Spectroscopic studies on the mechanism of liquid formation and ionic conductivity in the LiCF3SO3/acetamide complex system
文献类型：期刊论文
| 作者 | Hu, YS ; Wang, ZX ; Li, H ; Huang, XJ ; Chen, LQ |
| 刊名 | VIBRATIONAL SPECTROSCOPY
 |
| 出版日期 | 2005 |
| 卷号 | 37期号:1页码:1 |
| 关键词 | PLASTICIZED POLYMER ELECTROLYTES POLY(PROPYLENE GLYCOL)(4000) VIBRATIONAL FREQUENCIES LITHIUM TRIFLATE MOLTEN-SALTS ASSOCIATION ACETAMIDE LICF3SO3 DEPENDENCE TRANSPORT |
| ISSN号 | 0924-2031 |
| 通讯作者 | Chen, LQ (reprint author), Chinese Acad Sci, Lab Solid State Ion, Inst Phys, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | A molten salt electrolyte composed of lithium triflate (LiCF3SO3) and acetamide (CH3CONH2) has been prepared and characterized by IR, Raman spectroscopy and ac impedance. It is interesting that although both lithium triflate and acetamide are solid, their mixture is a liquid in an appropriate molar ratio range at room temperature. The IR and Raman spectroscopic studies show that the Li+ ions coordinate with the C=O group of acetamide while the SO3 group of CF3SO3- anions interacts with the NH2 group of acetamide via hydrogen bonding. Such interactions lead to the breakage of the hydrogen bonds between acetamide molecules and the weakening the Coulombic interaction between the anions and cations of lithium triflate, resulting in the formation of the molten salt. The behavior of ionic transport obeys well the empirical Vogel-Tammann-Fulcher (VTF) type relationship for the molten salt electrolyte. The ionic conductivities of the LiCF3SO3/acetamide complex with different molar ratios depend strongly on the ionic species in the complex system. Among them, the complex at a molar ratio of 1:5 shows the highest ionic conductivity due to the relatively high amount of "free" ions at room temperature. (C) 2004 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/52856]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Hu, YS,Wang, ZX,Li, H,et al. Spectroscopic studies on the mechanism of liquid formation and ionic conductivity in the LiCF3SO3/acetamide complex system[J]. VIBRATIONAL SPECTROSCOPY,2005,37(1):1. |
| APA | Hu, YS,Wang, ZX,Li, H,Huang, XJ,&Chen, LQ.(2005).Spectroscopic studies on the mechanism of liquid formation and ionic conductivity in the LiCF3SO3/acetamide complex system.VIBRATIONAL SPECTROSCOPY,37(1),1. |
| MLA | Hu, YS,et al."Spectroscopic studies on the mechanism of liquid formation and ionic conductivity in the LiCF3SO3/acetamide complex system".VIBRATIONAL SPECTROSCOPY 37.1(2005):1. |
入库方式： OAI收割
来源：物理研究所
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