A hydrogen storage system includes a pressure-sealed sleeve defining an interior and having an outlet, a shaft extending through the interior of the sleeve, a set of porous chambers arranged axially along and concentric to the shaft, and a hydrogen storage, wherein at least some hydrogen gas is supplied to the outlet.

This disclosure relates to novel manganese hydrides, processes for their preparation, and their use in hydrogen storage applications. The disclosure also relates to processes for preparing manganese dialkyl compounds having high purity, and their use in the preparation of manganese hydrides having enhance hydrogen storage capacity.

A hydrogen storage material includes Mg(NH.sub.2).sub.2, LiH, and MgH.sub.2. A manufacturing method of a hydrogen storage material includes steps of manufacturing a mixture by mixing Mg(NH.sub.2).sub.2, LiH, and MgH.sub.2, and pulverizing the mixture.

A pyrolytic reactor (10, 200, 300) for recovering carbon from certain plastics comprising: at least one reactor vessel (12), the at least one reactor vessel (12) having a first reaction chamber (34) and a second reaction chamber (42); a material delivery system (32) for delivering the certain plastics in particulate form to the first reaction chamber (34); a catalyst delivery system (46) for delivering a metal catalyst to the second reaction chamber (42); and a separator (20). The particulate plastic material is heated in the first reaction chamber (34) to a first temperature range so as to decompose into a collection of gases that are heated in the second reaction chamber (42) in conjunction with the metal catalyst to form a collection of post-reactor gases (comprised principally of hydrogen gas) having carbon coated catalytic material entrained therein, the separator (20) operable to separate at least some of the carbon coated catalytic material from the post-reactor gases.

A low-cost getter material comprising palladium and manganese oxide and methods of making the same. A tank including said getter material, and a method of removing hydrogen gas.

Disclosed herein is a class of co-ordination framework materials having various useful properties. The co-ordination frameworks comprise complexes of M.sub.2[M.sup.1(CN).sub.6] or A.sub.x(M.sub.2[M.sup.1(CN).sub.6]), wherein M is selected from V, Cr, Mn, Fe, Co, Ni, Cu, Ag, Au, Zn, Ru, Rh, Pd and Pt; M.sup.1 is selected from Fe and Ru; A (when present) is located in the pores of the framework and is selected from Li.sup.+, Na.sup.+, K.sup.+, Be.sup.2+, Mg.sup.2+ and Ca.sup.2+; and x (when present) is 0<x8. Also disclosed are methods of making said materials and various uses of said materials.

The present disclosure relates to improved processes for the preparation of metal hydrides. The present disclosure also relates to metal hydrides, e.g., metal hydrides prepared by the processes described herein, that exhibit enhanced hydrogen storage capacity when used as hydrogen storage systems.

Method of storing hydrogen by forming a first ionic liquid by inducing a borohydride in a second ionic liquid comprising a cation and an anion comprising borate, and forming the second ionic liquid by releasing the hydrogen out of the first ionic liquid by using water and/or a catalyst, which method is characterized in that the first and the second ionic liquid are both water miscible and the second ionic liquid is separated, particularly is salted out, from solution in water by adding a separation inducer; certain ionic liquids for storing and releasing hydrogen comprising a borohydride or for preparing a ionic liquid for storing and releasing hydrogen comprising a borate; and a process for preparing ionic liquids for storing and releasing hydrogen comprising a borohydride.

Methods of forming a diatom-based nanocomposite are provided. The methods include mixing at least one diatomic material, one or more metal precursors, and functionalized graphite oxide to form a mixture. The methods also include exfoliating the mixture in presence of hydrogen to reduce functionalized graphite oxide to graphene and reducing the one or more metal precursors to metal nanoparticles. The methods further include depositing the metal nanoparticles on the diatomic material to form the diatom-based nanocomposite.

A method of producing hydrogen comprises electrolysing water to produce a mixture of hydrogen and oxygen gases. passing the mixture into a chamber containing a hydrogen storage medium to store the hydrogen by adsorption therein, venting the oxygen from the chamber, and subsequently treating the hydrogen storage medium to release the hydrogen stored therein. Apparatus for producing hydrogen from water comprises an electrolyser unit (1, 2) having mounted thereon a chamber (5) in communication with a gas outlet (3) from the electrolyser. the chamber containing a hydrogen storage medium (4) and being provided with means (8) for venting oxygen from the chamber.