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Small-angle scattering investigations of Mg-borohydride infiltrated in activated carbon

机译：活性炭中渗透的硼氢化镁的小角散射研究

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One of the main challenges for introduction of a hydrogen-based economy is storage of hydrogen. Hydrogen storage in solid materials is considered among the most attractive methods. During recent years much emphasis has been placed on the synthesis of nanosized metals and alloys. In the present study Mg(BH4)(2) and Mg((BD4)-B-11)(2) are infiltrated in pre-treated activated carbon and investigated with small-angle neutron scattering (SANS). The infiltration method is shown to be successful in modifying the size of the Mg-borohydride particles, as confirmed by scanning electron microscopy and x-ray diffraction data. The size of the particles for the infiltrated samples is estimated by SANS measurements to be mainly in the range <4 nm. The results suggest that the smallest pores of the scaffold are partially or fully filled and that this type of scaffold acts as an effective dispersing agent for Mg-borohydride.
机译：引入氢基经济的主要挑战之一是氢的存储。固态材料中的氢存储被认为是最有吸引力的方法之一。近年来，人们一直非常重视纳米金属和合金的合成。在本研究中，Mg（BH4）（2）和Mg（（BD4）-B-11）（2）渗透到经过预处理的活性炭中，并用小角中子散射（SANS）进行了研究。如通过扫描电子显微镜和X射线衍射数据所证实的，渗透方法被证明是成功地改变了硼氢化镁颗粒的尺寸的。通过SANS测量估计用于渗透样品的颗粒的尺寸主要在<4nm的范围内。结果表明，支架的最小孔被部分或完全填充，并且这种类型的支架充当了硼氢化镁的有效分散剂。

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