نتایج جستجو برای: metal hydrides
تعداد نتایج: 198270 فیلتر نتایج به سال:
High-pressure metal hydride (MH) research evolved into a thriving field within condensed matter physics following the realization of metallic compounds showing phonon mediated near room-temperature superconductivity. However, severe limitations in determining chemical formula reaction products, especially with regards to their hydrogen content, impedes deep understanding synthesized phases and ...
Thermodynamically destabilized hydride formation in "bulk" Mg-AlTi multilayers for hydrogen storage.
Thermodynamic destabilization of MgH2 formation through interfacial interactions in free-standing Mg-AlTi multilayers of overall "bulk" (0.5 μm) dimensions with a hydrogen capacity of up to 5.5 wt% is demonstrated. The interfacial energies of Mg-AlTi and Mg-Ti (examined as a baseline) are calculated to be 0.81 and 0.44 J m(-2). The enhanced interfacial energy of AlTi opens the possibility of cr...
Ammonia borane (AB) is a promising material for hydrogen storage. However, onboard applications are subject to improvement in dehydrogenation kinetics and rehydrogenation. Recent research has shown that alkali or alkaline earth metal amidoboranes synthesized by reacting hydrides (LiH, NaH, or CaH2) with AB provide improved dehydrogenation properties compared with neat AB. LiNH2BH3 (LiAB), NaNH2...
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