Methods for synthesizing ammonia borane

Details Methods for synthesizing ammonia borane Methods for synthesizing ammonia borane

2011-07-12

2011-07-12

Shameem, Golam M (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C546S013000, C544S106000

Reexamination Certificate

active

07977508

ABSTRACT:
Methods of synthesizing ammonia borane are provided. The methods comprise reacting at least one amine borane with ammonia such that ammonia borane is produced. Ammonia borane has a chemical formula Of NH3—BH3and provides a good source of storage hydrogen making it useful in a variety of applications including a potential hydrogen source for fuel cells. The methods can further comprise separating the ammonia borane from the other products of the reaction. Exemplary methods can produce ammonia borane having purity greater than about 90 percent. In further examples, the methods can produce ammonia borane having purity greater than about 95 percent or greater than about 99 percent.

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