METAL ALANATES DOPED WITH OXYGEN

摘要

A metal alanate material useful for reversible hydrogen storage as in fuel cell applications includes a metal alanate material that is doped with oxygen. In discussed examples, the metal alanate material is one of an alkali metal alanate or mixed alkali metal-alkaline earth metal alanate. In some examples, the oxygen is doped into the metal alanate from an unstable solid oxide having -?G_f° <200 Kcal/mole or from a hydroxide, a carbonate, a nitrate or an oxygen gas mixture. The metal alanate in one example is doped with between 0.5mol% and 30mol% oxygen.