نتایج جستجو برای: hydrogen storage materials
تعداد نتایج: 740743 فیلتر نتایج به سال:
Theories, experimental results and applications associated with hydrogen behavior in amorphous metals and alloys are reviewed. An emphasis is made on the potential use of these advanced materials for hydrogen storage technology. Therefore, several properties that are especially relevant for such applications are assessed. These include structural models for hydrogen occupancy, sorption characte...
Due to the presence of strong static correlation effects and noncovalent interactions, accurate prediction of the electronic and hydrogen storage properties of Li-adsorbed acenes with n linearly fused benzene rings (n = 3-8) has been very challenging for conventional electronic structure methods. To meet the challenge, we study these properties using our recently developed thermally-assisted-oc...
Depletion of fossil oil deposits and the escalating threat of global warming have put clean energy research, which includes the search for clean energy carriers such as hydrogen and methane as well as the reduction of carbon dioxide emissions, on the urgent agenda. A significant technical challenge has been recognized as the development of a viable method to efficiently trap hydrogen, methane a...
Magnesium hydride is cheap and contains 7.7 wt % hydrogen, making it one of the most attractive hydrogen storage materials. However, thermodynamics dictate that hydrogen desorption from bulk magnesium hydride only takes place at or above 300 degrees C, which is a major impediment for practical application. A few results in the literature, related to disordered materials and very thin layers, in...
As the most abundant element in world, hydrogen is a promising energy carrier and has received continuously growing attention last couple of decades. At very moment, fuel imagined as part sustainable eco-friendly system, “hydrogen grand challenge”. Among large number storage solutions, solid-state considered to be safest efficient route for on-board applications via cell devices. Notwithstandin...
Compounding between NiO and La(2)O(3) protects the latter from water and molten salt attack, and ensures successful direct electrolytic conversion of the oxide precursors, in the solid state, to more affordable LaNi(5)-type hydrogen storage materials.
This review covers interface properties and adsorption behaviors of graphene underlying density functional theory (DFT) simulations and their relevance in evaluation, developing and discovering new materials for gas sensors and hydrogen storage materials. It is intended to be of interest for both experimentalists and theorists to expand application
The objective of this work was to evaluate the hydrogen storage capacities of various activated carbon materials in form of granules, powders, fibers and clothes under cryogenic and ambient temperature conditions (77K 293K), at pressures up to 30Bar. The experimental data were analyzed for carbon samples covering a wide range of BET surfaces and microporous volumes. At 293K, the storage capacit...
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