tank, a solid hydrogen storing material which is arranged between the inner layer of the hydrogen tank and the outer layer of the hydrogen tank, a hydrogen leakage detecting device and a data receiving and handling system, wherein the hydrogen leakage detecting device is used for detecting whether hydrogen leaks between the inner layerof the hydrogen tank and the outer layer of the hydrogen tank; and the solid hydrogen storing material is used for absorbing the possibly leaked hydrogen. With the adoption of the leakage preventivehydrogen tank for the hydrogen-powered automobile, the technical effects of detecting hydrogen leakage and preventing hydrogen from leaking into air can be achieved; the shortages in the prior art aresolved; and the leakage preventive hydrogen tank for the hydrogen-powered automobile has outstanding substantive characteristics and obvious progress.

The invention discloses a hydrogen vehicle capable of producing hydrogen by alcohol cracking, comprising a heating part, a control part, an alcohol gasifying and cracking part, a hydrogen engine and a synthesis part, wherein the heating part comprises a vehicle tail heating device and a special electric heater, and can instantly convert liquid methanol into gaseous methanol under the instruction of a vehicle starting control system; the control part monitors the rotation speed of the engine through an electric control unit and controls the emitted dose of the methanol in a cracker through the opening of a throttle valve; the alcohol gasifying and cracking part comprises a carburetor and the cracker, the gaseous methanol from the carburetor enters the cracker, and the hydrogen produced by cracking enters a cylinder of the hydrogen engine; and the synthesis part comprises a temperature controller, a throttle, an alcohol fuel tank, a cooling tank, a mixer, an air filter and the like. The hydrogen vehicle provided by the invention adopts the alcohol-cracking hydrogen producing technology, uses the methanol which is cheaper in renewable energy sources as the vehicle fuel, is economic and environment-friendly, and no longer depends on the traditional petroleum energy resources of gasoline or diesel oil.

A method for storing hydrogen which combines the advantages of at least two known methods for storing hydrogen, selected amongst the methods for storing hydrogen in a gaseous form, in a liquid form and in a solid form. More specifically, the above method consists in coupling and using in a single tank at least two of the methods for storing hydrogen mentioned hereinabove, namely: A) the method for storing hydrogen in a gaseous form; B) the method for storing hydrogen in a liquid form; and C) the method for storing hydrogen in a solid form, in volume or surface, preferably by means of a suitable hydride. The only condition is that each of the above methods be used for storing at least 5% by weight of the total amount of hydrogen to be stored within a tank. Such a method permits to obtain fast release of hydrogen whenever required while ensuring high storage capacities. It also permits to satisfy transitory periods especially during the accelerations of a hydrogen-powered automotive vehicle.

The invention discloses a low-voltage power-off method of a hydrogen energy vehicle. The hydrogen energy vehicle comprises a keyless system PEPS, an electronic steering column lock ESCL, a one-key start switch SSB, an ACC gear relay, a vehicle speed detection assembly, a brake pedal assembly and an IGN gear relay, wherein the electronic steering column lock ESCL, the one-key start switch SSB, theACC gear relay, the vehicle speed detection assembly, the brake pedal assembly and the IGN gear relay are all in communication connection with the keyless system PEPS. The low-voltage power-off methodcomprises an ON-gear normal power-off control step and an ON-gear emergency power-off control step. The low-voltage power-off method of the hydrogen energy vehicle has the advantages of being safe and reliable.

A method of refueling a tank of a vehicle with a hydrogen gas from a hydrogen refueling station, including initiating flow of hydrogen gas in a hose being controlled by a controller controlling a valve, opening the valve and monitoring the temperature and pressure of the hydrogen gas in tank, based on the monitored temperature and the monitored pressure establishing an estimated state of charge during the refueling, terminating the refueling when the estimated state of charge reaches an upper state of charge being above the tank rated density, the upper state of charge being determined on the basis of a pre-estimated correction of state of charge, the pre-estimated correction of state of charge designating a decrease of the estimated state of charge in the vehicle tank after the closing of the valve disconnecting the hose between the vehicle tank and the hydrogen source.

A method of refueling a vehicle tank with hydrogen, the refueling is controlled by a refueling station controller, the method including: connecting the tank to the station, initiating the refueling process, during the refueling monitoring the temperature of the gas inside the tank, establishing a pressure stop criterion for the refueling, based on a pressure category of the tank and the monitored temperature of the gas, the establishing of the pressure stop criterion being based on a lookup in a predefined table of a plurality of pressure stop criteria, during the refueling monitoring the pressure of the gas inside the tank, by the controller comparing the pressure of the gas with the pressure stop criterion and terminating the refueling when the pressure of the gas inside the tank has reached the pressure stop criterion, and disconnecting the vehicle and the refueling station.

The invention discloses an automatic charging system during fuel battery idling in a hydrogen energy source automobile. The automatic charging system is characterized by comprising the hydrogen energy source automobile, a fuel battery system, a control system and a vehicle-mounted use appliance, wherein the fuel battery system, the control system and the vehicle-mounted use appliance are arranged in the hydrogen energy source automobile, and the fuel battery system comprises a hydrogen fuel battery stack, a storage battery pack and a power storage battery pack, and the control system comprises an integral controller ECU (Electronic Control Unit), a BMS (battery management system) and a plurality of DC/DC (direct current to direct current) converters. The automatic charging system has the beneficial effects that the system is matched with the hydrogen energy source automobile and realizes the characteristic that the independent intelligent charging on the automobile can be realized, in addition, the charging can be carried out under the conditions of no spare charging interface, inoperation state of the automobile and insufficient charging conditions, the spare time can be sufficiently utilized, the conditions of no power of the automobile and the fighting with others for charging piles cannot occur, the time and the space are greatly saved, the resources are also saved, and automobile owners can more safely and more comfortably use the automobile.

Belonging to the technical field of solid state hydrogen storage in hydrogen energy development and utilization, the invention relates to an improved LiNH2-LiH composite hydrogen storage material and a method for improving hydrogen storage properties. The improved LiNH2-LiH composite hydrogen storage material is a K2TiF6 doped LiNH2-LiH composite hydrogen storage material. The alkali metal light metal hydride (LiH-LiNH2) solid state hydrogen storage material has the advantages of high performance and low density. According to the invention, K<+>, Ti<+> and F<-> ions are simultaneously doped into a LiH-LiNH2 mixed system by ball milling effect, so that the dehydrogenation initial temperature of the compound is greatly reduced (by 124DEG C), the compound has obviously improved rate, and the reversible cyclic hydrogen absorption and desorption stability of the composite system is improved. Under the action of the catalyst K2TiF6, the performance of the Li-N-H system is improved. The method provided by the invention is safe and efficient, and further promotes the practical application of hydrogen powered automobiles and fuel cells.

The invention discloses a galvanic pile heat dissipation system and method for a hydrogen energy automobile, and belongs to the technical field. The system comprises a heat exchange system, a heat dissipation system and a spraying system, the heat exchange system comprises a liquid cooling pipeline passing through the fuel cell, and a heat exchanger and a heat transfer device through with the liquid cooling pipeline passes; the heat dissipation system comprises one of a compressor or a two-phase pump, a refrigerant pipeline and a radiator through which the refrigerant pipeline passes, a heat dissipation fan is arranged on the radiator, and the vaporization spraying system comprises a galvanic pile drainage collecting device, a spraying pipe and a spray head arranged at the output end of the spraying pipe. Water produced by reaction of the fuel cell is collected and sprayed to the radiator, so that the phase change evaporative cooling function is achieved, and the purpose of efficient heat dissipation is achieved. Meanwhile, the drained water is heated and vaporized by utilizing the heat of the radiator, so that the pavement can be effectively prevented from being slippery, the normal working range of the fuel cell is ensured, the electricity conversion efficiency of the fuel cell is improved, and the service life is prolonged.