| 模板法合成介孔锂离子电池正极材料LiFePO4 |
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| 引用本文： | 梁风,戴永年,姚耀春.模板法合成介孔锂离子电池正极材料LiFePO4[J].中山大学学报(自然科学版),2009,48(Z2). |
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| 作者姓名： | 梁风 戴永年 姚耀春 |
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| 作者单位： | 昆明理工大学材料与冶金工程学院/真空冶金国家工程实验室,云南,昆明,650093 |
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| 摘 要： | 以表面活性剂为模板通过自组主装的方式合成了介孔的锂离子电池正极材料LiFePO4.采用XRD、SEM、BET和电化学测试对材料的结构、形貌、比表面积和电化学性能进行表征.介孔LiFePO4的平均粒度在200～300 nm,首次放电比容量可达133.2 mAh/g.介孔LiFePO4的电化学性能与非孔结构的LiFePO4相比有很大提高.
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| 关 键 词： | 锂离子电池 介孔磷酸铁锂 模板法 |
Template-directed Synthesis of Mesoporous LiFePO4 for Lithium-ion Batteries |
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| LIANG Feng,DAI Yongnian,YAO Yaochun.Template-directed Synthesis of Mesoporous LiFePO4 for Lithium-ion Batteries[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2009,48(Z2). |
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| Authors: | LIANG Feng DAI Yongnian YAO Yaochun |
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| Abstract: | The novel synthesis of mesoporous LiFePO4 using surfactant as template by self-assembly method is reported in this paper. The crystal structure, apparent morphology and electrochemical performance of synthesized materials were characterized with XRD, SEM, Brunauer-Emmett-Teller (BET), and charge-discharge test. Results show that average size of the primary particles of meso-porous LiFePO4 is about 200～300 nm, the initial special capacity is 133.2 mAh/g, and its electrochemical performances are better than the sample without porous structure. |
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| Keywords: | lithium-ion battery mesoporous LiFePO4 template-directed synthesis |
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