锂硫电池硫膨胀石墨正极材料的电化学性能

被引:10
作者
苑克国
王维坤
余仲宝
王安邦
机构
[1] 防化研究院
关键词
锂硫电池; 正极材料; 含硫膨胀石墨; 单质硫; 电化学性能;
D O I
10.13208/j.electrochem.2009.02.018
中图分类号
TM912 [蓄电池];
学科分类号
摘要
应用高温气相扩散沉积法由单质硫制备硫膨胀石墨.该硫膨胀石墨正极可降低反应界面电荷传递阻抗,提高扩散阻抗抑制单质硫或多硫化物在充放电过程的穿梭.其首次放电容量达到972 mAh.g-1,容量保持率为78%,循环效率在80%以上.
引用
收藏
页码:202 / 205
页数:4
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