The invention relates to a hydrogen compressor with metal hydride comprising: a pressure chamber, comprising an inner space, defined by a first inner surface; a shell with a thickness E, the shell comprising a first outer surface facing the first inner surface, the shell comprising an insulating material with first thermal conductivity; and a hydrogen storage element, contained in the shell, comprising a storage material suitable for storing or releasing hydrogen as a function of a temperature that is imposed on same, and having a second thermal conductivity higher than the first thermal conductivity.

A method for making a metal-hydride slurry includes adding metal to a liquid carrier to create a metal slurry and hydriding the metal in the metal slurry to create a metal-hydride slurry. In some embodiments, a metal hydride is added to the liquid carrier of the metal slurry prior to hydriding the metal. The metal can be magnesium and the metal hydride can be magnesium hydride.

A method and a system is provided for obtaining solid-state hydrogen storage and release in materials with at least theoretical loaded hydrogen densities of 11 wt % or greater that can deliver hydrogen and be recharged at moderate temperatures enabling incorporation into hydrogen storage systems suitable for transportation applications. These materials comprise ternary boride materials comprising certain light transition metals and alkaline or alkaline earth metals, and ideally have no or very little phase separation. A process of making these materials is also provided.

Disclosed is a technique for capturing, refining and storing byproduct hydrogen generated by a seawater electrolyzer, using the byproduct hydrogen in an energy system, and producing high-purity magnesium oxide from alkali byproducts additionally produced after seawater electrolysis. An energy system 100 may include a seawater electrolyzer 110 generating a chlorine substance by electrolyzing seawater, a hydrogen storage unit 120 capturing, refining, and storing byproduct hydrogen generated in the electrolysis process by the seawater electrolyzer, a fuel cell 130 using, as fuel, the byproduct hydrogen stored in the hydrogen storage unit, an MgO acquisition unit 140 converting, into magnesium oxide, magnesium hydroxide additionally generated from the seawater in the seawater electrolyzer, a hydrogen capture pipe 150 having one side coupled to the seawater electrolyzer and other side coupled to the hydrogen storage unit and transferring the byproduct hydrogen from the seawater electrolyzer to the hydrogen storage unit.

Methods and devices and aspects thereof for generating power using PEM fuel cell power systems comprising a rotary bed (or rotatable) reactor for hydrogen generation are disclosed. Hydrogen is generated by the hydrolysis of fuels such as lithium aluminum hydride and mixtures thereof. Water required for hydrolysis may be captured from the fuel cell exhaust. Water is preferably fed to the reactor in the form of a mist generated by an atomizer. An exemplary 750 We-h, 400 We PEM fuel cell power system may be characterized by a specific energy of about 550 We-h/kg and a specific power of about 290 We/kg. Turbidity fixtures within the reactor increase turbidity of fuel pellets within the reactor and improve the energy density of the system.

A hydrogen compression system includes an inner container made of a non-magnetic element and having a hydrogen inlet/outlet portion through which hydrogen flows in or out of the inner container, a metal hydride material accommodated in the inner container, an outer container configured to surround the inner container and having an inlet/outlet port through which hydrogen flows in or out of the outer container, and an induction heating unit disposed between the inner container and the outer container and configured to heat the metal hydride material by induction heating, thereby obtaining an advantageous effect of simplifying a structure and process for heating the metal hydride material and quickly heating the metal hydride material to an accurate temperature.

The present invention concerns a hydrogen store comprising a hydrogenable material, and a method for producing a hydrogen store.

A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally a granular elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.

Provided is a boiler configured to perform heating by a heat generation section provided with heat generation bodies in a container and capable of properly charging a circulation path including, as part thereof, the inside of the container with required gas. A boiler includes: heat generation bodies; a container configured such that the heat generation bodies are provided inside and configured chargeable with gas with higher specific heat than that of air; and a circulation path including, as part thereof, the inside of the container, the circulation path being a path in which gas circulates. When the charging process of charging the circulation path with the gas is performed, a circulation amount and a gas concentration in the circulation path are monitored.

Provided is a core/shell composite that includes a core portion containing a heat resistant material selected from an inorganic oxide, a ceramic, a mineral and the like and having rigidity, and at least one layer of shell portion containing a hydrogen absorbing/desorbing metal covering the entire or a part of the core portion. The heat resistant material contained in the core portion has a melting point higher than the highest melting point among the hydrogen absorbing/desorbing metal contained in the shell portion. In a method for producing the core/shell composite, the core portion is covered with the shell portion by deposition in the absence of oxygen.