Iron sulfide/carbon hybrid cluster as an anode for potassium-ion storage

被引：44
|
作者：
Yu, Qiyao [1 ]
Hu, Jun [2 ]
Gao, Yunzhi [1 ]
Gao, Jinlong [1 ]
Suo, Guoquan [3 ]
Zuo, Pengjian [1 ]
Wang, Wei [4 ]
Yin, Geping [1 ]
机构：
[1] Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China
[2] Cent Iron & Steel Res Inst, Dept Funct Mat Res, Beijing 100081, Peoples R China
[3] Shanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Shanxi, Peoples R China
[4] Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 766卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Iron sulfide/carbon; Hybrid cluster; Potassium-ion batteries; Anode; ENHANCED LITHIUM STORAGE; ENERGY-STORAGE; BATTERY; ELECTRODES; MOS2;
D O I：
10.1016/j.jallcom.2018.07.065
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Due to the natural abundance and low cost of potassium resource, potassium-ion batteries (KIBs) are promising alternatives in comparison to lithium-ion batteries (LIBs). Herein, we report a three-dimensional (3D) iron sulfide/carbon hybrid cluster as a novel anode material for high-performance KIBs. The iron sulfide and amorphous carbon petals overlap as a whole, forming a stable conductive structure. A high capacity of 226 mAh g(-1) is obtained at a current density of 0.1 A g(-1) over 100 cycles. The improved electrochemical performances are mainly due to the synergistic effect of the unique structure with high capacity, high conductivity and less agglomeration. (c) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：1086 / 1091
页数：6
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