采用等离子体接枝的方法在聚丙烯(PP)隔膜表面接枝锂磺酸根(SO3Li)基团以及甲基丙烯酸甲酯(MMA)基团.将隔膜与金属锂组装成对称电池采用恒流长时间放电、恒流充放电循环以及交流阻抗方法研究接枝的表面官能团对金属锂电极上锂沉积/溶解过程的影响.实验结果证实,表面接枝MMA和SO3Li官能团可有效促进锂的沉积/溶解动力学,降低界面电阻,抑制金属锂在反复溶解/沉积循环中枝晶的形成.
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