journal article·2009-10-13

Thermodynamic and Structural Investigations of Ammonium Borohydride, a Solid with a Highest Content of Thermodynamically and Kinetically Accessible Hydrogen

Abhijeet Karkamkar, Shawn M. Kathmann, Gregory K. Schenter, David J. Heldebrant, Nancy Hess, Maciej Gutowski, Tom Autrey

Chemistry of Materials· Volume 21· Issue 19
Publisher page

Abstract

Ammonium borohydride releases >20 wt % hydrogen in three steps at temperatures <160 °C and provides evidence that [NH4]+[BH4]− crystallizes at room temperature and standard pressure in a rock salt [RS] structure and not a ZB structure that was previously proposed.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Hydrogen Storage and Materials · Boron and Carbon Nanomaterials Research · Inorganic Fluorides and Related Compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Pacific Northwest National Laboratory, Richland, Washington 99354

Chemistry, School of Engineering and Physical Sciences, Herriot Watt University, Edinburgh EH14 4AS, United Kingdom

References (23)

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23. ΔA=A(RS) −A(ZB) = ΔE−TΔS= 30.8−172.1 = −141.3 kcal for 32 pair cell.