硼氢化铵

{{Chembox
| Name =
| NameEn = Ammonium borohydrideAmmonium tetrahydroborate
| ImageFileL1 = Ammonium-3D-balls.png
| ImageFileR1 = Borohydride-3D-balls.png
| IUPACName =
| IUPACNameZh =
| OtherNames = 四氢合硼酸铵
| Section1 =
| Section2 =
| Section3 =
| Section4 = {{Chembox Structure
| Coordination =
| CrystalStruct = 面心立方（岩盐结构）
| SpaceGroup = Fm3**'）的液氨中反应，可以得到NH4BH4和NaF。
: NH4BH4 + NH3BH3 → [(NH3)2BH2]BH4 + H2

性质及结构
硼氢化铵在−40 °C开始分解，25 °C经过6 h便只剩50%，分解反应的产物是[BNH6]x和氢气。

NH4BH4在1.5 GPa开始发生相变，由α相转变为β相，并在3.4~4.6 GPa转变为γ相。

参考文献
拓展阅读

• Tom Autrey. Chemical approaches to on-board hydrogen storage. The road to reversibility in "Inorganic hydrides". Preprints - American Chemical Society, Division of Energy & Fuels, 2014. 59 (1): 4. CODEN: PACSCT.