石墨烯/CdS量子点复合材料的电化学性能研究

被引：15

作者：

陶丽华 ^{[1
]}

蔡燕 ^{[1
]}

李在均 ^{[1
]}

任国晓 ^{[2
]}

刘俊康 ^{[1
]}

机构：

[1] 江南大学化学与材料工程学院

[2] 浙江赞宇科技股份有限公司

来源：

无机材料学报 | 2011年 / 26卷 / 09期

基金：

浙江省自然科学基金;

关键词：

石墨烯; 硫化镉; 量子点; 锂离子电池; 复合材料;

D O I：

暂无

中图分类号：

TM912 [蓄电池];

学科分类号：

摘要：

原位合成法制备石墨烯/CdS量子点复合材料,并考察其作为锂离子电池负极材料的电化学性能.交流阻抗揭示电解质在石墨烯/CdS量子点复合材料表面形成稳定的SEI膜,首次放电比容量达1264.7mAh/g,循环20次后可逆容量为888.9mAh/g.结果显示CdS量子点提高了石墨烯结构的稳定和层间传导性,从而导致复合材料的电化学性能明显优于单独的石墨烯材料.

引用

页码：912 / 916

页数：5

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