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| Effect of Cooling Methods on Conductivity of Novel Garnet Structure Solid Electrolyte Li6BaLa2Ta2O12 |
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Received:December 10, 2022
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.08.012 |
| KeyWord:Garnet-like structure; Inorganic solid electrolyte; Ionic conductivity; 6Li-MAS-NMR |
| Author | Institution |
| ZHOU Quan |
中国矿业大学材料科学与工程学院 |
| ZHONG Yao-dong |
中国矿业大学材料科学与工程学院 |
| QIANG Ying-huai |
中国矿业大学材料科学与工程学院 |
| ZHOU Feng-rui |
中国矿业大学材料科学与工程学院 |
| LI Zhi-tong |
中国矿业大学材料科学与工程学院 |
| WU Qian |
中国矿业大学材料科学与工程学院 |
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| Abstract: |
| Effect of the cooling methods on conductivity of Li6BaLa2Ta2O12 prepared by conventional solid state reaction procedure was studied. Samples were characterized by XRD, SEM, 6Li-MAS-NMR and ionic conductivity measurement. The results showed that there was a single phase oxides with garnet-like structure. There was a non-uniform microstructure in the sample prepared by slower cooling due to agglomeration. The ionic conductivity increased with increasing speed of cooling, while activation energy decreased with increasing cooling speed. There were two kinds of lithium ion in samples, octahedral sites and tetrahedral sites respectively. There was more mobile lithium ion in the sample cooled under a faster speed, with better conductivity performance than in the sample cooled in oven. |
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