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http://dx.doi.org/10.7316/KHNES.2014.25.5.475

Development of Synthesis Process for Ammonia Borane using NaBH4 as the Hydrogen Storage Materials  

Choi, Ho Yun (Wonik Materials Co, Ltd.)
Park, Sung Jin (Wonik Materials Co, Ltd.)
Jung, Sung Jin (Wonik Materials Co, Ltd.)
Baek, Jong Min (Wonik Materials Co, Ltd.)
Song, Han Dock (Wonik Materials Co, Ltd.)
Kim, Jong Soo (Wonik Materials Co, Ltd.)
Lee, Kun Jong (Wonik Materials Co, Ltd.)
Kim, Young Lae (Wonik Materials Co, Ltd.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.5, 2014 , pp. 475-481 More about this Journal
Abstract
Ammonia borane ($NH_3BH_3$), as a source material for energy generation and hydrogen storage, has attracted growing interest due to its high hydrogen content. We have investigated the synthesis of ammonia borane from sodium borohydride ($NaBH_4$) and ammonium chloride ($NH_4Cl$) utilizing a low-temperature process. From our results, we obtained a maximum synthetic yield of 98.2% of ammonia borane complex. The diammoniate diborane (DADB) was detected in about 5~10mol% with in the solid ammonia borane by solid-state $^{11}B$-NMR analysis. The synthesized solid ammonia borane products were studied to characterize hydrogen release upon thermal dehydrogenation.
Keywords
Ammonia borane; Sodium borohydride($NaBH_4$); Ammonia($NH_3$); Synthesis process; Hydrogen storage;
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