硅酸盐学报

溶剂热法制备镍掺杂铁基金属有机骨架化合物及其储锂特性

作者：曾群1 高国梁1 2 王德宇2 沈彩2

单位：1. 华南师范大学信息光电子科技学院广东省微纳光子功能材料与器件重点实验室广州 510006 2. 中国科学院宁波材料技术与工程研究所浙江宁波315201

关键词：溶剂热有机骨架材料锂电池负极材料

分类号：TQ174.75

出版年,卷(期):页码：2018,46(4):0-0

DOI：

摘要：

采用溶剂热合成法制备出镍掺杂的铁基金属有机骨架化合物(Fe-MOF)，通过X射线衍射，扫描电子显微镜等对材料的形貌与结构进行了测试与表征，并测试了其作为锂电池负极材料的电化学性能。结果表明：材料为块状结构，颗粒大小分布为100~200 nm。在电流密度为500 mA/g的条件下，经过400次充放电工作循环后，容量稳定在511.8 mA·h/g，相应的Coulomb效率为99.5%，显示出材料较高的比容量和优异的循环稳定性，是一种潜在的锂电池负极材料。

基金项目：

基金项目：宁波市自然科学基金(2016A610275)；2015年广州市珠江科技新星项目(201506010001)；华南师范大学研究生科研创新基金(2016lkxm63)；铁电压电材料与器件湖北省重点实验室开放科技基金(201606)资助项目。

作者简介：

第一作者：曾群(1981—)，女，副教授。

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