| LiODFB基电解液对锂离子电池性能的影响 |
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| 引用本文： | 周应华,胡亚冬,徐旭荣,张先林.LiODFB基电解液对锂离子电池性能的影响[J].电源技术,2019,43(1):23-25,44. |
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| 作者姓名： | 周应华 胡亚冬 徐旭荣 张先林 |
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| 作者单位： | 浙江大学化学系求是高等研究院,浙江杭州310027;浙大-华盛化学锂电池材料研究中心,浙江杭州310027;浙大-华盛化学锂电池材料研究中心,浙江杭州310027;江苏华盛精化工股份有限公司,江苏苏州215635 |
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| 摘 要： | 通过循环伏安(CV)、扫描电子显微镜(SEM)、电化学阻抗谱(EIS)和恒电流充放电测试方法研究了二氟草酸硼酸锂(LiODFB)基电解液对Li/石墨半电池和镍锰酸锂(LiNi0.5Mn1.5O_4)/石墨全电池性能的影响。结果表明,在首次循环过程中,Li ODFB约在1.5 V在石墨电极表面还原,形成初始固体电解质相界面膜(SEI),阻止电解液与石墨电极的直接接触,电解液在石墨电极表面的还原得以减少,从而在石墨电极表面形成了致密低阻抗的SEI膜,提高了Li/石墨半电池和LiNi0.5Mn1.5O_4/石墨全电池的循环性能。
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| 关 键 词： | 锂离子电池 电解液 LiODFB 石墨 SEI膜 |
Effect of LiODFB-based electrolyte on performance of lithium-ion batteries |
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| ZHOU Ying-hua,HU Ya-dong,XU Xu-rong,ZHANG Xian-lin.Effect of LiODFB-based electrolyte on performance of lithium-ion batteries[J].Chinese Journal of Power Sources,2019,43(1):23-25,44. |
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| Authors: | ZHOU Ying-hua HU Ya-dong XU Xu-rong ZHANG Xian-lin |
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| Affiliation: | (Qiushi Academy for Advanced Studies,Department of Chemistry,Zhejiang University,Hangzhou Zhejiang 310027,China;ZJU-HSC Research Center for Lithium-ion Battery,Hangzhou Zhejiang 310027,China;Jiangsu Huasheng Chemical Corporation,Suzhou Jiangsu 215635,China) |
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| Abstract: | ZHOU Ying-hua;HU Ya-dong;XU Xu-rong;ZHANG Xian-lin(Qiushi Academy for Advanced Studies,Department of Chemistry,Zhejiang University,Hangzhou Zhejiang 310027,China;ZJU-HSC Research Center for Lithium-ion Battery,Hangzhou Zhejiang 310027,China;Jiangsu Huasheng Chemical Corporation,Suzhou Jiangsu 215635,China) |
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| Keywords: | lithium-ion battery electrolyte LiODFB graphite SEI film |
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