Reactive Vapor-Phase Additives toward Destabilizing γ-Mg(BH 4 ) 2 for Improved Hydrogen Release
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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
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Thermal stability and structural studies on the mixtures of Mg(BH 4 ) 2 and glymes
Understanding speciation, stability, and degradation of Mg(BH 4 ) 2 ·glymes by powder XRD, DSC–TGA & TDS-MS.
08 HYDROGEN↗
Crystallographic characterization of (C 5 H 4 SiMe 3 ) 3 U(BH 4 )
New syntheses have been developed for the synthesis of (borohydrido-κ 3 H)tris[η 5 -(trimethylsilyl)cyclopentadienyl]uranium(IV), [U(BH 4 )(C 8 H 13 Si) 3 ] or Cp' 3 U(BH 4 ) (Cp' = C 5 H 4 SiMe 3 ) and its structure has been determined by single-crystal X-ray crystallography. This compound crystallized in the space group P1¯ and the structure features three η 5 -coordinated Cp' rings and a κ 3 -coordinated (BH 4 ) – ligand.
36 MATERIALS SCIENCE↗
Development of Magnesium Borane Containing Solutions of Furans and Pyrroles as Reversible Liquid Hydrogen Carriers (Final Technical Report)
The objective of this project was the development of a two-way liquid hydrogen carrier having a greater energy efficiency and lower delivery costs than either existing hydrogen carriers or conventional compressed H 2 gas transport technology. It was hypothesized that a hydrogen carrier consisting of solutions of furans and pyrroles containing Mg(BH 4 ) 2 and pincer complex catalyst, would have more than twice the volumetric available hydrogen density of the conventional two-way liquid hydrogen carrier, methylcyclohexane. Most notably the envisioned liquid hydrogen carrier would: 1) maintain high product selectivity through multiple cycles of dehydrogenation and hydrogenation; and 2) undergo rapid dehydrogenation and re-hydrogenation. The project was specifically aimed at the demonstration of at least one LOHC solution of Mg(BH 4 ) 2 and pincer catalyst that releases ≥ 50 g H 2 /L at ≤ 200 °C upon dehydrogenation and undergoes ≥ 25% rehydrogenation under 100 atm of H 2 at ≤ 200 °C.
08 HYDROGEN↗