An automatic obstruction device for closing a filling circuit for filling a tank with fluid includes: a movable element movable between a non-obstruction position of the filling circuit, in which the movable element offers resistance to the fluid compatible with the filling of the tank, and an obstruction position of the filling circuit, in which the movable offers a resistance to the fluid that is incompatible with the filling of the tank; a holding element of the movable element holding the movable element in the non-obstruction position, and allowing movement of the movable element toward the obstruction position; and a first device of non-reversible movement or of non-reversible modification of the holding element allowing movement of the movable element toward the obstruction position, and being controllable by a control device.

The invention relates to a method for filling a hydrogen tank (2) of a motor vehicle (1) comprising a fuel cell drive, wherein the method comprises the steps: (a) determining a first operating time at which the motor vehicle (1) is to be started up and an expected first operating location at which the motor vehicle (1) is to be started up, (b) ascertaining a predicted maximum ambient temperature (T.sub.U,max) at the first operating location at the first operating time, and (c) filling the hydrogen tank with hydrogen (3) until a tank pressure (p) in the hydrogen tank (2) reaches a maximum permissible tank pressure (p.sub.max) at a tank temperature (T), wherein the following applies for the tank temperature (T): tank temperature (T)=[maximum ambient temperature (T.sub.U,max); maximum ambient temperature (T.sub.U,max)+10 K]. The invention relates further to a motor vehicle (1) comprising a hydrogen tank (2), a fuel cell drive and a control system (5) for controlling filling of the hydrogen tank (2), wherein the control system (5) to carry out the method.

A non-pyrophoric AB.sub.2-type Laves phase hydrogen storage alloy and hydrogen storage systems using the alloy. The alloy has an A-site to B-site elemental ratio of no more than about 0.5. The alloy has an alloy composition including about (in at %): Zr: 2.0-5.5, Ti: 27-31.3, V: 8.3-9.9, Cr: 20.6-30.5, Mn: 25.4-33.0, Fe: 1.0-5.9, Al: 0.1-0.4, and/or Ni: 0.0-4.0. The hydrogen storage system has one or more hydrogen storage alloy containment vessels with the alloy disposed therein.

An embodiment structure for mounting hydrogen storage tanks for a vehicle includes a chassis frame including a first frame and a second frame spaced apart from each other and a cutting area, and a hydrogen storage tank assembly inserted into the cutting area in a height direction of the chassis frame and configured to support at least one hydrogen storage tank, wherein the hydrogen storage tank assembly includes a first member and a second member each being fastened to the chassis frame.

Disclosed is a gas discharge apparatus for liquefied hydrogen storage tanks, the gas discharge apparatus including a receptacle mounted to a liquefied hydrogen storage tank, the receptacle having a stationary valve configured to be opened by external force mounted therein, a multistage opening and closing device coupled to the receptacle such that the position of the multistage opening and closing device is adjustable, the multistage opening and closing device being configured to be opened by reaction force transmitted from the receptacle when moved relative to the receptacle, the multistage opening and closing device having a sliding valve configured to push open the stationary valve in the state in which the multistage opening and closing device is open, and a manipulation unit configured to move the multistage opening and closing device relative to the receptacle such that the sliding valve and the stationary valve are sequentially opened.

A motor vehicle includes at least one pressure vessel for storing fuel, and at least one holder for holding the pressure vessel. When installed, the holder encloses one end of the pressure vessel. The holder has a hard shell and an inner layer, wherein at least regions of the inner layer, when installed, are arranged between the hard shell and the connecting element. The hard shell has a higher rigidity than the inner layer.

A hydrogen supply device disposed in a high-potential section includes a bottle internally provided with a hydrogen absorbing alloy.

The present disclosure provides a vehicle having a storage assembly for storing and dispensing a pressurized gas. The storage assembly includes a first storage cylinder section and a second storage cylinder section that each have multiple storage cylinders arranged longitudinally parallel to one another in a first layer and at least in a second layer. The storage cylinders are fluidically connected to one another in a meandering manner by a plurality storage cylinder loops. Each of the storage cylinder loops is connected to an axial end of a storage cylinder disposed in the first layer and an axial end of a storage cylinder disposed in the second layer. The storage assembly includes a cross member frictionally connected to the body of the vehicle and arranged in an interstice defined between the first and second storage cylinder sections.

A hybrid dehydrogenation reaction system includes: an acid aqueous solution tank having an acid aqueous solution; an exothermic dehydrogenation reactor including a chemical hydride of a solid state and receiving the acid aqueous solution from the acid aqueous solution tank for an exothermic dehydrogenation reaction of the chemical hydride and the acid aqueous solution to generate hydrogen; an LOHC tank including a liquid organic hydrogen carrier (LOHC); and an endothermic dehydrogenation reactor receiving the liquid organic hydrogen carrier from the LOHC tank and generating hydrogen through an endothermic dehydrogenation reaction of the liquid organic hydrogen carrier by using heat generated from the exothermic dehydrogenation reactor.

The invention relates to a tank for storing hydrogen by absorption into a hydrogen-storage material. The tank contains a chamber, a hydrogen feed inlet, a hydrogen discharge outlet, and an inner structure for storing the hydrogen-storage material. The inner structure contains a stack along a longitudinal axis of at least two levels for containing the storage material. Each level includes a distributor cup, a receiver cup for the storage material, and a collector cup. The distributor cups, receiver cups and collector cups are stacked one on top of the other and rigidly and sealingly connected to one another. The invention also relates to a distribution pipe distributing in parallel hydrogen in the distributor cups such that, for each level, hydrogen flows from each distributor cup to the collector cup by passing through the storage material.