离子电导率
分析化学(期刊)
材料科学
电解质
热重分析
电导率
陶瓷
快离子导体
差示扫描量热法
煅烧
大气温度范围
电阻率和电导率
矿物学
化学
电极
物理化学
色谱法
冶金
热力学
电气工程
工程类
物理
催化作用
有机化学
生物化学
作者
Mohammed Adamu,Girish M. Kale
出处
期刊:ECS transactions
[The Electrochemical Society]
日期:2021-05-07
卷期号:102 (5): 19-27
被引量:1
标识
DOI:10.1149/10205.0019ecst
摘要
Data from electrochemical impedance measurement of MgHf 4 P 6 O 24 and MgZr 4 P 6 O 24 solid-state electrolytes show significant improvement in the ionic conductivity of the ceramic electrolytes. The electrical behaviour of MgHf 4 P 6 O 24 and MgZr 4 P 6 O 24 solid-state electrolytes were measured using two-probe analysis at a temperature range of 182-764°C, and at a frequency range within 100 mHz to 32 MHz. In this analysis, promising bulk ionic conductivity of 4.52 x 10-4 Scm-1 and 7.23 x 10-3 Scm-1 were achieved for MgHf 4 P 6 O 24 and MgZr 4 P 6 O 24 electrolytes, respectively, at impedance maximum temperatures of 747°C and 725°C, respectively. The sol-gel method was deployed in the synthesis of MgHf 4 P 6 O 24 and MgZr 4 P 6 O 24 nanoparticles. The thermogravimetric analysis-differential scanning calorimetry analysis (TGA-DSC), and X-ray diffraction (XRD) characterisation techniques were deployed in this study to determine and evaluate the phase composition structure of the nanoparticles calcined at 900°C and the sample pellets sintered at 1300°C.
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