用循环伏安、扫描电子显微镜和循环检测装置研究了表面状况不同的铜箔集流体对锂离子电池性能的影响.结果表明,电解液在毛面铜箔表面发生还原反应的程度比在光面铜箔表面显著,其阳极溶解电位比光面铜箔约低0.8 V,且溶解需要的能量较少,相对耐腐蚀性较差.光面铜箔集流体锂离子电池的容量循环衰减要比毛面铜箔小,且随着循环的进行,后者的容量衰减趋势明显加剧.
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