BiSbS3@N-doped carbon core-shell nanorods as efficient anode materials for sodium-ion batteries

被引：21
作者：
Wen, Siying [1 ]
Zhao, Jiachang [1 ]
Chen, Jiajun [2 ]
Yang, Jingxia [1 ]
Xu, Jingli [1 ]
机构：
[1] Shanghai Univ Engn Sci, Coll Chem & Chem Engn, Shanghai 201620, Peoples R China
[2] Pegasus Power Energy Co Ltd, Hangzhou 310019, Zhejiang, Peoples R China
来源：
DALTON TRANSACTIONS | 2019年 / 48卷 / 28期
基金：
中国国家自然科学基金;
关键词：
GRAPHENE OXIDE NANOCOMPOSITES; METAL-ORGANIC FRAMEWORK; HIGH-PERFORMANCE ANODE; LITHIUM-ION; NANOFIBERS; NANOSHEETS; COMPOSITE; ELECTROCATALYST; CAPABILITY; INTERFACE;
D O I：
10.1039/c9dt01880h
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
BiSbS3@N-doped carbon (NC) core-shell nanorods were prepared through a simple preparation process. As anode materials for sodium-ion batteries (SIBs), BiSbS3@NC core-shell nanorods present excellent electrochemical performance with higher specific capacity and better rate capability compared with the unmodified pristine BiSbS3 nanorods. The BiSbS3@NC electrode delivers high sodium storage capacity (771.5 mA h g(-1) in the 2(nd) cycle) and excellent rate performance (capacity of 518.4 mA h g(-1) at 1000 mA g(-1)). The improvement in electrochemical performance results from the coated conductive NC layer which brings about fast ion/electron transfer and buffers volume expansion. The BiSbS3@NC core-shell nanorods are thus promising high performance anode materials for SIBs.
引用
收藏
页码：10448 / 10454
页数：7
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