The present disclosure provides an alane preparation method, a preparation system and an application thereof that includes: preparing triethylaluminum: taking triethylaluminum as seeds and aluminum and hydrogen as raw materials, synthesizing triethylaluminum via a direct synthesis method; the triethylaluminum that is newly synthesized contains triethylaluminum of an equal amount as the seeds and triethylaluminum configured to perform alane synthesis; preparing alane: performing thermal decomposition on triethylaluminum that is configured to perform alane synthesis, to obtain alane, wherein the newly synthesized triethylaluminum with an amount equivalent to that of the seeds are used as new seeds for the preparation of new triethylaluminum. The present disclosure only consumes aluminum and hydrogen that are necessary for preparing alane during the preparation process, other raw materials can achieve a balance between consumption and production during the production process.

The present disclosure provides an alane preparation method, a preparation system and an application thereof that includes: preparing triethylaluminum: taking triethylaluminum as seeds and aluminum and hydrogen as raw materials, synthesizing triethylaluminum via a direct synthesis method; the triethylaluminum that is newly synthesized contains triethylaluminum of an equal amount as the seeds and triethylaluminum configured to perform alane synthesis; preparing alane: performing thermal decomposition on triethylaluminum that is configured to perform alane synthesis, to obtain alane, wherein the newly synthesized triethylaluminum with an amount equivalent to that of the seeds are used as new seeds for the preparation of new triethylaluminum. The present disclosure only consumes aluminum and hydrogen that are necessary for preparing alane during the preparation process, other raw materials can achieve a balance between consumption and production during the production process.