Aluminium complexes of B- and N-based hydrides: Synthesis, structures and hydrogen storage properties

Decomposition Mechanism of Zinc Ammine Borohydride: A First-Principles Calculation

“…x ) with high gravimetric and volumetric densities of hydrogen have received great attention in the past few decades. [4][5][6][7][8] The experimental and theoretical studies suggest a correlation between the hydrogen desorption temperature and the Pauling electronegativity of the cation (χ p ) of metal borohydrides. 9,10 The metal borohydrides with low χ p tend to release hydrogen at high temperature.…”

Solid Aluminum Borohydrides for Prospective Hydrogen Storage

“…Recently, it was shown that the highly polarizing Al 3+ significantly alters the properties of complex and chemical hydrides, such as borohydrides or ammonia borane . Effectively, Al 3+ is a strong Lewis acid that can serve as a template in chemical transformations of hydrides.…”

“…Indeed, Al-containingh ydrides and composites have attracted agreat deal of attention as hydrogen storagemedia. In particular, alane AlH 3 [15] and alanates of alkali and alkaline-earth metals M(AlH 4 ) n [16] as well as Al-N-B-based hydrides [17] are being intensively investigated. Among such species, NaAlH 4 is the most studied alanate, owing to its high hydrogen content of 5.6 wt %a nd the Ti-catalyzed reversible desorption and absorp-Metal borohydrides are intensively researched as high-capacity hydrogen storagem aterials.…”

“…Recently,i tw as shown that the highly polarizing Al 3 + significantly alters the properties of complex and chemical hydrides, such as borohydrides or ammonia borane. [17] Effectively,A l 3 + is as trong Lewis acid that can serve as at emplatei nc hemical transformations of hydrides. Aluminum is capable of coordinating both the initial hydrogenated species as well as the dehydrogenation products, [23] enabling in some cases ah ydrogen desorption reversibility.…”

Binuclear Copper(I) Borohydride Complex Containing Bridging Bis(diphenylphosphino) Methane Ligands: Polymorphic Structures of [(µ2-dppm)2Cu2(η2-BH4)2] Dichloromethane Solvate

“…Copper(I) tetrahydroborates with phosphine ligands featuring relative stability to air oxygen and moisture are used as selective reducing agents [36][37][38][39][40], catalysts of photosensitized isomerization of dienes [41][42][43] and hydrolytic dehydrogenation of ammonia borane [44]. Since metal tetrahydroborates have great potential in hydrogen storage technology [45][46][47][48][49][50], as catalysts [51][52][53][54][55] and selective reducing agents [56][57][58][59][60][61] their structural and dynamic properties have been actively investigated [52,[62][63][64]. These studies revealed different modes of BH 4 − coordination to the metal atom, which can behave as mono-, bi-, or tridentate ligand [64].…”