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电化学  2013 

Li2FeSiO4/C正极材料的固相合成及电化学性能

DOI: 10.13208/j.electrochem.130352, PP. 575-578

Keywords: Li2FeSiO4,正极材料,锂离子电池

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Abstract:

以偏硅酸锂、草酸亚铁为原料,通过机械球磨-固相烧结法制得了Li2FeSiO4/C正极材料.用X射线衍射(XRD)和扫描电子显微镜(SEM)表征观察材料的结构和形貌.恒流充放电测试电极电化学性能.结果表明,30oC下,1.5V~4.8V电位范围,于10mAg-1电流密度恒流充放电测试,Li2FeSiO4/C电极首次放电容量达167mAhg-1,有良好的电化学性能.

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