Regeneration of aluminum hydride

Graetz, Jason Allan; Reilly, James J

Title: Regeneration of aluminum hydride

Patent · Tue Apr 21 00:00:00 EDT 2009

OSTI ID:986570

Graetz, Jason Allan ^[1]; Reilly, James J ^[2]

Mastic, NY
Bellport, NY

The present invention provides methods and materials for the formation of hydrogen storage alanes, AlH.sub.x, where x is greater than 0 and less than or equal to 6 at reduced H.sub.2 pressures and temperatures. The methods rely upon reduction of the change in free energy of the reaction between aluminum and molecular H.sub.2. The change in free energy is reduced by lowering the entropy change during the reaction by providing aluminum in a state of high entropy, by increasing the magnitude of the change in enthalpy of the reaction or combinations thereof.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-98CH10886

Assignee:: Brookhaven Science Associates, LLC (Upton, NY)

Patent Number(s):: 7,521,037

Application Number:: 11/831,297; TRN: US201017%%410

OSTI ID:: 986570

Country of Publication:: United States

Language:: English

References (7)

The P,T-State Diagram and Solid Phase Synthesis of Aluminum Hydride Konovalov, Sergei K.; Bulychev, Boris M. Inorganic Chemistry, Vol. 34, Issue 1 https://doi.org/10.1021/ic00105a029	journal	January 1995
Preparation and properties of aluminum hydride Brower, Frank M.; Matzek, Norman E.; Reigler, Paul F. Journal of the American Chemical Society, Vol. 98, Issue 9 https://doi.org/10.1021/ja00425a011	journal	April 1976
Hydrogen in aluminum Birnbaum, H. K.; Buckley, C.; Zeides, F. Journal of Alloys and Compounds, Vol. 253-254 https://doi.org/10.1016/S0925-8388(96)02968-4	journal	May 1997
Lithium Aluminum Hydride, Aluminum Hydride and Lithium Gallium Hydride, and Some of their Applications in Organic and Inorganic Chemistry ¹ Finholt, A. E.; Bond, A. C.; Schlesinger, H. I. Journal of the American Chemical Society, Vol. 69, Issue 5 https://doi.org/10.1021/ja01197a061	journal	May 1947
Physiochemical Pathway for Cyclic Dehydrogenation and Rehydrogenation of LiAlH ₄ Wang, Jun; Ebner, Armin D.; Ritter, James A. Journal of the American Chemical Society, Vol. 128, Issue 17 https://doi.org/10.1021/ja060045l	journal	May 2006
The Direct Synthesis of Amine Alanes Ashby, E. C. Journal of the American Chemical Society, Vol. 86, Issue 9 https://doi.org/10.1021/ja01063a066	journal	May 1964
The Equilibrium Between Solid Aluminium Hydride and Gaseous Hydrogen Baranowski, B.; Tkacz, M. Zeitschrift für Physikalische Chemie, Vol. 135, Issue 135 https://doi.org/10.1524/zpch.1983.135.135.027	journal	January 1983

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Related Subjects

08 HYDROGEN
ALUMINIUM
ENTHALPY
ENTROPY
FREE ENERGY
HYDRIDES
HYDROGEN STORAGE
INVENTIONS
REGENERATION

Title: Regeneration of aluminum hydride

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