| 高氯酸锂-乙酰胺/乙烯脲体系的二元熔盐电解质 |
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| 引用本文： | 陈人杰,吴锋,梁宏莹,毛立彩. 高氯酸锂-乙酰胺/乙烯脲体系的二元熔盐电解质[J]. 物理化学学报, 2004, 20(3): 323-326. DOI: 10.3866/PKU.WHXB20040322 |
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| 作者姓名： | 陈人杰 吴锋 梁宏莹 毛立彩 |
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| 作者单位： | School of Chemical Engineering and Environment Science, Beijing Institute of Technology, Beijing 100081;National Development Center of High Technology Green Materials, Beijing 100081 |
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| 基金项目： | 国家重点基础研究发展计划(2002CB211800)，国家基础研究重大项目前期研究专项(2001CCA05000)基金~~ |
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| 摘 要： | 制备了高氯酸锂与乙酰胺和乙烯脲形成的二元低温熔盐电解质，采用差示扫描量热法、交流阻抗法和循环伏安法分别对其热学、电化学性质进行了研究.测试结果表明,高氯酸锂-乙酰胺体系具有较好的热稳定性和高的电导性，配比n（LiClO4）:n（Acetamide）=1.0:5.5的样品室温（25 ℃）电导率为1.25×10－3 S•cm－1，80 ℃电导率为1.15×10－2 S•cm－1;其电化学稳定电位窗近3 V左右.
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| 关 键 词： | 熔盐电解质 热学性质 离子电导率 高氯酸锂 乙酰胺 乙烯脲 |
| 收稿时间： | 2003-09-05 |
| 修稿时间： | 2003-09-05 |
Binary Molten Salt Electrolytes Based on LiClO4 with Acetamide or Ethyleneurea |
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| Chen Ren-Jie, Wu Feng, Liang Hong-Ying Mao Li-Cai. Binary Molten Salt Electrolytes Based on LiClO4 with Acetamide or Ethyleneurea[J]. Acta Physico-Chimica Sinica, 2004, 20(3): 323-326. DOI: 10.3866/PKU.WHXB20040322 |
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| Authors: | Chen Ren-Jie Wu Feng Liang Hong-Ying Mao Li-Cai |
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| Affiliation: | School of Chemical Engineering and Environment Science, Beijing Institute of Technology, Beijing 100081;National Development Center of High Technology Green Materials, Beijing 100081 |
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| Abstract: | Thermal and electrochemical properties of new low-temperature molten salt electrolytes based on LiClO4 with acetamide or ethyleneurea have been studied by differential scanning calorimetry, ac impedance spectroscopy and cyclic voltammertry, respectively. These electrolytes appear as liquid at room temperature through they are composed of two solids. DSC analysis shows that the LiClO4-acetamide electrolyte has the preferable thermal stability. The conductivity of LiClO4-acetamide electrolyte with a molar ratio of 1.0:5.5 is 1.25×10－3 S•cm－1 at 25 ℃ and 1.15×10－2 S•cm－1 at 80 ℃,and the electrochemical window of it is about 3 V. |
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| Keywords: | Molten salt electrolytes Thermal properties Ionic conductivity Lithium perchlorate Acetamide Ethyleneurea |
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