钠离子硫化物固态电解质研究进展

贾曼曼, 张隆

Recent development on sulfide solid electrolytes for solid-state sodium batteries

Manman JIA, Long ZHANG

图1 (a) Na3PS4经球磨、球磨后270 °C烧结、球磨后420 °C烧结的XRD图谱。图中实心圆圈与菱形分别表示立方相和四方相[34]；(b) 使用不同纯度Na2S制备的Na3PS4的XRD图谱[47]；(c) 使用不同纯度Na2S制备的Na3PS4的离子电导率随温度变化关系[47]；(d) 分子动力学模拟当存在2%钠空位时钠离子分布情况[48]

Fig.1 (a) XRD patterns of Na3PS4 powders and the powders sintered respectively at 270 °C and 420 °C. The filled circles and rhombuses represent cubic and tetragonal phases, respectively[34]; (b) XRD patterns of Na3PS4 prepared using Na2S with different purities[47]; (c) ionic conductivity of Na3PS4 prepared using Na2S with different purities[47]; (d) molecular dynamics simulation of Na-distribution for Na3PS4 with 0 and 2% Na vacancies[48]