| Li1+xGe2-xAlxP3O12系统的相关系和电导 |
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| 引用本文： | 李世椿,蔡坚毅,林祖纕. Li1+xGe2-xAlxP3O12系统的相关系和电导[J]. 物理学报, 1987, 36(3): 332-338 |
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| 作者姓名： | 李世椿 蔡坚毅 林祖纕 |
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| 作者单位： | 中国科学院上海硅酸盐研究所 |
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| 摘 要： | 本文研究了Li1+xGe2-xAlxP3O12系统的相组成和电导的关系。发现用LiGe2P3O12作为基体化合物,通过离子置换可以得到好的锂离子导体。用Al3+置换LiGe2P3O12中的Ge4+,在0关键词：
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| 收稿时间： | 1986-05-19 |
PHASE RELATIONSHIP AND ELECTRICAL CONDUCTIVITY OF Li1+xGe2-xAlxP3O12 SYSTEM |
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| LI SHI-CHUN,CAI JIAN-YI and LIN ZU-XIANG. PHASE RELATIONSHIP AND ELECTRICAL CONDUCTIVITY OF Li1+xGe2-xAlxP3O12 SYSTEM[J]. Acta Physica Sinica, 1987, 36(3): 332-338 |
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| Authors: | LI SHI-CHUN CAI JIAN-YI LIN ZU-XIANG |
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| Abstract: | Phase relationship and electrical conductivity of the system Li1+xGe2-xAlxP3O12 were studied.A good host compound LiGe2P3O12 was found. Solid solution with R3c structure can be formed in the range 04+ with Al3+ in LiGe2P3O12, and then an unknown phase appeared at x>0.6. The conductivity increased rapidly when Ge4+ was substituted by a small amount of Al3+(x=0.1). The conductivity increased with the increase of content of A13+ and reached a maximum at x = 0.5. The conductivities of Li1.5Ge1.5Al0.5P3O12 equal to 3.5×10-5, 1×l0-2 and 3.1×10-2 S cm-1 at room temperature, 300℃ and 450℃ respectivily. Activation energy of conduction is 0.33 eV, electron transfer number is about 10-5. |
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