Synthesis, structure, and ionic conductivity of solid solution, Li10+δM1+δP2−δS12 (M = Si, Sn)
作者： Satoshi Hori , Kota Suzuki , Masaaki Hirayama , Yuki Kato , Toshiya Saito
DOI: 10.1039/C4FD00143E
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摘要: Solid solutions of the silicon and tin analogous phases superionic conductor Li10MP2S12 (M = Si, Sn) were synthesized by a conventional solid-state reaction in an evacuated silica tube at 823 K. The ranges solid determined to be 0.20 < δ 0.43 −0.25 −0.01 Li10+δM1+δP2−δS12 (0.525 ≤ k 0.60 0.67 0.75 Li4−kM1−kPkS4) for Si Sn systems, respectively. ionic conductivity these systems varied as function changing M ions: showed lower than Ge system, Li10+δGe1+δP2−δS12. change different elements might due lattice size lithium content affecting conduction. relationship between conduction, structure, concentration is discussed based on structural electrochemical information silicon, germanium, systems.
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