| 초록 |
Owing to its high hydrogen capacity (ca. 19.6 wt%), ammonia borane (AB) has recognized as a promising chemical hydrogen storage material for fuel cell applications. Due to the lack of an efficient large-scale preparation method, however, this material has not been widely utilized for this propose. In this context, we have been developing a safe, economical, and continuous synthetic process for AB by initially reacting BH3∙THF with NH3 under inert atmosphere. Initial rates of these reactions were analyzed to elucidate the kinetic behavior of the AB formation, and controlling factors for the desired reactions were identified. The resulting solid products were further characterized by 11B NMR spectroscopy. Potential large-scale processes for AB synthesis were proposed, based on the experimental results and simulation. |
