Improved dehydrogenation properties of Ca(BH4)2-LiNH2 combined system.

A combined hydrogen storage system of Mg(BH4)(2)-LiNH2 with favorable dehydrogenation

Improved dehydrogenation properties of the combined Mg(BH4) 2·6NH3-nNH3BH3 system

A combined strategy via mixing Mg(BH4)2·6NH3 with ammonia borane (AB) is employed to improve the dehydrogenation properties of Mg(BH4)2·6NH3. The combined system shows a mutual dehydrogenation improvement in terms of dehydrogenation temperature and hydrogen purity compared to the individual components. A further improved hydrogen liberation from the Mg(BH4)2·6NH3–6AB is achieved with the assist...

The Effects of Additives on the Dehydrogenation of Amorphous Manganese Borohydride and Its Crystalline Form after Solvent Filtration/Extraction

A non-stoichiometric, amorphous a-Mn(BH4)(2x) hydride, accompanied by a NaCl-type salt, was mechanochemically synthesized from the additive-free mixture of (2NaBH4 + MnCl2), as well as from the mixtures containing the additives of ultrafine filamentary carbonyl nickel (Ni), graphene, and LiNH2. It is shown that both graphene and LiNH2 suppressed the release of B2H6 during thermal gas desorption...

The synthesis, structure and dehydrogenation of calcium borohydride hydrazinates

Calcium borohydride hydrazinates, Ca(BH4)2-nN2H4 (n 1⁄4 4/3, 1, 2, 3) have been synthesized successfully. In particular, Ca(BH4)2 2N2H4 crystallizes in a monoclinic space group of C2/m with the lattice parameters of a 1⁄4 10.1385 Å, b 1⁄4 8.6342 Å, c 1⁄4 4.6384 Å, b 1⁄4 106.467 . It can release 5.9 equiv. gas/Ca(BH4)2 (approximately 8.8 wt. % H2) at 240 C. Ca(BH4)2-N2H4 and Ca(BH4)2-4/3N2H4, on...

Synthesis, structures and hydrogen storage properties of two new H-enriched compounds: Mg(BH4)2(NH3BH3)2 and Mg(BH4)2·(NH3)2(NH3BH3).

The synthesis, crystal structure and dehydrogenation performances of two new H-enriched compounds, Mg(BH4)2(NH3BH3)2 and Mg(BH4)2·(NH3)2(NH3BH3), are reported. Due to the introduction of ammonia ligands, the Mg(BH4)2·(NH3)2(NH3BH3) exhibits dramatically improved dehydrogenation properties over its parent compound.