采用溶胶-凝胶法合成Li2MnSiO4并以葡萄糖、己二酸和蔗糖为碳源合成Li2MnSiO4/C材料,对其进行XRD物相分析和SEM形貌分析.对合成出的Li2MnSiO4及Li2MnSiO4/C电极进行了充放电和电化学阻抗谱(EIS)测试.充放电结果表明碳包覆可以提高Li2MnSiO4放电容量,EIS结果说明,Li2MnSiO4/C能够减少电荷传递电阻,增加锂离子在颗粒内部的扩散速率,从而提高材料的电化学性能.
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