Basic Research of Metal Hydrides with Light Elements
نویسندگان
چکیده
منابع مشابه
Metal Hydrides: Transition Metal Hydride Complexes
Solid-state metal hydrides provide a safe and efficient way of storing hydrogen (Schlapbach 2002). They are commercialized for use in rechargeable batteries and developed for energy conversion devices such as fuel cells (see Hydrogen Metal Systems: Electrochemical Reactions). A great majority of metal hydrides derives from intermetallic compounds and alloys (see Hydrogen Metal Systems: Hydride ...
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A priori crystal structure prediction techniques have been used to explore the phase diagrams of hydrides ofmain group elements under pressure. Anumber of novel phases with the chemical formulas MHn, n > 1 and M = Li, Na, K, Rb, Cs; MHn, n > 2 and M= Mg, Ca, Sr, Ba; HnI with n > 1 and PH, PH2, PH3 have been predicted to be stable at pressures achievable in diamond anvil cells. The hydrogenic la...
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The safe and efficient storage of hydrogen is still one of the remaining challenges towards fuel cell powered cars. Metal hydrides are a promising class of materials as they allow the storage of large amounts of hydrogen in a small volume at room temperature and low pressures. However, usually the kinetics of hydrogen release and uptake and the thermodynamic properties do not satisfy the requir...
متن کاملMetal hydrides for lithium-ion batteries.
Classical electrodes for Li-ion technology operate via an insertion/de-insertion process. Recently, conversion electrodes have shown the capability of greater capacity, but have so far suffered from a marked hysteresis in voltage between charge and discharge, leading to poor energy efficiency and voltages. Here, we present the electrochemical reactivity of MgH(2) with Li that constitutes the fi...
متن کاملThe Impact of Nanoporous Carbon on the Hydrogen Storage Properties of Light Metal Hydrides
Introduction Light metal hydrides are candidates for compact and efficient reversible on-board hydrogen storage. However, at the moment no known material fulfills all requirements regarding hydrogen content, release temperature, and reversibility simultaneously. Binary light metal hydrides generally are thermodynamically too stable, while in addition boronhydrides, alanates and other complex sy...
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ژورنال
عنوان ژورنال: Materia Japan
سال: 2013
ISSN: 1340-2625
DOI: 10.2320/materia.52.333