Regeneration of ammonia borane from spent fuel materials

Abstract

A shift to the hydrogen economy requires the development of an effective hydrogen fuel carrier with high volumetric and gravimetric storage capacity. Ammonia borane (AB) has emerged as a leading candidate due to its light weight and multiple protic (N–H) and hydridic (B–H) hydrogens. As a consequence, much work has been directed towards fine tuning the release of H₂ from AB, in addition to its regeneration from the dehydrogenated “spent fuel” materials. This review summarizes the development of these regeneration methodologies.