| 一种新型锂离子电池用聚合物电解质复合膜的制备和性能表征 |
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| 引用本文： | 冯华君,陈渊,代克化,宋兆爽,马建伟,其鲁.一种新型锂离子电池用聚合物电解质复合膜的制备和性能表征[J].物理化学学报,2007,23(12):1922-1926. |
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| 作者姓名： | 冯华君 陈渊 代克化 宋兆爽 马建伟 其鲁 |
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| 作者单位： | New Energy Materials and Technology Laboratory, Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China; CITIC Guoan Mengguli New Energy Technology Co., Ltd., Beijing 102200, P. R. China |
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| 摘 要： | 阐述了一种新型锂离子电池用PVDF-HFP(聚偏氟乙烯-六氟丙烯聚合物树脂)基聚合物电解质复合膜的制备过程. 对复合膜中使用的无机TiO2纳米颗粒进行固体超强酸化处理, 并进行颗粒表面酸强度H0测试、XRD晶体结构分析以及复合膜的电解液吸附率测试和电化学阻抗谱测试. 采用PE无纺布支撑体作为增强材料, 以浸涂方法制备复合膜,并进一步组装为锂离子电池, 性能测试表明该电池具有良好的电化学性能.
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| 关 键 词： | PVDF-HFP 聚合物电解质复合膜 固体超强酸 无纺布 锂离子电池 |
| 收稿时间： | 2007-09-17 |
| 修稿时间： | 2007-10-24 |
Preparation and Characterization of a Novel Kind of Polymer Electrolyte Composite Membrane for Lithium-Ion Battery |
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| FENG Hua-Jun,CHEN Yuan,DAI Ke-Hua,SONG Zhao-Shuang,MA Jian-Wei,QI Lu.Preparation and Characterization of a Novel Kind of Polymer Electrolyte Composite Membrane for Lithium-Ion Battery[J].Acta Physico-Chimica Sinica,2007,23(12):1922-1926. |
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| Authors: | FENG Hua-Jun CHEN Yuan DAI Ke-Hua SONG Zhao-Shuang MA Jian-Wei QI Lu |
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| Institution: | New Energy Materials and Technology Laboratory, Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China; CITIC Guoan Mengguli New Energy Technology Co., Ltd., Beijing 102200, P. R. China |
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| Abstract: | A novel kind of PVDF-HFP(polyvinylidene fluoride-hexafluoropro-pylene)-based polymer electrolyte composite membrane for lithium-ion battery was prepared.Inorganic TiO2 nanopowders in composite were dealt with solid super-acidization.Series of characterizations were carried on,such as surface acid strength H0,XRD analysis,electrolyte absorbency,and electrochemical impedance spectroscopy.PE non-woven fabrics were introduced as the reinforced materials,which were soaked to prepare the composite membranes,and then assembled to get the resulted lithium-ion battery.Performance tests indicated that the lithium-ion battery had good electrochemical performance. |
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| Keywords: | PVDF-HFP |
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