Sb_(2)S_(3) nanorods/porous-carbon composite from natural stibnite ore as high-performance anode for lithium-ion batteries  

以天然辉锑矿为原料制备Sb_(2)S_(3)纳米线/多孔碳复合物作为高性能锂离子电池负极材料

作　　者：Qi WANG Yan-qing LAI Fang-yang LIU Liang-xing JIANG Ming JIA Xi-lun WANG 汪齐;赖延清;刘芳洋;蒋良兴;贾明;王熙伦(中南大学冶金与环境学院,长沙410083;湖南城市学院全固态储能材料与器件湖南省重点实验室,益阳413000;益阳市华昌锑业有限公司,益阳413000)

机构地区：[1]School of Metallurgy and Environment,Central South University,Changsha 410083,China [2]Hunan Provincial Key Laboratory of All-Solid-State Energy Storage Materials and Devices,Hunan City University,Yiyang 413000,China [3]Yiyang Huachang Antimony Industry Co.,Ltd.,Yiyang 413000,China

出　　处：《Transactions of Nonferrous Metals Society of China》2021年第7期2051-2061,共11页中国有色金属学报（英文版）

基　　金：the financial supports from the National Natural Science Foundation of China(No.51774343).

摘　　要：To avoid the high purity reagents and high energy consumption involved in the manufacturing of lithium-ion battery anode materials,Sb_(2)S_(3) nanorods/porous-carbon anode was prepared by remodeling natural stibnite ore with porous carbon matrix via a simple melting method.Due to the nanostructure of Sb_(2)S_(3) nanorods and synergistic effect of porous carbon,the Sb_(2)S_(3) nanorods/porous-carbon anode achieved high cyclic performance of 530.3 mA·h/g at a current density of 100 mA/g after 150 cycles,and exhibited a reversible capacity of 130.6 mA·h/g at a high current density of 5000 mA/g for 320 cycles.This shows a great possibility of utilizing Sb_(2)S_(3) ore as raw material to fabricate promising anodes for advanced lithium-ion batteries.为了避免目前锂离子电池负极材料制造所使用的高纯试剂和高能耗,采用简单熔融法制备以多孔碳为基体的Sb_(2)S_(3)纳米线/多孔碳复合负极材料。得益于活性材料Sb_(2)S_(3)的纳米结构和多孔碳的协同作用,复合负极材料在100 mA/g下循环150次后仍可实现530.3 mA·h/g的高可逆容量,在5000 mA/g下循环320次仍可获得130.6 mA·h/g的容量。研究结果揭示直接利用辉锑矿作为先进锂离子电池负极材料的可能性和实用性。

关 键 词：lithium-ion batteries Sb_(2)S_(3) ore economical preparation nanostructured anode material 

分 类 号：TB332[一般工业技术—材料科学与工程] TM912[电气工程—电力电子与电力传动]