| 高安全性三甲基硅功能化碳酸丙烯酯电解液的合成及其在锂离子电池中的应用 |
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| 引用本文： | 汪靖伦,秦雪英,赵欣悦,张灵志.高安全性三甲基硅功能化碳酸丙烯酯电解液的合成及其在锂离子电池中的应用[J].化工学报,2013,64(9):3454-3459. |
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| 作者姓名： | 汪靖伦 秦雪英 赵欣悦 张灵志 |
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| 作者单位： | 1. 中国科学院可再生能源重点实验室, 中国科学院广州能源研究所, 广东 广州 510640;
2. 中国科学院大学, 北京 100039 |
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| 基金项目： | 国家自然科学基金项目，广州市科技计划项目，广东省自然科学基金项目，中国科学院广州能源研究所所长基金，中国科学院"百人计划"资助项目，supported by the National Natural Science Foundation of China，the Natural Science Foundation of Guangdong Province，the Foundation of Director of Guangzhou Institute of Energy Conversion and the Hundred Talents Program of Chinese Academy of Sciences |
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| 摘 要： | 设计合成了一种新型三甲基硅取代碳酸丙烯酯化合物(TMSPC),并对其化学结构、热性能、离子电导率、电化学窗口和燃烧性能进行了详细的表征。通过与商业电解液(1 mol·L-1 LiPF6/EC:DEC=1:1,体积比)互配组成电解液,30%(vol) TMSPC的添加能大大降低电解液的燃烧速率。同时,对LiFeO4/Li半电池进行测试,在0.2 C倍率条件下,30%(vol) TMSPC的添加也能提高电池的循环性,未添加与添加TMSPC的LiFeO4/Li 在110个循环后的容量分别为106 mA·h·g-1和109 mA·h·g-1,相应的容量保持率为81%和87%。
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| 关 键 词： | 有机硅 碳酸酯 电解液 锂离子电池 |
| 收稿时间： | 2013-01-17 |
| 修稿时间： | 2013-04-08 |
Synthesis of novel safe organosilicon functionalized carbonate as electrolyte and its application in lithium-ion batteries |
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| WANG Jinglun
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QIN Xueying
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ZHAO Xinyue
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ZHANG Lingzhi.Synthesis of novel safe organosilicon functionalized carbonate as electrolyte and its application in lithium-ion batteries[J].Journal of Chemical Industry and Engineering(China),2013,64(9):3454-3459. |
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| Authors: | WANG Jinglun QIN Xueying ZHAO Xinyue ZHANG Lingzhi |
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| Affiliation: | 1. CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, Guangdong, China;
2. University of Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | A novel high safe trimethylsilyl substituted propylene carbonate(TMSPC)was designed and synthesized as electrolyte for lithium-ion batteries.Its physicochemical properties,such as thermal property,ionic conductivity,electrochemical window,and flammability were investigated in detail.With adding 30%(vol) TMSPC into the electrolyte of 1 mol·L-1 LiPF6/EC:DEC(1:1,vol.ratio),the propagation rate could be reduced significantly.LiFeO4/Li half cell test showed that the cycling performance could be improved with 30%(vol) TMSPC additions in the electrolyte of 1 mol·L-1 LiPF6/EC:DEC(1:1,vol.ratio),exhibiting a specific capacity of 109 mA·h·g-1 and a capacity retention of 87% as compared with 106 mA·h·g-1 and 81% for the base electrolyte at 0.2 C rate after 110 cycles. |
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| Keywords: | organosilicon organocarbonate electrolyte lithium-ion batteries |
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