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Rotational motion of polyanion versus volume effect associated with ionic conductivity of several solid electrolytes 被引量:3
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作者 Qian Zhao Li Pan +2 位作者 Yuan-Ji Li Li-Quan Chen Si-Qi Shi 《Rare Metals》 SCIE EI CAS CSCD 2018年第6期497-503,共7页
Volume effect has been extensively investigated in several families of solid electrolytes, i.e., expanding the skeleton lattice by bigger-size substitution favors the ionic conduction. However, this effect is not appl... Volume effect has been extensively investigated in several families of solid electrolytes, i.e., expanding the skeleton lattice by bigger-size substitution favors the ionic conduction. However, this effect is not applicable in α-Li2SO4 and α-Na3PO4 based inorganic ionic plastic crystal electrolytes, a unique family of solid electrolytes. Here, it is proposed that the underlying rotational motion effect of polyanion, which is actually inhibited by the substitution of bigger-size polyanion in single-phase solid solution region and causes the unexpected lowering of the ionic conductivity instead, should need the more consideration. Furthermore, through utilizing the rotational motion effect of polyanion, it is given that a new explanation of the ionic conductivities of Li10MP2S12 (M = Si, Ge, Se) electrolytes deviating from the volume effect. These results inspire new vision of rationalization of the high-performance solid electrolytes by tuning the rotational motion effect of polyanion. 展开更多
关键词 Volume effect Rotational motion ofpolyanion Ionic conductivity inorganic plastic crystalelectrolyte
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