Provided is a liquid hydrogen storage material including 1,1-biphenyl and 1,1-methylenedibenzene, the liquid hydrogen storage material including the corresponding 1,1-biphenyl and 1,1-methylenedibenzene at a weight ratio of 1:1 to 1:2.5. The corresponding liquid hydrogen storage material has excellent hydrogen storage capacity value by including materials having high hydrogen storage capacity, and is supplied in a liquid state, and as a result, it is possible to minimize initial investment costs and the like required when the corresponding liquid hydrogen storage material is used as a hydrogen storage material in a variety of industries.

The present invention relates to a method for producing g-C.sub.3N.sub.4/metal composite nanoflakes comprising the following steps: (A) providing a starting material comprising or consisting of FePO.sub.4, urea and polyacrylnitrile, wherein the starting material is in the form of a powder having particles having an average particle size of less than 100 nm, (b) dispersing the starting material in a solvent, wherein the solvent is water, (c) removing the solvent to form a premix containing the starting material, (d) heating the premix and pyrolyzing the premix at a pyrolyzing temperature between 200 C. and 700 C., preferably between 400 C. and 600 C. to form a bulk g-C.sub.3N.sub.4 metal composite material, (e) treating the bulk g-C.sub.3N.sub.4 metal composite material with ultrasound to form g-C.sub.3N.sub.4 metal composite material nanoflakes.

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

Systems and methods for producing microcrystalline alpha alane are provided herein. An exemplary process for producing microcrystalline alpha alane includes reacting lithium aluminum hydride and aluminum chloride in a solvent to produce alane etherate, filtering alane etherate from the reactant, combining the filtered alane etherate with a lithium borohydride solution to produce solids that include microcrystalline alane etherate, removing remaining solvent from the solids, creating a slurry from the solids and an aromatic solvent, and heating the slurry to convert the microcrystalline alane etherate to microcrystalline alpha alane.

The electronic structure of nanowires, nanotubes and thin films deposited on a substrate is varied by doping with electrons or holes. The electronic structure can then be tuned by varying the support material or by applying a gate voltage. The electronic structure can be controlled to absorb a gas, store a gas, or release a gas, such as hydrogen, oxygen, ammonia, carbon dioxide, and the like.

Disclosed is a method for preparing a composite loaded with nano-magnesium hydride, including: adding a cationic surfactant into an aqueous dispersion of a two-dimensional transition metal carbide such that a nanosheet of the two-dimensional transition metal carbide wrinkles, to avoid re-stacking, and then washing and drying; placing a dried product into a sealed container, vacuuming the sealed container, heating to a high temperature, and holding at the high temperature for a period of time; filling the sealed container with high-pressure hydrogen and holding for a period of time to obtain a heated product; adding the heated product and dibutyl magnesium into an organic solvent, conducting ultrasonic dispersion, then heating under stirring at a hydrogen pressure of 3 MPa to 6 MPa and a temperature of 180 C. to 220 C. for 12 h to 48 h, and centrifuging and drying to obtain the composite loaded with nano-magnesium hydride.

The present invention relates to a method for preparing a graphite powder composite supported by transition metal particles for storing hydrogen, and more specifically, to a method for preparing a graphite powder composite supported by transition metal particles having significantly improved hydrogen storage capacity, by means of introducing the transition metal particles having support capacity and particle diameters which are controlled, of transition metals such as nickel (Ni), palladium (Pd), platinum (Pt), and yttrium (Y), to an oxidized graphite powder that is provided with functionality through a chemical surface treatment.

We describe a method of storing a gas, in particular hydrogen, comprising: providing a polymer sponge, wherein said polymer sponge comprises a plurality of catalytic nanoparticles; providing a solution of reactants, catalysed by said nanoparticles to produce said gas; absorbing said solution into said polymer sponge such that said reactants react within said polymer sponge to produce said gas; wherein said gas is held within said polymer sponge; and wherein said polymer sponge comprises a thermally responsive polymer having a volume which reduces with a change in temperature, such that said gas held within said polymer is extractable by changing a temperature of said polymer sponge.

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 an 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 activated and 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.

The electronic structure of nanowires, nanotubes and thin films deposited on a substrate is varied by doping with electrons or holes. The electronic structure can then be tuned by varying the support material or by applying a gate voltage. The electronic structure can be controlled to absorb a gas, store a gas, or release a gas, such as hydrogen, oxygen, ammonia, carbon dioxide, and the like.