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li2so4 ji fei jing gu ti dian jie zhi ji qi bao mo xing zhi
Author(s): 
Pages: 435-439
Year: Issue:  6
Journal: Vacuum Science and Technology

Keyword:  非晶态固体电解质薄膜复阻抗谱真空闪蒸;
Abstract: 研究了用真空闪蒸法制备的Li2SO4基非晶(1-x-y)LiCl·yLi2SO4·xP2O5体系固体电解质薄膜,对固体电解质体性质及其薄膜的结构、成分进行了研究。所得的膜是非晶的,表面成分接近体的成分,氧稍有富集,表面碳沾污较严重。当0.3≤x<1时,所得固体电解质均为非晶态。引入的Li2SO4量超过20%时,体系出现新的快离子导电相。电导率变化较复杂,出现两个谷值。P2O5引入时无新相产生。电导率随温度变化,在200℃≤T≤282℃时满足Arrhenius方程。对组分与体相相同的薄膜来说,薄膜的电导率与组分无关。此外,用复阻抗谱对系统的电化学参量进行了研究。
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