Complex Hydrides

Part of the Fuel Cells and Hydrogen Energy book series (FCHY)

A brief description of the development of complex hydrides has been given in Sects. 1.2.8 and 1.2.9. Selected hydrides from this group have been thoroughly discussed in a number of review papers which appeared in the past few years [1, 2, 3, 4, 5, 6, 7] the most notable of them being the most recent one [7].

The term “complex” hydride is rather liberally applied to a rather large group of hydrides by various authors. In the broadest sense these are hydrides composed of an anionic metal–hydrogen complex or non metal–hydrogen complex bonded to a cationic alkali or transition metal [1]. Hence, the entire large group can be roughly subdivided into two categories: group I and II – salts of [AlH4], [NH2], [BH4], i.e., alanates, amides, and borohydrides [7], and transition metal (TM) complex hydrides that have anionic (TMHx) complexes such as [FeH6]4− attached to a cationic light metal, e.g., Mg2+, in Mg2FeH6 [1]. Their bonding is usually an ionic–covalent mix. Similar transition metal...


Ball Milling Hydrogen Storage Milled Powder Hydrogen Desorption Desorption Temperature 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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