METHODS FOR IMPROVING LOADING RATIO OF HYDROGEN GAS

METHODS FOR IMPROVING LOADING RATIO OF HYDROGEN GAS

Methods and apparatus for improving the loading ratio of a hydrogen gas in a transition metal are disclosed. Blocking desorption sites on the surface of a metallic structure increases the partial hydrogen/deuterium pressure when the absorption and desorption processes reach an equilibrium. The highe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GREENWALD, Michael Raymond, BURGESS, Darren R, BARBEE, Brent W
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:Methods and apparatus for improving the loading ratio of a hydrogen gas in a transition metal are disclosed. Blocking desorption sites on the surface of a metallic structure increases the partial hydrogen/deuterium pressure when the absorption and desorption processes reach an equilibrium. The higher the number of desorption sites that are blocked, the higher the equilibrium pressure can be reached for attaining a higher hydrogen loading ratio. Moreover, since hydrogen desorption occurs at grain boundaries, reducing grain boundaries is conducive to reducing the hydrogen desorption rate. Methods and apparatus for increasing grain sizes to reduce grain boundaries are also disclosed.