钇掺杂二硫化钼/石墨烯的制备及其储锂性能
Preparation and Li-storage performance of yttrium-doped molybdenum disulfide /graphene
朱文广，辛国祥，韩沛，侯渊，张邦文
( 内蒙古科技大学 材料与冶金学院，内蒙古 包头 014010)
摘 要: 采用一步水热法制得钇掺杂二硫化钼/还原氧化石墨烯( Y-MoS2 /rGO) 锂离子电池阳极复合材料,实验结果显示，此复合材料的形貌为三维褶皱 rGO 负载 Y-MoS2 纳米微球,同未掺杂的 MoS2 /rGO电极相比，Y-MoS2 /rGO 电极的可逆容量达到878. 8( 第 2 圈)和823. 7 mAh·g － 1 ( 第 100 圈) ，容量保持率为 93. 7%,Y-MoS2 /rGO 复合材料 储锂性能的提升主要得益于 Y 掺杂 MoS2 和 rGO 的优异导电性及二者的协同作用。
关键词: 石墨烯; 二硫化钼; 掺杂; 锂离子电池
DOI: 10.16559 /j.cnki.2095 － 2295.2022.03.003
基金项目: 内蒙古自治区自然科学基金重大资助项目( 2020ZD17)；内蒙古科技大学创新基金资助项目( 0303022003)
作者：朱文广，辛国祥，韩沛，侯渊，张邦文
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