Process for synthesis of ammonia borane for bulk hydrogen storage

Autrey, S Thomas; Heldebrant, David J; Linehan, John C; Karkamkar, Abhijeet J; Zheng, Feng

Title: Process for synthesis of ammonia borane for bulk hydrogen storage

Patent · Tue Mar 01 00:00:00 EST 2011

OSTI ID:1016556

Autrey, S Thomas ^[1]; Heldebrant, David J ^[2]; Linehan, John C ^[2]; Karkamkar, Abhijeet J ^[2]; Zheng, Feng ^[2]

West Richland, WA
Richland, WA

The present invention discloses new methods for synthesizing ammonia borane (NH.sub.3BH.sub.3, or AB). Ammonium borohydride (NH.sub.4BH.sub.4) is formed from the reaction of borohydride salts and ammonium salts in liquid ammonia. Ammonium borohydride is decomposed in an ether-based solvent that yields AB at a near quantitative yield. The AB product shows promise as a chemical hydrogen storage material for fuel cell powered applications.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC06-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 7,897,129

Application Number:: US Patent Application 12/431,496

OSTI ID:: 1016556

Country of Publication:: United States

Language:: English

References (11)

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Chemical Evidence for the Structure of the “Diammoniate of Diborane.” II. The Preparation of Ammonia-Borane Shore, S. G.; Parry, R. W. Journal of the American Chemical Society, Vol. 80, Issue 1 https://doi.org/10.1021/ja01534a003	journal	January 1958
Symmetrical cleavage of diborane by ammonia in solution Mayer, Erwin. Inorganic Chemistry, Vol. 11, Issue 4 https://doi.org/10.1021/ic50110a044	journal	April 1972
THE CRYSTALLINE COMPOUND AMMONIA-BORANE, ¹ H ₃ NBH ₃ Shore, Sheldon G.; Parry, Robert W. Journal of the American Chemical Society, Vol. 77, Issue 22 https://doi.org/10.1021/ja01627a103	journal	November 1955
Preparation of Ammonia Borane in High Yield and Purity, Methanolysis, and Regeneration Ramachandran, P. Veeraraghavan; Gagare, Pravin D. Inorganic Chemistry, Vol. 46, Issue 19, p. 7810-7817 https://doi.org/10.1021/ic700772a	journal	September 2007
Non-hydride systems of the main group elements as hydrogen storage materials Langmi, Henrietta W.; McGrady, G. Sean Coordination Chemistry Reviews, Vol. 251, Issue 7-8 https://doi.org/10.1016/j.ccr.2006.09.009	journal	April 2007
Synthesis of ammonia borane for hydrogen storage applications Heldebrant, David J.; Karkamkar, Abhi; Linehan, John C. Energy & Environmental Science, Vol. 1, Issue 1, p. 156-160 https://doi.org/10.1039/b808865a	journal	January 2008
Conversion of dihydridodiammineboron(III) borohydride to ammonia-borane without hydrogen evolution Mayer, Erwin Inorganic Chemistry, Vol. 12, Issue 8 https://doi.org/10.1021/ic50126a060	journal	August 1973
Kinetics of the reaction of ammonium ion with hydroborate ion in liquid ammonia Briggs, Thomas S.; Jolly, William L. Inorganic Chemistry, Vol. 14, Issue 9 https://doi.org/10.1021/ic50151a050	journal	September 1975
Large Scale Synthesis of H ₂ B(NH ₃ ) ₂ +BH ₄ - and H ₃ NBH ₃ Shore, S. G.; Boddeker, K. W. Inorganic Chemistry, Vol. 3, Issue 6 https://doi.org/10.1021/ic50016a038	journal	June 1964
Ammonium borohydride-a novel, hydrogen-rich material for polarized targets Krumpolc, M. AIP Conference Proceedings Vol 95 https://doi.org/10.1063/1.33854	conference	January 1982

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