Synthesis of amorphous manganese borohydride in the (NaBH4-MnCl2) system, its hydrogen generation properties and crystalline transformation during solvent extraction

88Ball milling of the (2NaBH4 + MnCl2) mixture in a magneto mill, mechano-chemical activation synthesis (MCAS) of an amorphous hydride, filtration procedure and solvent extraction of a crystalline manganese borohydride, c-Mn(BH4)2.