| 不同平均分子量PEG组合体系对合成LiFePO_4/C复合材料结构与电化学性能的影响 |
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| 引用本文： | 黄新虎,徐永刚,徐云龙,赵崇军.不同平均分子量PEG组合体系对合成LiFePO_4/C复合材料结构与电化学性能的影响[J].华东理工大学学报(自然科学版),2011,37(4):439-443. |
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| 作者姓名： | 黄新虎 徐永刚 徐云龙 赵崇军 |
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| 作者单位： | 华东理工大学材料科学与工程学院超细材料制备与应用教育部重点实验室上海市先进聚合物材料重点实验室,上海,200237 |
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| 基金项目： | 上海市科学技术委员会“创新行动计划”(纳米专项0852nm02300) |
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| 摘 要： | 以不同平均分子量的聚乙二醇（PEG）组合体系为纳米结构控制剂和碳源,采用旋转蒸干法制备了LiFePO4/C复合材料。采用X射线衍射（XRD）、扫描电镜（SEM）、透射电镜（TEM）和恒电流充放电测试等手段对其晶体结构、形貌与电化学性能进行了表征。结果表明：不同的PEG组合体系对LiFePO4的晶体尺寸和颗粒形貌具有调控...
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| 关 键 词： | 正极材料 LiFePO4/C PEG 电化学性能 |
Structural and Electrochemical Property of LiFePO_4/C Composites Prepared by Different PEG Combination Systems |
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| HUANG Xin-hu,XU Yong-gang,XU Yun-long,ZHAO Chong-jun.Structural and Electrochemical Property of LiFePO_4/C Composites Prepared by Different PEG Combination Systems[J].Journal of East China University of Science and Technology,2011,37(4):439-443. |
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| Authors: | HUANG Xin-hu XU Yong-gang XU Yun-long ZHAO Chong-jun |
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| Institution: | HUANG Xin-hu,XU Yong-gang,XU Yun-long,ZHAO Chong-jun(Key Laboratory for Ultrafine Materials of Ministry of Education,Shanghai Key Laboratory of Advanced Polymeric Materials,School of Materials Science and Engineering,East China University of Science and Technology,Shanghai 200237,China) |
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| Abstract: | The LiFePO4/C composites were prepared by rotary evaporation method using different molecular weights polyethylene glycol(PEG) combination systems as the template and the carbon source.The crystal structure,morphology and electrochemical performance of the samples were investigated by X-ray diffraction(XRD),scanning electron microscope(SEM),transmission electron microscopy(TEM) and galvanostatic charge-discharge tests.The results show that the crystalline size and morphology of the LiFePO4/C composites can ... |
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| Keywords: | cathode material LiFePO4/C PEG electrochemical performance |
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