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Procedures for the synthesis of ethylenediamine bisborane and ammonia borane

Patent ·
OSTI ID:1338064

A method for synthesizing ammonia borane includes (a) preparing a reaction mixture in one or more solvents, the reaction mixture containing sodium borohydride, at least one ammonium salt, and ammonia; and (b) incubating the reaction mixture at temperatures between about 0.degree. C. to about room temperature in an ambient air environment under conditions sufficient to form ammonia borane. Methods for synthesizing ethylenediamine bisborane, and methods for dehydrogenation of ethylenediamine bisborane are also described.

Research Organization:
PURDUE RESEARCH FOUNDATION, West Lafayette, IN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG36-06GO86050
Assignee:
PURDUE RESEARCH FOUNDATION (West Lafayette, IN)
Patent Number(s):
9,534,002
Application Number:
13/809,316
OSTI ID:
1338064
Country of Publication:
United States
Language:
English

References (14)

Synthesis of ammonia borane for hydrogen storage applications journal January 2008
Efficient Regeneration of Partially Spent Ammonia Borane Fuel journal September 2009
Iridium-Catalyzed Dehydrogenation of Substituted Amine Boranes: Kinetics, Thermodynamics, and Implications for Hydrogen Storage journal October 2008
B–N compounds for chemical hydrogenstorage journal January 2009
Ammonia Borane Hydrogen Release in Ionic Liquids journal October 2009
Will We Soon Be Fueling our Automobiles with Ammonia–Borane? journal November 2007
Diaminomethane dihydrochloride, a novel reagent for the synthesis of primary amides of amino acids and peptides from active esters journal July 1993
A Soft Hydrogen Storage Material: Poly(Methyl Acrylate)-Confined Ammonia Borane with Controllable Dehydrogenation journal January 2010
Ammonia–borane: the hydrogen source par excellence? journal January 2007
Ethane 1,2-Diamineborane journal September 1960
Ammonia Borane and Related Compounds as Hydrogen Source Materials book March 2010
Ammonia Borane as a Hydrogen Carrier: Dehydrogenation and Regeneration journal February 2010
Preparation of Ammonia Borane in High Yield and Purity, Methanolysis, and Regeneration journal September 2007
Amine− and Phosphine−Borane Adducts: New Interest in Old Molecules journal July 2010

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