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锂硫电池正极硫炭复合材料的制备及性能研究

Chinese Journal of Power Sources(2018)

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Abstract
研究了硫炭复合材料的最佳制备工艺,通过正交实验设计,最终优化出最佳制备工艺为硫炭质量比6:4,加热温度150℃,加热时间为5h,升华温度300℃,升华温度恒温时间2h;在该条件下制备的材料首次放电比容量1205.2mAh/g,20周循环后放电比容量为1 101.9 mAh/g,容量保持率为91.4%,材料的循环性能较佳.
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