Patent ID: 9676625
Date: 2017-06-13
CPC Classifications: C01B,H01M,Y02E

Claim:
1. A method, comprising: reacting lithium aluminum hydride and aluminum trichloride in an ether solvent to produce an alane etherate solution comprising alane etherate, lithium aluminum hydride, and lithium chloride precipitate; filtering the lithium chloride precipitate from the alane etherate solution; removing a portion of the ether solvent from the alane etherate solution to create a slurry, the slurry comprising alane etherate, lithium aluminum hydride, and ether; adding approximately 110 milliliters of aromatic solvent per 20 grams of microcrystalline alpha alane expected; and heating the slurry to convert the alane etherate to obtain microcrystalline alpha alane.