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首页> 外文会议>International Symposium on Eco-Materials Processing amp; Design; 20060108-11; Chengdu(CN) >Effects of Multiwalled Carbon Nanotubes on the Cycle Performance of Sulfur Electrode for Li/S Secondary Battery
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Effects of Multiwalled Carbon Nanotubes on the Cycle Performance of Sulfur Electrode for Li/S Secondary Battery

机译：多壁碳纳米管对锂硫二次电池硫电极循环性能的影响

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摘要

Lithium sulfur cells were prepared by composing with sulfur cathode, 0.5M LiCF_3SO_3 in tetra ethylene glycol dimethyl ether (TEGDME) solution and lithium anode. Multiwalled carbon nanotubes (MWNTs) were used to form the high electric network and prevent the dissolution of lithium polysulfides in sulfur cathode. The effects of additive contents were investigated by discharge test. The morphology of cathode with MWNTs (20wt.%) has rough and submicro porous. The initial discharge capacity of lithium sulfur cell using multiwalled carbon nanotubes (MWNTs) was 1,200mAh/g-sulfur, which was better than those of acetylene black (AB). The cycle performance of lithium sulfur cell was remarkably improved by the the addition of MWNTs.
机译：通过将硫阴极，0.5M LiCF_3SO_3在四乙二醇二甲醚（TEGDME）溶液中和锂阳极组成，制备锂硫电池。使用多壁碳纳米管（MWNT）形成高电网络，并防止多硫化锂在硫阴极中的溶解。通过放电试验研究添加剂含量的影响。 MWNTs（20wt。％）的阴极形态具有粗糙和亚微孔。使用多壁碳纳米管（MWNT）的锂硫电池的初始放电容量为1,200mAh / g-硫，优于乙炔黑（AB）。 MWNTs的加入大大改善了锂硫电池的循环性能。

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