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(03): 323-326.
doi:
10.3866/PKU.WHXB20040322
Citation: 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(03): 323-326. doi: 10.3866/PKU.WHXB20040322
Citation: 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(03): 323-326. doi: 10.3866/PKU.WHXB20040322
高氯酸锂-乙酰胺/乙烯脲体系的二元熔盐电解质
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.
English
Binary Molten Salt Electrolytes Based on LiClO4 with Acetamide or Ethyleneurea
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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