Patent ID: 7780747

Claim:
An apparatus for storing and dispensing gas, comprising: (a) a storage and dispensing vessel for containing a gaseous hydride that is decomposable to produce hydrogen gas and a solid decomposition product, and wherein the gaseous hydride undergoes decomposition to form hydrogen gas; and (b) a decomposition chamber, said decomposition chamber comprising a decomposition portion and a collection portion, wherein the storage and dispensing vessel is connected in gas flow communication to the decomposition portion of the decomposition chamber, wherein the decomposition portion and the collection portion are separated by a hydrogen gas permeable membrane, wherein the decomposition portion contains a phosphoric acid-doped carbon adsorbent effective to decompose said gaseous hydride to produce hydrogen gas, and a solid decomposition product, and wherein the collection portion of the decomposition chamber is arranged to receive hydrogen gas that passes through the hydrogen gas permeable membrane, and to dispense the hydrogen gas for use.