Confinement of hydrogen at high pressure in carbon nanotubes

Details Confinement of hydrogen at high pressure in carbon nanotubes Confinement of hydrogen at high pressure in carbon nanotubes

2008-09-18

2011-12-13

Mayes, Melvin (Department: 1732)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

C423S648100, C502S416000, C502S400000, C502S406000, C502S414000, C502S401000, C502S060000, C977S742000, C977S762000

Reexamination Certificate

active

08076034

ABSTRACT:
A high pressure hydrogen confinement apparatus according to one embodiment includes carbon nanotubes capped at one or both ends thereof with a hydrogen-permeable membrane to enable the high pressure confinement of hydrogen and release of the hydrogen therethrough. A hydrogen confinement apparatus according to another embodiment includes an array of multi-walled carbon nanotubes each having first and second ends, the second ends being capped with palladium (Pd) to enable the high pressure confinement of hydrogen and release of the hydrogen therethrough as a function of palladium temperature, wherein the array of carbon nanotubes is capable of storing hydrogen gas at a pressure of at least 1 GPa for greater than 24 hours. Additional apparatuses and methods are also presented.

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