X-ray diffraction (XRD), scanning electron microscope (SEM) and photoluminescent (PL) analyses were used to characterize the structure, morphology and luminous performance...

The in situ synthesized Na2S is wrapped in a carbon matrix with nanoscale particle size and good electrical conductivity, which helps it to achieve a significantly enhanced electrochemical ...

Na2S is Fluorite structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Na1+ is bonded to four equivalent S2- atoms to form a mixture of edge and …

Detailed characterization of the as-prepared samples were obtained by X-ray diffractometry (XRD), field emission scanning electron microscopy (FE-SEM), transmission electronic …

1990年4月1日 · Na 2 S was synthesized by a new solid-gas reaction of Na 2 CO 3 with a sulfidizing gas mixture and a solid-solid reaction of carbon with Na 2 SO 4. The reaction …

2021年9月6日 · The X-ray diffraction (XRD) patterns were analyzed using an AXS New D8 advance diffractometer (Bruker, Billerica, MA, USA) with a Cu-Kα radiation source and a …

2017年9月1日 · The X-ray diffraction pattern (XRD) of the resulting sodium sulfide was obtained to determine phase purity. Silicon sulfide was synthesized by combining stoichiometric …

硫化钠（Na2S）作为 室温钠硫电池 的初始正极材料，有利于摆脱对钠金属负极的依赖。 然而，由于动力学差、 穿梭效应 严重，使得符合实际要求的微米级Na2S受到阻碍。 本文提出了一种 …

采用 原位XRD 揭示LHCE中硫的独特转化途径（图5a）。典型的Na-S阴极会显示结晶α-S8相到的Na2S的转变。与多 硫化锂 不同，在第一次放电时，在低于1.4 V的32.3 °处可以很容易地检测 …

2015年11月1日 · 通过X射线衍射（XRD）对纳米粒子进行表征），拉曼光谱，场发射扫描电子显微镜（FE-SEM），能量色散光谱（EDS），高分辨率透射电子显微镜（HR-TEM）和紫外可 …